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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:30:19 +0000 |
| commit | 5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch) | |
| tree | cbffb45144febf451e54061db2b21395faf94bfe /plug-ins/file-webp | |
| parent | Initial commit. (diff) | |
| download | gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip | |
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'plug-ins/file-webp')
| -rw-r--r-- | plug-ins/file-webp/Makefile.am | 64 | ||||
| -rw-r--r-- | plug-ins/file-webp/Makefile.in | 1029 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp-dialog.c | 430 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp-dialog.h | 33 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp-load.c | 294 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp-load.h | 31 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp-save.c | 903 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp-save.h | 55 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp.c | 384 | ||||
| -rw-r--r-- | plug-ins/file-webp/file-webp.h | 33 |
10 files changed, 3256 insertions, 0 deletions
diff --git a/plug-ins/file-webp/Makefile.am b/plug-ins/file-webp/Makefile.am new file mode 100644 index 0000000..20bb79b --- /dev/null +++ b/plug-ins/file-webp/Makefile.am @@ -0,0 +1,64 @@ +## Process this file with automake to produce Makefile.in + +libgimpui = $(top_builddir)/libgimp/libgimpui-$(GIMP_API_VERSION).la +libgimpconfig = $(top_builddir)/libgimpconfig/libgimpconfig-$(GIMP_API_VERSION).la +libgimpwidgets = $(top_builddir)/libgimpwidgets/libgimpwidgets-$(GIMP_API_VERSION).la +libgimp = $(top_builddir)/libgimp/libgimp-$(GIMP_API_VERSION).la +libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la +libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la +libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la + +if OS_WIN32 +mwindows = -mwindows +endif + +if HAVE_WINDRES +include $(top_srcdir)/build/windows/gimprc-plug-ins.rule +file_webp_RC = file-webp.rc.o +endif + +AM_LDFLAGS = $(mwindows) + +libexecdir = $(gimpplugindir)/plug-ins/file-webp + +AM_CPPFLAGS = \ + -I$(top_srcdir) \ + $(GTK_CFLAGS) \ + $(EXIF_CFLAGS) \ + $(GEGL_CFLAGS) \ + $(GEXIV2_CFLAGS) \ + $(WEBP_CFLAGS) \ + $(WEBPMUX_CFLAGS) \ + $(WEBPDEMUX_CFLAGS) \ + -I$(includedir) + +libexec_PROGRAMS = file-webp + +file_webp_SOURCES = \ + file-webp.c \ + file-webp.h \ + file-webp-dialog.c \ + file-webp-dialog.h \ + file-webp-load.c \ + file-webp-load.h \ + file-webp-save.c \ + file-webp-save.h + +file_webp_LDADD = \ + $(libgimpui) \ + $(libgimpwidgets) \ + $(libgimpconfig) \ + $(libgimp) \ + $(libgimpcolor) \ + $(libgimpmath) \ + $(libgimpbase) \ + $(webp_LIBS) \ + $(GTK_LIBS) \ + $(GEGL_LIBS) \ + $(GEXIV2_LIBS) \ + $(WEBP_LIBS) \ + $(WEBPMUX_LIBS) \ + $(WEBPDEMUX_LIBS) \ + $(RT_LIBS) \ + $(INTLLIBS) \ + $(file_webp_RC) diff --git a/plug-ins/file-webp/Makefile.in b/plug-ins/file-webp/Makefile.in new file mode 100644 index 0000000..7885e3d --- /dev/null +++ b/plug-ins/file-webp/Makefile.in @@ -0,0 +1,1029 @@ +# Makefile.in generated by automake 1.16.3 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Version resources for Microsoft Windows + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; 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+ -rm -f ./$(DEPDIR)/file-webp.Po + -rm -f Makefile +maintainer-clean-am: distclean-am maintainer-clean-generic + +mostlyclean: mostlyclean-am + +mostlyclean-am: mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool + +pdf: pdf-am + +pdf-am: + +ps: ps-am + +ps-am: + +uninstall-am: uninstall-libexecPROGRAMS + +.MAKE: install-am install-strip + +.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \ + clean-generic clean-libexecPROGRAMS clean-libtool \ + cscopelist-am ctags ctags-am distclean distclean-compile \ + distclean-generic distclean-libtool distclean-tags distdir dvi \ + dvi-am html html-am info info-am install install-am \ + install-data install-data-am install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-libexecPROGRAMS \ + install-man install-pdf install-pdf-am install-ps \ + install-ps-am install-strip installcheck installcheck-am \ + installdirs maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am uninstall-libexecPROGRAMS + +.PRECIOUS: Makefile + + +# `windres` seems a very stupid tool and it breaks with double shlashes +# in parameter paths. Strengthen the rule a little. +@HAVE_WINDRES_TRUE@%.rc.o: +@HAVE_WINDRES_TRUE@ $(WINDRES) --define ORIGINALFILENAME_STR="$*$(EXEEXT)" \ +@HAVE_WINDRES_TRUE@ --define INTERNALNAME_STR="$*" \ +@HAVE_WINDRES_TRUE@ --define TOP_SRCDIR="`echo $(top_srcdir) | sed 's*//*/*'`" \ +@HAVE_WINDRES_TRUE@ -I"`echo $(top_srcdir)/app | sed 's%/\+%/%'`" \ +@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir)/app | sed 's%/\+%/%'`"\ +@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir) | sed 's%/\+%/%'`"\ +@HAVE_WINDRES_TRUE@ $(GIMPPLUGINRC) $@ + +# 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/plug-ins/file-webp/file-webp-dialog.c b/plug-ins/file-webp/file-webp-dialog.c new file mode 100644 index 0000000..782c072 --- /dev/null +++ b/plug-ins/file-webp/file-webp-dialog.c @@ -0,0 +1,430 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include <webp/encode.h> + +#include "file-webp.h" +#include "file-webp-dialog.h" + +#include "libgimp/stdplugins-intl.h" + + +static void save_dialog_toggle_scale (GtkWidget *widget, + gpointer data); + +static void save_dialog_toggle_minsize (GtkWidget *widget, + gpointer data); + +static void show_maxkeyframe_hints (GtkAdjustment *adj, + GtkLabel *label); + + +static void +save_dialog_toggle_scale (GtkWidget *widget, + gpointer data) +{ + gimp_scale_entry_set_sensitive (GTK_OBJECT (data), + ! gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))); +} + +static void +save_dialog_toggle_minsize (GtkWidget *widget, + gpointer data) +{ + gtk_widget_set_sensitive (GTK_WIDGET (data), + ! gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget))); +} + +static void +show_maxkeyframe_hints (GtkAdjustment *adj, + GtkLabel *label) +{ + gint kmax; + + kmax = (gint) gtk_adjustment_get_value (adj); + if (kmax == 0) + { + gtk_label_set_text (label, _("(no keyframes)")); + } + else if (kmax == 1) + { + gtk_label_set_text (label, _("(all frames are keyframes)")); + } + else + { + gtk_label_set_text (label, ""); + } +} + +gboolean +save_dialog (WebPSaveParams *params, + gint32 image_ID) +{ + GtkWidget *dialog; + GtkWidget *vbox; + GtkWidget *table; + GtkWidget *expander; + GtkWidget *frame; + GtkWidget *vbox2; + GtkWidget *label; + GtkWidget *toggle; + GtkWidget *toggle_minsize; + GtkWidget *toggle_iptc; + GtkWidget *combo; + GtkObject *quality_scale; + GtkObject *alpha_quality_scale; + gint32 nlayers; + gboolean animation_supported = FALSE; + gboolean run; + gchar *text; + gint row = 0; + + g_free (gimp_image_get_layers (image_ID, &nlayers)); + animation_supported = nlayers > 1; + + /* Create the dialog */ + dialog = gimp_export_dialog_new (_("WebP"), PLUG_IN_BINARY, SAVE_PROC); + + /* Create the vbox */ + vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); + gtk_container_set_border_width (GTK_CONTAINER (vbox), 12); + gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)), + vbox, FALSE, FALSE, 0); + gtk_widget_show (vbox); + + /* Create the table */ + table = gtk_table_new (4, 3, FALSE); + gtk_table_set_row_spacings (GTK_TABLE (table), 6); + gtk_table_set_col_spacings (GTK_TABLE (table), 6); + gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0); + gtk_widget_show (table); + + /* Create the lossless checkbox */ + toggle = gtk_check_button_new_with_mnemonic (_("_Lossless")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), + params->lossless); + gtk_table_attach (GTK_TABLE (table), toggle, + 0, 3, row, row + 1, + GTK_FILL, GTK_FILL, 0, 0); + gtk_widget_show (toggle); + row++; + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->lossless); + + /* Create the slider for image quality */ + quality_scale = gimp_scale_entry_new (GTK_TABLE (table), + 0, row++, + _("Image _quality:"), + 125, + 0, + params->quality, + 0.0, 100.0, + 1.0, 10.0, + 0, TRUE, + 0.0, 0.0, + _("Image quality"), + NULL); + gimp_scale_entry_set_sensitive (quality_scale, ! params->lossless); + + g_signal_connect (quality_scale, "value-changed", + G_CALLBACK (gimp_float_adjustment_update), + ¶ms->quality); + + /* Create the slider for alpha channel quality */ + alpha_quality_scale = gimp_scale_entry_new (GTK_TABLE (table), + 0, row++, + _("Alpha q_uality:"), + 125, + 0, + params->alpha_quality, + 0.0, 100.0, + 1.0, 10.0, + 0, TRUE, + 0.0, 0.0, + _("Alpha channel quality"), + NULL); + gimp_scale_entry_set_sensitive (alpha_quality_scale, ! params->lossless); + + g_signal_connect (alpha_quality_scale, "value-changed", + G_CALLBACK (gimp_float_adjustment_update), + ¶ms->alpha_quality); + + /* Enable and disable the sliders when the lossless option is selected */ + g_signal_connect (toggle, "toggled", + G_CALLBACK (save_dialog_toggle_scale), + quality_scale); + g_signal_connect (toggle, "toggled", + G_CALLBACK (save_dialog_toggle_scale), + alpha_quality_scale); + + /* Create the combobox containing the presets */ + combo = gimp_int_combo_box_new ("Default", WEBP_PRESET_DEFAULT, + "Picture", WEBP_PRESET_PICTURE, + "Photo", WEBP_PRESET_PHOTO, + "Drawing", WEBP_PRESET_DRAWING, + "Icon", WEBP_PRESET_ICON, + "Text", WEBP_PRESET_TEXT, + NULL); + label = gimp_table_attach_aligned (GTK_TABLE (table), 0, row++, + _("Source _type:"), 0.0, 0.5, + combo, 2, FALSE); + gimp_help_set_help_data (label, + _("WebP encoder \"preset\""), + NULL); + + gimp_int_combo_box_connect (GIMP_INT_COMBO_BOX (combo), + params->preset, + G_CALLBACK (gimp_int_combo_box_get_active), + ¶ms->preset); + + if (animation_supported) + { + GtkWidget *animation_box; + GtkAdjustment *adj; + GtkWidget *delay; + GtkWidget *hbox; + GtkWidget *label_kf; + GtkAdjustment *adj_kf; + GtkWidget *kf_distance; + GtkWidget *hbox_kf; + PangoAttrList *attrs; + PangoAttribute *attr; + + vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 4); + gtk_box_pack_start (GTK_BOX (vbox), vbox2, FALSE, FALSE, 0); + gtk_widget_show (vbox2); + + text = g_strdup_printf ("<b>%s</b>", _("_Advanced Options")); + expander = gtk_expander_new_with_mnemonic (text); + gtk_expander_set_use_markup (GTK_EXPANDER (expander), TRUE); + g_free (text); + + + /* Create the top-level animation checkbox expander */ + text = g_strdup_printf ("<b>%s</b>", _("As A_nimation")); + toggle = gtk_check_button_new_with_mnemonic (text); + g_free (text); + + gtk_label_set_use_markup (GTK_LABEL (gtk_bin_get_child (GTK_BIN (toggle))), + TRUE); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), + params->animation); + gtk_box_pack_start (GTK_BOX (vbox2), toggle, TRUE, TRUE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->animation); + + frame = gimp_frame_new ("<expander>"); + gtk_box_pack_start (GTK_BOX (vbox2), frame, TRUE, TRUE, 0); + gtk_widget_show (frame); + + g_object_bind_property (toggle, "active", + frame, "visible", + G_BINDING_SYNC_CREATE); + + /* animation options box */ + animation_box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); + gtk_container_add (GTK_CONTAINER (frame), animation_box); + gtk_widget_show (animation_box); + + /* loop animation checkbox */ + toggle = gtk_check_button_new_with_mnemonic (_("Loop _forever")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), params->loop); + gtk_box_pack_start (GTK_BOX (animation_box), toggle, + FALSE, FALSE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->loop); + + /* create a hbox for 'max key-frame distance */ + hbox_kf = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); + gtk_box_pack_start (GTK_BOX (animation_box), hbox_kf, FALSE, FALSE, 0); + gtk_widget_set_sensitive (hbox_kf, TRUE); + gtk_widget_show (hbox_kf); + + /* label for 'max key-frame distance' adjustment */ + label_kf = gtk_label_new (_("Max distance between key-frames:")); + gtk_label_set_xalign (GTK_LABEL (label_kf), 0.2); + gtk_box_pack_start (GTK_BOX (hbox_kf), label_kf, FALSE, FALSE, 0); + gtk_widget_show (label_kf); + + /* key-frame distance entry */ + adj_kf = (GtkAdjustment *) gtk_adjustment_new (params->kf_distance, + 0.0, 10000.0, + 1.0, 10.0, 0.0); + kf_distance = gimp_spin_button_new (adj_kf, 1, 0); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (kf_distance), TRUE); + gtk_box_pack_start (GTK_BOX (hbox_kf), kf_distance, FALSE, FALSE, 0); + gtk_widget_show (kf_distance); + + g_signal_connect (adj_kf, "value-changed", + G_CALLBACK (gimp_int_adjustment_update), + ¶ms->kf_distance); + + /* Add some hinting text for special values of key-frame distance. */ + label_kf = gtk_label_new (NULL); + gtk_box_pack_start (GTK_BOX (hbox_kf), label_kf, FALSE, FALSE, 0); + gtk_widget_show (label_kf); + + attrs = pango_attr_list_new (); + attr = pango_attr_style_new (PANGO_STYLE_ITALIC); + pango_attr_list_insert (attrs, attr); + gtk_label_set_attributes (GTK_LABEL (label_kf), attrs); + pango_attr_list_unref (attrs); + + g_signal_connect (adj_kf, "value-changed", + G_CALLBACK (show_maxkeyframe_hints), + label_kf); + show_maxkeyframe_hints (adj_kf, GTK_LABEL (label_kf)); + + /* minimize-size checkbox */ + toggle_minsize = gtk_check_button_new_with_mnemonic (_("_Minimize output size (slower)")); + + gtk_box_pack_start (GTK_BOX (animation_box), toggle_minsize, + FALSE, FALSE, 0); + gtk_widget_show (toggle_minsize); + + g_signal_connect (toggle_minsize, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->minimize_size); + + + /* Enable and disable the kf-distance box when the 'minimize size' option is selected */ + g_signal_connect (toggle_minsize, "toggled", + G_CALLBACK (save_dialog_toggle_minsize), + hbox_kf); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle_minsize), params->minimize_size); + + /* create a hbox for delay */ + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); + gtk_box_pack_start (GTK_BOX (animation_box), hbox, FALSE, FALSE, 0); + gtk_widget_show (hbox); + + /* label for 'delay' adjustment */ + label = gtk_label_new (_("Delay between frames where unspecified:")); + gtk_label_set_xalign (GTK_LABEL (label), 0.0); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_widget_show (label); + + /* default delay */ + adj = (GtkAdjustment *) gtk_adjustment_new (params->delay, + 1, 10000, 1, 10, 0); + delay = gimp_spin_button_new (adj, 1, 0); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (delay), TRUE); + gtk_box_pack_start (GTK_BOX (hbox), delay, FALSE, FALSE, 0); + gtk_widget_show (delay); + + g_signal_connect (adj, "value-changed", + G_CALLBACK (gimp_int_adjustment_update), + ¶ms->delay); + + /* label for 'ms' adjustment */ + label = gtk_label_new (_("milliseconds")); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0); + gtk_widget_show (label); + + /* Create the force-delay checkbox */ + toggle = gtk_check_button_new_with_mnemonic (_("Use _delay entered above for all frames")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), + params->force_delay); + gtk_box_pack_start (GTK_BOX (animation_box), toggle, FALSE, FALSE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->force_delay); + } + + /* Save EXIF data */ + toggle = gtk_check_button_new_with_mnemonic (_("_Save Exif data")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), params->exif); + gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->exif); + + /* IPTC metadata */ + toggle_iptc = gtk_check_button_new_with_mnemonic (_("Save _IPTC")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle_iptc), params->iptc); + gtk_box_pack_start (GTK_BOX (vbox), toggle_iptc, FALSE, FALSE, 0); + gtk_widget_show (toggle_iptc); + + g_signal_connect (toggle_iptc, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->iptc); + + gtk_widget_set_sensitive (toggle_iptc, params->xmp); + + /* XMP metadata */ + toggle = gtk_check_button_new_with_mnemonic (_("Save _XMP data")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), params->xmp); + gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->xmp); + + g_object_bind_property (toggle, "active", + toggle_iptc, "sensitive", + G_BINDING_SYNC_CREATE); + + /* Color profile */ + toggle = gtk_check_button_new_with_mnemonic (_("Save color _profile")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), params->profile); + gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->profile); + + /* Save Thumbnail */ + toggle = gtk_check_button_new_with_mnemonic (_("Save _thumbnail")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), params->thumbnail); + gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); + gtk_widget_show (toggle); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + ¶ms->thumbnail); + + gtk_widget_show (dialog); + + run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK); + + gtk_widget_destroy (dialog); + + return run; +} diff --git a/plug-ins/file-webp/file-webp-dialog.h b/plug-ins/file-webp/file-webp-dialog.h new file mode 100644 index 0000000..b5c85ad --- /dev/null +++ b/plug-ins/file-webp/file-webp-dialog.h @@ -0,0 +1,33 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __WEBP_DIALOG_H__ +#define __WEBP_DIALOG_H__ + + +#include "file-webp-save.h" + + +gboolean save_dialog (WebPSaveParams *params, + gint32 image_ID); + + +#endif /* __WEBP_DIALOG_H__ */ diff --git a/plug-ins/file-webp/file-webp-load.c b/plug-ins/file-webp/file-webp-load.c new file mode 100644 index 0000000..1f49784 --- /dev/null +++ b/plug-ins/file-webp/file-webp-load.c @@ -0,0 +1,294 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> + +#include <webp/decode.h> +#include <webp/demux.h> +#include <webp/mux.h> + +#include <gegl.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include "file-webp-load.h" + +#include "libgimp/stdplugins-intl.h" + + +static void +create_layer (gint32 image_ID, + uint8_t *layer_data, + gint32 position, + gchar *name, + gint width, + gint height) +{ + gint32 layer_ID; + GeglBuffer *buffer; + GeglRectangle extent; + + layer_ID = gimp_layer_new (image_ID, name, + width, height, + GIMP_RGBA_IMAGE, + 100, + gimp_image_get_default_new_layer_mode (image_ID)); + + gimp_image_insert_layer (image_ID, layer_ID, -1, position); + + /* Retrieve the buffer for the layer */ + buffer = gimp_drawable_get_buffer (layer_ID); + + /* Copy the image data to the region */ + gegl_rectangle_set (&extent, 0, 0, width, height); + gegl_buffer_set (buffer, &extent, 0, NULL, layer_data, + GEGL_AUTO_ROWSTRIDE); + + /* Flush the drawable and detach */ + gegl_buffer_flush (buffer); + g_object_unref (buffer); +} + +gint32 +load_image (const gchar *filename, + gboolean interactive, + GError **error) +{ + uint8_t *indata = NULL; + gsize indatalen; + gint width; + gint height; + gint32 image_ID; + WebPMux *mux; + WebPData wp_data; + GimpColorProfile *profile = NULL; + uint32_t flags; + gboolean animation = FALSE; + gboolean icc = FALSE; + gboolean exif = FALSE; + gboolean xmp = FALSE; + + /* Attempt to read the file contents from disk */ + if (! g_file_get_contents (filename, + (gchar **) &indata, + &indatalen, + error)) + { + return -1; + } + + /* Validate WebP data */ + if (! WebPGetInfo (indata, indatalen, &width, &height)) + { + g_set_error (error, G_FILE_ERROR, 0, + _("Invalid WebP file '%s'"), + gimp_filename_to_utf8 (filename)); + return -1; + } + + wp_data.bytes = indata; + wp_data.size = indatalen; + + mux = WebPMuxCreate (&wp_data, 1); + if (! mux) + return -1; + + WebPMuxGetFeatures (mux, &flags); + + if (flags & ANIMATION_FLAG) + animation = TRUE; + + if (flags & ICCP_FLAG) + icc = TRUE; + + if (flags & EXIF_FLAG) + exif = TRUE; + + if (flags & XMP_FLAG) + xmp = TRUE; + + /* TODO: decode the image in "chunks" or "tiles" */ + /* TODO: check if an alpha channel is present */ + + /* Create the new image and associated layer */ + image_ID = gimp_image_new (width, height, GIMP_RGB); + + if (icc) + { + WebPData icc_profile; + + WebPMuxGetChunk (mux, "ICCP", &icc_profile); + profile = gimp_color_profile_new_from_icc_profile (icc_profile.bytes, + icc_profile.size, NULL); + if (profile) + gimp_image_set_color_profile (image_ID, profile); + } + + if (! animation) + { + uint8_t *outdata; + + /* Attempt to decode the data as a WebP image */ + outdata = WebPDecodeRGBA (indata, indatalen, &width, &height); + + /* Check to ensure the image data was loaded correctly */ + if (! outdata) + { + WebPMuxDelete (mux); + return -1; + } + + create_layer (image_ID, outdata, 0, _("Background"), + width, height); + + /* Free the image data */ + free (outdata); + } + else + { + WebPAnimDecoder *dec = NULL; + WebPAnimInfo anim_info; + WebPAnimDecoderOptions dec_options; + gint frame_num = 1; + WebPDemuxer *demux = NULL; + WebPIterator iter = { 0, }; + + if (! WebPAnimDecoderOptionsInit (&dec_options)) + { + error: + if (dec) + WebPAnimDecoderDelete (dec); + + if (demux) + { + WebPDemuxReleaseIterator (&iter); + WebPDemuxDelete (demux); + } + + WebPMuxDelete (mux); + return -1; + } + + /* dec_options.color_mode is MODE_RGBA by default here */ + dec = WebPAnimDecoderNew (&wp_data, &dec_options); + if (! dec) + { + g_set_error (error, G_FILE_ERROR, 0, + _("Failed to decode animated WebP file '%s'"), + gimp_filename_to_utf8 (filename)); + goto error; + } + + if (! WebPAnimDecoderGetInfo (dec, &anim_info)) + { + g_set_error (error, G_FILE_ERROR, 0, + _("Failed to decode animated WebP information from '%s'"), + gimp_filename_to_utf8 (filename)); + goto error; + } + + demux = WebPDemux (&wp_data); + if (! demux || ! WebPDemuxGetFrame (demux, 1, &iter)) + goto error; + + /* Attempt to decode the data as a WebP animation image */ + while (WebPAnimDecoderHasMoreFrames (dec)) + { + uint8_t *outdata; + int timestamp; + gchar *name; + + if (! WebPAnimDecoderGetNext (dec, &outdata, ×tamp)) + { + g_set_error (error, G_FILE_ERROR, 0, + _("Failed to decode animated WebP frame from '%s'"), + gimp_filename_to_utf8 (filename)); + goto error; + } + + name = g_strdup_printf (_("Frame %d (%dms)"), frame_num, iter.duration); + create_layer (image_ID, outdata, 0, name, width, height); + g_free (name); + + frame_num++; + WebPDemuxNextFrame (&iter); + } + + WebPAnimDecoderDelete (dec); + WebPDemuxReleaseIterator (&iter); + WebPDemuxDelete (demux); + } + + /* Free the original compressed data */ + g_free (indata); + + if (exif || xmp) + { + GimpMetadata *metadata; + GFile *file; + + if (exif) + { + WebPData exif; + + WebPMuxGetChunk (mux, "EXIF", &exif); + } + + if (xmp) + { + WebPData xmp; + + WebPMuxGetChunk (mux, "XMP ", &xmp); + } + + file = g_file_new_for_path (filename); + metadata = gimp_image_metadata_load_prepare (image_ID, "image/webp", + file, NULL); + if (metadata) + { + GimpMetadataLoadFlags flags = GIMP_METADATA_LOAD_ALL; + + if (profile) + flags &= ~GIMP_METADATA_LOAD_COLORSPACE; + + gimp_image_metadata_load_finish (image_ID, "image/webp", + metadata, flags, + interactive); + g_object_unref (metadata); + } + + g_object_unref (file); + } + + WebPMuxDelete (mux); + + gimp_image_set_filename (image_ID, filename); + + if (profile) + g_object_unref (profile); + + return image_ID; +} diff --git a/plug-ins/file-webp/file-webp-load.h b/plug-ins/file-webp/file-webp-load.h new file mode 100644 index 0000000..9025f24 --- /dev/null +++ b/plug-ins/file-webp/file-webp-load.h @@ -0,0 +1,31 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __WEBP_LOAD_H__ +#define __WEBP_LOAD_H__ + + +gint32 load_image (const gchar *filename, + gboolean interactive, + GError **error); + + +#endif /* __WEBP_LOAD_H__ */ diff --git a/plug-ins/file-webp/file-webp-save.c b/plug-ins/file-webp/file-webp-save.c new file mode 100644 index 0000000..51dffd9 --- /dev/null +++ b/plug-ins/file-webp/file-webp-save.c @@ -0,0 +1,903 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <errno.h> +#include <glib/gstdio.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/stat.h> + +#include <gegl.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include <webp/encode.h> +#include <webp/mux.h> + +#include "file-webp-save.h" + +#include "libgimp/stdplugins-intl.h" + + +int webp_anim_file_writer (FILE *outfile, + const uint8_t *data, + size_t data_size); +int webp_file_writer (const uint8_t *data, + size_t data_size, + const WebPPicture *picture); +int webp_file_progress (int percent, + const WebPPicture *picture); +gchar * webp_error_string (WebPEncodingError error_code); + +gboolean save_layer (const gchar *filename, + gint32 nLayers, + gint32 image_ID, + gint32 drawable_ID, + WebPSaveParams *params, + GError **error); + +gboolean save_animation (const gchar *filename, + gint32 nLayers, + gint32 *allLayers, + gint32 image_ID, + gint32 drawable_ID, + WebPSaveParams *params, + GError **error); + +static void webp_decide_output (gint32 image_ID, + WebPSaveParams *params, + GimpColorProfile **profile, + gboolean *out_linear); + +int +webp_anim_file_writer (FILE *outfile, + const uint8_t *data, + size_t data_size) +{ + int ok = 0; + + if (data == NULL) + return 0; + + ok = (fwrite (data, data_size, 1, outfile) == 1); + + return ok; +} + +int +webp_file_writer (const uint8_t *data, + size_t data_size, + const WebPPicture *picture) +{ + FILE *outfile; + + /* Obtain the FILE* and write the data to the file */ + outfile = (FILE *) picture->custom_ptr; + + return fwrite (data, sizeof (uint8_t), data_size, outfile) == data_size; +} + +int +webp_file_progress (int percent, + const WebPPicture *picture) +{ + return gimp_progress_update (percent / 100.0); +} + +gchar * +webp_error_string (WebPEncodingError error_code) +{ + switch (error_code) + { + case VP8_ENC_ERROR_OUT_OF_MEMORY: + return g_strdup (_("out of memory")); + case VP8_ENC_ERROR_BITSTREAM_OUT_OF_MEMORY: + return g_strdup (_("not enough memory to flush bits")); + case VP8_ENC_ERROR_NULL_PARAMETER: + return g_strdup (_("NULL parameter")); + case VP8_ENC_ERROR_INVALID_CONFIGURATION: + return g_strdup (_("invalid configuration")); + case VP8_ENC_ERROR_BAD_DIMENSION: + /* TRANSLATORS: widthxheight with UTF-8 encoded multiply sign. */ + return g_strdup_printf (_("bad image dimensions (maximum: %d\xc3\x97%d)"), + WEBP_MAX_DIMENSION, WEBP_MAX_DIMENSION); + case VP8_ENC_ERROR_PARTITION0_OVERFLOW: + return g_strdup (_("partition is bigger than 512K")); + case VP8_ENC_ERROR_PARTITION_OVERFLOW: + return g_strdup (_("partition is bigger than 16M")); + case VP8_ENC_ERROR_BAD_WRITE: + return g_strdup (_("unable to flush bytes")); + case VP8_ENC_ERROR_FILE_TOO_BIG: + return g_strdup (_("file is larger than 4GiB")); + case VP8_ENC_ERROR_USER_ABORT: + return g_strdup (_("user aborted encoding")); + case VP8_ENC_ERROR_LAST: + return g_strdup (_("list terminator")); + default: + return g_strdup (_("unknown error")); + } +} + +gboolean +save_layer (const gchar *filename, + gint32 nLayers, + gint32 image_ID, + gint32 drawable_ID, + WebPSaveParams *params, + GError **error) +{ + gboolean status = FALSE; + FILE *outfile = NULL; + WebPConfig config = {0}; + WebPPicture picture = {0}; + guchar *buffer = NULL; + gint w, h; + gboolean has_alpha; + const Babl *format; + gint bpp; + GimpColorProfile *profile = NULL; + GeglBuffer *geglbuffer = NULL; + GeglRectangle extent; + gchar *indata; + gsize indatalen; + struct stat stsz; + int fd_outfile; + WebPData chunk; + gboolean out_linear = FALSE; + int res; + + webp_decide_output (image_ID, params, &profile, &out_linear); + + /* The do...while() loop is a neat little trick that makes it easier + * to jump to error handling code while still ensuring proper + * cleanup + */ + + do + { + /* Begin displaying export progress */ + gimp_progress_init_printf (_("Saving '%s'"), + gimp_filename_to_utf8(filename)); + + /* Attempt to open the output file */ + if ((outfile = g_fopen (filename, "w+b")) == NULL) + { + g_set_error (error, G_FILE_ERROR, + g_file_error_from_errno (errno), + _("Unable to open '%s' for writing: %s"), + gimp_filename_to_utf8 (filename), + g_strerror (errno)); + break; + } + + /* Obtain the drawable type */ + has_alpha = gimp_drawable_has_alpha (drawable_ID); + + if (has_alpha) + { + if (out_linear) + format = babl_format ("RGBA u8"); + else + format = babl_format ("R'G'B'A u8"); + } + else + { + if (out_linear) + format = babl_format ("RGB u8"); + else + format = babl_format ("R'G'B' u8"); + } + + bpp = babl_format_get_bytes_per_pixel (format); + + /* Retrieve the buffer for the layer */ + geglbuffer = gimp_drawable_get_buffer (drawable_ID); + extent = *gegl_buffer_get_extent (geglbuffer); + w = extent.width; + h = extent.height; + + /* Initialize the WebP configuration with a preset and fill in the + * remaining values */ + WebPConfigPreset (&config, params->preset, params->quality); + + config.lossless = params->lossless; + config.method = 6; /* better quality */ + config.alpha_quality = params->alpha_quality; + + /* Prepare the WebP structure */ + WebPPictureInit (&picture); + picture.use_argb = 1; + picture.width = w; + picture.height = h; + picture.writer = webp_file_writer; + picture.custom_ptr = outfile; + picture.progress_hook = webp_file_progress; + + /* Attempt to allocate a buffer of the appropriate size */ + buffer = g_try_malloc (w * h * bpp); + if (! buffer) + break; + + /* Read the region into the buffer */ + gegl_buffer_get (geglbuffer, &extent, 1.0, format, buffer, + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + + /* Use the appropriate function to import the data from the buffer */ + if (! has_alpha) + { + status = WebPPictureImportRGB (&picture, buffer, w * bpp); + } + else + { + status = WebPPictureImportRGBA (&picture, buffer, w * bpp); + } + + g_free (buffer); + if (! status) + { + g_printerr ("%s: memory error in WebPPictureImportRGB(A)().", + G_STRFUNC); + break; + } + + /* Perform the actual encode */ + if (! WebPEncode (&config, &picture)) + { + gchar *error_str = webp_error_string (picture.error_code); + + g_printerr ("WebP error: '%s'", error_str); + g_set_error (error, G_FILE_ERROR, + picture.error_code, + _("WebP error: '%s'"), + error_str); + g_free (error_str); + status = FALSE; + break; + } + + /* The cleanup stuff still needs to run but indicate that everything + * completed successfully + */ + status = TRUE; + + } + while (0); + + /* Flush the drawable and detach */ + if (geglbuffer) + { + g_object_unref (geglbuffer); + } + + fflush (outfile); + fd_outfile = fileno (outfile); + fstat (fd_outfile, &stsz); + indatalen = stsz.st_size; + if (indatalen > 0) + { + indata = (gchar*) g_malloc (indatalen); + rewind (outfile); + res = fread (indata, 1, indatalen, outfile); + if (res > 0) + { + WebPMux *mux; + WebPData wp_data; + + wp_data.bytes = (uint8_t*) indata; + wp_data.size = indatalen; + mux = WebPMuxCreate (&wp_data, 1); + + if (mux) + { + /* Save ICC data */ + if (profile) + { + const guint8 *icc_data; + gsize icc_data_size; + + icc_data = gimp_color_profile_get_icc_profile (profile, + &icc_data_size); + chunk.bytes = icc_data; + chunk.size = icc_data_size; + WebPMuxSetChunk(mux, "ICCP", &chunk, 1); + + WebPMuxAssemble (mux, &wp_data); + rewind (outfile); + webp_anim_file_writer (outfile, wp_data.bytes, wp_data.size); + } + + WebPMuxDelete (mux); + } + else + { + g_printerr ("ERROR: Cannot create mux. Can't save features update.\n"); + } + + WebPDataClear (&wp_data); + } + else + { + g_printerr ("ERROR: No data read for features. Can't save features update.\n"); + } + } + else + { + g_printerr ("ERROR: No data for features. Can't save features update.\n"); + } + + /* Free any resources */ + if (outfile) + fclose (outfile); + + WebPPictureFree (&picture); + g_clear_object (&profile); + + return status; +} + +static gint +parse_ms_tag (const gchar *str) +{ + gint sum = 0; + gint offset = 0; + gint length; + + length = strlen (str); + + find_another_bra: + + while ((offset < length) && (str[offset] != '(')) + offset++; + + if (offset >= length) + return -1; + + if (! g_ascii_isdigit (str[++offset])) + goto find_another_bra; + + do + { + sum *= 10; + sum += str[offset] - '0'; + offset++; + } + while ((offset < length) && (g_ascii_isdigit (str[offset]))); + + if (length - offset <= 2) + return -3; + + if ((g_ascii_toupper (str[offset]) != 'M') || + (g_ascii_toupper (str[offset + 1]) != 'S')) + return -4; + + return sum; +} + +static gint +get_layer_delay (gint32 layer) +{ + gchar *layer_name; + gint delay_ms; + + layer_name = gimp_item_get_name (layer); + delay_ms = parse_ms_tag (layer_name); + g_free (layer_name); + + return delay_ms; +} + +static gboolean +parse_combine (const char* str) +{ + gint offset = 0; + gint length = strlen (str); + + while ((offset + 9) <= length) + { + if (strncmp (&str[offset], "(combine)", 9) == 0) + return TRUE; + + if (strncmp (&str[offset], "(replace)", 9) == 0) + return FALSE; + + offset++; + } + + return FALSE; +} + +static gint +get_layer_needs_combine (gint32 layer) +{ + gchar *layer_name; + gboolean needs_combine; + + layer_name = gimp_item_get_name (layer); + needs_combine = parse_combine (layer_name); + g_free (layer_name); + + return needs_combine; +} + +static GeglBuffer* +combine_buffers (GeglBuffer *layer_buffer, + GeglBuffer *prev_frame_buffer) +{ + GeglBuffer *buffer; + GeglNode *graph; + GeglNode *source; + GeglNode *backdrop; + GeglNode *over; + GeglNode *target; + + graph = gegl_node_new (); + buffer = gegl_buffer_new (gegl_buffer_get_extent (prev_frame_buffer), + gegl_buffer_get_format (prev_frame_buffer)); + + source = gegl_node_new_child (graph, + "operation", "gegl:buffer-source", + "buffer", layer_buffer, + NULL); + backdrop = gegl_node_new_child (graph, + "operation", "gegl:buffer-source", + "buffer", prev_frame_buffer, + NULL); + + over = gegl_node_new_child (graph, + "operation", "gegl:over", + NULL); + target = gegl_node_new_child (graph, + "operation", "gegl:write-buffer", + "buffer", buffer, + NULL); + gegl_node_link_many (backdrop, over, target, NULL); + gegl_node_connect_to (source, "output", + over, "aux"); + gegl_node_process (target); + g_object_unref (graph); + + return buffer; +} + +gboolean +save_animation (const gchar *filename, + gint32 nLayers, + gint32 *allLayers, + gint32 image_ID, + gint32 drawable_ID, + WebPSaveParams *params, + GError **error) +{ + gboolean status = TRUE; + FILE *outfile = NULL; + guchar *buffer = NULL; + gint buffer_size = 0; + gint w, h; + gint bpp; + gboolean has_alpha; + const Babl *format; + GimpColorProfile *profile = NULL; + WebPAnimEncoderOptions enc_options; + WebPData webp_data; + int frame_timestamp = 0; + WebPAnimEncoder *enc = NULL; + GeglBuffer *prev_frame = NULL; + gboolean out_linear = FALSE; + + if (nLayers < 1) + return FALSE; + + webp_decide_output (image_ID, params, &profile, &out_linear); + + gimp_image_undo_freeze (image_ID); + + WebPDataInit (&webp_data); + + do + { + gint loop; + gint default_delay = params->delay; + gboolean force_delay = params->force_delay; + + /* Begin displaying export progress */ + gimp_progress_init_printf (_("Saving '%s'"), + gimp_filename_to_utf8 (filename)); + + /* Attempt to open the output file */ + if ((outfile = g_fopen (filename, "wb")) == NULL) + { + g_set_error (error, G_FILE_ERROR, + g_file_error_from_errno (errno), + _("Unable to open '%s' for writing: %s"), + gimp_filename_to_utf8 (filename), + g_strerror (errno)); + status = FALSE; + break; + } + + if (! WebPAnimEncoderOptionsInit (&enc_options)) + { + g_printerr ("ERROR: version mismatch\n"); + status = FALSE; + break; + } + + enc_options.anim_params.loop_count = 0; + if (! params->loop) + enc_options.anim_params.loop_count = 1; + + enc_options.allow_mixed = params->lossless ? 0 : 1; + enc_options.minimize_size = params->minimize_size ? 1 : 0; + if (! params->minimize_size) + { + enc_options.kmax = params->kf_distance; + /* explicitly force minimum key-frame distance too, for good measure */ + enc_options.kmin = params->kf_distance - 1; + } + + for (loop = 0; loop < nLayers; loop++) + { + GeglBuffer *geglbuffer; + GeglBuffer *current_frame; + GeglRectangle extent; + WebPConfig config; + WebPPicture picture; + WebPMemoryWriter mw = { 0 }; + gint32 drawable = allLayers[nLayers - 1 - loop]; + gint delay = get_layer_delay (drawable); + gboolean needs_combine = get_layer_needs_combine (drawable); + + /* Obtain the drawable type */ + has_alpha = gimp_drawable_has_alpha (drawable); + + if (has_alpha) + { + if (out_linear) + format = babl_format ("RGBA u8"); + else + format = babl_format ("R'G'B'A u8"); + } + else + { + if (out_linear) + format = babl_format ("RGB u8"); + else + format = babl_format ("R'G'B' u8"); + } + + bpp = babl_format_get_bytes_per_pixel (format); + + /* fix layers to avoid offset errors */ + gimp_layer_resize_to_image_size (drawable); + + /* Retrieve the buffer for the layer */ + geglbuffer = gimp_drawable_get_buffer (drawable); + extent = *gegl_buffer_get_extent (geglbuffer); + w = extent.width; + h = extent.height; + + if (loop == 0) + { + enc = WebPAnimEncoderNew (w, h, &enc_options); + if (! enc) + { + g_printerr ("ERROR: enc == null\n"); + status = FALSE; + break; + } + } + + /* Attempt to allocate a buffer of the appropriate size */ + if (! buffer || buffer_size < w * h * bpp) + { + buffer = g_try_realloc (buffer, w * h * bpp); + + if (! buffer) + { + g_printerr ("Buffer error: 'buffer null'\n"); + status = FALSE; + break; + } + else + { + buffer_size = w * h * bpp; + } + } + + WebPConfigPreset (&config, params->preset, params->quality); + + config.lossless = params->lossless; + config.method = 6; /* better quality */ + config.alpha_quality = params->alpha_quality; + config.exact = 1; + + WebPMemoryWriterInit (&mw); + + /* Prepare the WebP structure */ + WebPPictureInit (&picture); + picture.use_argb = 1; + picture.argb_stride = w * bpp; + picture.width = w; + picture.height = h; + picture.custom_ptr = &mw; + picture.writer = WebPMemoryWrite; + + if (loop == 0 || ! needs_combine) + { + g_clear_object (&prev_frame); + current_frame = geglbuffer; + } + else + { + current_frame = combine_buffers (geglbuffer, prev_frame); + + /* release resources. */ + g_object_unref (geglbuffer); + g_clear_object (&prev_frame); + } + prev_frame = current_frame; + + /* Read the region into the buffer */ + gegl_buffer_get (current_frame, &extent, 1.0, format, buffer, + GEGL_AUTO_ROWSTRIDE, GEGL_ABYSS_NONE); + + /* Use the appropriate function to import the data from the buffer */ + if (! has_alpha) + { + status = WebPPictureImportRGB (&picture, buffer, w * bpp); + } + else + { + status = WebPPictureImportRGBA (&picture, buffer, w * bpp); + } + + if (! status) + { + g_printerr ("%s: memory error in WebPPictureImportRGB(A)().", + G_STRFUNC); + } + /* Perform the actual encode */ + else if (! WebPAnimEncoderAdd (enc, &picture, frame_timestamp, &config)) + { + gchar *error_str = webp_error_string (picture.error_code); + g_printerr ("ERROR[%d]: line %d: %s\n", + picture.error_code, __LINE__, + error_str); + g_free (error_str); + status = FALSE; + } + + WebPMemoryWriterClear (&mw); + WebPPictureFree (&picture); + + if (status == FALSE) + break; + + gimp_progress_update ((loop + 1.0) / nLayers); + frame_timestamp += (delay <= 0 || force_delay) ? default_delay : delay; + } + g_free (buffer); + + if (status == FALSE) + break; + + WebPAnimEncoderAdd (enc, NULL, frame_timestamp, NULL); + + if (! WebPAnimEncoderAssemble (enc, &webp_data)) + { + g_printerr ("ERROR: %s\n", + WebPAnimEncoderGetError (enc)); + status = FALSE; + break; + } + + /* Create a mux object if profile is present */ + if (profile) + { + WebPMux *mux; + WebPData chunk; + const guint8 *icc_data; + gsize icc_data_size; + + mux = WebPMuxCreate (&webp_data, 1); + if (mux == NULL) + { + g_printerr ("ERROR: could not extract muxing object\n"); + status = FALSE; + break; + } + + /* Save ICC data */ + icc_data = gimp_color_profile_get_icc_profile (profile, &icc_data_size); + chunk.bytes = icc_data; + chunk.size = icc_data_size; + WebPMuxSetChunk (mux, "ICCP", &chunk, 1); + + WebPDataClear (&webp_data); + if (WebPMuxAssemble (mux, &webp_data) != WEBP_MUX_OK) + { + g_printerr ("ERROR: could not assemble final bytestream\n"); + status = FALSE; + break; + } + } + + webp_anim_file_writer (outfile, webp_data.bytes, webp_data.size); + } + while (0); + + /* Free any resources */ + WebPDataClear (&webp_data); + WebPAnimEncoderDelete (enc); + g_clear_object (&profile); + + if (prev_frame != NULL) + { + g_object_unref (prev_frame); + } + + if (outfile) + fclose (outfile); + + return status; +} + + +gboolean +save_image (const gchar *filename, + gint32 image_ID, + gint32 drawable_ID, + GimpMetadata *metadata, + GimpMetadataSaveFlags metadata_flags, + WebPSaveParams *params, + GError **error) +{ + GFile *file; + gboolean status = FALSE; + gint32 *layers; + gint nlayers; + + layers = gimp_image_get_layers (image_ID, &nlayers); + + if (nlayers == 0) + { + g_free (layers); + return FALSE; + } + + g_printerr ("Saving WebP file %s\n", filename); + + if (params->animation) + { + status = save_animation (filename, + nlayers, layers, image_ID, drawable_ID, params, + error); + } + else + { + status = save_layer (filename, + nlayers, image_ID, drawable_ID, params, error); + } + + g_free (layers); + + if (metadata) + { + gimp_metadata_set_bits_per_sample (metadata, 8); + + if (params->exif) + metadata_flags |= GIMP_METADATA_SAVE_EXIF; + else + metadata_flags &= ~GIMP_METADATA_SAVE_EXIF; + + /* WebP doesn't support iptc natively and + sets it via xmp */ + if (params->xmp) + { + metadata_flags |= GIMP_METADATA_SAVE_XMP; + if (params->iptc) + metadata_flags |= GIMP_METADATA_SAVE_IPTC; + else + metadata_flags &= ~GIMP_METADATA_SAVE_IPTC; + } + else + { + metadata_flags &= ~GIMP_METADATA_SAVE_XMP; + metadata_flags &= ~GIMP_METADATA_SAVE_IPTC; + } + + if (params->profile) + metadata_flags |= GIMP_METADATA_SAVE_COLOR_PROFILE; + else + metadata_flags &= ~GIMP_METADATA_SAVE_COLOR_PROFILE; + + if (params->thumbnail) + metadata_flags |= GIMP_METADATA_SAVE_THUMBNAIL; + else + metadata_flags &= ~GIMP_METADATA_SAVE_THUMBNAIL; + + file = g_file_new_for_path (filename); + gimp_image_metadata_save_finish (image_ID, + "image/webp", + metadata, metadata_flags, + file, NULL); + g_object_unref (file); + } + + /* Return the status */ + return status; +} + +static void +webp_decide_output (gint32 image_ID, + WebPSaveParams *params, + GimpColorProfile **profile, + gboolean *out_linear) +{ + g_return_if_fail (profile && *profile == NULL); + + *out_linear = FALSE; + if (params->profile) + { + *profile = gimp_image_get_color_profile (image_ID); + + /* If a profile is explicitly set, follow its TRC, whatever the + * storage format. + */ + if (*profile && gimp_color_profile_is_linear (*profile)) + *out_linear = TRUE; + + /* When no profile was explicitly set, since WebP is apparently + * 8-bit max, we export it as sRGB to avoid shadow posterization + * (we don't care about storage TRC). + * We do an exception for 8-bit linear work image to avoid + * conversion loss while the precision is the same. + */ + if (! *profile) + { + /* There is always an effective profile. */ + *profile = gimp_image_get_effective_color_profile (image_ID); + + if (gimp_color_profile_is_linear (*profile)) + { + if (gimp_image_get_precision (image_ID) != GIMP_PRECISION_U8_LINEAR) + { + /* If stored data was linear, let's convert the profile. */ + GimpColorProfile *saved_profile; + + saved_profile = gimp_color_profile_new_srgb_trc_from_color_profile (*profile); + g_clear_object (profile); + *profile = saved_profile; + } + else + { + /* Keep linear profile as-is for 8-bit linear image. */ + *out_linear = TRUE; + } + } + } + } +} diff --git a/plug-ins/file-webp/file-webp-save.h b/plug-ins/file-webp/file-webp-save.h new file mode 100644 index 0000000..ddb2afb --- /dev/null +++ b/plug-ins/file-webp/file-webp-save.h @@ -0,0 +1,55 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __WEBP_SAVE_H__ +#define __WEBP_SAVE_H__ + + +typedef struct +{ + WebPPreset preset; + gboolean lossless; + gboolean animation; + gboolean loop; + gboolean minimize_size; + gint kf_distance; + gfloat quality; + gfloat alpha_quality; + gboolean exif; + gboolean iptc; + gboolean xmp; + gboolean profile; + gboolean thumbnail; + gint delay; + gboolean force_delay; +} WebPSaveParams; + + +gboolean save_image (const gchar *filename, + gint32 image_ID, + gint32 drawable_ID, + GimpMetadata *metadata, + GimpMetadataSaveFlags metadata_flags, + WebPSaveParams *params, + GError **error); + + +#endif /* __WEBP_SAVE_H__ */ diff --git a/plug-ins/file-webp/file-webp.c b/plug-ins/file-webp/file-webp.c new file mode 100644 index 0000000..219e6a6 --- /dev/null +++ b/plug-ins/file-webp/file-webp.c @@ -0,0 +1,384 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <string.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include <webp/encode.h> + +#include "file-webp-dialog.h" +#include "file-webp-load.h" +#include "file-webp-save.h" +#include "file-webp.h" + +#include "libgimp/stdplugins-intl.h" + + +static void query (void); +static void run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals); + + +const GimpPlugInInfo PLUG_IN_INFO = +{ + NULL, + NULL, + query, + run +}; + + +MAIN() + +static void +query (void) +{ + static const GimpParamDef load_arguments[] = + { + { GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" }, + { GIMP_PDB_STRING, "filename", "The name of the file to load" }, + { GIMP_PDB_STRING, "raw-filename", "The name entered" } + }; + + static const GimpParamDef load_return_values[] = + { + { GIMP_PDB_IMAGE, "image", "Output image" } + }; + + static const GimpParamDef save_arguments[] = + { + { GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" }, + { GIMP_PDB_IMAGE, "image", "Input image" }, + { GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" }, + { GIMP_PDB_STRING, "filename", "The name of the file to save the image to" }, + { GIMP_PDB_STRING, "raw-filename", "The name entered" }, + { GIMP_PDB_INT32, "preset", "preset (Default=0, Picture=1, Photo=2, Drawing=3, Icon=4, Text=5)" }, + { GIMP_PDB_INT32, "lossless", "Use lossless encoding (0/1)" }, + { GIMP_PDB_FLOAT, "quality", "Quality of the image (0 <= quality <= 100)" }, + { GIMP_PDB_FLOAT, "alpha-quality", "Quality of the image's alpha channel (0 <= alpha-quality <= 100)" }, + { GIMP_PDB_INT32, "animation", "Use layers for animation (0/1)" }, + { GIMP_PDB_INT32, "anim-loop", "Loop animation infinitely (0/1)" }, + { GIMP_PDB_INT32, "minimize-size", "Minimize animation size (0/1)" }, + { GIMP_PDB_INT32, "kf-distance", "Maximum distance between key-frames (>=0)" }, + { GIMP_PDB_INT32, "exif", "Toggle saving exif data (0/1)" }, + { GIMP_PDB_INT32, "iptc", "Toggle saving iptc data (0/1)" }, + { GIMP_PDB_INT32, "xmp", "Toggle saving xmp data (0/1)" }, + { GIMP_PDB_INT32, "delay", "Delay to use when timestamps are not available or forced" }, + { GIMP_PDB_INT32, "force-delay", "Force delay on all frames" } + }; + + static const GimpParamDef save_arguments2[] = + { + { GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" }, + { GIMP_PDB_IMAGE, "image", "Input image" }, + { GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" }, + { GIMP_PDB_STRING, "filename", "The name of the file to save the image to" }, + { GIMP_PDB_STRING, "raw-filename", "The name entered" }, + { GIMP_PDB_INT32, "preset", "preset (Default=0, Picture=1, Photo=2, Drawing=3, Icon=4, Text=5)" }, + { GIMP_PDB_INT32, "lossless", "Use lossless encoding (0/1)" }, + { GIMP_PDB_FLOAT, "quality", "Quality of the image (0 <= quality <= 100)" }, + { GIMP_PDB_FLOAT, "alpha-quality", "Quality of the image's alpha channel (0 <= alpha-quality <= 100)" }, + { GIMP_PDB_INT32, "animation", "Use layers for animation (0/1)" }, + { GIMP_PDB_INT32, "anim-loop", "Loop animation infinitely (0/1)" }, + { GIMP_PDB_INT32, "minimize-size", "Minimize animation size (0/1)" }, + { GIMP_PDB_INT32, "kf-distance", "Maximum distance between key-frames (>=0)" }, + { GIMP_PDB_INT32, "exif", "Toggle saving exif data (0/1)" }, + { GIMP_PDB_INT32, "iptc", "Toggle saving iptc data (0/1)" }, + { GIMP_PDB_INT32, "xmp", "Toggle saving xmp data (0/1)" }, + { GIMP_PDB_INT32, "thumbnail", "Toggle saving thumbnail (0/1)" }, + { GIMP_PDB_INT32, "delay", "Delay to use when timestamps are not available or forced" }, + { GIMP_PDB_INT32, "force-delay", "Force delay on all frames" } + }; + + gimp_install_procedure (LOAD_PROC, + "Loads images in the WebP file format", + "Loads images in the WebP file format", + "Nathan Osman, Ben Touchette", + "(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette", + "2015,2016", + N_("WebP image"), + NULL, + GIMP_PLUGIN, + G_N_ELEMENTS (load_arguments), + G_N_ELEMENTS (load_return_values), + load_arguments, + load_return_values); + + gimp_register_file_handler_mime (LOAD_PROC, "image/webp"); + gimp_register_load_handler (LOAD_PROC, "webp", ""); + gimp_register_magic_load_handler (LOAD_PROC, + "webp", + "", + "8,string,WEBP"); + + gimp_install_procedure (SAVE_PROC, + "Saves files in the WebP image format", + "Saves files in the WebP image format", + "Nathan Osman, Ben Touchette", + "(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette", + "2015,2016", + N_("WebP image"), + "RGB*, GRAY*, INDEXED*", + GIMP_PLUGIN, + G_N_ELEMENTS (save_arguments), + 0, + save_arguments, + NULL); + + gimp_register_file_handler_mime (SAVE_PROC, "image/webp"); + gimp_register_save_handler (SAVE_PROC, "webp", ""); + + gimp_install_procedure (SAVE_PROC2, + "Saves files in the WebP image format", + "Saves files in the WebP image format " + "with additional metadata control", + "Nathan Osman, Ben Touchette", + "(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette", + "2015,2016", + N_("WebP image"), + "RGB*, GRAY*, INDEXED*", + GIMP_PLUGIN, + G_N_ELEMENTS (save_arguments2), + 0, + save_arguments2, + NULL); + + gimp_register_file_handler_mime (SAVE_PROC2, "image/webp"); + gimp_register_save_handler (SAVE_PROC2, "webp", ""); +} + +static void +run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals) +{ + static GimpParam values[2]; + GimpRunMode run_mode; + GimpPDBStatusType status = GIMP_PDB_SUCCESS; + gint32 image_ID; + gint32 drawable_ID; + GError *error = NULL; + + INIT_I18N (); + gegl_init (NULL, NULL); + + run_mode = param[0].data.d_int32; + + *nreturn_vals = 1; + *return_vals = values; + + values[0].type = GIMP_PDB_STATUS; + values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; + + if (! strcmp (name, LOAD_PROC)) + { + image_ID = load_image (param[1].data.d_string, FALSE, &error); + + if (image_ID != -1) + { + /* Return the new image that was loaded */ + *nreturn_vals = 2; + values[1].type = GIMP_PDB_IMAGE; + values[1].data.d_image = image_ID; + } + else + { + status = GIMP_PDB_EXECUTION_ERROR; + } + } + else if (! strcmp (name, SAVE_PROC) || + ! strcmp (name, SAVE_PROC2)) + { + GimpMetadata *metadata = NULL; + GimpMetadataSaveFlags metadata_flags; + WebPSaveParams params; + GimpExportReturn export = GIMP_EXPORT_CANCEL; + + if (run_mode == GIMP_RUN_INTERACTIVE || + run_mode == GIMP_RUN_WITH_LAST_VALS) + gimp_ui_init (PLUG_IN_BINARY, FALSE); + + image_ID = param[1].data.d_int32; + drawable_ID = param[2].data.d_int32; + + /* Default settings */ + params.preset = WEBP_PRESET_DEFAULT; + params.lossless = FALSE; + params.animation = FALSE; + params.loop = TRUE; + params.minimize_size = TRUE; + params.kf_distance = 50; + params.quality = 90.0f; + params.alpha_quality = 100.0f; + params.exif = FALSE; + params.iptc = FALSE; + params.xmp = FALSE; + params.delay = 200; + params.force_delay = FALSE; + params.thumbnail = FALSE; + + /* Override the defaults with preferences. */ + metadata = gimp_image_metadata_save_prepare (image_ID, + "image/webp", + &metadata_flags); + params.exif = (metadata_flags & GIMP_METADATA_SAVE_EXIF) != 0; + params.xmp = (metadata_flags & GIMP_METADATA_SAVE_XMP) != 0; + params.iptc = (metadata_flags & GIMP_METADATA_SAVE_IPTC) != 0; + params.profile = (metadata_flags & GIMP_METADATA_SAVE_COLOR_PROFILE) != 0; + if (! strcmp (name, SAVE_PROC2)) + params.thumbnail = (metadata_flags & GIMP_METADATA_SAVE_THUMBNAIL) != 0; + + switch (run_mode) + { + case GIMP_RUN_WITH_LAST_VALS: + /* Possibly override with session data */ + if (! strcmp (name, SAVE_PROC)) + gimp_get_data (SAVE_PROC, ¶ms); + else if (! strcmp (name, SAVE_PROC2)) + gimp_get_data (SAVE_PROC2, ¶ms); + break; + + case GIMP_RUN_INTERACTIVE: + /* Possibly override with session data */ + if (! strcmp (name, SAVE_PROC)) + gimp_get_data (SAVE_PROC, ¶ms); + else if (! strcmp (name, SAVE_PROC2)) + gimp_get_data (SAVE_PROC2, ¶ms); + + if (! save_dialog (¶ms, image_ID)) + { + status = GIMP_PDB_CANCEL; + } + break; + + case GIMP_RUN_NONINTERACTIVE: + if ((! strcmp (name, SAVE_PROC) && nparams != 18) || + (! strcmp (name, SAVE_PROC2) && nparams != 19)) + { + status = GIMP_PDB_CALLING_ERROR; + } + else + { + if (param[5].data.d_int32 < WEBP_PRESET_DEFAULT || + param[5].data.d_int32 > WEBP_PRESET_TEXT) + params.preset = WEBP_PRESET_DEFAULT; + else + params.preset = param[5].data.d_int32; + + params.lossless = param[6].data.d_int32; + params.quality = param[7].data.d_float; + params.alpha_quality = param[8].data.d_float; + params.animation = param[9].data.d_int32; + params.loop = param[10].data.d_int32; + params.minimize_size = param[11].data.d_int32; + params.kf_distance = param[12].data.d_int32; + params.exif = param[13].data.d_int32; + params.iptc = param[14].data.d_int32; + params.xmp = param[15].data.d_int32; + if (! strcmp (name, SAVE_PROC)) + { + params.delay = param[16].data.d_int32; + params.force_delay = param[17].data.d_int32; + } + else + { + params.thumbnail = param[16].data.d_int32; + params.delay = param[17].data.d_int32; + params.force_delay = param[18].data.d_int32; + } + } + break; + + default: + break; + } + + if (status == GIMP_PDB_SUCCESS && (run_mode == GIMP_RUN_INTERACTIVE || + run_mode == GIMP_RUN_WITH_LAST_VALS)) + { + GimpExportCapabilities capabilities = + GIMP_EXPORT_CAN_HANDLE_RGB | + GIMP_EXPORT_CAN_HANDLE_GRAY | + GIMP_EXPORT_CAN_HANDLE_INDEXED | + GIMP_EXPORT_CAN_HANDLE_ALPHA; + + if (params.animation) + capabilities |= GIMP_EXPORT_CAN_HANDLE_LAYERS_AS_ANIMATION; + + export = gimp_export_image (&image_ID, &drawable_ID, "WebP", + capabilities); + + if (export == GIMP_EXPORT_CANCEL) + { + values[0].data.d_status = GIMP_PDB_CANCEL; + status = GIMP_PDB_CANCEL; + } + } + + if (status == GIMP_PDB_SUCCESS) + { + if (! save_image (param[3].data.d_string, + image_ID, + drawable_ID, + metadata, metadata_flags, + ¶ms, + &error)) + { + status = GIMP_PDB_EXECUTION_ERROR; + } + } + + + if (export == GIMP_EXPORT_EXPORT) + gimp_image_delete (image_ID); + + if (metadata) + g_object_unref (metadata); + + if (status == GIMP_PDB_SUCCESS) + { + /* save parameters for later */ + if (! strcmp (name, SAVE_PROC)) + gimp_set_data (SAVE_PROC, ¶ms, sizeof (params)); + else if (! strcmp (name, SAVE_PROC2)) + gimp_set_data (SAVE_PROC2, ¶ms, sizeof (params)); + } + } + + /* If an error was supplied, include it in the return values */ + if (status != GIMP_PDB_SUCCESS && error) + { + *nreturn_vals = 2; + values[1].type = GIMP_PDB_STRING; + values[1].data.d_string = error->message; + } + + values[0].data.d_status = status; +} diff --git a/plug-ins/file-webp/file-webp.h b/plug-ins/file-webp/file-webp.h new file mode 100644 index 0000000..6d77e3b --- /dev/null +++ b/plug-ins/file-webp/file-webp.h @@ -0,0 +1,33 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * file-webp - WebP file format plug-in for the GIMP + * Copyright (C) 2015 Nathan Osman + * Copyright (C) 2016 Ben Touchette + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef __FILE_WEBP_H__ +#define __FILE_WEBP_H__ + + +#define LOAD_PROC "file-webp-load" +#define SAVE_PROC "file-webp-save" +#define SAVE_PROC2 "file-webp-save2" +#define PLUG_IN_BINARY "file-webp" +#define PLUG_IN_ROLE "gimp-file-webp" + + +#endif /* __FILE_WEBP_H__ */ |