Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

26 files changed, 9072 insertions, 0 deletions

diff --git a/libgimpconfig/Makefile.am b/libgimpconfig/Makefile.am
new file mode 100644
index 0000000..40d30ca
--- /dev/null
+++ b/libgimpconfig/Makefile.am
@@ -0,0 +1,163 @@
+## Process this file with automake to produce Makefile.in
+
+libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la
+libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la
+libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la
+
+if PLATFORM_WIN32
+no_undefined = -no-undefined
+endif
+
+if OS_WIN32
+gimpconfig_def = gimpconfig.def
+libgimpconfig_export_symbols = -export-symbols $(srcdir)/gimpconfig.def
+
+install-libtool-import-lib:
+	$(INSTALL) .libs/libgimpconfig-$(GIMP_API_VERSION).dll.a $(DESTDIR)$(libdir)
+	$(INSTALL) $(srcdir)/gimpconfig.def $(DESTDIR)$(libdir)
+
+uninstall-libtool-import-lib:
+	-rm $(DESTDIR)$(libdir)/libgimpconfig-$(GIMP_API_VERSION).dll.a
+	-rm $(DESTDIR)$(libdir)/gimpconfig.def
+else
+install-libtool-import-lib:
+uninstall-libtool-import-lib:
+endif
+
+if MS_LIB_AVAILABLE
+noinst_DATA = gimpconfig-$(GIMP_API_VERSION).lib
+
+install-ms-lib:
+	$(INSTALL) gimpconfig-$(GIMP_API_VERSION).lib $(DESTDIR)$(libdir)
+
+uninstall-ms-lib:
+	-rm $(DESTDIR)$(libdir)/gimpconfig-$(GIMP_API_VERSION).lib
+
+gimpconfig-@GIMP_API_VERSION@.lib: gimpconfig.def
+	lib -name:libgimpconfig-$(GIMP_API_VERSION)-@LT_CURRENT_MINUS_AGE@.dll -def:gimpconfig.def -out:$@
+
+else
+install-ms-lib:
+uninstall-ms-lib:
+endif
+
+libgimpconfigincludedir = $(includedir)/gimp-$(GIMP_API_VERSION)/libgimpconfig
+
+AM_CPPFLAGS = \
+	-DG_LOG_DOMAIN=\"LibGimpConfig\"	\
+	-DGIMP_CONFIG_COMPILATION		\
+	-I$(top_srcdir)				\
+	$(GIO_UNIX_CFLAGS)			\
+	$(GIO_WINDOWS_CFLAGS)			\
+	$(GEGL_CFLAGS)				\
+	$(CAIRO_CFLAGS)				\
+	$(GDK_PIXBUF_CFLAGS)			\
+	-I$(includedir)
+
+EXTRA_DIST = \
+	gimpconfig.def
+
+lib_LTLIBRARIES = libgimpconfig-@GIMP_API_VERSION@.la
+
+libgimpconfig_sources = 		\
+	gimpconfig.h			\
+	gimpconfigenums.h		\
+	gimpconfigtypes.h		\
+	\
+	gimpconfig-iface.c		\
+	gimpconfig-iface.h		\
+	gimpconfig-deserialize.c	\
+	gimpconfig-deserialize.h	\
+	gimpconfig-error.c		\
+	gimpconfig-error.h		\
+	gimpconfig-params.h		\
+	gimpconfig-path.c		\
+	gimpconfig-path.h		\
+	gimpconfig-serialize.c		\
+	gimpconfig-serialize.h		\
+	gimpconfig-utils.c		\
+	gimpconfig-utils.h		\
+	gimpconfigwriter.c		\
+	gimpconfigwriter.h		\
+	gimpscanner.c			\
+	gimpscanner.h			\
+	gimpcolorconfig.c		\
+	gimpcolorconfig.h
+
+libgimpconfig_built_sources = \
+	gimpconfigenums.c
+
+libgimpconfig_@GIMP_API_VERSION@_la_SOURCES = \
+	$(libgimpconfig_sources)	\
+	$(libgimpconfig_built_sources)
+
+
+libgimpconfiginclude_HEADERS = \
+	gimpconfig.h			\
+	gimpconfigenums.h		\
+	gimpconfigtypes.h		\
+	gimpconfig-iface.h		\
+	gimpconfig-deserialize.h	\
+	gimpconfig-error.h		\
+	gimpconfig-params.h		\
+	gimpconfig-path.h		\
+	gimpconfig-serialize.h		\
+	gimpconfig-utils.h		\
+	gimpconfigwriter.h		\
+	gimpscanner.h			\
+	gimpcolorconfig.h
+
+
+libgimpconfig_@GIMP_API_VERSION@_la_LDFLAGS = \
+	-version-info $(LT_VERSION_INFO)	\
+	$(no_undefined) 			\
+	$(libgimpconfig_export_symbols)
+
+EXTRA_libgimpconfig_@GIMP_API_VERSION@_la_DEPENDENCIES = $(gimpconfig_def)
+
+libgimpconfig_@GIMP_API_VERSION@_la_LIBADD = \
+	$(libgimpbase)		\
+	$(libgimpcolor)		\
+	$(libgimpmath)		\
+	$(GIO_UNIX_LIBS)	\
+	$(GIO_WINDOWS_LIBS)	\
+	$(GEGL_LIBS)		\
+	$(CAIRO_LIBS)		\
+	$(GDK_PIXBUF_LIBS)
+
+
+install-data-local: install-ms-lib install-libtool-import-lib
+
+uninstall-local: uninstall-ms-lib uninstall-libtool-import-lib
+
+
+#
+# rules to generate built sources
+#
+
+gen_sources = xgen-cec
+CLEANFILES = $(gen_sources)
+
+xgen-cec: $(srcdir)/gimpconfigenums.h $(GIMP_MKENUMS) Makefile.am
+	$(AM_V_GEN) $(GIMP_MKENUMS) \
+		--fhead "#include \"config.h\"\n#include <gio/gio.h>\n#include \"libgimpbase/gimpbase.h\"\n#include \"gimpconfigenums.h\"\n#include \"libgimp/libgimp-intl.h\"" \
+		--fprod "\n/* enumerations from \"@basename@\" */" \
+		--vhead "GType\n@enum_name@_get_type (void)\n{\n  static const G@Type@Value values[] =\n  {" \
+		--vprod "    { @VALUENAME@, \"@VALUENAME@\", \"@valuenick@\" }," \
+		--vtail "    { 0, NULL, NULL }\n  };\n" \
+		--dhead "  static const Gimp@Type@Desc descs[] =\n  {" \
+		--dprod "    { @VALUENAME@, @valuedesc@, @valuehelp@ },@if ('@valueabbrev@' ne 'NULL')@\n    /* Translators: this is an abbreviated version of @valueudesc@.\n       Keep it short. */\n    { @VALUENAME@, @valueabbrev@, NULL },@endif@" \
+		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE \"-libgimp\");\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
+		$< > $@
+
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
+$(srcdir)/gimpconfigenums.c: xgen-cec
+	$(AM_V_GEN) if ! cmp -s $< $@; then \
+		cp $< $@; \
+	else \
+		touch $@ 2> /dev/null \
+		|| true; \
+	fi
diff --git a/libgimpconfig/Makefile.in b/libgimpconfig/Makefile.in
new file mode 100644
index 0000000..4afaa42
--- /dev/null
+++ b/libgimpconfig/Makefile.in
@@ -0,0 +1,1179 @@
+# Makefile.in generated by automake 1.16.3 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994-2020 Free Software Foundation, Inc.
+
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+
+
+VPATH = @srcdir@
+am__is_gnu_make = { \
+  if test -z '$(MAKELEVEL)'; then \
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+  elif test -n '$(MAKE_HOST)'; then \
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+GDBUS_CODEGEN = @GDBUS_CODEGEN@
+GDK_PIXBUF_CFLAGS = @GDK_PIXBUF_CFLAGS@
+GDK_PIXBUF_CSOURCE = @GDK_PIXBUF_CSOURCE@
+GDK_PIXBUF_LIBS = @GDK_PIXBUF_LIBS@
+GDK_PIXBUF_REQUIRED_VERSION = @GDK_PIXBUF_REQUIRED_VERSION@
+GEGL = @GEGL@
+GEGL_CFLAGS = @GEGL_CFLAGS@
+GEGL_LIBS = @GEGL_LIBS@
+GEGL_MAJOR_MINOR_VERSION = @GEGL_MAJOR_MINOR_VERSION@
+GEGL_REQUIRED_VERSION = @GEGL_REQUIRED_VERSION@
+GETTEXT_PACKAGE = @GETTEXT_PACKAGE@
+GEXIV2_CFLAGS = @GEXIV2_CFLAGS@
+GEXIV2_LIBS = @GEXIV2_LIBS@
+GEXIV2_REQUIRED_VERSION = @GEXIV2_REQUIRED_VERSION@
+GIMP_API_VERSION = @GIMP_API_VERSION@
+GIMP_APP_VERSION = @GIMP_APP_VERSION@
+GIMP_BINARY_AGE = @GIMP_BINARY_AGE@
+GIMP_COMMAND = @GIMP_COMMAND@
+GIMP_DATA_VERSION = @GIMP_DATA_VERSION@
+GIMP_FULL_NAME = @GIMP_FULL_NAME@
+GIMP_INTERFACE_AGE = @GIMP_INTERFACE_AGE@
+GIMP_MAJOR_VERSION = @GIMP_MAJOR_VERSION@
+GIMP_MICRO_VERSION = @GIMP_MICRO_VERSION@
+GIMP_MINOR_VERSION = @GIMP_MINOR_VERSION@
+GIMP_MKENUMS = @GIMP_MKENUMS@
+GIMP_MODULES = @GIMP_MODULES@
+GIMP_PACKAGE_REVISION = @GIMP_PACKAGE_REVISION@
+GIMP_PKGCONFIG_VERSION = @GIMP_PKGCONFIG_VERSION@
+GIMP_PLUGINS = @GIMP_PLUGINS@
+GIMP_PLUGIN_VERSION = @GIMP_PLUGIN_VERSION@
+GIMP_REAL_VERSION = @GIMP_REAL_VERSION@
+GIMP_RELEASE = @GIMP_RELEASE@
+GIMP_SYSCONF_VERSION = @GIMP_SYSCONF_VERSION@
+GIMP_TOOL_VERSION = @GIMP_TOOL_VERSION@
+GIMP_UNSTABLE = @GIMP_UNSTABLE@
+GIMP_USER_VERSION = @GIMP_USER_VERSION@
+GIMP_VERSION = @GIMP_VERSION@
+GIO_CFLAGS = @GIO_CFLAGS@
+GIO_LIBS = @GIO_LIBS@
+GIO_UNIX_CFLAGS = @GIO_UNIX_CFLAGS@
+GIO_UNIX_LIBS = @GIO_UNIX_LIBS@
+GIO_WINDOWS_CFLAGS = @GIO_WINDOWS_CFLAGS@
+GIO_WINDOWS_LIBS = @GIO_WINDOWS_LIBS@
+GLIB_CFLAGS = @GLIB_CFLAGS@
+GLIB_COMPILE_RESOURCES = @GLIB_COMPILE_RESOURCES@
+GLIB_GENMARSHAL = @GLIB_GENMARSHAL@
+GLIB_LIBS = @GLIB_LIBS@
+GLIB_MKENUMS = @GLIB_MKENUMS@
+GLIB_REQUIRED_VERSION = @GLIB_REQUIRED_VERSION@
+GMODULE_NO_EXPORT_CFLAGS = @GMODULE_NO_EXPORT_CFLAGS@
+GMODULE_NO_EXPORT_LIBS = @GMODULE_NO_EXPORT_LIBS@
+GMOFILES = @GMOFILES@
+GMSGFMT = @GMSGFMT@
+GOBJECT_QUERY = @GOBJECT_QUERY@
+GREP = @GREP@
+GS_LIBS = @GS_LIBS@
+GTKDOC_CHECK = @GTKDOC_CHECK@
+GTKDOC_CHECK_PATH = @GTKDOC_CHECK_PATH@
+GTKDOC_DEPS_CFLAGS = @GTKDOC_DEPS_CFLAGS@
+GTKDOC_DEPS_LIBS = @GTKDOC_DEPS_LIBS@
+GTKDOC_MKPDF = @GTKDOC_MKPDF@
+GTKDOC_REBASE = @GTKDOC_REBASE@
+GTK_CFLAGS = @GTK_CFLAGS@
+GTK_LIBS = @GTK_LIBS@
+GTK_MAC_INTEGRATION_CFLAGS = @GTK_MAC_INTEGRATION_CFLAGS@
+GTK_MAC_INTEGRATION_LIBS = @GTK_MAC_INTEGRATION_LIBS@
+GTK_REQUIRED_VERSION = @GTK_REQUIRED_VERSION@
+GTK_UPDATE_ICON_CACHE = @GTK_UPDATE_ICON_CACHE@
+GUDEV_CFLAGS = @GUDEV_CFLAGS@
+GUDEV_LIBS = @GUDEV_LIBS@
+HARFBUZZ_CFLAGS = @HARFBUZZ_CFLAGS@
+HARFBUZZ_LIBS = @HARFBUZZ_LIBS@
+HARFBUZZ_REQUIRED_VERSION = @HARFBUZZ_REQUIRED_VERSION@
+HAVE_CXX14 = @HAVE_CXX14@
+HAVE_FINITE = @HAVE_FINITE@
+HAVE_ISFINITE = @HAVE_ISFINITE@
+HAVE_VFORK = @HAVE_VFORK@
+HOST_GLIB_COMPILE_RESOURCES = @HOST_GLIB_COMPILE_RESOURCES@
+HTML_DIR = @HTML_DIR@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+INSTOBJEXT = @INSTOBJEXT@
+INTLLIBS = @INTLLIBS@
+INTLTOOL_EXTRACT = @INTLTOOL_EXTRACT@
+INTLTOOL_MERGE = @INTLTOOL_MERGE@
+INTLTOOL_PERL = @INTLTOOL_PERL@
+INTLTOOL_REQUIRED_VERSION = @INTLTOOL_REQUIRED_VERSION@
+INTLTOOL_UPDATE = @INTLTOOL_UPDATE@
+INTLTOOL_V_MERGE = @INTLTOOL_V_MERGE@
+INTLTOOL_V_MERGE_OPTIONS = @INTLTOOL_V_MERGE_OPTIONS@
+INTLTOOL__v_MERGE_ = @INTLTOOL__v_MERGE_@
+INTLTOOL__v_MERGE_0 = @INTLTOOL__v_MERGE_0@
+INTL_MACOSX_LIBS = @INTL_MACOSX_LIBS@
+ISO_CODES_LOCALEDIR = @ISO_CODES_LOCALEDIR@
+ISO_CODES_LOCATION = @ISO_CODES_LOCATION@
+JPEG_LIBS = @JPEG_LIBS@
+JSON_GLIB_CFLAGS = @JSON_GLIB_CFLAGS@
+JSON_GLIB_LIBS = @JSON_GLIB_LIBS@
+JXL_CFLAGS = @JXL_CFLAGS@
+JXL_LIBS = @JXL_LIBS@
+JXL_THREADS_CFLAGS = @JXL_THREADS_CFLAGS@
+JXL_THREADS_LIBS = @JXL_THREADS_LIBS@
+LCMS_CFLAGS = @LCMS_CFLAGS@
+LCMS_LIBS = @LCMS_LIBS@
+LCMS_REQUIRED_VERSION = @LCMS_REQUIRED_VERSION@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LDFLAGS_FOR_BUILD = @LDFLAGS_FOR_BUILD@
+LIBBACKTRACE_LIBS = @LIBBACKTRACE_LIBS@
+LIBHEIF_CFLAGS = @LIBHEIF_CFLAGS@
+LIBHEIF_LIBS = @LIBHEIF_LIBS@
+LIBHEIF_REQUIRED_VERSION = @LIBHEIF_REQUIRED_VERSION@
+LIBJXL_REQUIRED_VERSION = @LIBJXL_REQUIRED_VERSION@
+LIBLZMA_REQUIRED_VERSION = @LIBLZMA_REQUIRED_VERSION@
+LIBMYPAINT_CFLAGS = @LIBMYPAINT_CFLAGS@
+LIBMYPAINT_LIBS = @LIBMYPAINT_LIBS@
+LIBMYPAINT_REQUIRED_VERSION = @LIBMYPAINT_REQUIRED_VERSION@
+LIBOBJS = @LIBOBJS@
+LIBPNG_REQUIRED_VERSION = @LIBPNG_REQUIRED_VERSION@
+LIBS = @LIBS@
+LIBTOOL = @LIBTOOL@
+LIBUNWIND_CFLAGS = @LIBUNWIND_CFLAGS@
+LIBUNWIND_LIBS = @LIBUNWIND_LIBS@
+LIBUNWIND_REQUIRED_VERSION = @LIBUNWIND_REQUIRED_VERSION@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+LT_CURRENT_MINUS_AGE = @LT_CURRENT_MINUS_AGE@
+LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@
+LT_VERSION_INFO = @LT_VERSION_INFO@
+LZMA_CFLAGS = @LZMA_CFLAGS@
+LZMA_LIBS = @LZMA_LIBS@
+MAIL = @MAIL@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MANIFEST_TOOL = @MANIFEST_TOOL@
+MIME_INFO_CFLAGS = @MIME_INFO_CFLAGS@
+MIME_INFO_LIBS = @MIME_INFO_LIBS@
+MIME_TYPES = @MIME_TYPES@
+MKDIR_P = @MKDIR_P@
+MKINSTALLDIRS = @MKINSTALLDIRS@
+MMX_EXTRA_CFLAGS = @MMX_EXTRA_CFLAGS@
+MNG_CFLAGS = @MNG_CFLAGS@
+MNG_LIBS = @MNG_LIBS@
+MSGFMT = @MSGFMT@
+MSGFMT_OPTS = @MSGFMT_OPTS@
+MSGMERGE = @MSGMERGE@
+MYPAINT_BRUSHES_CFLAGS = @MYPAINT_BRUSHES_CFLAGS@
+MYPAINT_BRUSHES_LIBS = @MYPAINT_BRUSHES_LIBS@
+NATIVE_GLIB_CFLAGS = @NATIVE_GLIB_CFLAGS@
+NATIVE_GLIB_LIBS = @NATIVE_GLIB_LIBS@
+NM = @NM@
+NMEDIT = @NMEDIT@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OPENEXR_CFLAGS = @OPENEXR_CFLAGS@
+OPENEXR_LIBS = @OPENEXR_LIBS@
+OPENEXR_REQUIRED_VERSION = @OPENEXR_REQUIRED_VERSION@
+OPENJPEG_CFLAGS = @OPENJPEG_CFLAGS@
+OPENJPEG_LIBS = @OPENJPEG_LIBS@
+OPENJPEG_REQUIRED_VERSION = @OPENJPEG_REQUIRED_VERSION@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_URL = @PACKAGE_URL@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PANGOCAIRO_CFLAGS = @PANGOCAIRO_CFLAGS@
+PANGOCAIRO_LIBS = @PANGOCAIRO_LIBS@
+PANGOCAIRO_REQUIRED_VERSION = @PANGOCAIRO_REQUIRED_VERSION@
+PATHSEP = @PATHSEP@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+PERL = @PERL@
+PERL_REQUIRED_VERSION = @PERL_REQUIRED_VERSION@
+PERL_VERSION = @PERL_VERSION@
+PKG_CONFIG = @PKG_CONFIG@
+PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@
+PKG_CONFIG_PATH = @PKG_CONFIG_PATH@
+PNG_CFLAGS = @PNG_CFLAGS@
+PNG_LIBS = @PNG_LIBS@
+POFILES = @POFILES@
+POPPLER_CFLAGS = @POPPLER_CFLAGS@
+POPPLER_DATA_CFLAGS = @POPPLER_DATA_CFLAGS@
+POPPLER_DATA_LIBS = @POPPLER_DATA_LIBS@
+POPPLER_DATA_REQUIRED_VERSION = @POPPLER_DATA_REQUIRED_VERSION@
+POPPLER_LIBS = @POPPLER_LIBS@
+POPPLER_REQUIRED_VERSION = @POPPLER_REQUIRED_VERSION@
+POSUB = @POSUB@
+PO_IN_DATADIR_FALSE = @PO_IN_DATADIR_FALSE@
+PO_IN_DATADIR_TRUE = @PO_IN_DATADIR_TRUE@
+PYBIN_PATH = @PYBIN_PATH@
+PYCAIRO_CFLAGS = @PYCAIRO_CFLAGS@
+PYCAIRO_LIBS = @PYCAIRO_LIBS@
+PYGIMP_EXTRA_CFLAGS = @PYGIMP_EXTRA_CFLAGS@
+PYGTK_CFLAGS = @PYGTK_CFLAGS@
+PYGTK_CODEGEN = @PYGTK_CODEGEN@
+PYGTK_DEFSDIR = @PYGTK_DEFSDIR@
+PYGTK_LIBS = @PYGTK_LIBS@
+PYLINK_LIBS = @PYLINK_LIBS@
+PYTHON = @PYTHON@
+PYTHON2_REQUIRED_VERSION = @PYTHON2_REQUIRED_VERSION@
+PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@
+PYTHON_INCLUDES = @PYTHON_INCLUDES@
+PYTHON_PLATFORM = @PYTHON_PLATFORM@
+PYTHON_PREFIX = @PYTHON_PREFIX@
+PYTHON_VERSION = @PYTHON_VERSION@
+RANLIB = @RANLIB@
+RSVG_REQUIRED_VERSION = @RSVG_REQUIRED_VERSION@
+RT_LIBS = @RT_LIBS@
+SCREENSHOT_LIBS = @SCREENSHOT_LIBS@
+SED = @SED@
+SENDMAIL = @SENDMAIL@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SOCKET_LIBS = @SOCKET_LIBS@
+SSE2_EXTRA_CFLAGS = @SSE2_EXTRA_CFLAGS@
+SSE4_1_EXTRA_CFLAGS = @SSE4_1_EXTRA_CFLAGS@
+SSE_EXTRA_CFLAGS = @SSE_EXTRA_CFLAGS@
+STRIP = @STRIP@
+SVG_CFLAGS = @SVG_CFLAGS@
+SVG_LIBS = @SVG_LIBS@
+SYMPREFIX = @SYMPREFIX@
+TIFF_LIBS = @TIFF_LIBS@
+USE_NLS = @USE_NLS@
+VERSION = @VERSION@
+WEBKIT_CFLAGS = @WEBKIT_CFLAGS@
+WEBKIT_LIBS = @WEBKIT_LIBS@
+WEBKIT_REQUIRED_VERSION = @WEBKIT_REQUIRED_VERSION@
+WEBPDEMUX_CFLAGS = @WEBPDEMUX_CFLAGS@
+WEBPDEMUX_LIBS = @WEBPDEMUX_LIBS@
+WEBPMUX_CFLAGS = @WEBPMUX_CFLAGS@
+WEBPMUX_LIBS = @WEBPMUX_LIBS@
+WEBP_CFLAGS = @WEBP_CFLAGS@
+WEBP_LIBS = @WEBP_LIBS@
+WEBP_REQUIRED_VERSION = @WEBP_REQUIRED_VERSION@
+WEB_PAGE = @WEB_PAGE@
+WIN32_LARGE_ADDRESS_AWARE = @WIN32_LARGE_ADDRESS_AWARE@
+WINDRES = @WINDRES@
+WMF_CFLAGS = @WMF_CFLAGS@
+WMF_CONFIG = @WMF_CONFIG@
+WMF_LIBS = @WMF_LIBS@
+WMF_REQUIRED_VERSION = @WMF_REQUIRED_VERSION@
+XDG_EMAIL = @XDG_EMAIL@
+XFIXES_CFLAGS = @XFIXES_CFLAGS@
+XFIXES_LIBS = @XFIXES_LIBS@
+XGETTEXT = @XGETTEXT@
+XGETTEXT_REQUIRED_VERSION = @XGETTEXT_REQUIRED_VERSION@
+XMC_CFLAGS = @XMC_CFLAGS@
+XMC_LIBS = @XMC_LIBS@
+XMKMF = @XMKMF@
+XMLLINT = @XMLLINT@
+XMU_LIBS = @XMU_LIBS@
+XPM_LIBS = @XPM_LIBS@
+XSLTPROC = @XSLTPROC@
+XVFB_RUN = @XVFB_RUN@
+X_CFLAGS = @X_CFLAGS@
+X_EXTRA_LIBS = @X_EXTRA_LIBS@
+X_LIBS = @X_LIBS@
+X_PRE_LIBS = @X_PRE_LIBS@
+Z_LIBS = @Z_LIBS@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_AR = @ac_ct_AR@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_CC_FOR_BUILD = @ac_ct_CC_FOR_BUILD@
+ac_ct_CXX = @ac_ct_CXX@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
+bindir = @bindir@
+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+gimpdatadir = @gimpdatadir@
+gimpdir = @gimpdir@
+gimplocaledir = @gimplocaledir@
+gimpplugindir = @gimpplugindir@
+gimpsysconfdir = @gimpsysconfdir@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+intltool__v_merge_options_ = @intltool__v_merge_options_@
+intltool__v_merge_options_0 = @intltool__v_merge_options_0@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+mandir = @mandir@
+manpage_gimpdir = @manpage_gimpdir@
+mkdir_p = @mkdir_p@
+ms_librarian = @ms_librarian@
+mypaint_brushes_dir = @mypaint_brushes_dir@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+pkgpyexecdir = @pkgpyexecdir@
+pkgpythondir = @pkgpythondir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+pyexecdir = @pyexecdir@
+pythondir = @pythondir@
+runstatedir = @runstatedir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target_alias = @target_alias@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la
+libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la
+libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la
+@PLATFORM_WIN32_TRUE@no_undefined = -no-undefined
+@OS_WIN32_TRUE@gimpconfig_def = gimpconfig.def
+@OS_WIN32_TRUE@libgimpconfig_export_symbols = -export-symbols $(srcdir)/gimpconfig.def
+@MS_LIB_AVAILABLE_TRUE@noinst_DATA = gimpconfig-$(GIMP_API_VERSION).lib
+libgimpconfigincludedir = $(includedir)/gimp-$(GIMP_API_VERSION)/libgimpconfig
+AM_CPPFLAGS = \
+	-DG_LOG_DOMAIN=\"LibGimpConfig\"	\
+	-DGIMP_CONFIG_COMPILATION		\
+	-I$(top_srcdir)				\
+	$(GIO_UNIX_CFLAGS)			\
+	$(GIO_WINDOWS_CFLAGS)			\
+	$(GEGL_CFLAGS)				\
+	$(CAIRO_CFLAGS)				\
+	$(GDK_PIXBUF_CFLAGS)			\
+	-I$(includedir)
+
+EXTRA_DIST = \
+	gimpconfig.def
+
+lib_LTLIBRARIES = libgimpconfig-@GIMP_API_VERSION@.la
+libgimpconfig_sources = \
+	gimpconfig.h			\
+	gimpconfigenums.h		\
+	gimpconfigtypes.h		\
+	\
+	gimpconfig-iface.c		\
+	gimpconfig-iface.h		\
+	gimpconfig-deserialize.c	\
+	gimpconfig-deserialize.h	\
+	gimpconfig-error.c		\
+	gimpconfig-error.h		\
+	gimpconfig-params.h		\
+	gimpconfig-path.c		\
+	gimpconfig-path.h		\
+	gimpconfig-serialize.c		\
+	gimpconfig-serialize.h		\
+	gimpconfig-utils.c		\
+	gimpconfig-utils.h		\
+	gimpconfigwriter.c		\
+	gimpconfigwriter.h		\
+	gimpscanner.c			\
+	gimpscanner.h			\
+	gimpcolorconfig.c		\
+	gimpcolorconfig.h
+
+libgimpconfig_built_sources = \
+	gimpconfigenums.c
+
+libgimpconfig_@GIMP_API_VERSION@_la_SOURCES = \
+	$(libgimpconfig_sources)	\
+	$(libgimpconfig_built_sources)
+
+libgimpconfiginclude_HEADERS = \
+	gimpconfig.h			\
+	gimpconfigenums.h		\
+	gimpconfigtypes.h		\
+	gimpconfig-iface.h		\
+	gimpconfig-deserialize.h	\
+	gimpconfig-error.h		\
+	gimpconfig-params.h		\
+	gimpconfig-path.h		\
+	gimpconfig-serialize.h		\
+	gimpconfig-utils.h		\
+	gimpconfigwriter.h		\
+	gimpscanner.h			\
+	gimpcolorconfig.h
+
+libgimpconfig_@GIMP_API_VERSION@_la_LDFLAGS = \
+	-version-info $(LT_VERSION_INFO)	\
+	$(no_undefined) 			\
+	$(libgimpconfig_export_symbols)
+
+EXTRA_libgimpconfig_@GIMP_API_VERSION@_la_DEPENDENCIES = $(gimpconfig_def)
+libgimpconfig_@GIMP_API_VERSION@_la_LIBADD = \
+	$(libgimpbase)		\
+	$(libgimpcolor)		\
+	$(libgimpmath)		\
+	$(GIO_UNIX_LIBS)	\
+	$(GIO_WINDOWS_LIBS)	\
+	$(GEGL_LIBS)		\
+	$(CAIRO_LIBS)		\
+	$(GDK_PIXBUF_LIBS)
+
+
+#
+# rules to generate built sources
+#
+gen_sources = xgen-cec
+CLEANFILES = $(gen_sources)
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu libgimpconfig/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu libgimpconfig/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
+	    cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles);; \
+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(libdir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(libdir)" || exit 1; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(libdir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(libdir)"; \
+	}
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(lib_LTLIBRARIES)'; test -n "$(libdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(libdir)/$$f'"; \
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+	fi
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+
+@OS_WIN32_TRUE@uninstall-libtool-import-lib:
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+@OS_WIN32_TRUE@	-rm $(DESTDIR)$(libdir)/gimpconfig.def
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+
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+
+@MS_LIB_AVAILABLE_TRUE@uninstall-ms-lib:
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+
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+@MS_LIB_AVAILABLE_TRUE@	lib -name:libgimpconfig-$(GIMP_API_VERSION)-@LT_CURRENT_MINUS_AGE@.dll -def:gimpconfig.def -out:$@
+
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+
+install-data-local: install-ms-lib install-libtool-import-lib
+
+uninstall-local: uninstall-ms-lib uninstall-libtool-import-lib
+
+xgen-cec: $(srcdir)/gimpconfigenums.h $(GIMP_MKENUMS) Makefile.am
+	$(AM_V_GEN) $(GIMP_MKENUMS) \
+		--fhead "#include \"config.h\"\n#include <gio/gio.h>\n#include \"libgimpbase/gimpbase.h\"\n#include \"gimpconfigenums.h\"\n#include \"libgimp/libgimp-intl.h\"" \
+		--fprod "\n/* enumerations from \"@basename@\" */" \
+		--vhead "GType\n@enum_name@_get_type (void)\n{\n  static const G@Type@Value values[] =\n  {" \
+		--vprod "    { @VALUENAME@, \"@VALUENAME@\", \"@valuenick@\" }," \
+		--vtail "    { 0, NULL, NULL }\n  };\n" \
+		--dhead "  static const Gimp@Type@Desc descs[] =\n  {" \
+		--dprod "    { @VALUENAME@, @valuedesc@, @valuehelp@ },@if ('@valueabbrev@' ne 'NULL')@\n    /* Translators: this is an abbreviated version of @valueudesc@.\n       Keep it short. */\n    { @VALUENAME@, @valueabbrev@, NULL },@endif@" \
+		--dtail "    { 0, NULL, NULL }\n  };\n\n  static GType type = 0;\n\n  if (G_UNLIKELY (! type))\n    {\n      type = g_@type@_register_static (\"@EnumName@\", values);\n      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE \"-libgimp\");\n      gimp_type_set_translation_context (type, \"@enumnick@\");\n      gimp_@type@_set_value_descriptions (type, descs);\n    }\n\n  return type;\n}\n" \
+		$< > $@
+
+# copy the generated enum file back to the source directory only if it's
+# changed; otherwise, only update its timestamp, so that the recipe isn't
+# executed again on the next build, however, allow this to (harmlessly) fail,
+# to support building from a read-only source tree.
+$(srcdir)/gimpconfigenums.c: xgen-cec
+	$(AM_V_GEN) if ! cmp -s $< $@; then \
+		cp $< $@; \
+	else \
+		touch $@ 2> /dev/null \
+		|| true; \
+	fi
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/libgimpconfig/gimpcolorconfig.c b/libgimpconfig/gimpcolorconfig.c
new file mode 100644
index 0000000..ccb8476
--- /dev/null
+++ b/libgimpconfig/gimpcolorconfig.c
@@ -0,0 +1,1087 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpColorConfig class
+ * Copyright (C) 2004  Stefan Döhla <stefan@doehla.de>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+
+#include "gimpconfigtypes.h"
+
+#include "gimpcolorconfig.h"
+#include "gimpconfig-error.h"
+#include "gimpconfig-iface.h"
+#include "gimpconfig-params.h"
+#include "gimpconfig-path.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpcolorconfig
+ * @title: GimpColorConfig
+ * @short_description: Color management settings.
+ *
+ * Color management settings.
+ **/
+
+
+#define COLOR_MANAGEMENT_MODE_BLURB \
+  _("How images are displayed on screen.")
+
+#define DISPLAY_PROFILE_BLURB \
+  _("The color profile of your (primary) monitor.")
+
+#define DISPLAY_PROFILE_FROM_GDK_BLURB \
+  _("When enabled, GIMP will try to use the display color profile from " \
+    "the windowing system.  The configured monitor profile is then only " \
+    "used as a fallback.")
+
+#define RGB_PROFILE_BLURB \
+  _("The preferred RGB working space color profile. It will be offered " \
+    "next to the built-in RGB profile when a color profile can be chosen.")
+
+#define GRAY_PROFILE_BLURB \
+  _("The preferred grayscale working space color profile. It will be offered " \
+    "next to the built-in grayscale profile when a color profile can be chosen.")
+
+#define CMYK_PROFILE_BLURB \
+  _("The CMYK color profile used to convert between RGB and CMYK.")
+
+#define SIMULATION_PROFILE_BLURB \
+  _("The color profile to use for soft-proofing from your image's " \
+    "color space to some other color space, including " \
+    "soft-proofing to a printer or other output device profile. ")
+
+#define DISPLAY_RENDERING_INTENT_BLURB \
+  _("How colors are converted from your image's color space to your " \
+    "display device. Relative colorimetric is usually the best choice. " \
+    "Unless you use a LUT monitor profile (most monitor profiles are " \
+    "matrix), choosing perceptual intent really gives you relative " \
+    "colorimetric." )
+
+#define DISPLAY_USE_BPC_BLURB \
+  _("Do use black point compensation (unless you know you have a reason " \
+    "not to).")
+
+#define DISPLAY_OPTIMIZE_BLURB \
+  _("When disabled, image display might be of better quality " \
+    "at the cost of speed.")
+
+#define SIMULATION_RENDERING_INTENT_BLURB \
+  _("How colors are converted from your image's color space to the "  \
+    "output simulation device (usually your monitor). " \
+    "Try them all and choose what looks the best. ")
+
+#define SIMULATION_USE_BPC_BLURB \
+  _("Try with and without black point compensation "\
+    "and choose what looks best. ")
+
+#define SIMULATION_OPTIMIZE_BLURB \
+  _("When disabled, soft-proofing might be of better quality " \
+    "at the cost of speed.")
+
+#define SIMULATION_GAMUT_CHECK_BLURB \
+  _("When enabled, the soft-proofing will mark colors " \
+    "which can not be represented in the target color space.")
+
+#define OUT_OF_GAMUT_COLOR_BLURB \
+  _("The color to use for marking colors which are out of gamut.")
+
+#define SHOW_RGB_U8_BLURB \
+  _("When enabled, set the color scales to display 0...255 instead " \
+    "of percentages")
+
+#define SHOW_HSV_BLURB \
+  _("When enabled, set the color scales to display HSV blend mode instead " \
+    "of LCh")
+
+enum
+{
+  PROP_0,
+  PROP_MODE,
+  PROP_RGB_PROFILE,
+  PROP_GRAY_PROFILE,
+  PROP_CMYK_PROFILE,
+  PROP_DISPLAY_PROFILE,
+  PROP_DISPLAY_PROFILE_FROM_GDK,
+  PROP_SIMULATION_PROFILE,
+  PROP_DISPLAY_RENDERING_INTENT,
+  PROP_DISPLAY_USE_BPC,
+  PROP_DISPLAY_OPTIMIZE,
+  PROP_SIMULATION_RENDERING_INTENT,
+  PROP_SIMULATION_USE_BPC,
+  PROP_SIMULATION_OPTIMIZE,
+  PROP_SIMULATION_GAMUT_CHECK,
+  PROP_OUT_OF_GAMUT_COLOR,
+  PROP_SHOW_RGB_U8,
+  PROP_SHOW_HSV,
+  PROP_DISPLAY_MODULE
+};
+
+
+typedef struct _GimpColorConfigPrivate GimpColorConfigPrivate;
+
+struct _GimpColorConfigPrivate
+{
+  gboolean display_optimize;
+  gboolean simulation_optimize;
+
+  gboolean show_rgb_u8;
+  gboolean show_hsv;
+};
+
+#define GET_PRIVATE(obj) \
+        ((GimpColorConfigPrivate *) gimp_color_config_get_instance_private ((GimpColorConfig *) (obj)))
+
+
+static void  gimp_color_config_finalize               (GObject          *object);
+static void  gimp_color_config_set_property           (GObject          *object,
+                                                       guint             property_id,
+                                                       const GValue     *value,
+                                                       GParamSpec       *pspec);
+static void  gimp_color_config_get_property           (GObject          *object,
+                                                       guint             property_id,
+                                                       GValue           *value,
+                                                       GParamSpec       *pspec);
+
+static void  gimp_color_config_set_rgb_profile        (GimpColorConfig  *config,
+                                                       const gchar      *filename,
+                                                       GError          **error);
+static void  gimp_color_config_set_gray_profile       (GimpColorConfig  *config,
+                                                       const gchar      *filename,
+                                                       GError          **error);
+static void  gimp_color_config_set_cmyk_profile       (GimpColorConfig  *config,
+                                                       const gchar      *filename,
+                                                       GError          **error);
+static void  gimp_color_config_set_display_profile    (GimpColorConfig  *config,
+                                                       const gchar      *filename,
+                                                       GError          **error);
+static void  gimp_color_config_set_simulation_profile (GimpColorConfig  *config,
+                                                       const gchar      *filename,
+                                                       GError          **error);
+
+
+G_DEFINE_TYPE_WITH_CODE (GimpColorConfig, gimp_color_config, G_TYPE_OBJECT,
+                         G_ADD_PRIVATE (GimpColorConfig)
+                         G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL)
+                         gimp_type_set_translation_domain (g_define_type_id,
+                                                           GETTEXT_PACKAGE "-libgimp"))
+
+#define parent_class gimp_color_config_parent_class
+
+
+static void
+gimp_color_config_class_init (GimpColorConfigClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GimpRGB       color;
+
+  gimp_rgba_set (&color, 1.0, 0.0, 1.0, 1.0); /* magenta */
+
+  object_class->finalize     = gimp_color_config_finalize;
+  object_class->set_property = gimp_color_config_set_property;
+  object_class->get_property = gimp_color_config_get_property;
+
+  GIMP_CONFIG_PROP_ENUM (object_class, PROP_MODE,
+                         "mode",
+                         _("Mode of operation"),
+                         COLOR_MANAGEMENT_MODE_BLURB,
+                         GIMP_TYPE_COLOR_MANAGEMENT_MODE,
+                         GIMP_COLOR_MANAGEMENT_DISPLAY,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_PATH (object_class, PROP_RGB_PROFILE,
+                         "rgb-profile",
+                         _("Preferred RGB profile"),
+                         RGB_PROFILE_BLURB,
+                         GIMP_CONFIG_PATH_FILE, NULL,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_PATH (object_class, PROP_GRAY_PROFILE,
+                         "gray-profile",
+                         _("Preferred grayscale profile"),
+                         GRAY_PROFILE_BLURB,
+                         GIMP_CONFIG_PATH_FILE, NULL,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_PATH (object_class, PROP_CMYK_PROFILE,
+                         "cmyk-profile",
+                         _("CMYK profile"),
+                         CMYK_PROFILE_BLURB,
+                         GIMP_CONFIG_PATH_FILE, NULL,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_PATH (object_class, PROP_DISPLAY_PROFILE,
+                         "display-profile",
+                         _("Monitor profile"),
+                         DISPLAY_PROFILE_BLURB,
+                         GIMP_CONFIG_PATH_FILE, NULL,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DISPLAY_PROFILE_FROM_GDK,
+                            "display-profile-from-gdk",
+                            _("Use the system monitor profile"),
+                            DISPLAY_PROFILE_FROM_GDK_BLURB,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_PATH (object_class, PROP_SIMULATION_PROFILE,
+                         /* FIXME: 3.0: change to simulation-profile */
+                         "printer-profile",
+                         _("Simulation profile for soft-proofing"),
+                         SIMULATION_PROFILE_BLURB,
+                         GIMP_CONFIG_PATH_FILE, NULL,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_ENUM (object_class, PROP_DISPLAY_RENDERING_INTENT,
+                         "display-rendering-intent",
+                         _("Display rendering intent"),
+                         DISPLAY_RENDERING_INTENT_BLURB,
+                         GIMP_TYPE_COLOR_RENDERING_INTENT,
+                         GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DISPLAY_USE_BPC,
+                            "display-use-black-point-compensation",
+                            _("Use black point compensation for the display"),
+                            DISPLAY_USE_BPC_BLURB,
+                            TRUE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_DISPLAY_OPTIMIZE,
+                            "display-optimize",
+                            _("Optimize display color transformations"),
+                            DISPLAY_OPTIMIZE_BLURB,
+                            TRUE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_ENUM (object_class, PROP_SIMULATION_RENDERING_INTENT,
+                         "simulation-rendering-intent",
+                         _("Soft-proofing rendering intent"),
+                         SIMULATION_RENDERING_INTENT_BLURB,
+                         GIMP_TYPE_COLOR_RENDERING_INTENT,
+                         GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,
+                         GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SIMULATION_USE_BPC,
+                            "simulation-use-black-point-compensation",
+                            _("Use black point compensation for soft-proofing"),
+                            SIMULATION_USE_BPC_BLURB,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SIMULATION_OPTIMIZE,
+                            "simulation-optimize",
+                            _("Optimize soft-proofing color transformations"),
+                            SIMULATION_OPTIMIZE_BLURB,
+                            TRUE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SIMULATION_GAMUT_CHECK,
+                            "simulation-gamut-check",
+                            _("Mark out of gamut colors"),
+                            SIMULATION_GAMUT_CHECK_BLURB,
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_RGB (object_class, PROP_OUT_OF_GAMUT_COLOR,
+                        "out-of-gamut-color",
+                        _("Out of gamut warning color"),
+                        OUT_OF_GAMUT_COLOR_BLURB,
+                        FALSE, &color,
+                        GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SHOW_RGB_U8,
+                            "show-rgb-u8",
+                            "Show RGB 0..255",
+                            _("Show RGB 0..255 scales"),
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_BOOLEAN (object_class, PROP_SHOW_HSV,
+                            "show-hsv",
+                            "Show HSV",
+                            _("Show HSV instead of LCH"),
+                            FALSE,
+                            GIMP_PARAM_STATIC_STRINGS);
+
+  GIMP_CONFIG_PROP_STRING (object_class, PROP_DISPLAY_MODULE,
+                           "display-module",
+                           "Display module",
+                           "This property is deprecated and its value ignored",
+                           "CdisplayLcms",
+                           GIMP_PARAM_STATIC_STRINGS);
+}
+
+static void
+gimp_color_config_init (GimpColorConfig *config)
+{
+}
+
+static void
+gimp_color_config_finalize (GObject *object)
+{
+  GimpColorConfig *color_config = GIMP_COLOR_CONFIG (object);
+
+  if (color_config->rgb_profile)
+    g_free (color_config->rgb_profile);
+
+  if (color_config->gray_profile)
+    g_free (color_config->gray_profile);
+
+  if (color_config->cmyk_profile)
+    g_free (color_config->cmyk_profile);
+
+  if (color_config->display_profile)
+    g_free (color_config->display_profile);
+
+  if (color_config->printer_profile)
+    g_free (color_config->printer_profile);
+
+  if (color_config->display_module)
+    g_free (color_config->display_module);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_color_config_set_property (GObject      *object,
+                                guint         property_id,
+                                const GValue *value,
+                                GParamSpec   *pspec)
+{
+  GimpColorConfig        *color_config = GIMP_COLOR_CONFIG (object);
+  GimpColorConfigPrivate *priv         = GET_PRIVATE (object);
+  GError                 *error        = NULL;
+
+  switch (property_id)
+    {
+    case PROP_MODE:
+      color_config->mode = g_value_get_enum (value);
+      break;
+    case PROP_RGB_PROFILE:
+      gimp_color_config_set_rgb_profile (color_config,
+                                         g_value_get_string (value),
+                                         &error);
+      break;
+    case PROP_GRAY_PROFILE:
+      gimp_color_config_set_gray_profile (color_config,
+                                          g_value_get_string (value),
+                                          &error);
+      break;
+    case PROP_CMYK_PROFILE:
+      gimp_color_config_set_cmyk_profile (color_config,
+                                          g_value_get_string (value),
+                                          &error);
+      break;
+    case PROP_DISPLAY_PROFILE:
+      gimp_color_config_set_display_profile (color_config,
+                                             g_value_get_string (value),
+                                             &error);
+      break;
+    case PROP_DISPLAY_PROFILE_FROM_GDK:
+      color_config->display_profile_from_gdk = g_value_get_boolean (value);
+      break;
+    case PROP_SIMULATION_PROFILE:
+      gimp_color_config_set_simulation_profile (color_config,
+                                                g_value_get_string (value),
+                                                &error);
+      break;
+    case PROP_DISPLAY_RENDERING_INTENT:
+      color_config->display_intent = g_value_get_enum (value);
+      break;
+    case PROP_DISPLAY_USE_BPC:
+      color_config->display_use_black_point_compensation = g_value_get_boolean (value);
+      break;
+    case PROP_DISPLAY_OPTIMIZE:
+      priv->display_optimize = g_value_get_boolean (value);
+      break;
+    case PROP_SIMULATION_RENDERING_INTENT:
+      color_config->simulation_intent = g_value_get_enum (value);
+      break;
+    case PROP_SIMULATION_USE_BPC:
+      color_config->simulation_use_black_point_compensation = g_value_get_boolean (value);
+      break;
+    case PROP_SIMULATION_OPTIMIZE:
+      priv->simulation_optimize = g_value_get_boolean (value);
+      break;
+    case PROP_SIMULATION_GAMUT_CHECK:
+      color_config->simulation_gamut_check = g_value_get_boolean (value);
+      break;
+    case PROP_OUT_OF_GAMUT_COLOR:
+      color_config->out_of_gamut_color = *(GimpRGB *) g_value_get_boxed (value);
+      break;
+    case PROP_SHOW_RGB_U8:
+      priv->show_rgb_u8 = g_value_get_boolean (value);
+      break;
+    case PROP_SHOW_HSV:
+      priv->show_hsv = g_value_get_boolean (value);
+      break;
+    case PROP_DISPLAY_MODULE:
+      g_free (color_config->display_module);
+      color_config->display_module = g_value_dup_string (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+
+  if (error)
+    {
+      g_message ("%s", error->message);
+      g_clear_error (&error);
+    }
+}
+
+static void
+gimp_color_config_get_property (GObject    *object,
+                                guint       property_id,
+                                GValue     *value,
+                                GParamSpec *pspec)
+{
+  GimpColorConfig        *color_config = GIMP_COLOR_CONFIG (object);
+  GimpColorConfigPrivate *priv         = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_MODE:
+      g_value_set_enum (value, color_config->mode);
+      break;
+    case PROP_RGB_PROFILE:
+      g_value_set_string (value, color_config->rgb_profile);
+      break;
+    case PROP_GRAY_PROFILE:
+      g_value_set_string (value, color_config->gray_profile);
+      break;
+    case PROP_CMYK_PROFILE:
+      g_value_set_string (value, color_config->cmyk_profile);
+      break;
+    case PROP_DISPLAY_PROFILE:
+      g_value_set_string (value, color_config->display_profile);
+      break;
+    case PROP_DISPLAY_PROFILE_FROM_GDK:
+      g_value_set_boolean (value, color_config->display_profile_from_gdk);
+      break;
+    case PROP_SIMULATION_PROFILE:
+      g_value_set_string (value, color_config->printer_profile);
+      break;
+    case PROP_DISPLAY_RENDERING_INTENT:
+      g_value_set_enum (value, color_config->display_intent);
+      break;
+    case PROP_DISPLAY_USE_BPC:
+      g_value_set_boolean (value, color_config->display_use_black_point_compensation);
+      break;
+    case PROP_DISPLAY_OPTIMIZE:
+      g_value_set_boolean (value, priv->display_optimize);
+      break;
+    case PROP_SIMULATION_RENDERING_INTENT:
+      g_value_set_enum (value, color_config->simulation_intent);
+      break;
+    case PROP_SIMULATION_USE_BPC:
+      g_value_set_boolean (value, color_config->simulation_use_black_point_compensation);
+      break;
+    case PROP_SIMULATION_OPTIMIZE:
+      g_value_set_boolean (value, priv->simulation_optimize);
+      break;
+    case PROP_SIMULATION_GAMUT_CHECK:
+      g_value_set_boolean (value, color_config->simulation_gamut_check);
+      break;
+    case PROP_OUT_OF_GAMUT_COLOR:
+      g_value_set_boxed (value, &color_config->out_of_gamut_color);
+      break;
+    case PROP_SHOW_RGB_U8:
+      g_value_set_boolean (value, priv->show_rgb_u8);
+      break;
+    case PROP_SHOW_HSV:
+      g_value_set_boolean (value, priv->show_hsv);
+      break;
+    case PROP_DISPLAY_MODULE:
+      g_value_set_string (value, color_config->display_module);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+
+/*  public functions  */
+
+/**
+ * gimp_color_config_get_mode:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+GimpColorManagementMode
+gimp_color_config_get_mode (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config),
+                        GIMP_COLOR_MANAGEMENT_OFF);
+
+  return config->mode;
+}
+
+/**
+ * gimp_color_config_get_display_intent:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+GimpColorRenderingIntent
+gimp_color_config_get_display_intent (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config),
+                        GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL);
+
+  return config->display_intent;
+}
+
+/**
+ * gimp_color_config_get_display_bpc:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_color_config_get_display_bpc (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), FALSE);
+
+  return config->display_use_black_point_compensation;
+}
+
+/**
+ * gimp_color_config_get_display_optimize:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_color_config_get_display_optimize (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), FALSE);
+
+  return GET_PRIVATE (config)->display_optimize;
+}
+
+/**
+ * gimp_color_config_get_display_profile_from_gdk:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_color_config_get_display_profile_from_gdk (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), FALSE);
+
+  return config->display_profile_from_gdk;
+}
+
+/**
+ * gimp_color_config_get_simulation_intent:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+GimpColorRenderingIntent
+gimp_color_config_get_simulation_intent (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config),
+                        GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL);
+
+  return config->simulation_intent;
+}
+
+/**
+ * gimp_color_config_get_simulation_bpc:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_color_config_get_simulation_bpc (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), FALSE);
+
+  return config->simulation_use_black_point_compensation;
+}
+
+/**
+ * gimp_color_config_get_simulation_optimize:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_color_config_get_simulation_optimize (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), FALSE);
+
+  return GET_PRIVATE (config)->simulation_optimize;
+}
+
+/**
+ * gimp_color_config_get_simulation_gamut_check:
+ * @config: a #GimpColorConfig
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_color_config_get_simulation_gamut_check (GimpColorConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), FALSE);
+
+  return config->simulation_gamut_check;
+}
+
+/**
+ * gimp_color_config_get_rgb_color_profile:
+ * @config: a #GimpColorConfig
+ * @error:  return location for a #GError
+ *
+ * Since: 2.10
+ **/
+GimpColorProfile *
+gimp_color_config_get_rgb_color_profile (GimpColorConfig  *config,
+                                         GError          **error)
+{
+  GimpColorProfile *profile = NULL;
+
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (config->rgb_profile)
+    {
+      GFile *file = gimp_file_new_for_config_path (config->rgb_profile,
+                                                   error);
+
+      if (file)
+        {
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile && ! gimp_color_profile_is_rgb (profile))
+            {
+              g_object_unref (profile);
+              profile = NULL;
+
+              g_set_error (error, GIMP_CONFIG_ERROR, 0,
+                           _("Color profile '%s' is not for RGB color space."),
+                           gimp_file_get_utf8_name (file));
+            }
+
+          g_object_unref (file);
+        }
+    }
+
+  return profile;
+}
+
+/**
+ * gimp_color_config_get_gray_color_profile:
+ * @config: a #GimpColorConfig
+ * @error:  return location for a #GError
+ *
+ * Since: 2.10
+ **/
+GimpColorProfile *
+gimp_color_config_get_gray_color_profile (GimpColorConfig  *config,
+                                          GError          **error)
+{
+  GimpColorProfile *profile = NULL;
+
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (config->gray_profile)
+    {
+      GFile *file = gimp_file_new_for_config_path (config->gray_profile,
+                                                   error);
+
+      if (file)
+        {
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile && ! gimp_color_profile_is_gray (profile))
+            {
+              g_object_unref (profile);
+              profile = NULL;
+
+              g_set_error (error, GIMP_CONFIG_ERROR, 0,
+                           _("Color profile '%s' is not for GRAY color space."),
+                           gimp_file_get_utf8_name (file));
+            }
+
+          g_object_unref (file);
+        }
+    }
+
+  return profile;
+}
+
+/**
+ * gimp_color_config_get_cmyk_color_profile:
+ * @config: a #GimpColorConfig
+ * @error:  return location for a #GError
+ *
+ * Since: 2.10
+ **/
+GimpColorProfile *
+gimp_color_config_get_cmyk_color_profile (GimpColorConfig  *config,
+                                          GError          **error)
+{
+  GimpColorProfile *profile = NULL;
+
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (config->cmyk_profile)
+    {
+      GFile *file = gimp_file_new_for_config_path (config->cmyk_profile,
+                                                   error);
+
+      if (file)
+        {
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile && ! gimp_color_profile_is_cmyk (profile))
+            {
+              g_object_unref (profile);
+              profile = NULL;
+
+              g_set_error (error, GIMP_CONFIG_ERROR, 0,
+                           _("Color profile '%s' is not for CMYK color space."),
+                           gimp_file_get_utf8_name (file));
+            }
+
+          g_object_unref (file);
+        }
+    }
+
+  return profile;
+}
+
+/**
+ * gimp_color_config_get_display_color_profile:
+ * @config: a #GimpColorConfig
+ * @error:  return location for a #GError
+ *
+ * Since: 2.10
+ **/
+GimpColorProfile *
+gimp_color_config_get_display_color_profile (GimpColorConfig  *config,
+                                             GError          **error)
+{
+  GimpColorProfile *profile = NULL;
+
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (config->display_profile)
+    {
+      GFile *file = gimp_file_new_for_config_path (config->display_profile,
+                                                   error);
+
+      if (file)
+        {
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          g_object_unref (file);
+        }
+    }
+
+  return profile;
+}
+
+/**
+ * gimp_color_config_get_simulation_color_profile:
+ * @config: a #GimpColorConfig
+ * @error:  return location for a #GError
+ *
+ * Since: 2.10
+ **/
+GimpColorProfile *
+gimp_color_config_get_simulation_color_profile (GimpColorConfig  *config,
+                                                GError          **error)
+{
+  GimpColorProfile *profile = NULL;
+
+  g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (config->printer_profile)
+    {
+      GFile *file = gimp_file_new_for_config_path (config->printer_profile,
+                                                   error);
+
+      if (file)
+        {
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          g_object_unref (file);
+        }
+    }
+
+  return profile;
+}
+
+
+/*  private functions  */
+
+static void
+gimp_color_config_set_rgb_profile (GimpColorConfig  *config,
+                                   const gchar      *filename,
+                                   GError          **error)
+{
+  gboolean success = TRUE;
+
+  if (filename)
+    {
+      GFile *file = gimp_file_new_for_config_path (filename, error);
+
+      if (file)
+        {
+          GimpColorProfile *profile;
+
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile)
+            {
+              if (! gimp_color_profile_is_rgb (profile))
+                {
+                  g_set_error (error, GIMP_CONFIG_ERROR, 0,
+                               _("Color profile '%s' is not for RGB "
+                                 "color space."),
+                               gimp_file_get_utf8_name (file));
+                  success = FALSE;
+                }
+
+              g_object_unref (profile);
+            }
+          else
+            {
+              success = FALSE;
+            }
+
+          g_object_unref (file);
+        }
+      else
+        {
+          success = FALSE;
+        }
+    }
+
+  if (success)
+    {
+      g_free (config->rgb_profile);
+      config->rgb_profile = g_strdup (filename);
+    }
+}
+
+static void
+gimp_color_config_set_gray_profile (GimpColorConfig  *config,
+                                    const gchar      *filename,
+                                    GError          **error)
+{
+  gboolean success = TRUE;
+
+  if (filename)
+    {
+      GFile *file = gimp_file_new_for_config_path (filename, error);
+
+      if (file)
+        {
+          GimpColorProfile *profile;
+
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile)
+            {
+              if (! gimp_color_profile_is_gray (profile))
+                {
+                  g_set_error (error, GIMP_CONFIG_ERROR, 0,
+                               _("Color profile '%s' is not for GRAY "
+                                 "color space."),
+                               gimp_file_get_utf8_name (file));
+                  success = FALSE;
+                }
+
+              g_object_unref (profile);
+            }
+          else
+            {
+              success = FALSE;
+            }
+
+          g_object_unref (file);
+        }
+      else
+        {
+          success = FALSE;
+        }
+    }
+
+  if (success)
+    {
+      g_free (config->gray_profile);
+      config->gray_profile = g_strdup (filename);
+    }
+}
+
+static void
+gimp_color_config_set_cmyk_profile (GimpColorConfig  *config,
+                                    const gchar      *filename,
+                                    GError          **error)
+{
+  gboolean success = TRUE;
+
+  if (filename)
+    {
+      GFile *file = gimp_file_new_for_config_path (filename, error);
+
+      if (file)
+        {
+          GimpColorProfile *profile;
+
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile)
+            {
+              if (! gimp_color_profile_is_cmyk (profile))
+                {
+                  g_set_error (error, GIMP_CONFIG_ERROR, 0,
+                               _("Color profile '%s' is not for CMYK "
+                                 "color space."),
+                               gimp_file_get_utf8_name (file));
+                  success = FALSE;
+                }
+
+              g_object_unref (profile);
+            }
+          else
+            {
+              success = FALSE;
+            }
+
+          g_object_unref (file);
+        }
+      else
+        {
+          success = FALSE;
+        }
+    }
+
+  if (success)
+    {
+      g_free (config->cmyk_profile);
+      config->cmyk_profile = g_strdup (filename);
+    }
+}
+
+static void
+gimp_color_config_set_display_profile (GimpColorConfig  *config,
+                                       const gchar      *filename,
+                                       GError          **error)
+{
+  gboolean success = TRUE;
+
+  if (filename)
+    {
+      GFile *file = gimp_file_new_for_config_path (filename, error);
+
+      if (file)
+        {
+          GimpColorProfile *profile;
+
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile)
+            {
+              g_object_unref (profile);
+            }
+          else
+            {
+              success = FALSE;
+            }
+
+          g_object_unref (file);
+        }
+      else
+        {
+          success = FALSE;
+        }
+    }
+
+  if (success)
+    {
+      g_free (config->display_profile);
+      config->display_profile = g_strdup (filename);
+    }
+}
+
+static void
+gimp_color_config_set_simulation_profile (GimpColorConfig  *config,
+                                          const gchar      *filename,
+                                          GError          **error)
+{
+  gboolean success = TRUE;
+
+  if (filename)
+    {
+      GFile *file = gimp_file_new_for_config_path (filename, error);
+
+      if (file)
+        {
+          GimpColorProfile *profile;
+
+          profile = gimp_color_profile_new_from_file (file, error);
+
+          if (profile)
+            {
+              g_object_unref (profile);
+            }
+          else
+            {
+              success = FALSE;
+            }
+
+          g_object_unref (file);
+        }
+      else
+        {
+          success = FALSE;
+        }
+    }
+
+  if (success)
+    {
+      g_free (config->printer_profile);
+      config->printer_profile = g_strdup (filename);
+    }
+}
diff --git a/libgimpconfig/gimpcolorconfig.h b/libgimpconfig/gimpcolorconfig.h
new file mode 100644
index 0000000..b4fdf28
--- /dev/null
+++ b/libgimpconfig/gimpcolorconfig.h
@@ -0,0 +1,110 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpColorConfig class
+ * Copyright (C) 2004  Stefan Döhla <stefan@doehla.de>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_COLOR_CONFIG_H__
+#define __GIMP_COLOR_CONFIG_H__
+
+
+#define GIMP_TYPE_COLOR_CONFIG            (gimp_color_config_get_type ())
+#define GIMP_COLOR_CONFIG(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_COLOR_CONFIG, GimpColorConfig))
+#define GIMP_COLOR_CONFIG_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_COLOR_CONFIG, GimpColorConfigClass))
+#define GIMP_IS_COLOR_CONFIG(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_COLOR_CONFIG))
+#define GIMP_IS_COLOR_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_COLOR_CONFIG))
+
+
+typedef struct _GimpColorConfigClass GimpColorConfigClass;
+
+struct _GimpColorConfig
+{
+  GObject                     parent_instance;
+
+  /*< public >*/
+  GimpColorManagementMode     mode;
+  gchar                      *rgb_profile;
+  gchar                      *cmyk_profile;
+  gchar                      *display_profile;
+  gboolean                    display_profile_from_gdk;
+  gchar                      *printer_profile;
+  GimpColorRenderingIntent    display_intent;
+  GimpColorRenderingIntent    simulation_intent;
+
+  gchar                      *display_module;
+
+  gboolean                    simulation_gamut_check;
+  GimpRGB                     out_of_gamut_color;
+
+  gboolean                    display_use_black_point_compensation;
+  gboolean                    simulation_use_black_point_compensation;
+
+  gchar                      *gray_profile;
+
+  /*< private >*/
+  /* Padding for future expansion */
+#if (GLIB_SIZEOF_VOID_P == 8)
+  void (* _gimp_reserved3) (void);
+#endif
+  void (* _gimp_reserved4) (void);
+  void (* _gimp_reserved5) (void);
+  void (* _gimp_reserved6) (void);
+  void (* _gimp_reserved7) (void);
+  void (* _gimp_reserved8) (void);
+};
+
+struct _GimpColorConfigClass
+{
+  GObjectClass                parent_class;
+};
+
+
+GType              gimp_color_config_get_type                     (void) G_GNUC_CONST;
+
+GimpColorManagementMode
+                   gimp_color_config_get_mode                     (GimpColorConfig  *config);
+
+GimpColorRenderingIntent
+                   gimp_color_config_get_display_intent           (GimpColorConfig  *config);
+gboolean           gimp_color_config_get_display_bpc              (GimpColorConfig  *config);
+gboolean           gimp_color_config_get_display_optimize         (GimpColorConfig  *config);
+gboolean           gimp_color_config_get_display_profile_from_gdk (GimpColorConfig  *config);
+
+GimpColorRenderingIntent
+                   gimp_color_config_get_simulation_intent        (GimpColorConfig  *config);
+gboolean           gimp_color_config_get_simulation_bpc           (GimpColorConfig  *config);
+gboolean           gimp_color_config_get_simulation_optimize      (GimpColorConfig  *config);
+gboolean           gimp_color_config_get_simulation_gamut_check   (GimpColorConfig  *config);
+
+GimpColorProfile * gimp_color_config_get_rgb_color_profile        (GimpColorConfig  *config,
+                                                                   GError          **error);
+GimpColorProfile * gimp_color_config_get_gray_color_profile       (GimpColorConfig  *config,
+                                                                   GError          **error);
+GimpColorProfile * gimp_color_config_get_cmyk_color_profile       (GimpColorConfig  *config,
+                                                                   GError          **error);
+GimpColorProfile * gimp_color_config_get_display_color_profile    (GimpColorConfig  *config,
+                                                                   GError          **error);
+GimpColorProfile * gimp_color_config_get_simulation_color_profile (GimpColorConfig  *config,
+                                                                   GError          **error);
+
+
+#endif /* GIMP_COLOR_CONFIG_H__ */
diff --git a/libgimpconfig/gimpconfig-deserialize.c b/libgimpconfig/gimpconfig-deserialize.c
new file mode 100644
index 0000000..55cbf50
--- /dev/null
+++ b/libgimpconfig/gimpconfig-deserialize.c
@@ -0,0 +1,1019 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Object properties deserialization routines
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpmath/gimpmath.h"
+
+#include "gimpconfigtypes.h"
+
+#include "gimpconfigwriter.h"
+#include "gimpconfig-iface.h"
+#include "gimpconfig-deserialize.h"
+#include "gimpconfig-params.h"
+#include "gimpconfig-path.h"
+#include "gimpscanner.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpconfig-deserialize
+ * @title: GimpConfig-deserialize
+ * @short_description: Deserializing code for libgimpconfig.
+ *
+ * Deserializing code for libgimpconfig.
+ **/
+
+
+/*
+ *  All functions return G_TOKEN_RIGHT_PAREN on success,
+ *  the GTokenType they would have expected but didn't get
+ *  or G_TOKEN_NONE if they got the expected token but
+ *  couldn't parse it.
+ */
+
+static GTokenType  gimp_config_deserialize_value       (GValue     *value,
+                                                        GimpConfig *config,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_fundamental (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_enum        (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_memsize     (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_path        (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_rgb         (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_matrix2     (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_object      (GValue     *value,
+                                                        GimpConfig *config,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner,
+                                                        gint        nest_level);
+static GTokenType  gimp_config_deserialize_value_array (GValue     *value,
+                                                        GimpConfig *config,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_unit        (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_file_value  (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_deserialize_any         (GValue     *value,
+                                                        GParamSpec *prop_spec,
+                                                        GScanner   *scanner);
+static GTokenType  gimp_config_skip_unknown_property   (GScanner   *scanner);
+
+static inline gboolean  scanner_string_utf8_valid (GScanner    *scanner,
+                                                   const gchar *token_name);
+
+static inline gboolean
+scanner_string_utf8_valid (GScanner    *scanner,
+                           const gchar *token_name)
+{
+  if (g_utf8_validate (scanner->value.v_string, -1, NULL))
+    return TRUE;
+
+  g_scanner_error (scanner,
+                   _("value for token %s is not a valid UTF-8 string"),
+                   token_name);
+
+  return FALSE;
+}
+
+/**
+ * gimp_config_deserialize_properties:
+ * @config: a #GimpConfig.
+ * @scanner: a #GScanner.
+ * @nest_level: the nest level
+ *
+ * This function uses the @scanner to configure the properties of @config.
+ *
+ * Return value: %TRUE on success, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_deserialize_properties (GimpConfig *config,
+                                    GScanner   *scanner,
+                                    gint        nest_level)
+{
+  GObjectClass  *klass;
+  GParamSpec   **property_specs;
+  guint          n_property_specs;
+  guint          i;
+  guint          scope_id;
+  guint          old_scope_id;
+  GTokenType     token;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+
+  klass = G_OBJECT_GET_CLASS (config);
+  property_specs = g_object_class_list_properties (klass, &n_property_specs);
+
+  if (! property_specs)
+    return TRUE;
+
+  scope_id = g_type_qname (G_TYPE_FROM_INSTANCE (config));
+  old_scope_id = g_scanner_set_scope (scanner, scope_id);
+
+  for (i = 0; i < n_property_specs; i++)
+    {
+      GParamSpec *prop_spec = property_specs[i];
+
+      if (prop_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE)
+        {
+          g_scanner_scope_add_symbol (scanner, scope_id,
+                                      prop_spec->name, prop_spec);
+        }
+    }
+
+  g_free (property_specs);
+
+  g_object_freeze_notify (G_OBJECT (config));
+
+  token = G_TOKEN_LEFT_PAREN;
+
+  while (TRUE)
+    {
+      GTokenType next = g_scanner_peek_next_token (scanner);
+
+      if (next == G_TOKEN_EOF)
+        break;
+
+      if (G_UNLIKELY (next != token &&
+                      ! (token == G_TOKEN_SYMBOL &&
+                         next  == G_TOKEN_IDENTIFIER)))
+        {
+          break;
+        }
+
+      token = g_scanner_get_next_token (scanner);
+
+      switch (token)
+        {
+        case G_TOKEN_LEFT_PAREN:
+          token = G_TOKEN_SYMBOL;
+          break;
+
+        case G_TOKEN_IDENTIFIER:
+          token = gimp_config_skip_unknown_property (scanner);
+          break;
+
+        case G_TOKEN_SYMBOL:
+          token = gimp_config_deserialize_property (config,
+                                                    scanner, nest_level);
+          break;
+
+        case G_TOKEN_RIGHT_PAREN:
+          token = G_TOKEN_LEFT_PAREN;
+          break;
+
+        default: /* do nothing */
+          break;
+        }
+    }
+
+  g_scanner_set_scope (scanner, old_scope_id);
+
+  g_object_thaw_notify (G_OBJECT (config));
+
+  if (token == G_TOKEN_NONE)
+    return FALSE;
+
+  return gimp_config_deserialize_return (scanner, token, nest_level);
+}
+
+/**
+ * gimp_config_deserialize_property:
+ * @config: a #GimpConfig.
+ * @scanner: a #GScanner.
+ * @nest_level: the nest level
+ *
+ * This function deserializes a single property of @config. You
+ * shouldn't need to call this function directly. If possible, use
+ * gimp_config_deserialize_properties() instead.
+ *
+ * Return value: %G_TOKEN_RIGHT_PAREN on success, otherwise the
+ * expected #GTokenType or %G_TOKEN_NONE if the expected token was
+ * found but couldn't be parsed.
+ *
+ * Since: 2.4
+ **/
+GTokenType
+gimp_config_deserialize_property (GimpConfig *config,
+                                  GScanner   *scanner,
+                                  gint        nest_level)
+{
+  GimpConfigInterface *config_iface = NULL;
+  GimpConfigInterface *parent_iface = NULL;
+  GParamSpec          *prop_spec;
+  GTokenType           token        = G_TOKEN_RIGHT_PAREN;
+  GValue               value        = G_VALUE_INIT;
+  guint                old_scope_id;
+
+  old_scope_id = g_scanner_set_scope (scanner, 0);
+
+  prop_spec = G_PARAM_SPEC (scanner->value.v_symbol);
+
+  g_value_init (&value, prop_spec->value_type);
+
+  if (G_TYPE_IS_OBJECT (prop_spec->owner_type))
+    {
+      GTypeClass *owner_class = g_type_class_peek (prop_spec->owner_type);
+
+      config_iface = g_type_interface_peek (owner_class, GIMP_TYPE_CONFIG);
+
+      /*  We must call deserialize_property() *only* if the *exact* class
+       *  which implements it is param_spec->owner_type's class.
+       *
+       *  Therefore, we ask param_spec->owner_type's immediate parent class
+       *  for it's GimpConfigInterface and check if we get a different
+       *  pointer.
+       *
+       *  (if the pointers are the same, param_spec->owner_type's
+       *   GimpConfigInterface is inherited from one of it's parent classes
+       *   and thus not able to handle param_spec->owner_type's properties).
+       */
+      if (config_iface)
+        {
+          GTypeClass *owner_parent_class;
+
+          owner_parent_class = g_type_class_peek_parent (owner_class);
+
+          parent_iface = g_type_interface_peek (owner_parent_class,
+                                                GIMP_TYPE_CONFIG);
+        }
+    }
+
+  if (config_iface                       &&
+      config_iface != parent_iface       && /* see comment above */
+      config_iface->deserialize_property &&
+      config_iface->deserialize_property (config,
+                                          prop_spec->param_id,
+                                          &value,
+                                          prop_spec,
+                                          scanner,
+                                          &token))
+    {
+      /* nop */
+    }
+  else
+    {
+      if (G_VALUE_HOLDS_OBJECT (&value) &&
+          G_VALUE_TYPE (&value) != G_TYPE_FILE)
+        {
+          token = gimp_config_deserialize_object (&value,
+                                                  config, prop_spec,
+                                                  scanner, nest_level);
+        }
+      else
+        {
+          token = gimp_config_deserialize_value (&value,
+                                                 config, prop_spec, scanner);
+        }
+    }
+
+  if (token == G_TOKEN_RIGHT_PAREN &&
+      g_scanner_peek_next_token (scanner) == token)
+    {
+      if (! (G_VALUE_HOLDS_OBJECT (&value) &&
+             (prop_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE)))
+        g_object_set_property (G_OBJECT (config), prop_spec->name, &value);
+    }
+#ifdef CONFIG_DEBUG
+  else
+    {
+      g_warning ("%s: couldn't deserialize property %s::%s of type %s",
+                 G_STRFUNC,
+                 g_type_name (G_TYPE_FROM_INSTANCE (config)),
+                 prop_spec->name,
+                 g_type_name (prop_spec->value_type));
+    }
+#endif
+
+  g_value_unset (&value);
+
+  g_scanner_set_scope (scanner, old_scope_id);
+
+  return token;
+}
+
+static GTokenType
+gimp_config_deserialize_value (GValue     *value,
+                               GimpConfig *config,
+                               GParamSpec *prop_spec,
+                               GScanner   *scanner)
+{
+  if (G_TYPE_FUNDAMENTAL (prop_spec->value_type) == G_TYPE_ENUM)
+    {
+      return gimp_config_deserialize_enum (value, prop_spec, scanner);
+    }
+  else if (G_TYPE_IS_FUNDAMENTAL (prop_spec->value_type))
+    {
+      return gimp_config_deserialize_fundamental (value, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == GIMP_TYPE_MEMSIZE)
+    {
+      return gimp_config_deserialize_memsize (value, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == GIMP_TYPE_CONFIG_PATH)
+    {
+      return  gimp_config_deserialize_path (value, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == GIMP_TYPE_RGB)
+    {
+      return gimp_config_deserialize_rgb (value, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == GIMP_TYPE_MATRIX2)
+    {
+      return gimp_config_deserialize_matrix2 (value, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == GIMP_TYPE_VALUE_ARRAY)
+    {
+      return gimp_config_deserialize_value_array (value,
+                                                  config, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == GIMP_TYPE_UNIT)
+    {
+      return gimp_config_deserialize_unit (value, prop_spec, scanner);
+    }
+  else if (prop_spec->value_type == G_TYPE_FILE)
+    {
+      return gimp_config_deserialize_file_value (value, prop_spec, scanner);
+    }
+
+  /*  This fallback will only work for value_types that
+   *  can be transformed from a string value.
+   */
+  return gimp_config_deserialize_any (value, prop_spec, scanner);
+}
+
+static GTokenType
+gimp_config_deserialize_fundamental (GValue     *value,
+                                     GParamSpec *prop_spec,
+                                     GScanner   *scanner)
+{
+  GTokenType token;
+  GTokenType next_token;
+  GType      value_type;
+  gboolean   negate = FALSE;
+
+  value_type = G_TYPE_FUNDAMENTAL (prop_spec->value_type);
+
+  switch (value_type)
+    {
+    case G_TYPE_STRING:
+      token = G_TOKEN_STRING;
+      break;
+
+    case G_TYPE_BOOLEAN:
+      token = G_TOKEN_IDENTIFIER;
+      break;
+
+    case G_TYPE_INT:
+    case G_TYPE_LONG:
+    case G_TYPE_INT64:
+      if (g_scanner_peek_next_token (scanner) == '-')
+        {
+          negate = TRUE;
+          g_scanner_get_next_token (scanner);
+        }
+      /*  fallthrough  */
+    case G_TYPE_UINT:
+    case G_TYPE_ULONG:
+    case G_TYPE_UINT64:
+      token = G_TOKEN_INT;
+      break;
+
+    case G_TYPE_FLOAT:
+    case G_TYPE_DOUBLE:
+      if (g_scanner_peek_next_token (scanner) == '-')
+        {
+          negate = TRUE;
+          g_scanner_get_next_token (scanner);
+        }
+      token = G_TOKEN_FLOAT;
+      break;
+
+    default:
+      g_assert_not_reached ();
+      break;
+    }
+
+  next_token = g_scanner_peek_next_token (scanner);
+
+  /* we parse integers into floats too, because g_ascii_dtostr()
+   * serialized whole number without decimal point
+   */
+  if (next_token != token &&
+      ! (token == G_TOKEN_FLOAT && next_token == G_TOKEN_INT))
+    {
+      return token;
+    }
+
+  g_scanner_get_next_token (scanner);
+
+  switch (value_type)
+    {
+    case G_TYPE_STRING:
+      if (scanner_string_utf8_valid (scanner, prop_spec->name))
+        g_value_set_string (value, scanner->value.v_string);
+      else
+        return G_TOKEN_NONE;
+      break;
+
+    case G_TYPE_BOOLEAN:
+      if (! g_ascii_strcasecmp (scanner->value.v_identifier, "yes") ||
+          ! g_ascii_strcasecmp (scanner->value.v_identifier, "true"))
+        g_value_set_boolean (value, TRUE);
+      else if (! g_ascii_strcasecmp (scanner->value.v_identifier, "no") ||
+               ! g_ascii_strcasecmp (scanner->value.v_identifier, "false"))
+        g_value_set_boolean (value, FALSE);
+      else
+        {
+          g_scanner_error
+            (scanner,
+             /* please don't translate 'yes' and 'no' */
+             _("expected 'yes' or 'no' for boolean token %s, got '%s'"),
+             prop_spec->name, scanner->value.v_identifier);
+          return G_TOKEN_NONE;
+        }
+      break;
+
+    case G_TYPE_INT:
+      g_value_set_int (value, (negate ?
+                               - (gint) scanner->value.v_int64 :
+                                 (gint) scanner->value.v_int64));
+      break;
+    case G_TYPE_UINT:
+      g_value_set_uint (value, scanner->value.v_int64);
+      break;
+
+    case G_TYPE_LONG:
+      g_value_set_long (value, (negate ?
+                                - (glong) scanner->value.v_int64 :
+                                  (glong) scanner->value.v_int64));
+      break;
+    case G_TYPE_ULONG:
+      g_value_set_ulong (value, scanner->value.v_int64);
+      break;
+
+    case G_TYPE_INT64:
+      g_value_set_int64 (value, (negate ?
+                                 - (gint64) scanner->value.v_int64 :
+                                   (gint64) scanner->value.v_int64));
+      break;
+    case G_TYPE_UINT64:
+      g_value_set_uint64 (value, scanner->value.v_int64);
+      break;
+
+    case G_TYPE_FLOAT:
+      if (next_token == G_TOKEN_FLOAT)
+        g_value_set_float (value, negate ?
+                           - scanner->value.v_float :
+                             scanner->value.v_float);
+      else
+        g_value_set_float (value, negate ?
+                           - (gfloat) scanner->value.v_int :
+                             (gfloat) scanner->value.v_int);
+      break;
+
+    case G_TYPE_DOUBLE:
+      if (next_token == G_TOKEN_FLOAT)
+        g_value_set_double (value, negate ?
+                            - scanner->value.v_float:
+                              scanner->value.v_float);
+      else
+        g_value_set_double (value, negate ?
+                            - (gdouble) scanner->value.v_int:
+                              (gdouble) scanner->value.v_int);
+      break;
+
+    default:
+      g_assert_not_reached ();
+      break;
+    }
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_enum (GValue     *value,
+                              GParamSpec *prop_spec,
+                              GScanner   *scanner)
+{
+  GEnumClass *enum_class;
+  GEnumValue *enum_value;
+
+  enum_class = g_type_class_peek (G_VALUE_TYPE (value));
+
+  switch (g_scanner_peek_next_token (scanner))
+    {
+    case G_TOKEN_IDENTIFIER:
+      g_scanner_get_next_token (scanner);
+
+      enum_value = g_enum_get_value_by_nick (enum_class,
+                                             scanner->value.v_identifier);
+      if (! enum_value)
+        enum_value = g_enum_get_value_by_name (enum_class,
+                                               scanner->value.v_identifier);
+      if (! enum_value)
+        {
+          /*  if the value was not found, check if we have a compat
+           *  enum to find the ideitifier
+           */
+          GQuark quark       = g_quark_from_static_string ("gimp-compat-enum");
+          GType  compat_type = (GType) g_type_get_qdata (G_VALUE_TYPE (value),
+                                                         quark);
+
+          if (compat_type)
+            {
+              GEnumClass *compat_class = g_type_class_ref (compat_type);
+
+              enum_value = g_enum_get_value_by_nick (compat_class,
+                                                     scanner->value.v_identifier);
+              if (! enum_value)
+                enum_value = g_enum_get_value_by_name (compat_class,
+                                                       scanner->value.v_identifier);
+
+              /*  finally, if we found a compat value, make sure the
+               *  same value exists in the original enum
+               */
+              if (enum_value)
+                enum_value = g_enum_get_value (enum_class, enum_value->value);
+
+              g_type_class_unref (compat_class);
+           }
+        }
+
+      if (! enum_value)
+        {
+          g_scanner_error (scanner,
+                           _("invalid value '%s' for token %s"),
+                           scanner->value.v_identifier, prop_spec->name);
+          return G_TOKEN_NONE;
+        }
+      break;
+
+    case G_TOKEN_INT:
+      g_scanner_get_next_token (scanner);
+
+      enum_value = g_enum_get_value (enum_class,
+                                     (gint) scanner->value.v_int64);
+
+      if (! enum_value)
+        {
+          g_scanner_error (scanner,
+                           _("invalid value '%ld' for token %s"),
+                           (glong) scanner->value.v_int64, prop_spec->name);
+          return G_TOKEN_NONE;
+        }
+      break;
+
+    default:
+      return G_TOKEN_IDENTIFIER;
+    }
+
+  g_value_set_enum (value, enum_value->value);
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_memsize (GValue     *value,
+                                 GParamSpec *prop_spec,
+                                 GScanner   *scanner)
+{
+  gchar   *orig_cset_first = scanner->config->cset_identifier_first;
+  gchar   *orig_cset_nth   = scanner->config->cset_identifier_nth;
+  guint64  memsize;
+
+  scanner->config->cset_identifier_first = G_CSET_DIGITS;
+  scanner->config->cset_identifier_nth   = G_CSET_DIGITS "gGmMkKbB";
+
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_IDENTIFIER)
+    return G_TOKEN_IDENTIFIER;
+
+  g_scanner_get_next_token (scanner);
+
+  scanner->config->cset_identifier_first = orig_cset_first;
+  scanner->config->cset_identifier_nth   = orig_cset_nth;
+
+  if (! gimp_memsize_deserialize (scanner->value.v_identifier, &memsize))
+    return G_TOKEN_NONE;
+
+  g_value_set_uint64 (value, memsize);
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_path (GValue     *value,
+                              GParamSpec *prop_spec,
+                              GScanner   *scanner)
+{
+  GError *error = NULL;
+
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_STRING)
+    return G_TOKEN_STRING;
+
+  g_scanner_get_next_token (scanner);
+
+  if (!scanner_string_utf8_valid (scanner, prop_spec->name))
+    return G_TOKEN_NONE;
+
+  if (scanner->value.v_string)
+    {
+      /*  Check if the string can be expanded
+       *  and converted to the filesystem encoding.
+       */
+      gchar *expand = gimp_config_path_expand (scanner->value.v_string,
+                                               TRUE, &error);
+
+      if (!expand)
+        {
+          g_scanner_error (scanner,
+                           _("while parsing token '%s': %s"),
+                           prop_spec->name, error->message);
+          g_error_free (error);
+
+          return G_TOKEN_NONE;
+        }
+
+      g_free (expand);
+
+      g_value_set_static_string (value, scanner->value.v_string);
+    }
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_rgb (GValue     *value,
+                             GParamSpec *prop_spec,
+                             GScanner   *scanner)
+{
+  GimpRGB rgb;
+
+  if (! gimp_scanner_parse_color (scanner, &rgb))
+    return G_TOKEN_NONE;
+
+  g_value_set_boxed (value, &rgb);
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_matrix2 (GValue     *value,
+                                 GParamSpec *prop_spec,
+                                 GScanner   *scanner)
+{
+  GimpMatrix2 matrix;
+
+  if (! gimp_scanner_parse_matrix2 (scanner, &matrix))
+    return G_TOKEN_NONE;
+
+  g_value_set_boxed (value, &matrix);
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_object (GValue     *value,
+                                GimpConfig *config,
+                                GParamSpec *prop_spec,
+                                GScanner   *scanner,
+                                gint        nest_level)
+{
+  GimpConfigInterface *config_iface;
+  GimpConfig          *prop_object;
+
+  g_object_get_property (G_OBJECT (config), prop_spec->name, value);
+
+  prop_object = g_value_get_object (value);
+
+  if (! prop_object)
+    {
+      /*  if the object property is not GIMP_CONFIG_PARAM_AGGREGATE, read
+       *  the type of the object and create it
+       */
+      if (! (prop_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE))
+        {
+          gchar *type_name;
+          GType  type;
+
+          if (! gimp_scanner_parse_string (scanner, &type_name))
+            return G_TOKEN_STRING;
+
+          if (! (type_name && *type_name))
+            {
+              g_scanner_error (scanner, "Type name is empty");
+              g_free (type_name);
+              return G_TOKEN_NONE;
+            }
+
+          type = g_type_from_name (type_name);
+          g_free (type_name);
+
+          if (! g_type_is_a (type, prop_spec->value_type))
+            return G_TOKEN_STRING;
+
+          prop_object = g_object_new (type, NULL);
+
+          g_value_take_object (value, prop_object);
+        }
+      else
+        {
+          return G_TOKEN_RIGHT_PAREN;
+        }
+    }
+
+  config_iface = GIMP_CONFIG_GET_INTERFACE (prop_object);
+
+  if (! config_iface)
+    return gimp_config_deserialize_any (value, prop_spec, scanner);
+
+  if (! config_iface->deserialize (prop_object, scanner, nest_level + 1, NULL))
+    return G_TOKEN_NONE;
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_value_array (GValue     *value,
+                                     GimpConfig *config,
+                                     GParamSpec *prop_spec,
+                                     GScanner   *scanner)
+{
+  GimpParamSpecValueArray *array_spec;
+  GimpValueArray          *array;
+  GValue                   array_value = G_VALUE_INIT;
+  gint                     n_values;
+  GTokenType               token;
+  gint                     i;
+
+  array_spec = GIMP_PARAM_SPEC_VALUE_ARRAY (prop_spec);
+
+  if (! gimp_scanner_parse_int (scanner, &n_values))
+    return G_TOKEN_INT;
+
+  array = gimp_value_array_new (n_values);
+
+  for (i = 0; i < n_values; i++)
+    {
+      g_value_init (&array_value, array_spec->element_spec->value_type);
+
+      token = gimp_config_deserialize_value (&array_value,
+                                             config,
+                                             array_spec->element_spec,
+                                             scanner);
+
+      if (token == G_TOKEN_RIGHT_PAREN)
+        gimp_value_array_append (array, &array_value);
+
+      g_value_unset (&array_value);
+
+      if (token != G_TOKEN_RIGHT_PAREN)
+        return token;
+    }
+
+  g_value_take_boxed (value, array);
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+/* This function is entirely sick, so is our method of serializing
+ * units, which we write out as (unit foo bar) instead of
+ * (unit "foo bar"). The assumption that caused this shit was that a
+ * unit's "identifier" is really an identifier in the C-ish sense,
+ * when in fact it's just a random user entered string.
+ *
+ * Here, we try to parse at least the default units shipped with gimp,
+ * and we add code to parse (unit "foo bar") in order to be compatible
+ * with future correct unit serializing.
+ */
+static GTokenType
+gimp_config_deserialize_unit (GValue     *value,
+                              GParamSpec *prop_spec,
+                              GScanner   *scanner)
+{
+  gchar      *old_cset_skip_characters;
+  gchar      *old_cset_identifier_first;
+  gchar      *old_cset_identifier_nth;
+  GString    *buffer;
+  GValue      src = G_VALUE_INIT;
+  GTokenType  token;
+
+  /* parse the next token *before* reconfiguring the scanner, so it
+   * skips whitespace first
+   */
+  token = g_scanner_peek_next_token (scanner);
+
+  if (token == G_TOKEN_STRING)
+    return gimp_config_deserialize_any (value, prop_spec, scanner);
+
+  old_cset_skip_characters  = scanner->config->cset_skip_characters;
+  old_cset_identifier_first = scanner->config->cset_identifier_first;
+  old_cset_identifier_nth   = scanner->config->cset_identifier_nth;
+
+  scanner->config->cset_skip_characters  = "";
+  scanner->config->cset_identifier_first = ( G_CSET_a_2_z G_CSET_A_2_Z "." );
+  scanner->config->cset_identifier_nth   = ( G_CSET_a_2_z G_CSET_A_2_Z
+                                             G_CSET_DIGITS "-_." );
+
+  buffer = g_string_new ("");
+
+  while (g_scanner_peek_next_token (scanner) != G_TOKEN_RIGHT_PAREN)
+    {
+      token = g_scanner_peek_next_token (scanner);
+
+      if (token == G_TOKEN_IDENTIFIER)
+        {
+          g_scanner_get_next_token (scanner);
+          g_string_append (buffer, scanner->value.v_identifier);
+        }
+      else if (token == G_TOKEN_CHAR)
+        {
+          g_scanner_get_next_token (scanner);
+          g_string_append_c (buffer, scanner->value.v_char);
+        }
+      else if (token == ' ')
+        {
+          g_scanner_get_next_token (scanner);
+          g_string_append_c (buffer, token);
+        }
+      else
+        {
+          token = G_TOKEN_IDENTIFIER;
+          goto cleanup;
+        }
+    }
+
+  g_value_init (&src, G_TYPE_STRING);
+  g_value_set_static_string (&src, buffer->str);
+  g_value_transform (&src, value);
+  g_value_unset (&src);
+
+  token = G_TOKEN_RIGHT_PAREN;
+
+ cleanup:
+
+  g_string_free (buffer, TRUE);
+
+  scanner->config->cset_skip_characters  = old_cset_skip_characters;
+  scanner->config->cset_identifier_first = old_cset_identifier_first;
+  scanner->config->cset_identifier_nth   = old_cset_identifier_nth;
+
+  return token;
+}
+
+static GTokenType
+gimp_config_deserialize_file_value (GValue     *value,
+                                    GParamSpec *prop_spec,
+                                    GScanner   *scanner)
+{
+  GTokenType token;
+
+  token = g_scanner_peek_next_token (scanner);
+
+  if (token != G_TOKEN_IDENTIFIER &&
+      token != G_TOKEN_STRING)
+    {
+      return G_TOKEN_STRING;
+    }
+
+  g_scanner_get_next_token (scanner);
+
+  if (token == G_TOKEN_IDENTIFIER)
+    {
+      /* this is supposed to parse a literal "NULL" only, but so what... */
+      g_value_set_object (value, NULL);
+    }
+  else
+    {
+      gchar *path = gimp_config_path_expand (scanner->value.v_string, TRUE,
+                                             NULL);
+
+      if (path)
+        {
+          GFile *file = g_file_new_for_path (path);
+
+          g_value_take_object (value, file);
+          g_free (path);
+        }
+      else
+        {
+          g_value_set_object (value, NULL);
+        }
+    }
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_deserialize_any (GValue     *value,
+                             GParamSpec *prop_spec,
+                             GScanner   *scanner)
+{
+  GValue     src = G_VALUE_INIT;
+  GTokenType token;
+
+  if (!g_value_type_transformable (G_TYPE_STRING, prop_spec->value_type))
+    {
+      g_warning ("%s: %s can not be transformed from a string",
+                 G_STRFUNC, g_type_name (prop_spec->value_type));
+      return G_TOKEN_NONE;
+    }
+
+  token = g_scanner_peek_next_token (scanner);
+
+  if (token != G_TOKEN_IDENTIFIER &&
+      token != G_TOKEN_STRING)
+    {
+      return G_TOKEN_IDENTIFIER;
+    }
+
+  g_scanner_get_next_token (scanner);
+
+  g_value_init (&src, G_TYPE_STRING);
+
+  if (token == G_TOKEN_IDENTIFIER)
+    g_value_set_static_string (&src, scanner->value.v_identifier);
+  else
+    g_value_set_static_string (&src, scanner->value.v_string);
+
+  g_value_transform (&src, value);
+  g_value_unset (&src);
+
+  return G_TOKEN_RIGHT_PAREN;
+}
+
+static GTokenType
+gimp_config_skip_unknown_property (GScanner *scanner)
+{
+  gint open_paren = 0;
+
+  while (TRUE)
+    {
+      GTokenType token = g_scanner_peek_next_token (scanner);
+
+      switch (token)
+        {
+        case G_TOKEN_LEFT_PAREN:
+          open_paren++;
+          g_scanner_get_next_token (scanner);
+          break;
+
+        case G_TOKEN_RIGHT_PAREN:
+          if (open_paren == 0)
+            return token;
+
+          open_paren--;
+          g_scanner_get_next_token (scanner);
+          break;
+
+        case G_TOKEN_EOF:
+          return token;
+
+        default:
+          g_scanner_get_next_token (scanner);
+          break;
+        }
+    }
+}
diff --git a/libgimpconfig/gimpconfig-deserialize.h b/libgimpconfig/gimpconfig-deserialize.h
new file mode 100644
index 0000000..271a20d
--- /dev/null
+++ b/libgimpconfig/gimpconfig-deserialize.h
@@ -0,0 +1,44 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Object properties deserialization routines
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_DESERIALIZE_H__
+#define __GIMP_CONFIG_DESERIALIZE_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+gboolean    gimp_config_deserialize_properties (GimpConfig *config,
+                                                GScanner   *scanner,
+                                                gint        nest_level);
+GTokenType  gimp_config_deserialize_property   (GimpConfig *config,
+                                                GScanner   *scanner,
+                                                gint        nest_level);
+
+
+G_END_DECLS
+
+#endif /* __GIMP_CONFIG_DESERIALIZE_H__ */
diff --git a/libgimpconfig/gimpconfig-error.c b/libgimpconfig/gimpconfig-error.c
new file mode 100644
index 0000000..ed57cb0
--- /dev/null
+++ b/libgimpconfig/gimpconfig-error.c
@@ -0,0 +1,51 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Config file serialization and deserialization interface
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <glib.h>
+
+#include "gimpconfig-error.h"
+
+
+/**
+ * SECTION: gimpconfig-error
+ * @title: GimpConfig-error
+ * @short_description: Error utils for libgimpconfig.
+ *
+ * Error utils for libgimpconfig.
+ **/
+
+
+/**
+ * gimp_config_error_quark:
+ *
+ * This function is never called directly. Use GIMP_CONFIG_ERROR() instead.
+ *
+ * Return value: the #GQuark that defines the GimpConfig error domain.
+ *
+ * Since: 2.4
+ **/
+GQuark
+gimp_config_error_quark (void)
+{
+  return g_quark_from_static_string ("gimp-config-error-quark");
+}
diff --git a/libgimpconfig/gimpconfig-error.h b/libgimpconfig/gimpconfig-error.h
new file mode 100644
index 0000000..a20884e
--- /dev/null
+++ b/libgimpconfig/gimpconfig-error.h
@@ -0,0 +1,59 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Copyright (C) 2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_ERROR_H__
+#define __GIMP_CONFIG_ERROR_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+/**
+ * GimpConfigError:
+ * @GIMP_CONFIG_ERROR_OPEN:        open failed
+ * @GIMP_CONFIG_ERROR_OPEN_ENOENT: file does not exist
+ * @GIMP_CONFIG_ERROR_WRITE:       write failed
+ * @GIMP_CONFIG_ERROR_PARSE:       parser error
+ * @GIMP_CONFIG_ERROR_VERSION:     parser failed due to version mismatch
+ *
+ * The possible values of a #GError thrown by libgimpconfig.
+ **/
+typedef enum
+{
+  GIMP_CONFIG_ERROR_OPEN,
+  GIMP_CONFIG_ERROR_OPEN_ENOENT,
+  GIMP_CONFIG_ERROR_WRITE,
+  GIMP_CONFIG_ERROR_PARSE,
+  GIMP_CONFIG_ERROR_VERSION
+} GimpConfigError;
+
+#define GIMP_CONFIG_ERROR (gimp_config_error_quark ())
+
+GQuark        gimp_config_error_quark   (void) G_GNUC_CONST;
+
+
+G_END_DECLS
+
+#endif  /* __GIMP_CONFIG_ERROR_H__ */
diff --git a/libgimpconfig/gimpconfig-iface.c b/libgimpconfig/gimpconfig-iface.c
new file mode 100644
index 0000000..6604aca
--- /dev/null
+++ b/libgimpconfig/gimpconfig-iface.c
@@ -0,0 +1,859 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Config file serialization and deserialization interface
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "gimpconfigtypes.h"
+
+#include "gimpconfigwriter.h"
+#include "gimpconfig-iface.h"
+#include "gimpconfig-deserialize.h"
+#include "gimpconfig-serialize.h"
+#include "gimpconfig-params.h"
+#include "gimpconfig-utils.h"
+#include "gimpscanner.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpconfig-iface
+ * @title: GimpConfig-iface
+ * @short_description: High-level API for libgimpconfig.
+ *
+ * High-level API for libgimpconfig.
+ **/
+
+
+/*
+ * The GimpConfig serialization and deserialization interface.
+ */
+
+
+/*  local function prototypes  */
+
+static void         gimp_config_iface_default_init (GimpConfigInterface *iface);
+static void         gimp_config_iface_base_init    (GimpConfigInterface *iface);
+
+static gboolean     gimp_config_iface_serialize    (GimpConfig          *config,
+                                                    GimpConfigWriter    *writer,
+                                                    gpointer             data);
+static gboolean     gimp_config_iface_deserialize  (GimpConfig          *config,
+                                                    GScanner            *scanner,
+                                                    gint                 nest_level,
+                                                    gpointer             data);
+static GimpConfig * gimp_config_iface_duplicate    (GimpConfig          *config);
+static gboolean     gimp_config_iface_equal        (GimpConfig          *a,
+                                                    GimpConfig          *b);
+static void         gimp_config_iface_reset        (GimpConfig          *config);
+static gboolean     gimp_config_iface_copy         (GimpConfig          *src,
+                                                    GimpConfig          *dest,
+                                                    GParamFlags          flags);
+
+
+/*  private functions  */
+
+
+GType
+gimp_config_get_type (void)
+{
+  static GType config_iface_type = 0;
+
+  if (! config_iface_type)
+    {
+      const GTypeInfo config_iface_info =
+      {
+        sizeof (GimpConfigInterface),
+        (GBaseInitFunc)      gimp_config_iface_base_init,
+        (GBaseFinalizeFunc)  NULL,
+        (GClassInitFunc)     gimp_config_iface_default_init,
+        (GClassFinalizeFunc) NULL,
+      };
+
+      config_iface_type = g_type_register_static (G_TYPE_INTERFACE,
+                                                  "GimpConfigInterface",
+                                                  &config_iface_info,
+                                                  0);
+
+      g_type_interface_add_prerequisite (config_iface_type, G_TYPE_OBJECT);
+    }
+
+  return config_iface_type;
+}
+
+GType
+gimp_config_interface_get_type (void)
+{
+  return gimp_config_get_type ();
+}
+
+static void
+gimp_config_iface_default_init (GimpConfigInterface *iface)
+{
+  iface->serialize   = gimp_config_iface_serialize;
+  iface->deserialize = gimp_config_iface_deserialize;
+  iface->duplicate   = gimp_config_iface_duplicate;
+  iface->equal       = gimp_config_iface_equal;
+  iface->reset       = gimp_config_iface_reset;
+  iface->copy        = gimp_config_iface_copy;
+}
+
+static void
+gimp_config_iface_base_init (GimpConfigInterface *iface)
+{
+  /*  always set these to NULL since we don't want to inherit them
+   *  from parent classes
+   */
+  iface->serialize_property   = NULL;
+  iface->deserialize_property = NULL;
+}
+
+static gboolean
+gimp_config_iface_serialize (GimpConfig       *config,
+                             GimpConfigWriter *writer,
+                             gpointer          data)
+{
+  return gimp_config_serialize_properties (config, writer);
+}
+
+static gboolean
+gimp_config_iface_deserialize (GimpConfig *config,
+                               GScanner   *scanner,
+                               gint        nest_level,
+                               gpointer    data)
+{
+  return gimp_config_deserialize_properties (config, scanner, nest_level);
+}
+
+static GimpConfig *
+gimp_config_iface_duplicate (GimpConfig *config)
+{
+  GObject       *object = G_OBJECT (config);
+  GObjectClass  *klass  = G_OBJECT_GET_CLASS (object);
+  GParamSpec   **property_specs;
+  guint          n_property_specs;
+  gint           n_construct_properties = 0;
+  const gchar  **construct_names        = NULL;
+  GValue        *construct_values       = NULL;
+  guint          i;
+  GObject       *dup;
+
+  property_specs = g_object_class_list_properties (klass, &n_property_specs);
+
+  construct_names  = g_new0 (const gchar *, n_property_specs);
+  construct_values = g_new0 (GValue,        n_property_specs);
+
+  for (i = 0; i < n_property_specs; i++)
+    {
+      GParamSpec *prop_spec = property_specs[i];
+
+      if ((prop_spec->flags & G_PARAM_READABLE) &&
+          (prop_spec->flags & G_PARAM_WRITABLE) &&
+          (prop_spec->flags & G_PARAM_CONSTRUCT_ONLY))
+        {
+          construct_names[n_construct_properties] = prop_spec->name;
+
+          g_value_init (&construct_values[n_construct_properties],
+                        prop_spec->value_type);
+          g_object_get_property (object, prop_spec->name,
+                                 &construct_values[n_construct_properties]);
+
+          n_construct_properties++;
+        }
+    }
+
+  g_free (property_specs);
+
+  dup = g_object_new_with_properties (G_TYPE_FROM_INSTANCE (object),
+                                      n_construct_properties,
+                                      (const gchar **) construct_names,
+                                      (const GValue *) construct_values);
+
+  for (i = 0; i < n_construct_properties; i++)
+    g_value_unset (&construct_values[i]);
+
+  g_free (construct_names);
+  g_free (construct_values);
+
+  gimp_config_copy (config, GIMP_CONFIG (dup), 0);
+
+  return GIMP_CONFIG (dup);
+}
+
+static gboolean
+gimp_config_iface_equal (GimpConfig *a,
+                         GimpConfig *b)
+{
+  GObjectClass  *klass;
+  GParamSpec   **property_specs;
+  guint          n_property_specs;
+  guint          i;
+  gboolean       equal = TRUE;
+
+  klass = G_OBJECT_GET_CLASS (a);
+
+  property_specs = g_object_class_list_properties (klass, &n_property_specs);
+
+  for (i = 0; equal && i < n_property_specs; i++)
+    {
+      GParamSpec  *prop_spec;
+      GValue       a_value = G_VALUE_INIT;
+      GValue       b_value = G_VALUE_INIT;
+
+      prop_spec = property_specs[i];
+
+      if (! (prop_spec->flags & G_PARAM_READABLE))
+        continue;
+
+      g_value_init (&a_value, prop_spec->value_type);
+      g_value_init (&b_value, prop_spec->value_type);
+      g_object_get_property (G_OBJECT (a), prop_spec->name, &a_value);
+      g_object_get_property (G_OBJECT (b), prop_spec->name, &b_value);
+
+      if (g_param_values_cmp (prop_spec, &a_value, &b_value))
+        {
+          if ((prop_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE) &&
+              G_IS_PARAM_SPEC_OBJECT (prop_spec)        &&
+              g_type_interface_peek (g_type_class_peek (prop_spec->value_type),
+                                     GIMP_TYPE_CONFIG))
+            {
+              if (! gimp_config_is_equal_to (g_value_get_object (&a_value),
+                                             g_value_get_object (&b_value)))
+                {
+                  equal = FALSE;
+                }
+            }
+          else
+            {
+              equal = FALSE;
+            }
+        }
+
+      g_value_unset (&a_value);
+      g_value_unset (&b_value);
+    }
+
+  g_free (property_specs);
+
+  return equal;
+}
+
+static void
+gimp_config_iface_reset (GimpConfig *config)
+{
+  gimp_config_reset_properties (G_OBJECT (config));
+}
+
+static gboolean
+gimp_config_iface_copy (GimpConfig  *src,
+                        GimpConfig  *dest,
+                        GParamFlags  flags)
+{
+  return gimp_config_sync (G_OBJECT (src), G_OBJECT (dest), flags);
+}
+
+
+/*  public functions  */
+
+
+/**
+ * gimp_config_serialize_to_file:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @filename: the name of the file to write the configuration to.
+ * @header: optional file header (must be ASCII only)
+ * @footer: optional file footer (must be ASCII only)
+ * @data: user data passed to the serialize implementation.
+ * @error: return location for a possible error
+ *
+ * Serializes the object properties of @config to the file specified
+ * by @filename. If a file with that name already exists, it is
+ * overwritten. Basically this function opens @filename for you and
+ * calls the serialize function of the @config's #GimpConfigInterface.
+ *
+ * Return value: %TRUE if serialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_serialize_to_file (GimpConfig   *config,
+                               const gchar  *filename,
+                               const gchar  *header,
+                               const gchar  *footer,
+                               gpointer      data,
+                               GError      **error)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (filename != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  writer = gimp_config_writer_new_file (filename, TRUE, header, error);
+  if (!writer)
+    return FALSE;
+
+  GIMP_CONFIG_GET_INTERFACE (config)->serialize (config, writer, data);
+
+  return gimp_config_writer_finish (writer, footer, error);
+}
+
+/**
+ * gimp_config_serialize_to_gfile:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @file:   the #GFile to write the configuration to.
+ * @header: optional file header (must be ASCII only)
+ * @footer: optional file footer (must be ASCII only)
+ * @data: user data passed to the serialize implementation.
+ * @error: return location for a possible error
+ *
+ * Serializes the object properties of @config to the file specified
+ * by @file. If a file with that name already exists, it is
+ * overwritten. Basically this function opens @file for you and calls
+ * the serialize function of the @config's #GimpConfigInterface.
+ *
+ * Return value: %TRUE if serialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_config_serialize_to_gfile (GimpConfig   *config,
+                                GFile        *file,
+                                const gchar  *header,
+                                const gchar  *footer,
+                                gpointer      data,
+                                GError      **error)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (G_IS_FILE (file), FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  writer = gimp_config_writer_new_gfile (file, TRUE, header, error);
+  if (!writer)
+    return FALSE;
+
+  GIMP_CONFIG_GET_INTERFACE (config)->serialize (config, writer, data);
+
+  return gimp_config_writer_finish (writer, footer, error);
+}
+
+/**
+ * gimp_config_serialize_to_stream:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @output: the #GOutputStream to write the configuration to.
+ * @header: optional file header (must be ASCII only)
+ * @footer: optional file footer (must be ASCII only)
+ * @data: user data passed to the serialize implementation.
+ * @error: return location for a possible error
+ *
+ * Serializes the object properties of @config to the stream specified
+ * by @output.
+ *
+ * Return value: %TRUE if serialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_config_serialize_to_stream (GimpConfig     *config,
+                                 GOutputStream  *output,
+                                 const gchar    *header,
+                                 const gchar    *footer,
+                                 gpointer        data,
+                                 GError        **error)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (G_IS_OUTPUT_STREAM (output), FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  writer = gimp_config_writer_new_stream (output, header, error);
+  if (!writer)
+    return FALSE;
+
+  GIMP_CONFIG_GET_INTERFACE (config)->serialize (config, writer, data);
+
+  return gimp_config_writer_finish (writer, footer, error);
+}
+
+/**
+ * gimp_config_serialize_to_fd:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @fd: a file descriptor, opened for writing
+ * @data: user data passed to the serialize implementation.
+ *
+ * Serializes the object properties of @config to the given file
+ * descriptor.
+ *
+ * Return value: %TRUE if serialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_serialize_to_fd (GimpConfig *config,
+                             gint        fd,
+                             gpointer    data)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (fd > 0, FALSE);
+
+  writer = gimp_config_writer_new_fd (fd);
+  if (!writer)
+    return FALSE;
+
+  GIMP_CONFIG_GET_INTERFACE (config)->serialize (config, writer, data);
+
+  return gimp_config_writer_finish (writer, NULL, NULL);
+}
+
+/**
+ * gimp_config_serialize_to_string:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @data: user data passed to the serialize implementation.
+ *
+ * Serializes the object properties of @config to a string.
+ *
+ * Return value: a newly allocated NUL-terminated string.
+ *
+ * Since: 2.4
+ **/
+gchar *
+gimp_config_serialize_to_string (GimpConfig *config,
+                                 gpointer    data)
+{
+  GimpConfigWriter *writer;
+  GString          *str;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), NULL);
+
+  str = g_string_new (NULL);
+  writer = gimp_config_writer_new_string (str);
+
+  GIMP_CONFIG_GET_INTERFACE (config)->serialize (config, writer, data);
+
+  gimp_config_writer_finish (writer, NULL, NULL);
+
+  return g_string_free (str, FALSE);
+}
+
+/**
+ * gimp_config_deserialize_file:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @filename: the name of the file to read configuration from.
+ * @data: user data passed to the deserialize implementation.
+ * @error: return location for a possible error
+ *
+ * Opens the file specified by @filename, reads configuration data
+ * from it and configures @config accordingly. Basically this function
+ * creates a properly configured #GScanner for you and calls the
+ * deserialize function of the @config's #GimpConfigInterface.
+ *
+ * Return value: %TRUE if deserialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_deserialize_file (GimpConfig   *config,
+                              const gchar  *filename,
+                              gpointer      data,
+                              GError      **error)
+{
+  GScanner *scanner;
+  gboolean  success;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (filename != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  scanner = gimp_scanner_new_file (filename, error);
+  if (! scanner)
+    return FALSE;
+
+  g_object_freeze_notify (G_OBJECT (config));
+
+  success = GIMP_CONFIG_GET_INTERFACE (config)->deserialize (config,
+                                                             scanner, 0, data);
+
+  g_object_thaw_notify (G_OBJECT (config));
+
+  gimp_scanner_destroy (scanner);
+
+  if (! success)
+    g_assert (error == NULL || *error != NULL);
+
+  return success;
+}
+
+/**
+ * gimp_config_deserialize_gfile:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @file: the #GFile to read configuration from.
+ * @data: user data passed to the deserialize implementation.
+ * @error: return location for a possible error
+ *
+ * Opens the file specified by @file, reads configuration data from it
+ * and configures @config accordingly. Basically this function creates
+ * a properly configured #GScanner for you and calls the deserialize
+ * function of the @config's #GimpConfigInterface.
+ *
+ * Return value: %TRUE if deserialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_config_deserialize_gfile (GimpConfig  *config,
+                               GFile       *file,
+                               gpointer     data,
+                               GError     **error)
+{
+  GScanner *scanner;
+  gboolean  success;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (G_IS_FILE (file), FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  scanner = gimp_scanner_new_gfile (file, error);
+  if (! scanner)
+    return FALSE;
+
+  g_object_freeze_notify (G_OBJECT (config));
+
+  success = GIMP_CONFIG_GET_INTERFACE (config)->deserialize (config,
+                                                             scanner, 0, data);
+
+  g_object_thaw_notify (G_OBJECT (config));
+
+  gimp_scanner_destroy (scanner);
+
+  if (! success)
+    g_assert (error == NULL || *error != NULL);
+
+  return success;
+}
+
+/**
+ * gimp_config_deserialize_stream:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @input: the #GInputStream to read configuration from.
+ * @data: user data passed to the deserialize implementation.
+ * @error: return location for a possible error
+ *
+ * Reads configuration data from @input and configures @config
+ * accordingly. Basically this function creates a properly configured
+ * #GScanner for you and calls the deserialize function of the
+ * @config's #GimpConfigInterface.
+ *
+ * Return value: %TRUE if deserialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_config_deserialize_stream (GimpConfig    *config,
+                                GInputStream  *input,
+                                gpointer       data,
+                                GError       **error)
+{
+  GScanner *scanner;
+  gboolean  success;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (G_IS_INPUT_STREAM (input), FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  scanner = gimp_scanner_new_stream (input, error);
+  if (! scanner)
+    return FALSE;
+
+  g_object_freeze_notify (G_OBJECT (config));
+
+  success = GIMP_CONFIG_GET_INTERFACE (config)->deserialize (config,
+                                                             scanner, 0, data);
+
+  g_object_thaw_notify (G_OBJECT (config));
+
+  gimp_scanner_destroy (scanner);
+
+  if (! success)
+    g_assert (error == NULL || *error != NULL);
+
+  return success;
+}
+
+/**
+ * gimp_config_deserialize_string:
+ * @config:   a #GObject that implements the #GimpConfigInterface.
+ * @text:     string to deserialize (in UTF-8 encoding)
+ * @text_len: length of @text in bytes or -1
+ * @data:     client data
+ * @error:    return location for a possible error
+ *
+ * Configures @config from @text. Basically this function creates a
+ * properly configured #GScanner for you and calls the deserialize
+ * function of the @config's #GimpConfigInterface.
+ *
+ * Returns: %TRUE if deserialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_deserialize_string (GimpConfig      *config,
+                                const gchar  *text,
+                                gint          text_len,
+                                gpointer      data,
+                                GError      **error)
+{
+  GScanner *scanner;
+  gboolean  success;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+  g_return_val_if_fail (text != NULL || text_len == 0, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  scanner = gimp_scanner_new_string (text, text_len, error);
+
+  g_object_freeze_notify (G_OBJECT (config));
+
+  success = GIMP_CONFIG_GET_INTERFACE (config)->deserialize (config,
+                                                             scanner, 0, data);
+
+  g_object_thaw_notify (G_OBJECT (config));
+
+  gimp_scanner_destroy (scanner);
+
+  if (! success)
+    g_assert (error == NULL || *error != NULL);
+
+  return success;
+}
+
+/**
+ * gimp_config_deserialize_return:
+ * @scanner:        a #GScanner
+ * @expected_token: the expected token
+ * @nest_level:     the nest level
+ *
+ * Returns:
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_deserialize_return (GScanner     *scanner,
+                                GTokenType    expected_token,
+                                gint          nest_level)
+{
+  GTokenType next_token;
+
+  g_return_val_if_fail (scanner != NULL, FALSE);
+
+  next_token = g_scanner_peek_next_token (scanner);
+
+  if (expected_token != G_TOKEN_LEFT_PAREN)
+    {
+      g_scanner_get_next_token (scanner);
+      g_scanner_unexp_token (scanner, expected_token, NULL, NULL, NULL,
+                             _("fatal parse error"), TRUE);
+      return FALSE;
+    }
+  else
+    {
+      if (nest_level > 0 && next_token == G_TOKEN_RIGHT_PAREN)
+        {
+          return TRUE;
+        }
+      else if (next_token != G_TOKEN_EOF)
+        {
+          g_scanner_get_next_token (scanner);
+          g_scanner_unexp_token (scanner, expected_token, NULL, NULL, NULL,
+                                 _("fatal parse error"), TRUE);
+          return FALSE;
+        }
+    }
+
+  return TRUE;
+}
+
+
+/**
+ * gimp_config_serialize:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @writer: the #GimpConfigWriter to use.
+ * @data: client data
+ *
+ * Serialize the #GimpConfig object.
+ *
+ * Returns: %TRUE if serialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.8
+ **/
+gboolean
+gimp_config_serialize (GimpConfig       *config,
+                       GimpConfigWriter *writer,
+                       gpointer          data)
+{
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+
+  return GIMP_CONFIG_GET_INTERFACE (config)->serialize (config,
+                                                        writer,
+                                                        data);
+}
+
+/**
+ * gimp_config_deserialize:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ * @scanner: the #GScanner to use.
+ * @nest_level: the nest level.
+ * @data: client data.
+ *
+ * Deserialize the #GimpConfig object.
+ *
+ * Returns: %TRUE if deserialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.8
+ **/
+gboolean
+gimp_config_deserialize (GimpConfig *config,
+                         GScanner   *scanner,
+                         gint        nest_level,
+                         gpointer    data)
+{
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), FALSE);
+
+  return GIMP_CONFIG_GET_INTERFACE (config)->deserialize (config,
+                                                          scanner,
+                                                          nest_level,
+                                                          data);
+}
+
+/**
+ * gimp_config_duplicate:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ *
+ * Creates a copy of the passed object by copying all object
+ * properties. The default implementation of the #GimpConfigInterface
+ * only works for objects that are completely defined by their
+ * properties.
+ *
+ * Return value: the duplicated #GimpConfig object
+ *
+ * Since: 2.4
+ **/
+gpointer
+gimp_config_duplicate (GimpConfig *config)
+{
+  g_return_val_if_fail (GIMP_IS_CONFIG (config), NULL);
+
+  return GIMP_CONFIG_GET_INTERFACE (config)->duplicate (config);
+}
+
+/**
+ * gimp_config_is_equal_to:
+ * @a: a #GObject that implements the #GimpConfigInterface.
+ * @b: another #GObject of the same type as @a.
+ *
+ * Compares the two objects. The default implementation of the
+ * #GimpConfigInterface compares the object properties and thus only
+ * works for objects that are completely defined by their
+ * properties.
+ *
+ * Return value: %TRUE if the two objects are equal.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_is_equal_to (GimpConfig *a,
+                         GimpConfig *b)
+{
+  g_return_val_if_fail (GIMP_IS_CONFIG (a), FALSE);
+  g_return_val_if_fail (GIMP_IS_CONFIG (b), FALSE);
+  g_return_val_if_fail (G_TYPE_FROM_INSTANCE (a) == G_TYPE_FROM_INSTANCE (b),
+                        FALSE);
+
+  return GIMP_CONFIG_GET_INTERFACE (a)->equal (a, b);
+}
+
+/**
+ * gimp_config_reset:
+ * @config: a #GObject that implements the #GimpConfigInterface.
+ *
+ * Resets the object to its default state. The default implementation of the
+ * #GimpConfigInterface only works for objects that are completely defined by
+ * their properties.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_reset (GimpConfig *config)
+{
+  g_return_if_fail (GIMP_IS_CONFIG (config));
+
+  g_object_freeze_notify (G_OBJECT (config));
+
+  GIMP_CONFIG_GET_INTERFACE (config)->reset (config);
+
+  g_object_thaw_notify (G_OBJECT (config));
+}
+
+/**
+ * gimp_config_copy:
+ * @src: a #GObject that implements the #GimpConfigInterface.
+ * @dest: another #GObject of the same type as @a.
+ * @flags: a mask of GParamFlags
+ *
+ * Compares all read- and write-able properties from @src and @dest
+ * that have all @flags set. Differing values are then copied from
+ * @src to @dest. If @flags is 0, all differing read/write properties.
+ *
+ * Properties marked as "construct-only" are not touched.
+ *
+ * Return value: %TRUE if @dest was modified, %FALSE otherwise
+ *
+ * Since: 2.6
+ **/
+gboolean
+gimp_config_copy (GimpConfig  *src,
+                  GimpConfig  *dest,
+                  GParamFlags  flags)
+{
+  gboolean changed;
+
+  g_return_val_if_fail (GIMP_IS_CONFIG (src), FALSE);
+  g_return_val_if_fail (GIMP_IS_CONFIG (dest), FALSE);
+  g_return_val_if_fail (G_TYPE_FROM_INSTANCE (src) == G_TYPE_FROM_INSTANCE (dest),
+                        FALSE);
+
+  g_object_freeze_notify (G_OBJECT (dest));
+
+  changed = GIMP_CONFIG_GET_INTERFACE (src)->copy (src, dest, flags);
+
+  g_object_thaw_notify (G_OBJECT (dest));
+
+  return changed;
+}
diff --git a/libgimpconfig/gimpconfig-iface.h b/libgimpconfig/gimpconfig-iface.h
new file mode 100644
index 0000000..eae41b5
--- /dev/null
+++ b/libgimpconfig/gimpconfig-iface.h
@@ -0,0 +1,141 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Config file serialization and deserialization interface
+ * Copyright (C) 2001-2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_IFACE_H__
+#define __GIMP_CONFIG_IFACE_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+#define GIMP_TYPE_CONFIG               (gimp_config_get_type ())
+#define GIMP_IS_CONFIG(obj)            (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CONFIG))
+#define GIMP_CONFIG(obj)               (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CONFIG, GimpConfig))
+#define GIMP_CONFIG_GET_INTERFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), GIMP_TYPE_CONFIG, GimpConfigInterface))
+
+
+typedef struct _GimpConfigInterface GimpConfigInterface;
+
+struct _GimpConfigInterface
+{
+  GTypeInterface base_iface;
+
+  gboolean     (* serialize)            (GimpConfig       *config,
+                                         GimpConfigWriter *writer,
+                                         gpointer          data);
+  gboolean     (* deserialize)          (GimpConfig       *config,
+                                         GScanner         *scanner,
+                                         gint              nest_level,
+                                         gpointer          data);
+  gboolean     (* serialize_property)   (GimpConfig       *config,
+                                         guint             property_id,
+                                         const GValue     *value,
+                                         GParamSpec       *pspec,
+                                         GimpConfigWriter *writer);
+  gboolean     (* deserialize_property) (GimpConfig       *config,
+                                         guint             property_id,
+                                         GValue           *value,
+                                         GParamSpec       *pspec,
+                                         GScanner         *scanner,
+                                         GTokenType       *expected);
+  GimpConfig * (* duplicate)            (GimpConfig       *config);
+  gboolean     (* equal)                (GimpConfig       *a,
+                                         GimpConfig       *b);
+  void         (* reset)                (GimpConfig       *config);
+  gboolean     (* copy)                 (GimpConfig       *src,
+                                         GimpConfig       *dest,
+                                         GParamFlags       flags);
+};
+
+
+GType      gimp_config_get_type            (void) G_GNUC_CONST;
+
+GIMP_DEPRECATED_FOR (gimp_config_get_type)
+GType      gimp_config_interface_get_type  (void) G_GNUC_CONST;
+
+gboolean   gimp_config_serialize_to_file   (GimpConfig       *config,
+                                            const gchar      *filename,
+                                            const gchar      *header,
+                                            const gchar      *footer,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_serialize_to_gfile  (GimpConfig       *config,
+                                            GFile            *file,
+                                            const gchar      *header,
+                                            const gchar      *footer,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_serialize_to_stream (GimpConfig       *config,
+                                            GOutputStream    *output,
+                                            const gchar      *header,
+                                            const gchar      *footer,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_serialize_to_fd     (GimpConfig       *config,
+                                            gint              fd,
+                                            gpointer          data);
+gchar    * gimp_config_serialize_to_string (GimpConfig       *config,
+                                            gpointer          data);
+gboolean   gimp_config_deserialize_file    (GimpConfig       *config,
+                                            const gchar      *filename,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_deserialize_gfile   (GimpConfig       *config,
+                                            GFile            *file,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_deserialize_stream  (GimpConfig       *config,
+                                            GInputStream     *input,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_deserialize_string  (GimpConfig       *config,
+                                            const gchar      *text,
+                                            gint              text_len,
+                                            gpointer          data,
+                                            GError          **error);
+gboolean   gimp_config_deserialize_return  (GScanner         *scanner,
+                                            GTokenType        expected_token,
+                                            gint              nest_level);
+
+gboolean   gimp_config_serialize           (GimpConfig       *config,
+                                            GimpConfigWriter *writer,
+                                            gpointer          data);
+gboolean   gimp_config_deserialize         (GimpConfig       *config,
+                                            GScanner         *scanner,
+                                            gint              nest_level,
+                                            gpointer          data);
+gpointer   gimp_config_duplicate           (GimpConfig       *config);
+gboolean   gimp_config_is_equal_to         (GimpConfig       *a,
+                                            GimpConfig       *b);
+void       gimp_config_reset               (GimpConfig       *config);
+gboolean   gimp_config_copy                (GimpConfig       *src,
+                                            GimpConfig       *dest,
+                                            GParamFlags       flags);
+
+
+G_END_DECLS
+
+#endif  /* __GIMP_CONFIG_IFACE_H__ */
diff --git a/libgimpconfig/gimpconfig-params.h b/libgimpconfig/gimpconfig-params.h
new file mode 100644
index 0000000..e63631a
--- /dev/null
+++ b/libgimpconfig/gimpconfig-params.h
@@ -0,0 +1,240 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * ParamSpecs for config objects
+ * Copyright (C) 2001  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_PARAMS_H__
+#define __GIMP_CONFIG_PARAMS_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+/**
+ * SECTION: gimpconfig-params
+ * @title: GimpConfig-params
+ * @short_description: Macros and defines to install config properties.
+ *
+ * Macros and defines to install config properties.
+ **/
+
+
+/*
+ * GIMP_CONFIG_PARAM_SERIALIZE - A property that can and should be
+ *                               serialized and deserialized.
+ * GIMP_CONFIG_PARAM_AGGREGATE - The object property is to be treated as
+ *                               part of the parent object.
+ * GIMP_CONFIG_PARAM_RESTART   - Changes to this property take effect only
+ *                               after a restart.
+ * GIMP_CONFIG_PARAM_CONFIRM   - Changes to this property should be
+ *                               confirmed by the user before being applied.
+ * GIMP_CONFIG_PARAM_DEFAULTS  - Don't serialize this property if it has the
+ *                               default value.
+ * GIMP_CONFIG_PARAM_IGNORE    - This property exists for obscure reasons
+ *                               or is needed for backward compatibility.
+ *                               Ignore the value read and don't serialize it.
+ */
+
+#define GIMP_CONFIG_PARAM_SERIALIZE    (1 << (0 + G_PARAM_USER_SHIFT))
+#define GIMP_CONFIG_PARAM_AGGREGATE    (1 << (1 + G_PARAM_USER_SHIFT))
+#define GIMP_CONFIG_PARAM_RESTART      (1 << (2 + G_PARAM_USER_SHIFT))
+#define GIMP_CONFIG_PARAM_CONFIRM      (1 << (3 + G_PARAM_USER_SHIFT))
+#define GIMP_CONFIG_PARAM_DEFAULTS     (1 << (4 + G_PARAM_USER_SHIFT))
+#define GIMP_CONFIG_PARAM_IGNORE       (1 << (5 + G_PARAM_USER_SHIFT))
+
+#define GIMP_CONFIG_PARAM_FLAGS (G_PARAM_READWRITE | \
+                                 G_PARAM_CONSTRUCT | \
+                                 GIMP_CONFIG_PARAM_SERIALIZE)
+
+
+
+/* some convenience macros to install object properties */
+
+#define GIMP_CONFIG_PROP_BOOLEAN(class, id, name, nick, blurb, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_boolean (name, nick, blurb,\
+                                   default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_INT(class, id, name, nick, blurb, min, max, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_int (name, nick, blurb,\
+                                   min, max, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_UINT(class, id, name, nick, blurb, min, max, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_uint (name, nick, blurb,\
+                                   min, max, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_INT64(class, id, name, nick, blurb, min, max, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_int64 (name, nick, blurb,\
+                                   min, max, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_UINT64(class, id, name, nick, blurb, min, max, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_uint64 (name, nick, blurb,\
+                                   min, max, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_UNIT(class, id, name, nick, blurb, pixels, percent, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   gimp_param_spec_unit (name, nick, blurb,\
+                                   pixels, percent, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_MEMSIZE(class, id, name, nick, blurb, min, max, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   gimp_param_spec_memsize (name, nick, blurb,\
+                                   min, max, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_DOUBLE(class, id, name, nick, blurb, min, max, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_double (name, nick, blurb,\
+                                   min, max, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_RESOLUTION(class, id, name, nick, blurb, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_double (name, nick, blurb,\
+                                   GIMP_MIN_RESOLUTION, GIMP_MAX_RESOLUTION, \
+                                   default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_ENUM(class, id, name, nick, blurb, enum_type, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_enum (name, nick, blurb,\
+                                   enum_type, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_STRING(class, id, name, nick, blurb, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_string (name, nick, blurb,\
+                                   default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_PATH(class, id, name, nick, blurb, path_type, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   gimp_param_spec_config_path (name, nick, blurb,\
+                                   path_type, default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_RGB(class, id, name, nick, blurb, has_alpha, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   gimp_param_spec_rgb (name, nick, blurb,\
+                                   has_alpha, default, \
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+#define GIMP_CONFIG_PROP_MATRIX2(class, id, name, nick, blurb, default, flags) \
+  g_object_class_install_property (class, id,\
+                                   gimp_param_spec_matrix2 (name, nick, blurb,\
+                                   default,\
+                                   flags | GIMP_CONFIG_PARAM_FLAGS))
+
+
+/*  object, boxed and pointer properties are _not_ G_PARAM_CONSTRUCT  */
+
+#define GIMP_CONFIG_PROP_OBJECT(class, id, name, nick, blurb, object_type, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_object (name, nick, blurb,\
+                                   object_type,\
+                                   flags |\
+                                   G_PARAM_READWRITE |\
+                                   GIMP_CONFIG_PARAM_SERIALIZE))
+
+#define GIMP_CONFIG_PROP_BOXED(class, id, name, nick, blurb, boxed_type, flags) \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_boxed (name, nick, blurb,\
+                                   boxed_type,\
+                                   flags |\
+                                   G_PARAM_READWRITE |\
+                                   GIMP_CONFIG_PARAM_SERIALIZE))
+
+#define GIMP_CONFIG_PROP_POINTER(class, id, name, nick, blurb, flags)    \
+  g_object_class_install_property (class, id,\
+                                   g_param_spec_pointer (name, nick, blurb,\
+                                   flags |\
+                                   G_PARAM_READWRITE |\
+                                   GIMP_CONFIG_PARAM_SERIALIZE))
+
+
+/*  deprecated macros, they all lack the "nick" parameter  */
+
+#ifndef GIMP_DISABLE_DEPRECATED
+
+#define GIMP_CONFIG_INSTALL_PROP_BOOLEAN(class, id, name, blurb, default, flags) \
+  GIMP_CONFIG_PROP_BOOLEAN(class, id, name, NULL, blurb, default, flags);
+
+#define GIMP_CONFIG_INSTALL_PROP_INT(class, id, name, blurb, min, max, default, flags) \
+  GIMP_CONFIG_PROP_INT(class, id, name, NULL, blurb, min, max, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_UINT(class, id, name, blurb, min, max, default, flags) \
+  GIMP_CONFIG_PROP_UINT(class, id, name, NULL, blurb, min, max, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_UNIT(class, id, name, blurb, pixels, percent, default, flags) \
+  GIMP_CONFIG_PROP_UNIT(class, id, name, NULL, blurb, pixels, percent, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_MEMSIZE(class, id, name, blurb, min, max, default, flags) \
+  GIMP_CONFIG_PROP_MEMSIZE(class, id, name, NULL, blurb, min, max, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_DOUBLE(class, id, name, blurb, min, max, default, flags) \
+  GIMP_CONFIG_PROP_DOUBLE(class, id, name, NULL, blurb, min, max, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_RESOLUTION(class, id, name, blurb, default, flags) \
+  GIMP_CONFIG_PROP_RESOLUTION(class, id, name, NULL, blurb, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_ENUM(class, id, name, blurb, enum_type, default, flags) \
+  GIMP_CONFIG_PROP_ENUM(class, id, name, NULL, blurb, enum_type, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_STRING(class, id, name, blurb, default, flags) \
+  GIMP_CONFIG_PROP_STRING(class, id, name, NULL, blurb, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_PATH(class, id, name, blurb, path_type, default, flags) \
+  GIMP_CONFIG_PROP_PATH(class, id, name, NULL, blurb, path_type, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_RGB(class, id, name, blurb, has_alpha, default, flags) \
+  GIMP_CONFIG_PROP_RGB(class, id, name, NULL, blurb, has_alpha, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_MATRIX2(class, id, name, blurb, default, flags) \
+  GIMP_CONFIG_PROP_MATRIX2(class, id, name, NULL, blurb, default, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_OBJECT(class, id, name, blurb, object_type, flags) \
+  GIMP_CONFIG_PROP_OBJECT(class, id, name, NULL, blurb, object_type, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_BOXED(class, id, name, blurb, boxed_type, flags) \
+  GIMP_CONFIG_PROP_BOXED(class, id, name, NULL, blurb, boxed_type, flags)
+
+#define GIMP_CONFIG_INSTALL_PROP_POINTER(class, id, name, blurb, flags) \
+  GIMP_CONFIG_PROP_POINTER(class, id, name, NULL, blurb, flags)
+
+#endif /* GIMP_DISABLE_DEPRECATED */
+
+
+G_END_DECLS
+
+#endif /* __GIMP_CONFIG_PARAMS_H__ */
diff --git a/libgimpconfig/gimpconfig-path.c b/libgimpconfig/gimpconfig-path.c
new file mode 100644
index 0000000..8d87e4a
--- /dev/null
+++ b/libgimpconfig/gimpconfig-path.c
@@ -0,0 +1,720 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * gimpconfig-path.c
+ * Copyright (C) 2001  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <string.h>
+
+#include <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "gimpconfig-error.h"
+#include "gimpconfig-path.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpconfig-path
+ * @title: GimpConfig-path
+ * @short_description: File path utilities for libgimpconfig.
+ *
+ * File path utilities for libgimpconfig.
+ **/
+
+
+/**
+ * gimp_config_path_get_type:
+ *
+ * Reveals the object type
+ *
+ * Returns: the #GType for a GimpConfigPath string property
+ *
+ * Since: 2.4
+ **/
+GType
+gimp_config_path_get_type (void)
+{
+  static GType path_type = 0;
+
+  if (! path_type)
+    {
+      const GTypeInfo type_info = { 0, };
+
+      path_type = g_type_register_static (G_TYPE_STRING, "GimpConfigPath",
+                                          &type_info, 0);
+    }
+
+  return path_type;
+}
+
+
+/*
+ * GIMP_TYPE_PARAM_CONFIG_PATH
+ */
+
+#define GIMP_PARAM_SPEC_CONFIG_PATH(pspec) (G_TYPE_CHECK_INSTANCE_CAST ((pspec), GIMP_TYPE_PARAM_CONFIG_PATH, GimpParamSpecConfigPath))
+
+typedef struct _GimpParamSpecConfigPath GimpParamSpecConfigPath;
+
+struct _GimpParamSpecConfigPath
+{
+  GParamSpecString    parent_instance;
+
+  GimpConfigPathType  type;
+};
+
+static void  gimp_param_config_path_class_init (GParamSpecClass *class);
+
+/**
+ * gimp_param_config_path_get_type:
+ *
+ * Reveals the object type
+ *
+ * Returns: the #GType for a directory path object
+ *
+ * Since: 2.4
+ **/
+GType
+gimp_param_config_path_get_type (void)
+{
+  static GType spec_type = 0;
+
+  if (! spec_type)
+    {
+      const GTypeInfo type_info =
+      {
+        sizeof (GParamSpecClass),
+        NULL, NULL,
+        (GClassInitFunc) gimp_param_config_path_class_init,
+        NULL, NULL,
+        sizeof (GimpParamSpecConfigPath),
+        0, NULL, NULL
+      };
+
+      spec_type = g_type_register_static (G_TYPE_PARAM_STRING,
+                                          "GimpParamConfigPath",
+                                          &type_info, 0);
+    }
+
+  return spec_type;
+}
+
+static void
+gimp_param_config_path_class_init (GParamSpecClass *class)
+{
+  class->value_type = GIMP_TYPE_CONFIG_PATH;
+}
+
+/**
+ * gimp_param_spec_config_path:
+ * @name:          Canonical name of the param
+ * @nick:          Nickname of the param
+ * @blurb:         Brief description of param.
+ * @type:          a #GimpConfigPathType value.
+ * @default_value: Value to use if none is assigned.
+ * @flags:         a combination of #GParamFlags
+ *
+ * Creates a param spec to hold a filename, dir name,
+ * or list of file or dir names.
+ * See g_param_spec_internal() for more information.
+ *
+ * Returns: a newly allocated #GParamSpec instance
+ *
+ * Since: 2.4
+ **/
+GParamSpec *
+gimp_param_spec_config_path (const gchar        *name,
+                             const gchar        *nick,
+                             const gchar        *blurb,
+                             GimpConfigPathType  type,
+                             const gchar        *default_value,
+                             GParamFlags         flags)
+{
+  GParamSpecString *pspec;
+
+  pspec = g_param_spec_internal (GIMP_TYPE_PARAM_CONFIG_PATH,
+                                 name, nick, blurb, flags);
+
+  pspec->default_value = g_strdup (default_value);
+
+  GIMP_PARAM_SPEC_CONFIG_PATH (pspec)->type = type;
+
+  return G_PARAM_SPEC (pspec);
+}
+
+/**
+ * gimp_param_spec_config_path_type:
+ * @pspec:         A #GParamSpec for a path param
+ *
+ * Tells whether the path param encodes a filename,
+ * dir name, or list of file or dir names.
+ *
+ * Returns: a #GimpConfigPathType value
+ *
+ * Since: 2.4
+ **/
+GimpConfigPathType
+gimp_param_spec_config_path_type (GParamSpec *pspec)
+{
+  g_return_val_if_fail (GIMP_IS_PARAM_SPEC_CONFIG_PATH (pspec), 0);
+
+  return GIMP_PARAM_SPEC_CONFIG_PATH (pspec)->type;
+}
+
+
+/*
+ * GimpConfig path utilities
+ */
+
+static gchar        * gimp_config_path_expand_only   (const gchar  *path,
+                                                      GError      **error) G_GNUC_MALLOC;
+static inline gchar * gimp_config_path_extract_token (const gchar **str);
+static gchar        * gimp_config_path_unexpand_only (const gchar  *path) G_GNUC_MALLOC;
+
+
+/**
+ * gimp_config_build_data_path:
+ * @name: directory name (in UTF-8 encoding)
+ *
+ * Creates a search path as it is used in the gimprc file.  The path
+ * returned by gimp_config_build_data_path() includes a directory
+ * below the user's gimp directory and one in the system-wide data
+ * directory.
+ *
+ * Note that you cannot use this path directly with gimp_path_parse().
+ * As it is in the gimprc notation, you first need to expand and
+ * recode it using gimp_config_path_expand().
+ *
+ * Returns: a newly allocated string
+ *
+ * Since: 2.4
+ **/
+gchar *
+gimp_config_build_data_path (const gchar *name)
+{
+  return g_strconcat ("${gimp_dir}", G_DIR_SEPARATOR_S, name,
+                      G_SEARCHPATH_SEPARATOR_S,
+                      "${gimp_data_dir}", G_DIR_SEPARATOR_S, name,
+                      NULL);
+}
+
+/**
+ * gimp_config_build_plug_in_path:
+ * @name: directory name (in UTF-8 encoding)
+ *
+ * Creates a search path as it is used in the gimprc file.  The path
+ * returned by gimp_config_build_plug_in_path() includes a directory
+ * below the user's gimp directory and one in the system-wide plug-in
+ * directory.
+ *
+ * Note that you cannot use this path directly with gimp_path_parse().
+ * As it is in the gimprc notation, you first need to expand and
+ * recode it using gimp_config_path_expand().
+ *
+ * Returns: a newly allocated string
+ *
+ * Since: 2.4
+ **/
+gchar *
+gimp_config_build_plug_in_path (const gchar *name)
+{
+  return g_strconcat ("${gimp_dir}", G_DIR_SEPARATOR_S, name,
+                      G_SEARCHPATH_SEPARATOR_S,
+                      "${gimp_plug_in_dir}", G_DIR_SEPARATOR_S, name,
+                      NULL);
+}
+
+/**
+ * gimp_config_build_writable_path:
+ * @name: directory name (in UTF-8 encoding)
+ *
+ * Creates a search path as it is used in the gimprc file.  The path
+ * returned by gimp_config_build_writable_path() is just the writable
+ * parts of the search path constructed by gimp_config_build_data_path().
+ *
+ * Note that you cannot use this path directly with gimp_path_parse().
+ * As it is in the gimprc notation, you first need to expand and
+ * recode it using gimp_config_path_expand().
+ *
+ * Returns: a newly allocated string
+ *
+ * Since: 2.4
+ **/
+gchar *
+gimp_config_build_writable_path (const gchar *name)
+{
+  return g_strconcat ("${gimp_dir}", G_DIR_SEPARATOR_S, name, NULL);
+}
+
+
+/**
+ * gimp_config_path_expand:
+ * @path:   a NUL-terminated string in UTF-8 encoding
+ * @recode: whether to convert to the filesystem's encoding
+ * @error:  return location for errors
+ *
+ * Paths as stored in gimprc and other config files have to be treated
+ * special.  The string may contain special identifiers such as for
+ * example ${gimp_dir} that have to be substituted before use. Also
+ * the user's filesystem may be in a different encoding than UTF-8
+ * (which is what is used for the gimprc). This function does the
+ * variable substitution for you and can also attempt to convert to
+ * the filesystem encoding.
+ *
+ * To reverse the expansion, use gimp_config_path_unexpand().
+ *
+ * Return value: a newly allocated NUL-terminated string
+ *
+ * Since: 2.4
+ **/
+gchar *
+gimp_config_path_expand (const gchar  *path,
+                         gboolean      recode,
+                         GError      **error)
+{
+  g_return_val_if_fail (path != NULL, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (recode)
+    {
+      gchar *retval;
+      gchar *expanded = gimp_config_path_expand_only (path, error);
+
+      if (! expanded)
+        return NULL;
+
+      retval = g_filename_from_utf8 (expanded, -1, NULL, NULL, error);
+
+      g_free (expanded);
+
+      return retval;
+    }
+
+  return gimp_config_path_expand_only (path, error);
+}
+
+/**
+ * gimp_config_path_expand_to_files:
+ * @path:  a NUL-terminated string in UTF-8 encoding
+ * @error: return location for errors
+ *
+ * Paths as stored in the gimprc have to be treated special. The
+ * string may contain special identifiers such as for example
+ * ${gimp_dir} that have to be substituted before use. Also the user's
+ * filesystem may be in a different encoding than UTF-8 (which is what
+ * is used for the gimprc).
+ *
+ * This function runs @path through gimp_config_path_expand() and
+ * gimp_path_parse(), then turns the filenames returned by
+ * gimp_path_parse() into GFile using g_file_new_for_path().
+ *
+ * Return value: a #GList of newly allocated #GFile objects.
+ *
+ * Since: 2.10
+ **/
+GList *
+gimp_config_path_expand_to_files (const gchar  *path,
+                                  GError      **error)
+{
+  GList *files;
+  GList *list;
+  gchar *expanded;
+
+  g_return_val_if_fail (path != NULL, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  expanded = gimp_config_path_expand (path, TRUE, error);
+
+  if (! expanded)
+    return NULL;
+
+  files = gimp_path_parse (expanded, 256, FALSE, NULL);
+
+  g_free (expanded);
+
+  for (list = files; list; list = g_list_next (list))
+    {
+      gchar *dir = list->data;
+
+      list->data = g_file_new_for_path (dir);
+      g_free (dir);
+    }
+
+  return files;
+}
+
+/**
+ * gimp_config_path_unexpand:
+ * @path:   a NUL-terminated string
+ * @recode: whether @path is in filesystem encoding or UTF-8
+ * @error:  return location for errors
+ *
+ * The inverse operation of gimp_config_path_expand()
+ *
+ * This function takes a @path and tries to substitute the first
+ * elements by well-known special identifiers such as for example
+ * ${gimp_dir}. The unexpanded path can then be stored in gimprc and
+ * other config files.
+ *
+ * If @recode is %TRUE then @path is in local filesystem encoding,
+ * if @recode is %FALSE then @path is assumed to be UTF-8.
+ *
+ * Return value: a newly allocated NUL-terminated UTF-8 string
+ *
+ * Since: 2.10
+ **/
+gchar *
+gimp_config_path_unexpand (const gchar  *path,
+                           gboolean      recode,
+                           GError      **error)
+{
+  g_return_val_if_fail (path != NULL, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (recode)
+    {
+      gchar *retval;
+      gchar *utf8 = g_filename_to_utf8 (path, -1, NULL, NULL, error);
+
+      if (! utf8)
+        return NULL;
+
+      retval = gimp_config_path_unexpand_only (utf8);
+
+      g_free (utf8);
+
+      return retval;
+    }
+
+  return gimp_config_path_unexpand_only (path);
+}
+
+/**
+ * gimp_file_new_for_config_path:
+ * @path:   a NUL-terminated string in UTF-8 encoding
+ * @error:  return location for errors
+ *
+ * Expands @path using gimp_config_path_expand() and returns a #GFile
+ * for the expanded path.
+ *
+ * To reverse the expansion, use gimp_file_get_config_path().
+ *
+ * Return value: a newly allocated #GFile, or %NULL if the expansion failed.
+ *
+ * Since: 2.10
+ **/
+GFile *
+gimp_file_new_for_config_path (const gchar  *path,
+                               GError      **error)
+{
+  GFile *file = NULL;
+  gchar *expanded;
+
+  g_return_val_if_fail (path != NULL, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  expanded = gimp_config_path_expand (path, TRUE, error);
+
+  if (expanded)
+    {
+      file = g_file_new_for_path (expanded);
+      g_free (expanded);
+    }
+
+  return file;
+}
+
+/**
+ * gimp_file_get_config_path:
+ * @file:   a #GFile
+ * @error:  return location for errors
+ *
+ * Unexpands @file's path using gimp_config_path_unexpand() and
+ * returns the unexpanded path.
+ *
+ * The inverse operation of gimp_file_new_for_config_path().
+ *
+ * Return value: a newly allocated NUL-terminated UTF-8 string, or %NULL if
+ *               unexpanding failed.
+ *
+ * Since: 2.10
+ **/
+gchar *
+gimp_file_get_config_path (GFile   *file,
+                           GError **error)
+{
+  gchar *unexpanded = NULL;
+  gchar *path;
+
+  g_return_val_if_fail (G_IS_FILE (file), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  path = g_file_get_path (file);
+
+  if (path)
+    {
+      unexpanded = gimp_config_path_unexpand (path, TRUE, error);
+      g_free (path);
+    }
+  else
+    {
+      g_set_error_literal (error, 0, 0,
+                           _("File has no path representation"));
+    }
+
+  return unexpanded;
+}
+
+
+/*  private functions  */
+
+#define SUBSTS_ALLOC 4
+
+static gchar *
+gimp_config_path_expand_only (const gchar  *path,
+                              GError      **error)
+{
+  const gchar *home;
+  const gchar *p;
+  const gchar *s;
+  gchar       *n;
+  gchar       *token;
+  gchar       *filename = NULL;
+  gchar       *expanded = NULL;
+  gchar      **substs   = NULL;
+  guint        n_substs = 0;
+  gint         length   = 0;
+  gint         i;
+
+  home = g_get_home_dir ();
+  if (home)
+    home = gimp_filename_to_utf8 (home);
+
+  p = path;
+
+  while (*p)
+    {
+      if (*p == '~' && home)
+        {
+          length += strlen (home);
+          p += 1;
+        }
+      else if ((token = gimp_config_path_extract_token (&p)) != NULL)
+        {
+          for (i = 0; i < n_substs; i++)
+            if (strcmp (substs[2*i], token) == 0)
+              break;
+
+          if (i < n_substs)
+            {
+              s = substs[2*i+1];
+            }
+          else
+            {
+              s = NULL;
+
+              if (strcmp (token, "gimp_dir") == 0)
+                s = gimp_directory ();
+              else if (strcmp (token, "gimp_data_dir") == 0)
+                s = gimp_data_directory ();
+              else if (strcmp (token, "gimp_plug_in_dir") == 0 ||
+                       strcmp (token, "gimp_plugin_dir") == 0)
+                s = gimp_plug_in_directory ();
+              else if (strcmp (token, "gimp_sysconf_dir") == 0)
+                s = gimp_sysconf_directory ();
+              else if (strcmp (token, "gimp_installation_dir") == 0)
+                s = gimp_installation_directory ();
+              else if (strcmp (token, "gimp_cache_dir") == 0)
+                s = gimp_cache_directory ();
+              else if (strcmp (token, "gimp_temp_dir") == 0)
+                s = gimp_temp_directory ();
+
+              if (!s)
+                s = g_getenv (token);
+
+#ifdef G_OS_WIN32
+              /* The default user gimprc on Windows references
+               * ${TEMP}, but not all Windows installations have that
+               * environment variable, even if it should be kinda
+               * standard. So special-case it.
+               */
+              if (!s && strcmp (token, "TEMP") == 0)
+                s = g_get_tmp_dir ();
+#endif  /* G_OS_WIN32 */
+            }
+
+          if (!s)
+            {
+              g_set_error (error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_PARSE,
+                           _("Cannot expand ${%s}"), token);
+              g_free (token);
+              goto cleanup;
+            }
+
+          if (n_substs % SUBSTS_ALLOC == 0)
+            substs = g_renew (gchar *, substs, 2 * (n_substs + SUBSTS_ALLOC));
+
+          substs[2*n_substs]     = token;
+          substs[2*n_substs + 1] = (gchar *) gimp_filename_to_utf8 (s);
+
+          length += strlen (substs[2*n_substs + 1]);
+
+          n_substs++;
+        }
+      else
+        {
+          length += g_utf8_skip[(const guchar) *p];
+          p = g_utf8_next_char (p);
+        }
+    }
+
+  if (n_substs == 0)
+    return g_strdup (path);
+
+  expanded = g_new (gchar, length + 1);
+
+  p = path;
+  n = expanded;
+
+  while (*p)
+    {
+      if (*p == '~' && home)
+        {
+          *n = '\0';
+          strcat (n, home);
+          n += strlen (home);
+          p += 1;
+        }
+      else if ((token = gimp_config_path_extract_token (&p)) != NULL)
+        {
+          for (i = 0; i < n_substs; i++)
+            {
+              if (strcmp (substs[2*i], token) == 0)
+                {
+                  s = substs[2*i+1];
+
+                  *n = '\0';
+                  strcat (n, s);
+                  n += strlen (s);
+
+                  break;
+                }
+            }
+
+          g_free (token);
+        }
+      else
+        {
+          *n++ = *p++;
+        }
+    }
+
+  *n = '\0';
+
+ cleanup:
+  for (i = 0; i < n_substs; i++)
+    g_free (substs[2*i]);
+
+  g_free (substs);
+  g_free (filename);
+
+  return expanded;
+}
+
+static inline gchar *
+gimp_config_path_extract_token (const gchar **str)
+{
+  const gchar *p;
+  gchar       *token;
+
+  if (strncmp (*str, "${", 2))
+    return NULL;
+
+  p = *str + 2;
+
+  while (*p && (*p != '}'))
+    p = g_utf8_next_char (p);
+
+  if (! *p)
+    return NULL;
+
+  token = g_strndup (*str + 2, g_utf8_pointer_to_offset (*str + 2, p));
+
+  *str = p + 1; /* after the closing bracket */
+
+  return token;
+}
+
+static gchar *
+gimp_config_path_unexpand_only (const gchar *path)
+{
+  const struct
+  {
+    const gchar *id;
+    const gchar *prefix;
+  }
+  identifiers[] =
+  {
+    { "${gimp_plug_in_dir}",      gimp_plug_in_directory () },
+    { "${gimp_data_dir}",         gimp_data_directory () },
+    { "${gimp_sysconf_dir}",      gimp_sysconf_directory () },
+    { "${gimp_installation_dir}", gimp_installation_directory () },
+    { "${gimp_cache_dir}",        gimp_cache_directory () },
+    { "${gimp_temp_dir}",         gimp_temp_directory () },
+    { "${gimp_dir}",              gimp_directory () }
+  };
+
+  GList *files;
+  GList *list;
+  gchar *unexpanded;
+
+  files = gimp_path_parse (path, 256, FALSE, NULL);
+
+  for (list = files; list; list = g_list_next (list))
+    {
+      gchar *dir = list->data;
+      gint   i;
+
+      for (i = 0; i < G_N_ELEMENTS (identifiers); i++)
+        {
+          if (g_str_has_prefix (dir, identifiers[i].prefix))
+            {
+              gchar *tmp = g_strconcat (identifiers[i].id,
+                                        dir + strlen (identifiers[i].prefix),
+                                        NULL);
+
+              g_free (dir);
+              list->data = tmp;
+
+              break;
+            }
+        }
+    }
+
+  unexpanded = gimp_path_to_str (files);
+
+  gimp_path_free (files);
+
+  return unexpanded;
+}
diff --git a/libgimpconfig/gimpconfig-path.h b/libgimpconfig/gimpconfig-path.h
new file mode 100644
index 0000000..1b157f9
--- /dev/null
+++ b/libgimpconfig/gimpconfig-path.h
@@ -0,0 +1,108 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpconfig-path.h
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_PATH_H__
+#define __GIMP_CONFIG_PATH_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+/*
+ * GIMP_TYPE_CONFIG_PATH
+ */
+
+#define GIMP_TYPE_CONFIG_PATH               (gimp_config_path_get_type ())
+#define GIMP_VALUE_HOLDS_CONFIG_PATH(value) (G_TYPE_CHECK_VALUE_TYPE ((value), GIMP_TYPE_CONFIG_PATH))
+
+GType               gimp_config_path_get_type        (void) G_GNUC_CONST;
+
+
+
+/*
+ * GIMP_TYPE_PARAM_CONFIG_PATH
+ */
+
+/**
+ * GimpConfigPathType:
+ * @GIMP_CONFIG_PATH_FILE:      A single file
+ * @GIMP_CONFIG_PATH_FILE_LIST: A list of files
+ * @GIMP_CONFIG_PATH_DIR:       A single folder
+ * @GIMP_CONFIG_PATH_DIR_LIST:  A list of folders
+ *
+ * Types of config paths.
+ **/
+typedef enum
+{
+  GIMP_CONFIG_PATH_FILE,
+  GIMP_CONFIG_PATH_FILE_LIST,
+  GIMP_CONFIG_PATH_DIR,
+  GIMP_CONFIG_PATH_DIR_LIST
+} GimpConfigPathType;
+
+
+#define GIMP_TYPE_PARAM_CONFIG_PATH            (gimp_param_config_path_get_type ())
+#define GIMP_IS_PARAM_SPEC_CONFIG_PATH(pspec) (G_TYPE_CHECK_INSTANCE_TYPE ((pspec), GIMP_TYPE_PARAM_CONFIG_PATH))
+
+GType               gimp_param_config_path_get_type  (void) G_GNUC_CONST;
+
+GParamSpec        * gimp_param_spec_config_path      (const gchar  *name,
+                                                      const gchar  *nick,
+                                                      const gchar  *blurb,
+                                                      GimpConfigPathType  type,
+                                                      const gchar  *default_value,
+                                                      GParamFlags   flags);
+
+GimpConfigPathType  gimp_param_spec_config_path_type (GParamSpec   *pspec);
+
+
+/*
+ * GimpConfigPath utilities
+ */
+
+gchar             * gimp_config_path_expand          (const gchar  *path,
+                                                      gboolean      recode,
+                                                      GError      **error) G_GNUC_MALLOC;
+GList             * gimp_config_path_expand_to_files (const gchar  *path,
+                                                      GError      **error) G_GNUC_MALLOC;
+
+gchar             * gimp_config_path_unexpand        (const gchar  *path,
+                                                      gboolean      recode,
+                                                      GError      **error) G_GNUC_MALLOC;
+
+GFile             * gimp_file_new_for_config_path    (const gchar  *path,
+                                                      GError      **error) G_GNUC_MALLOC;
+gchar             * gimp_file_get_config_path        (GFile        *file,
+                                                      GError      **error) G_GNUC_MALLOC;
+
+gchar             * gimp_config_build_data_path      (const gchar  *name) G_GNUC_MALLOC;
+gchar             * gimp_config_build_writable_path  (const gchar  *name) G_GNUC_MALLOC;
+gchar             * gimp_config_build_plug_in_path   (const gchar  *name) G_GNUC_MALLOC;
+
+
+G_END_DECLS
+
+#endif /* __GIMP_CONFIG_PATH_H__ */
diff --git a/libgimpconfig/gimpconfig-serialize.c b/libgimpconfig/gimpconfig-serialize.c
new file mode 100644
index 0000000..0df5bbc
--- /dev/null
+++ b/libgimpconfig/gimpconfig-serialize.c
@@ -0,0 +1,576 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Object properties serialization routines
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpmath/gimpmath.h"
+#include "libgimpcolor/gimpcolor.h"
+
+#include "gimpconfigtypes.h"
+
+#include "gimpconfigwriter.h"
+#include "gimpconfig-iface.h"
+#include "gimpconfig-params.h"
+#include "gimpconfig-path.h"
+#include "gimpconfig-serialize.h"
+#include "gimpconfig-utils.h"
+
+
+/**
+ * SECTION: gimpconfig-serialize
+ * @title: GimpConfig-serialize
+ * @short_description: Serializing for libgimpconfig.
+ *
+ * Serializing interface for libgimpconfig.
+ **/
+
+
+static gboolean  gimp_config_serialize_rgb (const GValue *value,
+                                            GString      *str,
+                                            gboolean      has_alpha);
+
+
+/**
+ * gimp_config_serialize_properties:
+ * @config: a #GimpConfig.
+ * @writer: a #GimpConfigWriter.
+ *
+ * This function writes all object properties to the @writer.
+ *
+ * Returns: %TRUE if serialization succeeded, %FALSE otherwise
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_serialize_properties (GimpConfig       *config,
+                                  GimpConfigWriter *writer)
+{
+  GObjectClass  *klass;
+  GParamSpec   **property_specs;
+  guint          n_property_specs;
+  guint          i;
+
+  g_return_val_if_fail (G_IS_OBJECT (config), FALSE);
+
+  klass = G_OBJECT_GET_CLASS (config);
+
+  property_specs = g_object_class_list_properties (klass, &n_property_specs);
+
+  if (! property_specs)
+    return TRUE;
+
+  for (i = 0; i < n_property_specs; i++)
+    {
+      GParamSpec *prop_spec = property_specs[i];
+
+      if (! (prop_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE))
+        continue;
+
+      if (! gimp_config_serialize_property (config, prop_spec, writer))
+        return FALSE;
+    }
+
+  g_free (property_specs);
+
+  return TRUE;
+}
+
+/**
+ * gimp_config_serialize_changed_properties:
+ * @config: a #GimpConfig.
+ * @writer: a #GimpConfigWriter.
+ *
+ * This function writes all object properties that have been changed from
+ * their default values to the @writer.
+ *
+ * Returns: %TRUE if serialization succeeded, %FALSE otherwise
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_serialize_changed_properties (GimpConfig       *config,
+                                          GimpConfigWriter *writer)
+{
+  GObjectClass  *klass;
+  GParamSpec   **property_specs;
+  guint          n_property_specs;
+  guint          i;
+  GValue         value = G_VALUE_INIT;
+
+  g_return_val_if_fail (G_IS_OBJECT (config), FALSE);
+
+  klass = G_OBJECT_GET_CLASS (config);
+
+  property_specs = g_object_class_list_properties (klass, &n_property_specs);
+
+  if (! property_specs)
+    return TRUE;
+
+  for (i = 0; i < n_property_specs; i++)
+    {
+      GParamSpec *prop_spec = property_specs[i];
+
+      if (! (prop_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE))
+        continue;
+
+      g_value_init (&value, prop_spec->value_type);
+      g_object_get_property (G_OBJECT (config), prop_spec->name, &value);
+
+      if (! g_param_value_defaults (prop_spec, &value))
+        {
+          if (! gimp_config_serialize_property (config, prop_spec, writer))
+            return FALSE;
+        }
+
+      g_value_unset (&value);
+    }
+
+  g_free (property_specs);
+
+  return TRUE;
+}
+
+/**
+ * gimp_config_serialize_property:
+ * @config:     a #GimpConfig.
+ * @param_spec: a #GParamSpec.
+ * @writer:     a #GimpConfigWriter.
+ *
+ * This function serializes a single object property to the @writer.
+ *
+ * Returns: %TRUE if serialization succeeded, %FALSE otherwise
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_serialize_property (GimpConfig       *config,
+                                GParamSpec       *param_spec,
+                                GimpConfigWriter *writer)
+{
+  GimpConfigInterface *config_iface = NULL;
+  GimpConfigInterface *parent_iface = NULL;
+  GValue               value        = G_VALUE_INIT;
+  gboolean             success      = FALSE;
+
+  if (! (param_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE))
+    return FALSE;
+
+  if (param_spec->flags & GIMP_CONFIG_PARAM_IGNORE)
+    return TRUE;
+
+  g_value_init (&value, param_spec->value_type);
+  g_object_get_property (G_OBJECT (config), param_spec->name, &value);
+
+  if (param_spec->flags & GIMP_CONFIG_PARAM_DEFAULTS &&
+      g_param_value_defaults (param_spec, &value))
+    {
+      g_value_unset (&value);
+      return TRUE;
+    }
+
+  if (G_TYPE_IS_OBJECT (param_spec->owner_type))
+    {
+      GTypeClass *owner_class = g_type_class_peek (param_spec->owner_type);
+
+      config_iface = g_type_interface_peek (owner_class, GIMP_TYPE_CONFIG);
+
+      /*  We must call serialize_property() *only* if the *exact* class
+       *  which implements it is param_spec->owner_type's class.
+       *
+       *  Therefore, we ask param_spec->owner_type's immediate parent class
+       *  for it's GimpConfigInterface and check if we get a different
+       *  pointer.
+       *
+       *  (if the pointers are the same, param_spec->owner_type's
+       *   GimpConfigInterface is inherited from one of it's parent classes
+       *   and thus not able to handle param_spec->owner_type's properties).
+       */
+      if (config_iface)
+        {
+          GTypeClass *owner_parent_class;
+
+          owner_parent_class = g_type_class_peek_parent (owner_class);
+
+          parent_iface = g_type_interface_peek (owner_parent_class,
+                                                GIMP_TYPE_CONFIG);
+        }
+    }
+
+  if (config_iface                     &&
+      config_iface != parent_iface     && /* see comment above */
+      config_iface->serialize_property &&
+      config_iface->serialize_property (config,
+                                        param_spec->param_id,
+                                        (const GValue *) &value,
+                                        param_spec,
+                                        writer))
+    {
+      success = TRUE;
+    }
+
+  /*  If there is no serialize_property() method *or* if it returned
+   *  FALSE, continue with the default implementation
+   */
+
+  if (! success)
+    {
+      if (G_VALUE_HOLDS_OBJECT (&value) &&
+          G_VALUE_TYPE (&value) != G_TYPE_FILE)
+        {
+          GimpConfigInterface *config_iface = NULL;
+          GimpConfig          *prop_object;
+
+          prop_object = g_value_get_object (&value);
+
+          if (prop_object)
+            config_iface = GIMP_CONFIG_GET_INTERFACE (prop_object);
+          else
+            success = TRUE;
+
+          if (config_iface)
+            {
+              gimp_config_writer_open (writer, param_spec->name);
+
+              /*  if the object property is not GIMP_CONFIG_PARAM_AGGREGATE,
+               *  deserializing will need to know the exact type
+               *  in order to create the object
+               */
+              if (! (param_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE))
+                {
+                  GType object_type = G_TYPE_FROM_INSTANCE (prop_object);
+
+                  gimp_config_writer_string (writer, g_type_name (object_type));
+                }
+
+              success = config_iface->serialize (prop_object, writer, NULL);
+
+              if (success)
+                gimp_config_writer_close (writer);
+              else
+                gimp_config_writer_revert (writer);
+            }
+        }
+      else
+        {
+          GString *str = g_string_new (NULL);
+
+          if (GIMP_VALUE_HOLDS_RGB (&value))
+            {
+              gboolean has_alpha = gimp_param_spec_rgb_has_alpha (param_spec);
+
+              success = gimp_config_serialize_rgb (&value, str, has_alpha);
+            }
+          else
+            {
+              success = gimp_config_serialize_value (&value, str, TRUE);
+            }
+
+          if (success)
+            {
+              gimp_config_writer_open (writer, param_spec->name);
+              gimp_config_writer_print (writer, str->str, str->len);
+              gimp_config_writer_close (writer);
+            }
+
+          g_string_free (str, TRUE);
+        }
+
+      if (! success)
+        {
+          /* don't warn for empty string properties */
+          if (G_VALUE_HOLDS_STRING (&value))
+            {
+              success = TRUE;
+            }
+          else
+            {
+              g_warning ("couldn't serialize property %s::%s of type %s",
+                         g_type_name (G_TYPE_FROM_INSTANCE (config)),
+                         param_spec->name,
+                         g_type_name (param_spec->value_type));
+            }
+        }
+    }
+
+  g_value_unset (&value);
+
+  return success;
+}
+
+/**
+ * gimp_config_serialize_property_by_name:
+ * @config:    a #GimpConfig.
+ * @prop_name: the property's name.
+ * @writer:    a #GimpConfigWriter.
+ *
+ * This function serializes a single object property to the @writer.
+ *
+ * Returns: %TRUE if serialization succeeded, %FALSE otherwise
+ *
+ * Since: 2.6
+ **/
+gboolean
+gimp_config_serialize_property_by_name (GimpConfig       *config,
+                                        const gchar      *prop_name,
+                                        GimpConfigWriter *writer)
+{
+  GParamSpec *pspec;
+
+  pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (config),
+                                        prop_name);
+
+  if (! pspec)
+    return FALSE;
+
+  return gimp_config_serialize_property (config, pspec, writer);
+}
+
+/**
+ * gimp_config_serialize_value:
+ * @value: a #GValue.
+ * @str: a #GString.
+ * @escaped: whether to escape string values.
+ *
+ * This utility function appends a string representation of #GValue to @str.
+ *
+ * Return value: %TRUE if serialization succeeded, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_serialize_value (const GValue *value,
+                             GString      *str,
+                             gboolean      escaped)
+{
+  if (G_VALUE_HOLDS_BOOLEAN (value))
+    {
+      gboolean bool;
+
+      bool = g_value_get_boolean (value);
+      g_string_append (str, bool ? "yes" : "no");
+      return TRUE;
+    }
+
+  if (G_VALUE_HOLDS_ENUM (value))
+    {
+      GEnumClass *enum_class = g_type_class_peek (G_VALUE_TYPE (value));
+      GEnumValue *enum_value = g_enum_get_value (enum_class,
+                                                 g_value_get_enum (value));
+
+      if (enum_value && enum_value->value_nick)
+        {
+          g_string_append (str, enum_value->value_nick);
+          return TRUE;
+        }
+      else
+        {
+          g_warning ("Couldn't get nick for enum_value of %s",
+                     G_ENUM_CLASS_TYPE_NAME (enum_class));
+          return FALSE;
+        }
+    }
+
+  if (G_VALUE_HOLDS_STRING (value))
+    {
+      const gchar *cstr = g_value_get_string (value);
+
+      if (!cstr)
+        return FALSE;
+
+      if (escaped)
+        gimp_config_string_append_escaped (str, cstr);
+      else
+        g_string_append (str, cstr);
+
+      return TRUE;
+    }
+
+  if (G_VALUE_HOLDS_DOUBLE (value) || G_VALUE_HOLDS_FLOAT (value))
+    {
+      gdouble v_double;
+      gchar   buf[G_ASCII_DTOSTR_BUF_SIZE];
+
+      if (G_VALUE_HOLDS_DOUBLE (value))
+        v_double = g_value_get_double (value);
+      else
+        v_double = (gdouble) g_value_get_float (value);
+
+      g_ascii_dtostr (buf, sizeof (buf), v_double);
+      g_string_append (str, buf);
+      return TRUE;
+    }
+
+  if (GIMP_VALUE_HOLDS_RGB (value))
+    {
+      return gimp_config_serialize_rgb (value, str, TRUE);
+    }
+
+  if (GIMP_VALUE_HOLDS_MATRIX2 (value))
+    {
+      GimpMatrix2 *trafo;
+
+      trafo = g_value_get_boxed (value);
+
+      if (trafo)
+        {
+          gchar buf[4][G_ASCII_DTOSTR_BUF_SIZE];
+          gint  i, j, k;
+
+          for (i = 0, k = 0; i < 2; i++)
+            for (j = 0; j < 2; j++, k++)
+              g_ascii_dtostr (buf[k], G_ASCII_DTOSTR_BUF_SIZE,
+                              trafo->coeff[i][j]);
+
+          g_string_append_printf (str, "(matrix %s %s %s %s)",
+                                  buf[0], buf[1], buf[2], buf[3]);
+        }
+      else
+        {
+          g_string_append (str, "(matrix 1.0 1.0 1.0 1.0)");
+        }
+
+      return TRUE;
+    }
+
+  if (G_VALUE_TYPE (value) == GIMP_TYPE_VALUE_ARRAY)
+    {
+      GimpValueArray *array;
+
+      array = g_value_get_boxed (value);
+
+      if (array)
+        {
+          gint length = gimp_value_array_length (array);
+          gint i;
+
+          g_string_append_printf (str, "%d", length);
+
+          for (i = 0; i < length; i++)
+            {
+              g_string_append (str, " ");
+
+              if (! gimp_config_serialize_value (gimp_value_array_index (array,
+                                                                         i),
+                                                 str, TRUE))
+                return FALSE;
+            }
+        }
+      else
+        {
+          g_string_append (str, "0");
+        }
+
+      return TRUE;
+    }
+
+  if (G_VALUE_TYPE (value) == G_TYPE_FILE)
+    {
+      GFile *file = g_value_get_object (value);
+
+      if (file)
+        {
+          gchar *path     = g_file_get_path (file);
+          gchar *unexpand = NULL;
+
+          if (path)
+            {
+              unexpand = gimp_config_path_unexpand (path, TRUE, NULL);
+              g_free (path);
+            }
+
+          if (unexpand)
+            {
+              if (escaped)
+                gimp_config_string_append_escaped (str, unexpand);
+              else
+                g_string_append (str, unexpand);
+
+              g_free (unexpand);
+            }
+          else
+            {
+              g_string_append (str, "NULL");
+            }
+        }
+      else
+        {
+          g_string_append (str, "NULL");
+        }
+
+      return TRUE;
+    }
+
+  if (g_value_type_transformable (G_VALUE_TYPE (value), G_TYPE_STRING))
+    {
+      GValue  tmp_value = G_VALUE_INIT;
+
+      g_value_init (&tmp_value, G_TYPE_STRING);
+      g_value_transform (value, &tmp_value);
+
+      g_string_append (str, g_value_get_string (&tmp_value));
+
+      g_value_unset (&tmp_value);
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+static gboolean
+gimp_config_serialize_rgb (const GValue *value,
+                           GString      *str,
+                           gboolean      has_alpha)
+{
+  GimpRGB *rgb;
+
+  rgb = g_value_get_boxed (value);
+
+  if (rgb)
+    {
+      gchar buf[4][G_ASCII_DTOSTR_BUF_SIZE];
+
+      g_ascii_dtostr (buf[0], G_ASCII_DTOSTR_BUF_SIZE, rgb->r);
+      g_ascii_dtostr (buf[1], G_ASCII_DTOSTR_BUF_SIZE, rgb->g);
+      g_ascii_dtostr (buf[2], G_ASCII_DTOSTR_BUF_SIZE, rgb->b);
+
+      if (has_alpha)
+        {
+          g_ascii_dtostr (buf[3], G_ASCII_DTOSTR_BUF_SIZE, rgb->a);
+
+          g_string_append_printf (str, "(color-rgba %s %s %s %s)",
+                                  buf[0], buf[1], buf[2], buf[3]);
+        }
+      else
+        {
+          g_string_append_printf (str, "(color-rgb %s %s %s)",
+                                  buf[0], buf[1], buf[2]);
+        }
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
diff --git a/libgimpconfig/gimpconfig-serialize.h b/libgimpconfig/gimpconfig-serialize.h
new file mode 100644
index 0000000..c25ab3b
--- /dev/null
+++ b/libgimpconfig/gimpconfig-serialize.h
@@ -0,0 +1,52 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * Object properties serialization routines
+ * Copyright (C) 2001-2002  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_SERIALIZE_H__
+#define __GIMP_CONFIG_SERIALIZE_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+gboolean  gimp_config_serialize_properties         (GimpConfig       *config,
+                                                    GimpConfigWriter *writer);
+gboolean  gimp_config_serialize_changed_properties (GimpConfig       *config,
+                                                    GimpConfigWriter *writer);
+
+gboolean  gimp_config_serialize_property           (GimpConfig       *config,
+                                                    GParamSpec       *param_spec,
+                                                    GimpConfigWriter *writer);
+gboolean  gimp_config_serialize_property_by_name   (GimpConfig       *config,
+                                                    const gchar      *prop_name,
+                                                    GimpConfigWriter *writer);
+gboolean  gimp_config_serialize_value              (const GValue     *value,
+                                                    GString          *str,
+                                                    gboolean          escaped);
+
+
+G_END_DECLS
+
+#endif /* __GIMP_CONFIG_SERIALIZE_H__ */
diff --git a/libgimpconfig/gimpconfig-utils.c b/libgimpconfig/gimpconfig-utils.c
new file mode 100644
index 0000000..7cef219
--- /dev/null
+++ b/libgimpconfig/gimpconfig-utils.c
@@ -0,0 +1,482 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Utility functions for GimpConfig.
+ * Copyright (C) 2001-2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+
+#include "gimpconfigtypes.h"
+
+#include "gimpconfigwriter.h"
+#include "gimpconfig-iface.h"
+#include "gimpconfig-params.h"
+#include "gimpconfig-utils.h"
+
+
+/**
+ * SECTION: gimpconfig-utils
+ * @title: GimpConfig-utils
+ * @short_description: Miscellaneous utility functions for libgimpconfig.
+ *
+ * Miscellaneous utility functions for libgimpconfig.
+ **/
+
+
+static gboolean
+gimp_config_diff_property (GObject    *a,
+                           GObject    *b,
+                           GParamSpec *prop_spec)
+{
+  GValue    a_value = G_VALUE_INIT;
+  GValue    b_value = G_VALUE_INIT;
+  gboolean  retval  = FALSE;
+
+  g_value_init (&a_value, prop_spec->value_type);
+  g_value_init (&b_value, prop_spec->value_type);
+
+  g_object_get_property (a, prop_spec->name, &a_value);
+  g_object_get_property (b, prop_spec->name, &b_value);
+
+  if (g_param_values_cmp (prop_spec, &a_value, &b_value))
+    {
+      if ((prop_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE) &&
+          G_IS_PARAM_SPEC_OBJECT (prop_spec)               &&
+          g_type_interface_peek (g_type_class_peek (prop_spec->value_type),
+                                 GIMP_TYPE_CONFIG))
+        {
+          if (! gimp_config_is_equal_to (g_value_get_object (&a_value),
+                                         g_value_get_object (&b_value)))
+            {
+              retval = TRUE;
+            }
+        }
+      else
+        {
+          retval = TRUE;
+        }
+    }
+
+  g_value_unset (&a_value);
+  g_value_unset (&b_value);
+
+  return retval;
+}
+
+static GList *
+gimp_config_diff_same (GObject     *a,
+                       GObject     *b,
+                       GParamFlags  flags)
+{
+  GParamSpec **param_specs;
+  guint        n_param_specs;
+  gint         i;
+  GList       *list = NULL;
+
+  param_specs = g_object_class_list_properties (G_OBJECT_GET_CLASS (a),
+                                                &n_param_specs);
+
+  for (i = 0; i < n_param_specs; i++)
+    {
+      GParamSpec *prop_spec = param_specs[i];
+
+      if (! flags || ((prop_spec->flags & flags) == flags))
+        {
+          if (gimp_config_diff_property (a, b, prop_spec))
+            list = g_list_prepend (list, prop_spec);
+        }
+    }
+
+  g_free (param_specs);
+
+  return list;
+}
+
+static GList *
+gimp_config_diff_other (GObject     *a,
+                        GObject     *b,
+                        GParamFlags  flags)
+{
+  GParamSpec **param_specs;
+  guint        n_param_specs;
+  gint         i;
+  GList       *list = NULL;
+
+  param_specs = g_object_class_list_properties (G_OBJECT_GET_CLASS (a),
+                                                &n_param_specs);
+
+  for (i = 0; i < n_param_specs; i++)
+    {
+      GParamSpec *a_spec = param_specs[i];
+      GParamSpec *b_spec = g_object_class_find_property (G_OBJECT_GET_CLASS (b),
+                                                         a_spec->name);
+
+      if (b_spec &&
+          (a_spec->value_type == b_spec->value_type) &&
+          (! flags || (a_spec->flags & b_spec->flags & flags) == flags))
+        {
+          if (gimp_config_diff_property (a, b, b_spec))
+            list = g_list_prepend (list, b_spec);
+        }
+    }
+
+  g_free (param_specs);
+
+  return list;
+}
+
+
+/**
+ * gimp_config_diff:
+ * @a: a #GObject
+ * @b: another #GObject object
+ * @flags: a mask of GParamFlags
+ *
+ * Compares all properties of @a and @b that have all @flags set. If
+ * @flags is 0, all properties are compared.
+ *
+ * If the two objects are not of the same type, only properties that
+ * exist in both object classes and are of the same value_type are
+ * compared.
+ *
+ * Return value: a GList of differing GParamSpecs.
+ *
+ * Since: 2.4
+ **/
+GList *
+gimp_config_diff (GObject     *a,
+                  GObject     *b,
+                  GParamFlags  flags)
+{
+  GList *diff;
+
+  g_return_val_if_fail (G_IS_OBJECT (a), NULL);
+  g_return_val_if_fail (G_IS_OBJECT (b), NULL);
+
+  if (G_TYPE_FROM_INSTANCE (a) == G_TYPE_FROM_INSTANCE (b))
+    diff = gimp_config_diff_same (a, b, flags);
+  else
+    diff = gimp_config_diff_other (a, b, flags);
+
+  return g_list_reverse (diff);
+}
+
+/**
+ * gimp_config_sync:
+ * @src: a #GObject
+ * @dest: another #GObject
+ * @flags: a mask of GParamFlags
+ *
+ * Compares all read- and write-able properties from @src and @dest
+ * that have all @flags set. Differing values are then copied from
+ * @src to @dest. If @flags is 0, all differing read/write properties.
+ *
+ * Properties marked as "construct-only" are not touched.
+ *
+ * If the two objects are not of the same type, only properties that
+ * exist in both object classes and are of the same value_type are
+ * synchronized
+ *
+ * Return value: %TRUE if @dest was modified, %FALSE otherwise
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_sync (GObject     *src,
+                  GObject     *dest,
+                  GParamFlags  flags)
+{
+  GList *diff;
+  GList *list;
+
+  g_return_val_if_fail (G_IS_OBJECT (src), FALSE);
+  g_return_val_if_fail (G_IS_OBJECT (dest), FALSE);
+
+  /* we use the internal versions here for a number of reasons:
+   *  - it saves a g_list_reverse()
+   *  - it avoids duplicated parameter checks
+   */
+  if (G_TYPE_FROM_INSTANCE (src) == G_TYPE_FROM_INSTANCE (dest))
+    diff = gimp_config_diff_same (src, dest, (flags | G_PARAM_READWRITE));
+  else
+    diff = gimp_config_diff_other (src, dest, flags);
+
+  if (!diff)
+    return FALSE;
+
+  g_object_freeze_notify (G_OBJECT (dest));
+
+  for (list = diff; list; list = list->next)
+    {
+      GParamSpec *prop_spec = list->data;
+
+      if (! (prop_spec->flags & G_PARAM_CONSTRUCT_ONLY))
+        {
+          GValue value = G_VALUE_INIT;
+
+          g_value_init (&value, prop_spec->value_type);
+
+          g_object_get_property (src,  prop_spec->name, &value);
+          g_object_set_property (dest, prop_spec->name, &value);
+
+          g_value_unset (&value);
+        }
+    }
+
+  g_object_thaw_notify (G_OBJECT (dest));
+
+  g_list_free (diff);
+
+  return TRUE;
+}
+
+/**
+ * gimp_config_reset_properties:
+ * @object: a #GObject
+ *
+ * Resets all writable properties of @object to the default values as
+ * defined in their #GParamSpec. Properties marked as "construct-only"
+ * are not touched.
+ *
+ * If you want to reset a #GimpConfig object, please use gimp_config_reset().
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_reset_properties (GObject *object)
+{
+  GObjectClass  *klass;
+  GParamSpec   **property_specs;
+  guint          n_property_specs;
+  guint          i;
+
+  g_return_if_fail (G_IS_OBJECT (object));
+
+  klass = G_OBJECT_GET_CLASS (object);
+
+  property_specs = g_object_class_list_properties (klass, &n_property_specs);
+  if (!property_specs)
+    return;
+
+  g_object_freeze_notify (object);
+
+  for (i = 0; i < n_property_specs; i++)
+    {
+      GParamSpec *prop_spec;
+      GValue      value = G_VALUE_INIT;
+
+      prop_spec = property_specs[i];
+
+      if ((prop_spec->flags & G_PARAM_WRITABLE) &&
+          ! (prop_spec->flags & G_PARAM_CONSTRUCT_ONLY))
+        {
+          if (G_IS_PARAM_SPEC_OBJECT (prop_spec))
+            {
+              if ((prop_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE) &&
+                  (prop_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE) &&
+                  g_type_interface_peek (g_type_class_peek (prop_spec->value_type),
+                                         GIMP_TYPE_CONFIG))
+                {
+                  g_value_init (&value, prop_spec->value_type);
+
+                  g_object_get_property (object, prop_spec->name, &value);
+
+                  gimp_config_reset (g_value_get_object (&value));
+
+                  g_value_unset (&value);
+                }
+            }
+          else
+            {
+              GValue default_value = G_VALUE_INIT;
+
+              g_value_init (&default_value, prop_spec->value_type);
+              g_value_init (&value,         prop_spec->value_type);
+
+              g_param_value_set_default (prop_spec, &default_value);
+              g_object_get_property (object, prop_spec->name, &value);
+
+              if (g_param_values_cmp (prop_spec, &default_value, &value))
+                {
+                  g_object_set_property (object, prop_spec->name,
+                                         &default_value);
+                }
+
+              g_value_unset (&value);
+              g_value_unset (&default_value);
+            }
+        }
+    }
+
+  g_object_thaw_notify (object);
+
+  g_free (property_specs);
+}
+
+
+/**
+ * gimp_config_reset_property:
+ * @object: a #GObject
+ * @property_name: name of the property to reset
+ *
+ * Resets the property named @property_name to its default value.  The
+ * property must be writable and must not be marked as "construct-only".
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_reset_property (GObject     *object,
+                            const gchar *property_name)
+{
+  GObjectClass  *klass;
+  GParamSpec    *prop_spec;
+
+  g_return_if_fail (G_IS_OBJECT (object));
+  g_return_if_fail (property_name != NULL);
+
+  klass = G_OBJECT_GET_CLASS (object);
+
+  prop_spec = g_object_class_find_property (klass, property_name);
+
+  if (!prop_spec)
+    return;
+
+  if ((prop_spec->flags & G_PARAM_WRITABLE) &&
+      ! (prop_spec->flags & G_PARAM_CONSTRUCT_ONLY))
+    {
+      GValue  value = G_VALUE_INIT;
+
+      if (G_IS_PARAM_SPEC_OBJECT (prop_spec))
+        {
+          if ((prop_spec->flags & GIMP_CONFIG_PARAM_SERIALIZE) &&
+              (prop_spec->flags & GIMP_CONFIG_PARAM_AGGREGATE) &&
+              g_type_interface_peek (g_type_class_peek (prop_spec->value_type),
+                                     GIMP_TYPE_CONFIG))
+            {
+              g_value_init (&value, prop_spec->value_type);
+
+              g_object_get_property (object, prop_spec->name, &value);
+
+              gimp_config_reset (g_value_get_object (&value));
+
+              g_value_unset (&value);
+            }
+        }
+      else
+        {
+          g_value_init (&value, prop_spec->value_type);
+          g_param_value_set_default (prop_spec, &value);
+
+          g_object_set_property (object, prop_spec->name, &value);
+
+          g_value_unset (&value);
+        }
+    }
+}
+
+
+/*
+ * GimpConfig string utilities
+ */
+
+/**
+ * gimp_config_string_append_escaped:
+ * @string: pointer to a #GString
+ * @val: a string to append or %NULL
+ *
+ * Escapes and quotes @val and appends it to @string. The escape
+ * algorithm is different from the one used by g_strescape() since it
+ * leaves non-ASCII characters intact and thus preserves UTF-8
+ * strings. Only control characters and quotes are being escaped.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_string_append_escaped (GString     *string,
+                                   const gchar *val)
+{
+  g_return_if_fail (string != NULL);
+
+  if (val)
+    {
+      const guchar *p;
+      gchar         buf[4] = { '\\', 0, 0, 0 };
+      gint          len;
+
+      g_string_append_c (string, '\"');
+
+      for (p = (const guchar *) val, len = 0; *p; p++)
+        {
+          if (*p < ' ' || *p == '\\' || *p == '\"')
+            {
+              g_string_append_len (string, val, len);
+
+              len = 2;
+              switch (*p)
+                {
+                case '\b':
+                  buf[1] = 'b';
+                  break;
+                case '\f':
+                  buf[1] = 'f';
+                  break;
+                case '\n':
+                  buf[1] = 'n';
+                  break;
+                case '\r':
+                  buf[1] = 'r';
+                  break;
+                case '\t':
+                  buf[1] = 't';
+                  break;
+                case '\\':
+                case '"':
+                  buf[1] = *p;
+                  break;
+
+                default:
+                  len = 4;
+                  buf[1] = '0' + (((*p) >> 6) & 07);
+                  buf[2] = '0' + (((*p) >> 3) & 07);
+                  buf[3] = '0' + ((*p) & 07);
+                  break;
+                }
+
+              g_string_append_len (string, buf, len);
+
+              val = (const gchar *) p + 1;
+              len = 0;
+            }
+          else
+            {
+              len++;
+            }
+        }
+
+      g_string_append_len (string, val, len);
+      g_string_append_c   (string, '\"');
+    }
+  else
+    {
+      g_string_append_len (string, "\"\"", 2);
+    }
+}
diff --git a/libgimpconfig/gimpconfig-utils.h b/libgimpconfig/gimpconfig-utils.h
new file mode 100644
index 0000000..6975b64
--- /dev/null
+++ b/libgimpconfig/gimpconfig-utils.h
@@ -0,0 +1,52 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Utility functions for GimpConfig.
+ * Copyright (C) 2001-2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_UTILS_H__
+#define __GIMP_CONFIG_UTILS_H__
+
+G_BEGIN_DECLS
+
+/* For information look into the C source or the html documentation */
+
+
+GList    * gimp_config_diff                  (GObject      *a,
+                                              GObject      *b,
+                                              GParamFlags   flags);
+
+gboolean   gimp_config_sync                  (GObject      *src,
+                                              GObject      *dest,
+                                              GParamFlags   flags);
+
+void       gimp_config_reset_properties      (GObject      *object);
+void       gimp_config_reset_property        (GObject      *object,
+                                              const gchar  *property_name);
+
+void       gimp_config_string_append_escaped (GString      *string,
+                                              const gchar  *val);
+
+
+G_END_DECLS
+
+#endif  /* __GIMP_CONFIG_UTILS_H__ */
diff --git a/libgimpconfig/gimpconfig.def b/libgimpconfig/gimpconfig.def
new file mode 100644
index 0000000..582edab
--- /dev/null
+++ b/libgimpconfig/gimpconfig.def
@@ -0,0 +1,94 @@
+EXPORTS
+	gimp_color_config_get_cmyk_color_profile
+	gimp_color_config_get_display_bpc
+	gimp_color_config_get_display_color_profile
+	gimp_color_config_get_display_intent
+	gimp_color_config_get_display_optimize
+	gimp_color_config_get_display_profile_from_gdk
+	gimp_color_config_get_gray_color_profile
+	gimp_color_config_get_mode
+	gimp_color_config_get_rgb_color_profile
+	gimp_color_config_get_simulation_bpc
+	gimp_color_config_get_simulation_color_profile
+	gimp_color_config_get_simulation_gamut_check
+	gimp_color_config_get_simulation_intent
+	gimp_color_config_get_simulation_optimize
+	gimp_color_config_get_type
+	gimp_color_management_mode_get_type
+	gimp_color_rendering_intent_get_type
+	gimp_config_build_data_path
+	gimp_config_build_plug_in_path
+	gimp_config_build_writable_path
+	gimp_config_copy
+	gimp_config_deserialize
+	gimp_config_deserialize_file
+	gimp_config_deserialize_gfile
+	gimp_config_deserialize_properties
+	gimp_config_deserialize_property
+	gimp_config_deserialize_return
+	gimp_config_deserialize_stream
+	gimp_config_deserialize_string
+	gimp_config_diff
+	gimp_config_duplicate
+	gimp_config_error_quark
+	gimp_config_get_type
+	gimp_config_interface_get_type
+	gimp_config_is_equal_to
+	gimp_config_path_expand
+	gimp_config_path_expand_to_files
+	gimp_config_path_get_type
+	gimp_config_path_unexpand
+	gimp_config_reset
+	gimp_config_reset_properties
+	gimp_config_reset_property
+	gimp_config_serialize
+	gimp_config_serialize_changed_properties
+	gimp_config_serialize_properties
+	gimp_config_serialize_property
+	gimp_config_serialize_property_by_name
+	gimp_config_serialize_to_fd
+	gimp_config_serialize_to_file
+	gimp_config_serialize_to_gfile
+	gimp_config_serialize_to_stream
+	gimp_config_serialize_to_string
+	gimp_config_serialize_value
+	gimp_config_string_append_escaped
+	gimp_config_sync
+	gimp_config_writer_close
+	gimp_config_writer_comment
+	gimp_config_writer_comment_mode
+	gimp_config_writer_data
+	gimp_config_writer_finish
+	gimp_config_writer_identifier
+	gimp_config_writer_linefeed
+	gimp_config_writer_new_fd
+	gimp_config_writer_new_file
+	gimp_config_writer_new_gfile
+	gimp_config_writer_new_stream
+	gimp_config_writer_new_string
+	gimp_config_writer_open
+	gimp_config_writer_print
+	gimp_config_writer_printf
+	gimp_config_writer_revert
+	gimp_config_writer_string
+	gimp_file_get_config_path
+	gimp_file_new_for_config_path
+	gimp_param_config_path_get_type
+	gimp_param_spec_config_path
+	gimp_param_spec_config_path_type
+	gimp_scanner_destroy
+	gimp_scanner_new_file
+	gimp_scanner_new_gfile
+	gimp_scanner_new_stream
+	gimp_scanner_new_string
+	gimp_scanner_parse_boolean
+	gimp_scanner_parse_color
+	gimp_scanner_parse_data
+	gimp_scanner_parse_float
+	gimp_scanner_parse_identifier
+	gimp_scanner_parse_int
+	gimp_scanner_parse_int64
+	gimp_scanner_parse_matrix2
+	gimp_scanner_parse_string
+	gimp_scanner_parse_string_no_validate
+	gimp_scanner_parse_token
diff --git a/libgimpconfig/gimpconfig.h b/libgimpconfig/gimpconfig.h
new file mode 100644
index 0000000..1b2bb8e
--- /dev/null
+++ b/libgimpconfig/gimpconfig.h
@@ -0,0 +1,40 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_CONFIG_H__
+#define __GIMP_CONFIG_H__
+
+#define __GIMP_CONFIG_H_INSIDE__
+
+#include <libgimpconfig/gimpconfigtypes.h>
+
+#include <libgimpconfig/gimpconfigwriter.h>
+#include <libgimpconfig/gimpconfig-iface.h>
+#include <libgimpconfig/gimpconfig-error.h>
+#include <libgimpconfig/gimpconfig-serialize.h>
+#include <libgimpconfig/gimpconfig-deserialize.h>
+#include <libgimpconfig/gimpconfig-utils.h>
+#include <libgimpconfig/gimpconfig-params.h>
+#include <libgimpconfig/gimpconfig-path.h>
+#include <libgimpconfig/gimpscanner.h>
+
+#include <libgimpconfig/gimpcolorconfig.h>
+
+#undef __GIMP_CONFIG_H_INSIDE__
+
+#endif  /* __GIMP_CONFIG_H__ */
diff --git a/libgimpconfig/gimpconfigenums.c b/libgimpconfig/gimpconfigenums.c
new file mode 100644
index 0000000..294d7c0
--- /dev/null
+++ b/libgimpconfig/gimpconfigenums.c
@@ -0,0 +1,79 @@
+
+/* Generated data (by gimp-mkenums) */
+
+#include "config.h"
+#include <gio/gio.h>
+#include "libgimpbase/gimpbase.h"
+#include "gimpconfigenums.h"
+#include "libgimp/libgimp-intl.h"
+
+/* enumerations from "gimpconfigenums.h" */
+GType
+gimp_color_management_mode_get_type (void)
+{
+  static const GEnumValue values[] =
+  {
+    { GIMP_COLOR_MANAGEMENT_OFF, "GIMP_COLOR_MANAGEMENT_OFF", "off" },
+    { GIMP_COLOR_MANAGEMENT_DISPLAY, "GIMP_COLOR_MANAGEMENT_DISPLAY", "display" },
+    { GIMP_COLOR_MANAGEMENT_SOFTPROOF, "GIMP_COLOR_MANAGEMENT_SOFTPROOF", "softproof" },
+    { 0, NULL, NULL }
+  };
+
+  static const GimpEnumDesc descs[] =
+  {
+    { GIMP_COLOR_MANAGEMENT_OFF, NC_("color-management-mode", "No color management"), NULL },
+    { GIMP_COLOR_MANAGEMENT_DISPLAY, NC_("color-management-mode", "Color-managed display"), NULL },
+    { GIMP_COLOR_MANAGEMENT_SOFTPROOF, NC_("color-management-mode", "Soft-proofing"), NULL },
+    { 0, NULL, NULL }
+  };
+
+  static GType type = 0;
+
+  if (G_UNLIKELY (! type))
+    {
+      type = g_enum_register_static ("GimpColorManagementMode", values);
+      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE "-libgimp");
+      gimp_type_set_translation_context (type, "color-management-mode");
+      gimp_enum_set_value_descriptions (type, descs);
+    }
+
+  return type;
+}
+
+GType
+gimp_color_rendering_intent_get_type (void)
+{
+  static const GEnumValue values[] =
+  {
+    { GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL, "GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL", "perceptual" },
+    { GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC, "GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC", "relative-colorimetric" },
+    { GIMP_COLOR_RENDERING_INTENT_SATURATION, "GIMP_COLOR_RENDERING_INTENT_SATURATION", "saturation" },
+    { GIMP_COLOR_RENDERING_INTENT_ABSOLUTE_COLORIMETRIC, "GIMP_COLOR_RENDERING_INTENT_ABSOLUTE_COLORIMETRIC", "absolute-colorimetric" },
+    { 0, NULL, NULL }
+  };
+
+  static const GimpEnumDesc descs[] =
+  {
+    { GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL, NC_("color-rendering-intent", "Perceptual"), NULL },
+    { GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC, NC_("color-rendering-intent", "Relative colorimetric"), NULL },
+    { GIMP_COLOR_RENDERING_INTENT_SATURATION, NC_("color-rendering-intent", "Saturation"), NULL },
+    { GIMP_COLOR_RENDERING_INTENT_ABSOLUTE_COLORIMETRIC, NC_("color-rendering-intent", "Absolute colorimetric"), NULL },
+    { 0, NULL, NULL }
+  };
+
+  static GType type = 0;
+
+  if (G_UNLIKELY (! type))
+    {
+      type = g_enum_register_static ("GimpColorRenderingIntent", values);
+      gimp_type_set_translation_domain (type, GETTEXT_PACKAGE "-libgimp");
+      gimp_type_set_translation_context (type, "color-rendering-intent");
+      gimp_enum_set_value_descriptions (type, descs);
+    }
+
+  return type;
+}
+
+
+/* Generated data ends here */
+
diff --git a/libgimpconfig/gimpconfigenums.h b/libgimpconfig/gimpconfigenums.h
new file mode 100644
index 0000000..ec5c759
--- /dev/null
+++ b/libgimpconfig/gimpconfigenums.h
@@ -0,0 +1,68 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpconfigenums.h
+ * Copyright (C) 2004  Stefan Döhla <stefan@doehla.de>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_CONFIG_ENUMS_H__
+#define __GIMP_CONFIG_ENUMS_H__
+
+
+#define GIMP_TYPE_COLOR_MANAGEMENT_MODE (gimp_color_management_mode_get_type ())
+
+GType gimp_color_management_mode_get_type (void) G_GNUC_CONST;
+
+/**
+ * GimpColorManagementMode:
+ * @GIMP_COLOR_MANAGEMENT_OFF:       Color management is off
+ * @GIMP_COLOR_MANAGEMENT_DISPLAY:   Color managed display
+ * @GIMP_COLOR_MANAGEMENT_SOFTPROOF: Soft-proofing
+ *
+ * Modes of color management.
+ **/
+typedef enum
+{
+  GIMP_COLOR_MANAGEMENT_OFF,       /*< desc="No color management"   >*/
+  GIMP_COLOR_MANAGEMENT_DISPLAY,   /*< desc="Color-managed display" >*/
+  GIMP_COLOR_MANAGEMENT_SOFTPROOF  /*< desc="Soft-proofing"      >*/
+} GimpColorManagementMode;
+
+
+#define GIMP_TYPE_COLOR_RENDERING_INTENT (gimp_color_rendering_intent_get_type ())
+
+GType gimp_color_rendering_intent_get_type (void) G_GNUC_CONST;
+
+/**
+ * GimpColorRenderingIntent:
+ * @GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL:            Preceptual
+ * @GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC: Relative colorimetric
+ * @GIMP_COLOR_RENDERING_INTENT_SATURATION:            Saturation
+ * @GIMP_COLOR_RENDERING_INTENT_ABSOLUTE_COLORIMETRIC: Absolute colorimetric
+ *
+ * Intents for color management.
+ **/
+typedef enum
+{
+  GIMP_COLOR_RENDERING_INTENT_PERCEPTUAL,            /*< desc="Perceptual"            >*/
+  GIMP_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC, /*< desc="Relative colorimetric" >*/
+  GIMP_COLOR_RENDERING_INTENT_SATURATION,            /*< desc="Saturation"            >*/
+  GIMP_COLOR_RENDERING_INTENT_ABSOLUTE_COLORIMETRIC  /*< desc="Absolute colorimetric" >*/
+} GimpColorRenderingIntent;
+
+
+#endif /* __GIMP_CONFIG_ENUMS_H__ */
diff --git a/libgimpconfig/gimpconfigtypes.h b/libgimpconfig/gimpconfigtypes.h
new file mode 100644
index 0000000..df2fc93
--- /dev/null
+++ b/libgimpconfig/gimpconfigtypes.h
@@ -0,0 +1,38 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * Config file serialization and deserialization interface
+ * Copyright (C) 2001-2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __GIMP_CONFIG_TYPES_H__
+#define __GIMP_CONFIG_TYPES_H__
+
+
+#include <libgimpbase/gimpbasetypes.h>
+
+
+typedef struct _GimpConfig        GimpConfig; /* dummy typedef */
+typedef struct _GimpConfigWriter  GimpConfigWriter;
+typedef gchar *                   GimpConfigPath; /* to satisfy docs */
+
+typedef struct _GimpColorConfig   GimpColorConfig;
+
+#include <libgimpconfig/gimpconfigenums.h>
+
+
+#endif  /* __GIMP_CONFIG_TYPES_H__ */
diff --git a/libgimpconfig/gimpconfigwriter.c b/libgimpconfig/gimpconfigwriter.c
new file mode 100644
index 0000000..bac83f3
--- /dev/null
+++ b/libgimpconfig/gimpconfigwriter.c
@@ -0,0 +1,799 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpConfigWriter
+ * Copyright (C) 2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gio/gio.h>
+
+#ifdef G_OS_WIN32
+#include <gio/gwin32outputstream.h>
+#else
+#include <gio/gunixoutputstream.h>
+#endif
+
+#include "libgimpbase/gimpbase.h"
+
+#include "gimpconfigtypes.h"
+
+#include "gimpconfigwriter.h"
+#include "gimpconfig-iface.h"
+#include "gimpconfig-error.h"
+#include "gimpconfig-serialize.h"
+#include "gimpconfig-utils.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpconfigwriter
+ * @title: GimpConfigWriter
+ * @short_description: Functions for writing config info to a file for
+ *                     libgimpconfig.
+ *
+ * Functions for writing config info to a file for libgimpconfig.
+ **/
+
+
+struct _GimpConfigWriter
+{
+  GOutputStream *output;
+  GFile         *file;
+  GError        *error;
+  GString       *buffer;
+  gboolean       comment;
+  gint           depth;
+  gint           marker;
+};
+
+
+static inline void  gimp_config_writer_flush        (GimpConfigWriter  *writer);
+static inline void  gimp_config_writer_newline      (GimpConfigWriter  *writer);
+static gboolean     gimp_config_writer_close_output (GimpConfigWriter  *writer,
+                                                     GError           **error);
+
+static inline void
+gimp_config_writer_flush (GimpConfigWriter *writer)
+{
+  GError *error = NULL;
+
+  if (! writer->output)
+    return;
+
+  if (! g_output_stream_write_all (writer->output,
+                                   writer->buffer->str,
+                                   writer->buffer->len,
+                                   NULL, NULL, &error))
+    {
+      g_set_error (&writer->error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_WRITE,
+                   _("Error writing to '%s': %s"),
+                   writer->file ?
+                   gimp_file_get_utf8_name (writer->file) : "output stream",
+                   error->message);
+      g_clear_error (&error);
+    }
+
+  g_string_truncate (writer->buffer, 0);
+}
+
+static inline void
+gimp_config_writer_newline (GimpConfigWriter *writer)
+{
+  gint i;
+
+  g_string_append_c (writer->buffer, '\n');
+
+  if (writer->comment)
+    g_string_append_len (writer->buffer, "# ", 2);
+
+  for (i = 0; i < writer->depth; i++)
+    g_string_append_len (writer->buffer, "    ", 4);
+}
+
+/**
+ * gimp_config_writer_new_file:
+ * @filename: a filename
+ * @atomic: if %TRUE the file is written atomically
+ * @header: text to include as comment at the top of the file
+ * @error: return location for errors
+ *
+ * Creates a new #GimpConfigWriter and sets it up to write to
+ * @filename. If @atomic is %TRUE, a temporary file is used to avoid
+ * possible race conditions. The temporary file is then moved to
+ * @filename when the writer is closed.
+ *
+ * Return value: a new #GimpConfigWriter or %NULL in case of an error
+ *
+ * Since: 2.4
+ **/
+GimpConfigWriter *
+gimp_config_writer_new_file (const gchar  *filename,
+                             gboolean      atomic,
+                             const gchar  *header,
+                             GError      **error)
+{
+  GimpConfigWriter *writer;
+  GFile            *file;
+
+  g_return_val_if_fail (filename != NULL, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  file = g_file_new_for_path (filename);
+
+  writer = gimp_config_writer_new_gfile (file, atomic, header, error);
+
+  g_object_unref (file);
+
+  return writer;
+}
+
+/**
+ * gimp_config_writer_new_gfile:
+ * @file: a #GFile
+ * @atomic: if %TRUE the file is written atomically
+ * @header: text to include as comment at the top of the file
+ * @error: return location for errors
+ *
+ * Creates a new #GimpConfigWriter and sets it up to write to
+ * @file. If @atomic is %TRUE, a temporary file is used to avoid
+ * possible race conditions. The temporary file is then moved to @file
+ * when the writer is closed.
+ *
+ * Return value: a new #GimpConfigWriter or %NULL in case of an error
+ *
+ * Since: 2.10
+ **/
+GimpConfigWriter *
+gimp_config_writer_new_gfile (GFile        *file,
+                              gboolean      atomic,
+                              const gchar  *header,
+                              GError      **error)
+{
+  GimpConfigWriter *writer;
+  GOutputStream    *output;
+  GFile            *dir;
+
+  g_return_val_if_fail (G_IS_FILE (file), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  dir = g_file_get_parent (file);
+  if (dir && ! g_file_query_exists (dir, NULL))
+    {
+      if (! g_file_make_directory_with_parents (dir, NULL, error))
+        g_prefix_error (error,
+                        _("Could not create directory '%s' for '%s': "),
+                        gimp_file_get_utf8_name (dir),
+                        gimp_file_get_utf8_name (file));
+    }
+  g_object_unref (dir);
+
+  if (error && *error)
+    return NULL;
+
+  if (atomic)
+    {
+      output = G_OUTPUT_STREAM (g_file_replace (file,
+                                                NULL, FALSE, G_FILE_CREATE_NONE,
+                                                NULL, error));
+      if (! output)
+        g_prefix_error (error,
+                        _("Could not create temporary file for '%s': "),
+                        gimp_file_get_utf8_name (file));
+    }
+  else
+    {
+      output = G_OUTPUT_STREAM (g_file_replace (file,
+                                                NULL, FALSE,
+                                                G_FILE_CREATE_REPLACE_DESTINATION,
+                                                NULL, error));
+    }
+
+  if (! output)
+    return NULL;
+
+  writer = g_slice_new0 (GimpConfigWriter);
+
+  writer->output = output;
+  writer->file   = g_object_ref (file);
+  writer->buffer = g_string_new (NULL);
+
+  if (header)
+    {
+      gimp_config_writer_comment (writer, header);
+      gimp_config_writer_linefeed (writer);
+    }
+
+  return writer;
+}
+
+/**
+ * gimp_config_writer_new_stream:
+ * @output: a #GOutputStream
+ * @header: text to include as comment at the top of the file
+ * @error: return location for errors
+ *
+ * Creates a new #GimpConfigWriter and sets it up to write to
+ * @output.
+ *
+ * Return value: a new #GimpConfigWriter or %NULL in case of an error
+ *
+ * Since: 2.10
+ **/
+GimpConfigWriter *
+gimp_config_writer_new_stream (GOutputStream  *output,
+                               const gchar    *header,
+                               GError        **error)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (G_IS_OUTPUT_STREAM (output), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  writer = g_slice_new0 (GimpConfigWriter);
+
+  writer->output = g_object_ref (output);
+  writer->buffer = g_string_new (NULL);
+
+  if (header)
+    {
+      gimp_config_writer_comment (writer, header);
+      gimp_config_writer_linefeed (writer);
+    }
+
+  return writer;
+}
+
+/**
+ * gimp_config_writer_new_fd:
+ * @fd:
+ *
+ * Return value: a new #GimpConfigWriter or %NULL in case of an error
+ *
+ * Since: 2.4
+ **/
+GimpConfigWriter *
+gimp_config_writer_new_fd (gint fd)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (fd > 0, NULL);
+
+  writer = g_slice_new0 (GimpConfigWriter);
+
+#ifdef G_OS_WIN32
+  writer->output = g_win32_output_stream_new ((gpointer) fd, FALSE);
+#else
+  writer->output = g_unix_output_stream_new (fd, FALSE);
+#endif
+
+  writer->buffer = g_string_new (NULL);
+
+  return writer;
+}
+
+/**
+ * gimp_config_writer_new_string:
+ * @string:
+ *
+ * Return value: a new #GimpConfigWriter or %NULL in case of an error
+ *
+ * Since: 2.4
+ **/
+GimpConfigWriter *
+gimp_config_writer_new_string (GString *string)
+{
+  GimpConfigWriter *writer;
+
+  g_return_val_if_fail (string != NULL, NULL);
+
+  writer = g_slice_new0 (GimpConfigWriter);
+
+  writer->buffer = string;
+
+  return writer;
+}
+
+/**
+ * gimp_config_writer_comment_mode:
+ * @writer: a #GimpConfigWriter
+ * @enable: %TRUE to enable comment mode, %FALSE to disable it
+ *
+ * This function toggles whether the @writer should create commented
+ * or uncommented output. This feature is used to generate the
+ * system-wide installed gimprc that documents the default settings.
+ *
+ * Since comments have to start at the beginning of a line, this
+ * function will insert a newline if necessary.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_comment_mode (GimpConfigWriter *writer,
+                                 gboolean          enable)
+{
+  g_return_if_fail (writer != NULL);
+
+  if (writer->error)
+    return;
+
+  enable = (enable ? TRUE : FALSE);
+
+  if (writer->comment == enable)
+    return;
+
+  writer->comment = enable;
+
+  if (enable)
+    {
+     if (writer->buffer->len == 0)
+       g_string_append_len (writer->buffer, "# ", 2);
+     else
+       gimp_config_writer_newline (writer);
+    }
+}
+
+
+/**
+ * gimp_config_writer_open:
+ * @writer: a #GimpConfigWriter
+ * @name: name of the element to open
+ *
+ * This function writes the opening parenthesis followed by @name.
+ * It also increases the indentation level and sets a mark that
+ * can be used by gimp_config_writer_revert().
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_open (GimpConfigWriter *writer,
+                         const gchar      *name)
+{
+  g_return_if_fail (writer != NULL);
+  g_return_if_fail (name != NULL);
+
+  if (writer->error)
+    return;
+
+  /* store the current buffer length so we can revert to this state */
+  writer->marker = writer->buffer->len;
+
+  if (writer->depth > 0)
+    gimp_config_writer_newline (writer);
+
+  writer->depth++;
+
+  g_string_append_printf (writer->buffer, "(%s", name);
+}
+
+/**
+ * gimp_config_writer_print:
+ * @writer: a #GimpConfigWriter
+ * @string: a string to write
+ * @len: number of bytes from @string or -1 if @string is NUL-terminated.
+ *
+ * Appends a space followed by @string to the @writer. Note that string
+ * must not contain any special characters that might need to be escaped.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_print (GimpConfigWriter  *writer,
+                          const gchar       *string,
+                          gint               len)
+{
+  g_return_if_fail (writer != NULL);
+  g_return_if_fail (len == 0 || string != NULL);
+
+  if (writer->error)
+    return;
+
+  if (len < 0)
+    len = strlen (string);
+
+  if (len)
+    {
+      g_string_append_c (writer->buffer, ' ');
+      g_string_append_len (writer->buffer, string, len);
+    }
+}
+
+/**
+ * gimp_config_writer_printf:
+ * @writer: a #GimpConfigWriter
+ * @format: a format string as described for g_strdup_printf().
+ * @...: list of arguments according to @format
+ *
+ * A printf-like function for #GimpConfigWriter.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_printf (GimpConfigWriter *writer,
+                           const gchar      *format,
+                           ...)
+{
+  gchar   *buffer;
+  va_list  args;
+
+  g_return_if_fail (writer != NULL);
+  g_return_if_fail (format != NULL);
+
+  if (writer->error)
+    return;
+
+  va_start (args, format);
+  buffer = g_strdup_vprintf (format, args);
+  va_end (args);
+
+  g_string_append_c (writer->buffer, ' ');
+  g_string_append (writer->buffer, buffer);
+
+  g_free (buffer);
+}
+
+/**
+ * gimp_config_writer_string:
+ * @writer: a #GimpConfigWriter
+ * @string: a NUL-terminated string
+ *
+ * Writes a string value to @writer. The @string is quoted and special
+ * characters are escaped.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_string (GimpConfigWriter *writer,
+                           const gchar      *string)
+{
+  g_return_if_fail (writer != NULL);
+
+  if (writer->error)
+    return;
+
+  g_string_append_c (writer->buffer, ' ');
+  gimp_config_string_append_escaped (writer->buffer, string);
+}
+
+/**
+ * gimp_config_writer_identifier:
+ * @writer:     a #GimpConfigWriter
+ * @identifier: a NUL-terminated string
+ *
+ * Writes an identifier to @writer. The @string is *not* quoted and special
+ * characters are *not* escaped.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_identifier (GimpConfigWriter *writer,
+                               const gchar      *identifier)
+{
+  g_return_if_fail (writer != NULL);
+  g_return_if_fail (identifier != NULL);
+
+  if (writer->error)
+    return;
+
+  g_string_append_printf (writer->buffer, " %s", identifier);
+}
+
+
+/**
+ * gimp_config_writer_data:
+ * @writer: a #GimpConfigWriter
+ * @length:
+ * @data:
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_data (GimpConfigWriter *writer,
+                         gint              length,
+                         const guint8     *data)
+{
+  gint i;
+
+  g_return_if_fail (writer != NULL);
+  g_return_if_fail (length >= 0);
+  g_return_if_fail (data != NULL || length == 0);
+
+  if (writer->error)
+    return;
+
+  g_string_append (writer->buffer, " \"");
+
+  for (i = 0; i < length; i++)
+    {
+      if (g_ascii_isalpha (data[i]))
+        g_string_append_c (writer->buffer, data[i]);
+      else
+        g_string_append_printf (writer->buffer, "\\%o", data[i]);
+    }
+
+  g_string_append (writer->buffer, "\"");
+}
+
+/**
+ * gimp_config_writer_revert:
+ * @writer: a #GimpConfigWriter
+ *
+ * Reverts all changes to @writer that were done since the last call
+ * to gimp_config_writer_open(). This can only work if you didn't call
+ * gimp_config_writer_close() yet.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_revert (GimpConfigWriter *writer)
+{
+  g_return_if_fail (writer != NULL);
+
+  if (writer->error)
+    return;
+
+  g_return_if_fail (writer->depth > 0);
+  g_return_if_fail (writer->marker != -1);
+
+  g_string_truncate (writer->buffer, writer->marker);
+
+  writer->depth--;
+  writer->marker = -1;
+}
+
+/**
+ * gimp_config_writer_close:
+ * @writer: a #GimpConfigWriter
+ *
+ * Closes an element opened with gimp_config_writer_open().
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_close (GimpConfigWriter *writer)
+{
+  g_return_if_fail (writer != NULL);
+
+  if (writer->error)
+    return;
+
+  g_return_if_fail (writer->depth > 0);
+
+  g_string_append_c (writer->buffer, ')');
+
+  if (--writer->depth == 0)
+    {
+      g_string_append_c (writer->buffer, '\n');
+
+      gimp_config_writer_flush (writer);
+    }
+}
+
+/**
+ * gimp_config_writer_finish:
+ * @writer: a #GimpConfigWriter
+ * @footer: text to include as comment at the bottom of the file
+ * @error: return location for possible errors
+ *
+ * This function finishes the work of @writer and frees it afterwards.
+ * It closes all open elements, appends an optional comment and
+ * releases all resources allocated by @writer. You must not access
+ * the @writer afterwards.
+ *
+ * Return value: %TRUE if everything could be successfully written,
+ *               %FALSE otherwise
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_config_writer_finish (GimpConfigWriter  *writer,
+                           const gchar       *footer,
+                           GError           **error)
+{
+  gboolean success = TRUE;
+
+  g_return_val_if_fail (writer != NULL, FALSE);
+  g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+  if (writer->depth < 0)
+    {
+      g_warning ("gimp_config_writer_finish: depth < 0 !!");
+    }
+  else
+    {
+      while (writer->depth)
+        gimp_config_writer_close (writer);
+    }
+
+  if (footer)
+    {
+      gimp_config_writer_linefeed (writer);
+      gimp_config_writer_comment (writer, footer);
+    }
+
+  if (writer->output)
+    {
+      success = gimp_config_writer_close_output (writer, error);
+
+      if (writer->file)
+        g_object_unref (writer->file);
+
+      g_string_free (writer->buffer, TRUE);
+    }
+
+  if (writer->error)
+    {
+      if (error && *error == NULL)
+        g_propagate_error (error, writer->error);
+      else
+        g_clear_error (&writer->error);
+
+      success = FALSE;
+    }
+
+  g_slice_free (GimpConfigWriter, writer);
+
+  return success;
+}
+
+void
+gimp_config_writer_linefeed (GimpConfigWriter *writer)
+{
+  g_return_if_fail (writer != NULL);
+
+  if (writer->error)
+    return;
+
+  if (writer->output && writer->buffer->len == 0 && !writer->comment)
+    {
+      GError *error = NULL;
+
+      if (! g_output_stream_write_all (writer->output, "\n", 1,
+                                       NULL, NULL, &error))
+        {
+          g_set_error (&writer->error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_WRITE,
+                       _("Error writing to '%s': %s"),
+                       writer->file ?
+                       gimp_file_get_utf8_name (writer->file) : "output stream",
+                       error->message);
+          g_clear_error (&error);
+        }
+    }
+  else
+    {
+      gimp_config_writer_newline (writer);
+    }
+}
+
+/**
+ * gimp_config_writer_comment:
+ * @writer: a #GimpConfigWriter
+ * @comment: the comment to write (ASCII only)
+ *
+ * Appends the @comment to @str and inserts linebreaks and hash-marks to
+ * format it as a comment. Note that this function does not handle non-ASCII
+ * characters.
+ *
+ * Since: 2.4
+ **/
+void
+gimp_config_writer_comment (GimpConfigWriter *writer,
+                            const gchar      *comment)
+{
+  const gchar *s;
+  gboolean     comment_mode;
+  gint         i, len, space;
+
+#define LINE_LENGTH 75
+
+  g_return_if_fail (writer != NULL);
+
+  if (writer->error)
+    return;
+
+  g_return_if_fail (writer->depth == 0);
+
+  if (!comment)
+    return;
+
+  comment_mode = writer->comment;
+  gimp_config_writer_comment_mode (writer, TRUE);
+
+  len = strlen (comment);
+
+  while (len > 0)
+    {
+      for (s = comment, i = 0, space = 0;
+           *s != '\n' && (i <= LINE_LENGTH || space == 0) && i < len;
+           s++, i++)
+        {
+          if (g_ascii_isspace (*s))
+            space = i;
+        }
+
+      if (i > LINE_LENGTH && space && *s != '\n')
+        i = space;
+
+      g_string_append_len (writer->buffer, comment, i);
+
+      i++;
+
+      comment += i;
+      len     -= i;
+
+      if (len > 0)
+        gimp_config_writer_newline (writer);
+    }
+
+  gimp_config_writer_comment_mode (writer, comment_mode);
+  gimp_config_writer_newline (writer);
+
+  if (writer->depth == 0)
+    gimp_config_writer_flush (writer);
+
+#undef LINE_LENGTH
+}
+
+static gboolean
+gimp_config_writer_close_output (GimpConfigWriter  *writer,
+                                 GError           **error)
+{
+  g_return_val_if_fail (writer->output != NULL, FALSE);
+
+  if (writer->error)
+    {
+      GCancellable *cancellable = g_cancellable_new ();
+
+      /* Cancel the overwrite initiated by g_file_replace(). */
+      g_cancellable_cancel (cancellable);
+      g_output_stream_close (writer->output, cancellable, NULL);
+      g_object_unref (cancellable);
+
+      g_object_unref (writer->output);
+      writer->output = NULL;
+
+      return FALSE;
+    }
+
+  if (writer->file)
+    {
+      GError *my_error = NULL;
+
+      if (! g_output_stream_close (writer->output, NULL, &my_error))
+        {
+          g_set_error (error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_WRITE,
+                       _("Error writing '%s': %s"),
+                       gimp_file_get_utf8_name (writer->file),
+                       my_error->message);
+          g_clear_error (&my_error);
+
+          g_object_unref (writer->output);
+          writer->output = NULL;
+
+          return FALSE;
+        }
+    }
+
+  g_object_unref (writer->output);
+  writer->output = NULL;
+
+  return TRUE;
+}
diff --git a/libgimpconfig/gimpconfigwriter.h b/libgimpconfig/gimpconfigwriter.h
new file mode 100644
index 0000000..91a1a10
--- /dev/null
+++ b/libgimpconfig/gimpconfigwriter.h
@@ -0,0 +1,74 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpConfigWriter
+ * Copyright (C) 2003  Sven Neumann <sven@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_CONFIG_WRITER_H__
+#define __GIMP_CONFIG_WRITER_H__
+
+
+GimpConfigWriter * gimp_config_writer_new_file     (const gchar       *filename,
+                                                    gboolean           atomic,
+                                                    const gchar       *header,
+                                                    GError           **error);
+GimpConfigWriter * gimp_config_writer_new_gfile    (GFile             *file,
+                                                    gboolean           atomic,
+                                                    const gchar       *header,
+                                                    GError           **error);
+GimpConfigWriter * gimp_config_writer_new_stream   (GOutputStream     *output,
+                                                    const gchar       *header,
+                                                    GError           **error);
+GimpConfigWriter * gimp_config_writer_new_fd       (gint               fd);
+GimpConfigWriter * gimp_config_writer_new_string   (GString           *string);
+
+void               gimp_config_writer_open         (GimpConfigWriter  *writer,
+                                                    const gchar       *name);
+void               gimp_config_writer_comment_mode (GimpConfigWriter  *writer,
+                                                    gboolean           enable);
+
+void               gimp_config_writer_print        (GimpConfigWriter  *writer,
+                                                    const gchar       *string,
+                                                    gint               len);
+void               gimp_config_writer_printf       (GimpConfigWriter  *writer,
+                                                    const gchar       *format,
+                                                    ...) G_GNUC_PRINTF (2, 3);
+void               gimp_config_writer_identifier   (GimpConfigWriter  *writer,
+                                                    const gchar       *identifier);
+void               gimp_config_writer_string       (GimpConfigWriter  *writer,
+                                                    const gchar       *string);
+void               gimp_config_writer_data         (GimpConfigWriter  *writer,
+                                                    gint               length,
+                                                    const guint8      *data);
+void               gimp_config_writer_comment      (GimpConfigWriter  *writer,
+                                                    const gchar       *comment);
+void               gimp_config_writer_linefeed     (GimpConfigWriter  *writer);
+
+
+void               gimp_config_writer_revert       (GimpConfigWriter  *writer);
+void               gimp_config_writer_close        (GimpConfigWriter  *writer);
+gboolean           gimp_config_writer_finish       (GimpConfigWriter  *writer,
+                                                    const gchar       *footer,
+                                                    GError           **error);
+
+
+#endif /* __GIMP_CONFIG_WRITER_H__ */
diff --git a/libgimpconfig/gimpscanner.c b/libgimpconfig/gimpscanner.c
new file mode 100644
index 0000000..8f65d08
--- /dev/null
+++ b/libgimpconfig/gimpscanner.c
@@ -0,0 +1,871 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpscanner.c
+ * Copyright (C) 2002  Sven Neumann <sven@gimp.org>
+ *                     Michael Natterer <mitch@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+#include <errno.h>
+
+#include <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpcolor/gimpcolor.h"
+#include "libgimpmath/gimpmath.h"
+
+#include "gimpconfig-error.h"
+#include "gimpscanner.h"
+
+#include "libgimp/libgimp-intl.h"
+
+
+/**
+ * SECTION: gimpscanner
+ * @title: GimpScanner
+ * @short_description: A wrapper around #GScanner with some convenience API.
+ *
+ * A wrapper around #GScanner with some convenience API.
+ **/
+
+
+typedef struct
+{
+  gchar        *name;
+  GMappedFile  *mapped;
+  gchar        *text;
+  GError      **error;
+} GimpScannerData;
+
+
+/*  local function prototypes  */
+
+static GScanner * gimp_scanner_new     (const gchar  *name,
+                                        GMappedFile  *mapped,
+                                        gchar        *text,
+                                        GError      **error);
+static void       gimp_scanner_message (GScanner     *scanner,
+                                        gchar        *message,
+                                        gboolean      is_error);
+
+
+/*  public functions  */
+
+/**
+ * gimp_scanner_new_file:
+ * @filename:
+ * @error:
+ *
+ * Return value:
+ *
+ * Since: 2.4
+ **/
+GScanner *
+gimp_scanner_new_file (const gchar  *filename,
+                       GError      **error)
+{
+  GScanner *scanner;
+  GFile    *file;
+
+  g_return_val_if_fail (filename != NULL, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  file = g_file_new_for_path (filename);
+  scanner = gimp_scanner_new_gfile (file, error);
+  g_object_unref (file);
+
+  return scanner;
+}
+
+/**
+ * gimp_scanner_new_gfile:
+ * @file: a #GFile
+ * @error: return location for #GError, or %NULL
+ *
+ * Return value: The new #GScanner.
+ *
+ * Since: 2.10
+ **/
+GScanner *
+gimp_scanner_new_gfile (GFile   *file,
+                        GError **error)
+{
+  GScanner *scanner;
+  gchar    *path;
+
+  g_return_val_if_fail (G_IS_FILE (file), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  path = g_file_get_path (file);
+
+  if (path)
+    {
+      GMappedFile *mapped;
+
+      mapped = g_mapped_file_new (path, FALSE, error);
+      g_free (path);
+
+      if (! mapped)
+        {
+          if (error)
+            {
+              (*error)->domain = GIMP_CONFIG_ERROR;
+              (*error)->code   = ((*error)->code == G_FILE_ERROR_NOENT ?
+                                  GIMP_CONFIG_ERROR_OPEN_ENOENT :
+                                  GIMP_CONFIG_ERROR_OPEN);
+            }
+
+          return NULL;
+        }
+
+      /*  gimp_scanner_new() takes a "name" for the scanner, not a filename  */
+      scanner = gimp_scanner_new (gimp_file_get_utf8_name (file),
+                                  mapped, NULL, error);
+
+      g_scanner_input_text (scanner,
+                            g_mapped_file_get_contents (mapped),
+                            g_mapped_file_get_length (mapped));
+    }
+  else
+    {
+      GInputStream *input;
+
+      input = G_INPUT_STREAM (g_file_read (file, NULL, error));
+
+      if (! input)
+        {
+          if (error)
+            {
+              (*error)->domain = GIMP_CONFIG_ERROR;
+              (*error)->code   = ((*error)->code == G_IO_ERROR_NOT_FOUND ?
+                                  GIMP_CONFIG_ERROR_OPEN_ENOENT :
+                                  GIMP_CONFIG_ERROR_OPEN);
+            }
+
+          return NULL;
+        }
+
+      g_object_set_data (G_OBJECT (input), "gimp-data", file);
+
+      scanner = gimp_scanner_new_stream (input, error);
+
+      g_object_unref (input);
+    }
+
+  return scanner;
+}
+
+/**
+ * gimp_scanner_new_stream:
+ * @input: a #GInputStream
+ * @error: return location for #GError, or %NULL
+ *
+ * Return value: The new #GScanner.
+ *
+ * Since: 2.10
+ **/
+GScanner *
+gimp_scanner_new_stream (GInputStream  *input,
+                         GError       **error)
+{
+  GScanner    *scanner;
+  GFile       *file;
+  const gchar *path;
+  GString     *string;
+  gchar        buffer[4096];
+  gsize        bytes_read;
+
+  g_return_val_if_fail (G_IS_INPUT_STREAM (input), NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  file = g_object_get_data (G_OBJECT (input), "gimp-file");
+  if (file)
+    path = gimp_file_get_utf8_name (file);
+  else
+    path = "stream";
+
+  string = g_string_new (NULL);
+
+  do
+    {
+      GError   *my_error = NULL;
+      gboolean  success;
+
+      success = g_input_stream_read_all (input, buffer, sizeof (buffer),
+                                         &bytes_read, NULL, &my_error);
+
+      if (bytes_read > 0)
+        g_string_append_len (string, buffer, bytes_read);
+
+      if (! success)
+        {
+          if (string->len > 0)
+            {
+              g_printerr ("%s: read error in '%s', trying to scan "
+                          "partial content: %s",
+                          G_STRFUNC, path, my_error->message);
+              g_clear_error (&my_error);
+              break;
+            }
+
+          g_string_free (string, TRUE);
+
+          g_propagate_error (error, my_error);
+
+          return NULL;
+        }
+    }
+  while (bytes_read == sizeof (buffer));
+
+  /*  gimp_scanner_new() takes a "name" for the scanner, not a filename  */
+  scanner = gimp_scanner_new (path, NULL, string->str, error);
+
+  bytes_read = string->len;
+
+  g_scanner_input_text (scanner, g_string_free (string, FALSE), bytes_read);
+
+  return scanner;
+}
+
+/**
+ * gimp_scanner_new_string:
+ * @text:
+ * @text_len:
+ * @error:
+ *
+ * Return value:
+ *
+ * Since: 2.4
+ **/
+GScanner *
+gimp_scanner_new_string (const gchar  *text,
+                         gint          text_len,
+                         GError      **error)
+{
+  GScanner *scanner;
+
+  g_return_val_if_fail (text != NULL || text_len <= 0, NULL);
+  g_return_val_if_fail (error == NULL || *error == NULL, NULL);
+
+  if (text_len < 0)
+    text_len = text ? strlen (text) : 0;
+
+  scanner = gimp_scanner_new (NULL, NULL, NULL, error);
+
+  g_scanner_input_text (scanner, text, text_len);
+
+  return scanner;
+}
+
+static GScanner *
+gimp_scanner_new (const gchar  *name,
+                  GMappedFile  *mapped,
+                  gchar        *text,
+                  GError      **error)
+{
+  GScanner        *scanner;
+  GimpScannerData *data;
+
+  scanner = g_scanner_new (NULL);
+
+  data = g_slice_new0 (GimpScannerData);
+
+  data->name   = g_strdup (name);
+  data->mapped = mapped;
+  data->text   = text;
+  data->error  = error;
+
+  scanner->user_data   = data;
+  scanner->msg_handler = gimp_scanner_message;
+
+  scanner->config->cset_identifier_first = ( G_CSET_a_2_z G_CSET_A_2_Z );
+  scanner->config->cset_identifier_nth   = ( G_CSET_a_2_z G_CSET_A_2_Z
+                                             G_CSET_DIGITS "-_" );
+  scanner->config->scan_identifier_1char = TRUE;
+
+  scanner->config->store_int64           = TRUE;
+
+  return scanner;
+}
+
+/**
+ * gimp_scanner_destroy:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ *
+ * Since: 2.4
+ **/
+void
+gimp_scanner_destroy (GScanner *scanner)
+{
+  GimpScannerData *data;
+
+  g_return_if_fail (scanner != NULL);
+
+  data = scanner->user_data;
+
+  if (data->mapped)
+    g_mapped_file_unref (data->mapped);
+
+  if (data->text)
+    g_free (data->text);
+
+  g_free (data->name);
+  g_slice_free (GimpScannerData, data);
+
+  g_scanner_destroy (scanner);
+}
+
+/**
+ * gimp_scanner_parse_token:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @token: the #GTokenType expected as next token.
+ *
+ * Return value: %TRUE if the next token is @token, %FALSE otherwise.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_token (GScanner   *scanner,
+                          GTokenType  token)
+{
+  if (g_scanner_peek_next_token (scanner) != token)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_identifier:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @identifier: the expected identifier.
+ *
+ * Return value: %TRUE if the next token is an identifier and if its
+ * value matches @identifier.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_identifier (GScanner    *scanner,
+                               const gchar *identifier)
+{
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_IDENTIFIER)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (strcmp (scanner->value.v_identifier, identifier))
+    return FALSE;
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_string:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Return location for the parsed string
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_string (GScanner  *scanner,
+                           gchar    **dest)
+{
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_STRING)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (*scanner->value.v_string)
+    {
+      if (! g_utf8_validate (scanner->value.v_string, -1, NULL))
+        {
+          g_scanner_warn (scanner, _("invalid UTF-8 string"));
+          return FALSE;
+        }
+
+      *dest = g_strdup (scanner->value.v_string);
+    }
+  else
+    {
+      *dest = NULL;
+    }
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_string_no_validate:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Return location for the parsed string
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_string_no_validate (GScanner  *scanner,
+                                       gchar    **dest)
+{
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_STRING)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (*scanner->value.v_string)
+    *dest = g_strdup (scanner->value.v_string);
+  else
+    *dest = NULL;
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_data:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @length: Length of the data to parse
+ * @dest: Return location for the parsed data
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_data (GScanner  *scanner,
+                         gint       length,
+                         guint8   **dest)
+{
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_STRING)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (scanner->value.v_string)
+    *dest = g_memdup (scanner->value.v_string, length);
+  else
+    *dest = NULL;
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_int:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Return location for the parsed integer
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_int (GScanner *scanner,
+                        gint     *dest)
+{
+  gboolean negate = FALSE;
+
+  if (g_scanner_peek_next_token (scanner) == '-')
+    {
+      negate = TRUE;
+      g_scanner_get_next_token (scanner);
+    }
+
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_INT)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (negate)
+    *dest = -scanner->value.v_int64;
+  else
+    *dest = scanner->value.v_int64;
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_int64:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Return location for the parsed integer
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.8
+ **/
+gboolean
+gimp_scanner_parse_int64 (GScanner *scanner,
+                          gint64   *dest)
+{
+  gboolean negate = FALSE;
+
+  if (g_scanner_peek_next_token (scanner) == '-')
+    {
+      negate = TRUE;
+      g_scanner_get_next_token (scanner);
+    }
+
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_INT)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (negate)
+    *dest = -scanner->value.v_int64;
+  else
+    *dest = scanner->value.v_int64;
+
+  return TRUE;
+}
+
+/**
+ * gimp_scanner_parse_float:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Return location for the parsed float
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_float (GScanner *scanner,
+                          gdouble  *dest)
+{
+  gboolean negate = FALSE;
+
+  if (g_scanner_peek_next_token (scanner) == '-')
+    {
+      negate = TRUE;
+      g_scanner_get_next_token (scanner);
+    }
+
+  if (g_scanner_peek_next_token (scanner) == G_TOKEN_FLOAT)
+    {
+      g_scanner_get_next_token (scanner);
+
+      if (negate)
+        *dest = -scanner->value.v_float;
+      else
+        *dest = scanner->value.v_float;
+
+      return TRUE;
+    }
+  else if (g_scanner_peek_next_token (scanner) == G_TOKEN_INT)
+    {
+      g_scanner_get_next_token (scanner);
+
+      if (negate)
+        *dest = -scanner->value.v_int;
+      else
+        *dest = scanner->value.v_int;
+
+      return TRUE;
+    }
+
+  return FALSE;
+}
+
+/**
+ * gimp_scanner_parse_boolean:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Return location for the parsed boolean
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_boolean (GScanner *scanner,
+                            gboolean *dest)
+{
+  if (g_scanner_peek_next_token (scanner) != G_TOKEN_IDENTIFIER)
+    return FALSE;
+
+  g_scanner_get_next_token (scanner);
+
+  if (! g_ascii_strcasecmp (scanner->value.v_identifier, "yes") ||
+      ! g_ascii_strcasecmp (scanner->value.v_identifier, "true"))
+    {
+      *dest = TRUE;
+    }
+  else if (! g_ascii_strcasecmp (scanner->value.v_identifier, "no") ||
+           ! g_ascii_strcasecmp (scanner->value.v_identifier, "false"))
+    {
+      *dest = FALSE;
+    }
+  else
+    {
+      g_scanner_error
+        (scanner,
+         /* please don't translate 'yes' and 'no' */
+         _("expected 'yes' or 'no' for boolean token, got '%s'"),
+         scanner->value.v_identifier);
+
+      return FALSE;
+    }
+
+  return TRUE;
+}
+
+enum
+{
+  COLOR_RGB  = 1,
+  COLOR_RGBA,
+  COLOR_HSV,
+  COLOR_HSVA
+};
+
+/**
+ * gimp_scanner_parse_color:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Pointer to a color to store the result
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_color (GScanner *scanner,
+                          GimpRGB  *dest)
+{
+  guint      scope_id;
+  guint      old_scope_id;
+  GTokenType token;
+  GimpRGB    color = { 0.0, 0.0, 0.0, 1.0 };
+
+  scope_id = g_quark_from_static_string ("gimp_scanner_parse_color");
+  old_scope_id = g_scanner_set_scope (scanner, scope_id);
+
+  if (! g_scanner_scope_lookup_symbol (scanner, scope_id, "color-rgb"))
+    {
+      g_scanner_scope_add_symbol (scanner, scope_id,
+                                  "color-rgb", GINT_TO_POINTER (COLOR_RGB));
+      g_scanner_scope_add_symbol (scanner, scope_id,
+                                  "color-rgba", GINT_TO_POINTER (COLOR_RGBA));
+      g_scanner_scope_add_symbol (scanner, scope_id,
+                                  "color-hsv", GINT_TO_POINTER (COLOR_HSV));
+      g_scanner_scope_add_symbol (scanner, scope_id,
+                                  "color-hsva", GINT_TO_POINTER (COLOR_HSVA));
+    }
+
+  token = G_TOKEN_LEFT_PAREN;
+
+  while (g_scanner_peek_next_token (scanner) == token)
+    {
+      token = g_scanner_get_next_token (scanner);
+
+      switch (token)
+        {
+        case G_TOKEN_LEFT_PAREN:
+          token = G_TOKEN_SYMBOL;
+          break;
+
+        case G_TOKEN_SYMBOL:
+          {
+            gdouble  col[4]     = { 0.0, 0.0, 0.0, 1.0 };
+            gint     n_channels = 4;
+            gboolean is_hsv     = FALSE;
+            gint     i;
+
+            switch (GPOINTER_TO_INT (scanner->value.v_symbol))
+              {
+              case COLOR_RGB:
+                n_channels = 3;
+                /* fallthrough */
+              case COLOR_RGBA:
+                break;
+
+              case COLOR_HSV:
+                n_channels = 3;
+                /* fallthrough */
+              case COLOR_HSVA:
+                is_hsv = TRUE;
+                break;
+              }
+
+            token = G_TOKEN_FLOAT;
+
+            for (i = 0; i < n_channels; i++)
+              {
+                if (! gimp_scanner_parse_float (scanner, &col[i]))
+                  goto finish;
+              }
+
+            if (is_hsv)
+              {
+                GimpHSV hsv;
+
+                gimp_hsva_set (&hsv, col[0], col[1], col[2], col[3]);
+                gimp_hsv_to_rgb (&hsv, &color);
+              }
+            else
+              {
+                gimp_rgba_set (&color, col[0], col[1], col[2], col[3]);
+              }
+
+            token = G_TOKEN_RIGHT_PAREN;
+          }
+          break;
+
+        case G_TOKEN_RIGHT_PAREN:
+          token = G_TOKEN_NONE; /* indicates success */
+          goto finish;
+
+        default: /* do nothing */
+          break;
+        }
+    }
+
+ finish:
+
+  if (token != G_TOKEN_NONE)
+    {
+      g_scanner_get_next_token (scanner);
+      g_scanner_unexp_token (scanner, token, NULL, NULL, NULL,
+                             _("fatal parse error"), TRUE);
+    }
+  else
+    {
+      *dest = color;
+    }
+
+  g_scanner_set_scope (scanner, old_scope_id);
+
+  return (token == G_TOKEN_NONE);
+}
+
+/**
+ * gimp_scanner_parse_matrix2:
+ * @scanner: A #GScanner created by gimp_scanner_new_file() or
+ *           gimp_scanner_new_string()
+ * @dest: Pointer to a matrix to store the result
+ *
+ * Return value: %TRUE on success
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_scanner_parse_matrix2 (GScanner    *scanner,
+                            GimpMatrix2 *dest)
+{
+  guint        scope_id;
+  guint        old_scope_id;
+  GTokenType   token;
+  GimpMatrix2  matrix;
+
+  scope_id = g_quark_from_static_string ("gimp_scanner_parse_matrix");
+  old_scope_id = g_scanner_set_scope (scanner, scope_id);
+
+  if (! g_scanner_scope_lookup_symbol (scanner, scope_id, "matrix"))
+    g_scanner_scope_add_symbol (scanner, scope_id,
+                                "matrix", GINT_TO_POINTER (0));
+
+  token = G_TOKEN_LEFT_PAREN;
+
+  while (g_scanner_peek_next_token (scanner) == token)
+    {
+      token = g_scanner_get_next_token (scanner);
+
+      switch (token)
+        {
+        case G_TOKEN_LEFT_PAREN:
+          token = G_TOKEN_SYMBOL;
+          break;
+
+        case G_TOKEN_SYMBOL:
+          {
+            token = G_TOKEN_FLOAT;
+
+            if (! gimp_scanner_parse_float (scanner, &matrix.coeff[0][0]))
+              goto finish;
+            if (! gimp_scanner_parse_float (scanner, &matrix.coeff[0][1]))
+              goto finish;
+            if (! gimp_scanner_parse_float (scanner, &matrix.coeff[1][0]))
+              goto finish;
+            if (! gimp_scanner_parse_float (scanner, &matrix.coeff[1][1]))
+              goto finish;
+
+            token = G_TOKEN_RIGHT_PAREN;
+          }
+          break;
+
+        case G_TOKEN_RIGHT_PAREN:
+          token = G_TOKEN_NONE; /* indicates success */
+          goto finish;
+
+        default: /* do nothing */
+          break;
+        }
+    }
+
+ finish:
+
+  if (token != G_TOKEN_NONE)
+    {
+      g_scanner_get_next_token (scanner);
+      g_scanner_unexp_token (scanner, token, NULL, NULL, NULL,
+                             _("fatal parse error"), TRUE);
+    }
+  else
+    {
+      *dest = matrix;
+    }
+
+  g_scanner_set_scope (scanner, old_scope_id);
+
+  return (token == G_TOKEN_NONE);
+}
+
+
+/*  private functions  */
+
+static void
+gimp_scanner_message (GScanner *scanner,
+                      gchar    *message,
+                      gboolean  is_error)
+{
+  GimpScannerData *data = scanner->user_data;
+
+  /* we don't expect warnings */
+  g_return_if_fail (is_error);
+
+  if (data->name)
+    g_set_error (data->error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_PARSE,
+                 _("Error while parsing '%s' in line %d: %s"),
+                 data->name, scanner->line, message);
+  else
+    /*  should never happen, thus not marked for translation  */
+    g_set_error (data->error, GIMP_CONFIG_ERROR, GIMP_CONFIG_ERROR_PARSE,
+                 "Error parsing internal buffer: %s", message);
+}
diff --git a/libgimpconfig/gimpscanner.h b/libgimpconfig/gimpscanner.h
new file mode 100644
index 0000000..36ce8d9
--- /dev/null
+++ b/libgimpconfig/gimpscanner.h
@@ -0,0 +1,67 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpscanner.h
+ * Copyright (C) 2002  Sven Neumann <sven@gimp.org>
+ *                     Michael Natterer <mitch@gimp.org>
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+#if !defined (__GIMP_CONFIG_H_INSIDE__) && !defined (GIMP_CONFIG_COMPILATION)
+#error "Only <libgimpconfig/gimpconfig.h> can be included directly."
+#endif
+
+#ifndef __GIMP_SCANNER_H__
+#define __GIMP_SCANNER_H__
+
+
+GScanner * gimp_scanner_new_file                 (const gchar   *filename,
+                                                  GError       **error);
+GScanner * gimp_scanner_new_gfile                (GFile         *file,
+                                                  GError       **error);
+GScanner * gimp_scanner_new_stream               (GInputStream  *input,
+                                                  GError       **error);
+GScanner * gimp_scanner_new_string               (const gchar   *text,
+                                                  gint           text_len,
+                                                  GError       **error);
+void       gimp_scanner_destroy                  (GScanner      *scanner);
+
+gboolean   gimp_scanner_parse_token              (GScanner      *scanner,
+                                                  GTokenType     token);
+gboolean   gimp_scanner_parse_identifier         (GScanner      *scanner,
+                                                  const gchar   *identifier);
+gboolean   gimp_scanner_parse_string             (GScanner      *scanner,
+                                                  gchar        **dest);
+gboolean   gimp_scanner_parse_string_no_validate (GScanner      *scanner,
+                                                  gchar        **dest);
+gboolean   gimp_scanner_parse_data               (GScanner      *scanner,
+                                                  gint           length,
+                                                  guint8       **dest);
+gboolean   gimp_scanner_parse_int                (GScanner      *scanner,
+                                                  gint          *dest);
+gboolean   gimp_scanner_parse_int64              (GScanner      *scanner,
+                                                  gint64        *dest);
+gboolean   gimp_scanner_parse_float              (GScanner      *scanner,
+                                                  gdouble       *dest);
+gboolean   gimp_scanner_parse_boolean            (GScanner      *scanner,
+                                                  gboolean      *dest);
+gboolean   gimp_scanner_parse_color              (GScanner      *scanner,
+                                                  GimpRGB       *dest);
+gboolean   gimp_scanner_parse_matrix2            (GScanner      *scanner,
+                                                  GimpMatrix2   *dest);
+
+
+#endif /* __GIMP_SCANNER_H__ */