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Diffstat (limited to 'app/sanity.c')
-rw-r--r-- | app/sanity.c | 755 |
1 files changed, 755 insertions, 0 deletions
diff --git a/app/sanity.c b/app/sanity.c new file mode 100644 index 0000000..0ad044a --- /dev/null +++ b/app/sanity.c @@ -0,0 +1,755 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * 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 <cairo.h> +#include <fontconfig/fontconfig.h> +#include <pango/pango.h> +#include <pango/pangoft2.h> +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <lcms2.h> +#include <gexiv2/gexiv2.h> +#include <gegl.h> + +#include "libgimpbase/gimpbase.h" + +#include "sanity.h" + +#include "gimp-intl.h" + + +/* early-stage tests */ +static gchar * sanity_check_gimp (void); +static gchar * sanity_check_glib (void); +static gchar * sanity_check_cairo (void); +static gchar * sanity_check_pango (void); +static gchar * sanity_check_fontconfig (void); +static gchar * sanity_check_freetype (void); +static gchar * sanity_check_gdk_pixbuf (void); +static gchar * sanity_check_lcms (void); +static gchar * sanity_check_gexiv2 (void); +static gchar * sanity_check_babl (void); +static gchar * sanity_check_gegl (void); +static gchar * sanity_check_filename_encoding (void); + +/* late-stage tests */ +static gchar * sanity_check_gegl_ops (void); + + +/* public functions */ + +/* early-stage sanity check, performed before the call to app_run(). */ +const gchar * +sanity_check_early (void) +{ + gchar *abort_message = NULL; + + if (! abort_message) + abort_message = sanity_check_gimp (); + + if (! abort_message) + abort_message = sanity_check_glib (); + + if (! abort_message) + abort_message = sanity_check_cairo (); + + if (! abort_message) + abort_message = sanity_check_pango (); + + if (! abort_message) + abort_message = sanity_check_fontconfig (); + + if (! abort_message) + abort_message = sanity_check_freetype (); + + if (! abort_message) + abort_message = sanity_check_gdk_pixbuf (); + + if (! abort_message) + abort_message = sanity_check_lcms (); + + if (! abort_message) + abort_message = sanity_check_gexiv2 (); + + if (! abort_message) + abort_message = sanity_check_babl (); + + if (! abort_message) + abort_message = sanity_check_gegl (); + + if (! abort_message) + abort_message = sanity_check_filename_encoding (); + + return abort_message; +} + +/* late-stage sanity check, performed during app_run(), after the user + * configuration has been loaded. + */ +const gchar * +sanity_check_late (void) +{ + gchar *abort_message = NULL; + + /* the gegl ops test initializes all gegl ops; in particular, it initializes + * all the strings used by their properties, which appear in the ui. it + * must be run after we've called language_init(), potentially overriding + * LANGUAGE according to the user config, or else all affected strings would + * use the translation corresponding to the system locale, regardless. + */ + if (! abort_message) + abort_message = sanity_check_gegl_ops (); + + return abort_message; +} + + +/* private functions */ + + +/* early-stage tests */ + +static gboolean +sanity_check_version (guint major_version, guint required_major, + guint minor_version, guint required_minor, + guint micro_version, guint required_micro) +{ + if (major_version > required_major) + return TRUE; + + if (major_version < required_major) + return FALSE; + + if (minor_version > required_minor) + return TRUE; + + if (minor_version < required_minor) + return FALSE; + + if (micro_version >= required_micro) + return TRUE; + + return FALSE; +} + +static gchar * +sanity_check_gimp (void) +{ + if (GIMP_MAJOR_VERSION != gimp_major_version || + GIMP_MINOR_VERSION != gimp_minor_version || + GIMP_MICRO_VERSION != gimp_micro_version) + { + return g_strdup_printf + ("Libgimp version mismatch!\n\n" + "The GIMP binary cannot run with a libgimp version\n" + "other than its own. This is GIMP %d.%d.%d, but the\n" + "libgimp version is %d.%d.%d.\n\n" + "Maybe you have GIMP versions in both /usr and /usr/local ?", + GIMP_MAJOR_VERSION, GIMP_MINOR_VERSION, GIMP_MICRO_VERSION, + gimp_major_version, gimp_minor_version, gimp_micro_version); + } + + return NULL; +} + +static gchar * +sanity_check_glib (void) +{ +#define GLIB_REQUIRED_MAJOR 2 +#define GLIB_REQUIRED_MINOR 56 +#define GLIB_REQUIRED_MICRO 2 + + const gchar *mismatch = glib_check_version (GLIB_REQUIRED_MAJOR, + GLIB_REQUIRED_MINOR, + GLIB_REQUIRED_MICRO); + + if (mismatch) + { + return g_strdup_printf + ("%s\n\n" + "GIMP requires GLib version %d.%d.%d or later.\n" + "Installed GLib version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older GLib version.\n\n" + "Please upgrade to GLib version %d.%d.%d or later.", + mismatch, + GLIB_REQUIRED_MAJOR, GLIB_REQUIRED_MINOR, GLIB_REQUIRED_MICRO, + glib_major_version, glib_minor_version, glib_micro_version, + GLIB_REQUIRED_MAJOR, GLIB_REQUIRED_MINOR, GLIB_REQUIRED_MICRO); + } + +#undef GLIB_REQUIRED_MAJOR +#undef GLIB_REQUIRED_MINOR +#undef GLIB_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_cairo (void) +{ +#define CAIRO_REQUIRED_MAJOR 1 +#define CAIRO_REQUIRED_MINOR 12 +#define CAIRO_REQUIRED_MICRO 2 + + if (cairo_version () < CAIRO_VERSION_ENCODE (CAIRO_REQUIRED_MAJOR, + CAIRO_REQUIRED_MINOR, + CAIRO_REQUIRED_MICRO)) + { + return g_strdup_printf + ("The Cairo version being used is too old!\n\n" + "GIMP requires Cairo version %d.%d.%d or later.\n" + "Installed Cairo version is %s.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older Cairo version.\n\n" + "Please upgrade to Cairo version %d.%d.%d or later.", + CAIRO_REQUIRED_MAJOR, CAIRO_REQUIRED_MINOR, CAIRO_REQUIRED_MICRO, + cairo_version_string (), + CAIRO_REQUIRED_MAJOR, CAIRO_REQUIRED_MINOR, CAIRO_REQUIRED_MICRO); + } + +#undef CAIRO_REQUIRED_MAJOR +#undef CAIRO_REQUIRED_MINOR +#undef CAIRO_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_pango (void) +{ +#define PANGO_REQUIRED_MAJOR 1 +#define PANGO_REQUIRED_MINOR 29 +#define PANGO_REQUIRED_MICRO 4 + + const gchar *mismatch = pango_version_check (PANGO_REQUIRED_MAJOR, + PANGO_REQUIRED_MINOR, + PANGO_REQUIRED_MICRO); + + if (mismatch) + { + const gint pango_major_version = pango_version () / 100 / 100; + const gint pango_minor_version = pango_version () / 100 % 100; + const gint pango_micro_version = pango_version () % 100; + + return g_strdup_printf + ("%s\n\n" + "GIMP requires Pango version %d.%d.%d or later.\n" + "Installed Pango version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older Pango version.\n\n" + "Please upgrade to Pango version %d.%d.%d or later.", + mismatch, + PANGO_REQUIRED_MAJOR, PANGO_REQUIRED_MINOR, PANGO_REQUIRED_MICRO, + pango_major_version, pango_minor_version, pango_micro_version, + PANGO_REQUIRED_MAJOR, PANGO_REQUIRED_MINOR, PANGO_REQUIRED_MICRO); + } + +#undef PANGO_REQUIRED_MAJOR +#undef PANGO_REQUIRED_MINOR +#undef PANGO_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_fontconfig (void) +{ + const gint fc_version = FcGetVersion (); + +#define FC_REQUIRED_MAJOR 2 +#define FC_REQUIRED_MINOR 2 +#define FC_REQUIRED_MICRO 0 + + if (fc_version < ((FC_REQUIRED_MAJOR * 10000) + + (FC_REQUIRED_MINOR * 100) + + (FC_REQUIRED_MICRO * 1))) + { + const gint fc_major_version = fc_version / 100 / 100; + const gint fc_minor_version = fc_version / 100 % 100; + const gint fc_micro_version = fc_version % 100; + + return g_strdup_printf + ("The Fontconfig version being used is too old!\n\n" + "GIMP requires Fontconfig version %d.%d.%d or later.\n" + "The Fontconfig version loaded by GIMP is %d.%d.%d.\n\n" + "This may be caused by another instance of libfontconfig.so.1\n" + "being installed in the system, probably in /usr/X11R6/lib.\n" + "Please correct the situation or report it to someone who can.", + FC_REQUIRED_MAJOR, FC_REQUIRED_MINOR, FC_REQUIRED_MICRO, + fc_major_version, fc_minor_version, fc_micro_version); + } + +#undef FC_REQUIRED_MAJOR +#undef FC_REQUIRED_MINOR +#undef FC_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_freetype (void) +{ + FT_Library ft_library; + FT_Int ft_major_version; + FT_Int ft_minor_version; + FT_Int ft_micro_version; + FT_Int ft_version; + +#define FT_REQUIRED_MAJOR 2 +#define FT_REQUIRED_MINOR 1 +#define FT_REQUIRED_MICRO 7 + + if (FT_Init_FreeType (&ft_library) != 0) + g_error ("FT_Init_FreeType() failed"); + + FT_Library_Version (ft_library, + &ft_major_version, + &ft_minor_version, + &ft_micro_version); + + if (FT_Done_FreeType (ft_library) != 0) + g_error ("FT_Done_FreeType() failed"); + + ft_version = (ft_major_version * 10000 + + ft_minor_version * 100 + + ft_micro_version * 1); + + if (ft_version < ((FT_REQUIRED_MAJOR * 10000) + + (FT_REQUIRED_MINOR * 100) + + (FT_REQUIRED_MICRO * 1))) + { + return g_strdup_printf + ("FreeType version too old!\n\n" + "GIMP requires FreeType version %d.%d.%d or later.\n" + "Installed FreeType version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older FreeType version.\n\n" + "Please upgrade to FreeType version %d.%d.%d or later.", + FT_REQUIRED_MAJOR, FT_REQUIRED_MINOR, FT_REQUIRED_MICRO, + ft_major_version, ft_minor_version, ft_micro_version, + FT_REQUIRED_MAJOR, FT_REQUIRED_MINOR, FT_REQUIRED_MICRO); + } + +#undef FT_REQUIRED_MAJOR +#undef FT_REQUIRED_MINOR +#undef FT_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_gdk_pixbuf (void) +{ +#define GDK_PIXBUF_REQUIRED_MAJOR 2 +#define GDK_PIXBUF_REQUIRED_MINOR 30 +#define GDK_PIXBUF_REQUIRED_MICRO 8 + + if (! sanity_check_version (gdk_pixbuf_major_version, GDK_PIXBUF_REQUIRED_MAJOR, + gdk_pixbuf_minor_version, GDK_PIXBUF_REQUIRED_MINOR, + gdk_pixbuf_micro_version, GDK_PIXBUF_REQUIRED_MICRO)) + { + return g_strdup_printf + ("GdkPixbuf version too old!\n\n" + "GIMP requires GdkPixbuf version %d.%d.%d or later.\n" + "Installed GdkPixbuf version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older GdkPixbuf version.\n\n" + "Please upgrade to GdkPixbuf version %d.%d.%d or later.", + GDK_PIXBUF_REQUIRED_MAJOR, GDK_PIXBUF_REQUIRED_MINOR, GDK_PIXBUF_REQUIRED_MICRO, + gdk_pixbuf_major_version, gdk_pixbuf_minor_version, gdk_pixbuf_micro_version, + GDK_PIXBUF_REQUIRED_MAJOR, GDK_PIXBUF_REQUIRED_MINOR, GDK_PIXBUF_REQUIRED_MICRO); + } + +#undef GDK_PIXBUF_REQUIRED_MAJOR +#undef GDK_PIXBUF_REQUIRED_MINOR +#undef GDK_PIXBUF_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_lcms (void) +{ +#define LCMS_REQUIRED_MAJOR 2 +#define LCMS_REQUIRED_MINOR 8 + + gint lcms_version = cmsGetEncodedCMMversion (); + + if (LCMS_VERSION > lcms_version) + { + return g_strdup_printf + ("Liblcms2 version mismatch!\n\n" + "GIMP was compiled against LittleCMS version %d.%d, but the\n" + "LittleCMS version found at runtime is only %d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install a LittleCMS that is older than what GIMP was\n" + "built against.\n\n" + "Please make sure that the installed LittleCMS version\n" + "is at least %d.%d and that headers and library match.", + LCMS_VERSION / 1000, LCMS_VERSION % 100 / 10, + lcms_version / 1000, lcms_version % 100 / 10, + LCMS_VERSION / 1000, LCMS_VERSION % 100 / 10); + } + + if (lcms_version < (LCMS_REQUIRED_MAJOR * 1000 + + LCMS_REQUIRED_MINOR * 10)) + { + const gint lcms_major_version = lcms_version / 1000; + const gint lcms_minor_version = lcms_version % 100 / 10; + + return g_strdup_printf + ("Liblcms2 version too old!\n\n" + "GIMP requires LittleCMS version %d.%d or later.\n" + "Installed LittleCMS version is %d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older LittleCMS version.\n\n" + "Please upgrade to LittleCMS version %d.%d or later.", + LCMS_REQUIRED_MAJOR, LCMS_REQUIRED_MINOR, + lcms_major_version, lcms_minor_version, + LCMS_REQUIRED_MAJOR, LCMS_REQUIRED_MINOR); + } + +#undef LCMS_REQUIRED_MAJOR +#undef LCMS_REQUIRED_MINOR + + return NULL; +} + +static gchar * +sanity_check_gexiv2 (void) +{ +#ifdef GEXIV2_MAJOR_VERSION + +#define GEXIV2_REQUIRED_MAJOR 0 +#define GEXIV2_REQUIRED_MINOR 10 +#define GEXIV2_REQUIRED_MICRO 6 + + gint gexiv2_version = gexiv2_get_version (); + + if (gexiv2_version < (GEXIV2_REQUIRED_MAJOR * 100 * 100 + + GEXIV2_REQUIRED_MINOR * 100 + + GEXIV2_REQUIRED_MICRO)) + { + const gint gexiv2_major_version = gexiv2_version / 100 / 100; + const gint gexiv2_minor_version = gexiv2_version / 100 % 100; + const gint gexiv2_micro_version = gexiv2_version % 100; + + return g_strdup_printf + ("gexiv2 version too old!\n\n" + "GIMP requires gexiv2 version %d.%d.%d or later.\n" + "Installed gexiv2 version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older gexiv2 version.\n\n" + "Please upgrade to gexiv2 version %d.%d.%d or later.", + GEXIV2_REQUIRED_MAJOR, GEXIV2_REQUIRED_MINOR, GEXIV2_REQUIRED_MICRO, + gexiv2_major_version, gexiv2_minor_version, gexiv2_micro_version, + GEXIV2_REQUIRED_MAJOR, GEXIV2_REQUIRED_MINOR, GEXIV2_REQUIRED_MICRO); + } + +#undef GEXIV2_REQUIRED_MAJOR +#undef GEXIV2_REQUIRED_MINOR +#undef GEXIV2_REQUIRED_MICRO + +#endif + + return NULL; +} + +static gchar * +sanity_check_babl (void) +{ + gint babl_major_version; + gint babl_minor_version; + gint babl_micro_version; + +#define BABL_REQUIRED_MAJOR 0 +#define BABL_REQUIRED_MINOR 1 +#define BABL_REQUIRED_MICRO 78 + + babl_get_version (&babl_major_version, + &babl_minor_version, + &babl_micro_version); + + if (! sanity_check_version (babl_major_version, BABL_REQUIRED_MAJOR, + babl_minor_version, BABL_REQUIRED_MINOR, + babl_micro_version, BABL_REQUIRED_MICRO)) + { + return g_strdup_printf + ("BABL version too old!\n\n" + "GIMP requires BABL version %d.%d.%d or later.\n" + "Installed BABL version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older BABL version.\n\n" + "Please upgrade to BABL version %d.%d.%d or later.", + BABL_REQUIRED_MAJOR, BABL_REQUIRED_MINOR, BABL_REQUIRED_MICRO, + babl_major_version, babl_minor_version, babl_micro_version, + BABL_REQUIRED_MAJOR, BABL_REQUIRED_MINOR, BABL_REQUIRED_MICRO); + } + +#undef BABL_REQUIRED_MAJOR +#undef BABL_REQUIRED_MINOR +#undef BABL_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_gegl (void) +{ + gint gegl_major_version; + gint gegl_minor_version; + gint gegl_micro_version; + +#define GEGL_REQUIRED_MAJOR 0 +#define GEGL_REQUIRED_MINOR 4 +#define GEGL_REQUIRED_MICRO 26 + + gegl_get_version (&gegl_major_version, + &gegl_minor_version, + &gegl_micro_version); + + if (! sanity_check_version (gegl_major_version, GEGL_REQUIRED_MAJOR, + gegl_minor_version, GEGL_REQUIRED_MINOR, + gegl_micro_version, GEGL_REQUIRED_MICRO)) + { + return g_strdup_printf + ("GEGL version too old!\n\n" + "GIMP requires GEGL version %d.%d.%d or later.\n" + "Installed GEGL version is %d.%d.%d.\n\n" + "Somehow you or your software packager managed\n" + "to install GIMP with an older GEGL version.\n\n" + "Please upgrade to GEGL version %d.%d.%d or later.", + GEGL_REQUIRED_MAJOR, GEGL_REQUIRED_MINOR, GEGL_REQUIRED_MICRO, + gegl_major_version, gegl_minor_version, gegl_micro_version, + GEGL_REQUIRED_MAJOR, GEGL_REQUIRED_MINOR, GEGL_REQUIRED_MICRO); + } + +#undef GEGL_REQUIRED_MAJOR +#undef GEGL_REQUIRED_MINOR +#undef GEGL_REQUIRED_MICRO + + return NULL; +} + +static gchar * +sanity_check_filename_encoding (void) +{ + gchar *result; + GError *error = NULL; + + result = g_filename_to_utf8 ("", -1, NULL, NULL, &error); + + if (! result) + { + gchar *msg = + g_strdup_printf + (_("The configured filename encoding cannot be converted to UTF-8: " + "%s\n\n" + "Please check the value of the environment variable " + "G_FILENAME_ENCODING."), + error->message); + + g_error_free (error); + + return msg; + } + + g_free (result); + + result = g_filename_to_utf8 (gimp_directory (), -1, NULL, NULL, &error); + + if (! result) + { + gchar *msg = + g_strdup_printf + (_("The name of the directory holding the GIMP user configuration " + "cannot be converted to UTF-8: " + "%s\n\n" + "Your filesystem probably stores files in an encoding " + "other than UTF-8 and you didn't tell GLib about this. " + "Please set the environment variable G_FILENAME_ENCODING."), + error->message); + + g_error_free (error); + + return msg; + } + + g_free (result); + + return NULL; +} + + +/* late-stage tests */ + +static gchar * +sanity_check_gegl_ops (void) +{ + static const gchar *required_ops[] = + { + "gegl:alien-map", + "gegl:bayer-matrix", + "gegl:bloom", + "gegl:buffer-sink", + "gegl:buffer-source", + "gegl:c2g", + "gegl:cache", + "gegl:cartoon", + "gegl:cell-noise", + "gegl:checkerboard", + "gegl:color", + "gegl:color-enhance", + "gegl:color-exchange", + "gegl:color-rotate", + "gegl:color-temperature", + "gegl:color-to-alpha", + "gegl:component-extract", + "gegl:convolution-matrix", + "gegl:copy-buffer", + "gegl:crop", + "gegl:cubism", + "gegl:deinterlace", + "gegl:difference-of-gaussians", + "gegl:diffraction-patterns", + "gegl:displace", + "gegl:distance-transform", + "gegl:dither", + "gegl:dropshadow", + "gegl:edge", + "gegl:edge-laplace", + "gegl:edge-neon", + "gegl:edge-sobel", + "gegl:emboss", + "gegl:engrave", + "gegl:exposure", + "gegl:fattal02", + "gegl:focus-blur", + "gegl:fractal-trace", + "gegl:gaussian-blur", + "gegl:gaussian-blur-selective", + "gegl:gegl", + "gegl:grid", + "gegl:high-pass", + "gegl:hue-chroma", + "gegl:illusion", + "gegl:image-gradient", + "gegl:introspect", + "gegl:invert-gamma", + "gegl:invert-linear", + "gegl:lens-blur", + "gegl:lens-distortion", + "gegl:lens-flare", + "gegl:linear-sinusoid", + "gegl:long-shadow", + "gegl:mantiuk06", + "gegl:map-absolute", + "gegl:map-relative", + "gegl:matting-global", + "gegl:maze", + "gegl:mean-curvature-blur", + "gegl:median-blur", + "gegl:mirrors", + "gegl:mono-mixer", + "gegl:mosaic", + "gegl:motion-blur-circular", + "gegl:motion-blur-linear", + "gegl:motion-blur-zoom", + "gegl:newsprint", + "gegl:noise-cie-lch", + "gegl:noise-hsv", + "gegl:noise-hurl", + "gegl:noise-pick", + "gegl:noise-rgb", + "gegl:noise-slur", + "gegl:noise-solid", + "gegl:noise-spread", + "gegl:normal-map", + "gegl:npd", + "gegl:oilify", + "gegl:opacity", + "gegl:over", + "gegl:panorama-projection", + "gegl:perlin-noise", + "gegl:photocopy", + "gegl:pixelize", + "gegl:polar-coordinates", + "gegl:recursive-transform", + "gegl:red-eye-removal", + "gegl:reinhard05", + "gegl:rgb-clip", + "gegl:ripple", + "gegl:saturation", + "gegl:scale-ratio", + "gegl:seamless-clone", + "gegl:sepia", + "gegl:shadows-highlights", + "gegl:shift", + "gegl:simplex-noise", + "gegl:shift", + "gegl:sinus", + "gegl:slic", + "gegl:snn-mean", + "gegl:softglow", + "gegl:spherize", + "gegl:spiral", + "gegl:stereographic-projection", + "gegl:stretch-contrast", + "gegl:stretch-contrast-hsv", + "gegl:stress", + "gegl:supernova", + "gegl:threshold", + "gegl:tile", + "gegl:tile-paper", + "gegl:tile-glass", + "gegl:tile-seamless", + "gegl:transform", + "gegl:translate", + "gegl:unsharp-mask", + "gegl:value-invert", + "gegl:value-propagate", + "gegl:variable-blur", + "gegl:video-degradation", + "gegl:vignette", + "gegl:warp", + "gegl:waterpixels", + "gegl:wavelet-blur", + "gegl:waves", + "gegl:whirl-pinch", + "gegl:write-buffer" + }; + + gint i; + + for (i = 0; i < G_N_ELEMENTS (required_ops); i++) + { + if (! gegl_has_operation (required_ops[i])) + { + return g_strdup_printf + ("GEGL operation missing!\n\n" + "GIMP requires the GEGL operation \"%s\".\n" + "This operation cannot be found. Check your\n" + "GEGL install and ensure it has been compiled\n" + "with any dependencies required for GIMP.", + required_ops [i]); + } + } + + return NULL; +} |