mirror of https://github.com/GNOME/gimp.git
381 lines
13 KiB
C
381 lines
13 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* file-webp - WebP file format plug-in for the GIMP
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* Copyright (C) 2015 Nathan Osman
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* Copyright (C) 2016 Ben Touchette
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <libgimp/gimp.h>
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#include <libgimp/gimpui.h>
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#include <webp/encode.h>
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#include "file-webp-dialog.h"
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#include "file-webp-load.h"
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#include "file-webp-save.h"
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#include "file-webp.h"
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#include "libgimp/stdplugins-intl.h"
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typedef struct _Webp Webp;
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typedef struct _WebpClass WebpClass;
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struct _Webp
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{
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GimpPlugIn parent_instance;
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};
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struct _WebpClass
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{
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GimpPlugInClass parent_class;
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};
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#define WEBP_TYPE (webp_get_type ())
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#define WEBP (obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), WEBP_TYPE, Webp))
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GType webp_get_type (void) G_GNUC_CONST;
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static GList * webp_query_procedures (GimpPlugIn *plug_in);
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static GimpProcedure * webp_create_procedure (GimpPlugIn *plug_in,
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const gchar *name);
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static GimpValueArray * webp_load (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GFile *file,
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const GimpValueArray *args,
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gpointer run_data);
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static GimpValueArray * webp_save (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GimpImage *image,
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GimpDrawable *drawable,
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GFile *file,
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const GimpValueArray *args,
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gpointer run_data);
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G_DEFINE_TYPE (Webp, webp, GIMP_TYPE_PLUG_IN)
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GIMP_MAIN (WEBP_TYPE)
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static void
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webp_class_init (WebpClass *klass)
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{
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GimpPlugInClass *plug_in_class = GIMP_PLUG_IN_CLASS (klass);
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plug_in_class->query_procedures = webp_query_procedures;
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plug_in_class->create_procedure = webp_create_procedure;
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}
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static void
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webp_init (Webp *webp)
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{
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}
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static GList *
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webp_query_procedures (GimpPlugIn *plug_in)
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{
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GList *list = NULL;
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list = g_list_append (list, g_strdup (LOAD_PROC));
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list = g_list_append (list, g_strdup (SAVE_PROC));
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return list;
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}
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static GimpProcedure *
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webp_create_procedure (GimpPlugIn *plug_in,
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const gchar *name)
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{
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GimpProcedure *procedure = NULL;
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if (! strcmp (name, LOAD_PROC))
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{
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procedure = gimp_load_procedure_new (plug_in, name,
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GIMP_PDB_PROC_TYPE_PLUGIN,
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webp_load, NULL, NULL);
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gimp_procedure_set_menu_label (procedure, N_("WebP image"));
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gimp_procedure_set_documentation (procedure,
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"Loads images in the WebP file format",
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"Loads images in the WebP file format",
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name);
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gimp_procedure_set_attribution (procedure,
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"Nathan Osman, Ben Touchette",
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"(C) 2015-2016 Nathan Osman, "
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"(C) 2016 Ben Touchette",
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"2015,2016");
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gimp_file_procedure_set_mime_types (GIMP_FILE_PROCEDURE (procedure),
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"image/webp");
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gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
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"webp");
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gimp_file_procedure_set_magics (GIMP_FILE_PROCEDURE (procedure),
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"8,string,WEBP");
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}
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else if (! strcmp (name, SAVE_PROC))
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{
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procedure = gimp_save_procedure_new (plug_in, name,
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GIMP_PDB_PROC_TYPE_PLUGIN,
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webp_save, NULL, NULL);
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gimp_procedure_set_image_types (procedure, "*");
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gimp_procedure_set_menu_label (procedure, N_("WebP image"));
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gimp_procedure_set_documentation (procedure,
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"Saves files in the WebP image format",
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"Saves files in the WebP image format",
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name);
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gimp_procedure_set_attribution (procedure,
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"Nathan Osman, Ben Touchette",
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"(C) 2015-2016 Nathan Osman, "
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"(C) 2016 Ben Touchette",
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"2015,2016");
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gimp_file_procedure_set_mime_types (GIMP_FILE_PROCEDURE (procedure),
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"image/webp");
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gimp_file_procedure_set_extensions (GIMP_FILE_PROCEDURE (procedure),
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"webp");
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GIMP_PROC_ARG_INT (procedure, "preset",
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"Preset",
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"Preset (Default=0, Picture=1, Photo=2, Drawing=3, "
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"Icon=4, Text=5)",
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0, 5, WEBP_PRESET_DEFAULT,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "lossless",
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"Lossless",
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"Use lossless encoding",
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FALSE,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_DOUBLE (procedure, "quality",
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"Quality",
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"Quality of the image",
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0, 100, 90,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_DOUBLE (procedure, "alpha-quality",
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"Alpha quality",
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"Quality of the image's alpha channel",
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0, 100, 100,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "animation",
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"Animation",
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"Use layers for animation",
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FALSE,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "animation-loop",
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"Animation loop",
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"Loop animation infinitely",
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TRUE,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "minimize-size",
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"Minimize size",
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"Minimize animation size",
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TRUE,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_INT (procedure, "keyframe-distance",
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"Keyframe distance",
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"Maximum distance between keyframes",
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0, G_MAXINT, 50,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "save-exif",
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"Save Exif",
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"Toggle saving Exif data",
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gimp_export_exif (),
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "save-iptc",
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"Save IPTC",
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"Toggle saving IPTC data",
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gimp_export_iptc (),
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "save-xmp",
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"Save XMP",
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"Toggle saving XMP data",
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gimp_export_xmp (),
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "save-color-profile",
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"Save color profle",
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"Toggle saving the color profile",
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gimp_export_color_profile (),
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_INT (procedure, "default-delay",
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"Default delay",
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"Delay to use when timestamps are not available "
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"or forced",
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0, G_MAXINT, 200,
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G_PARAM_READWRITE);
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GIMP_PROC_ARG_BOOLEAN (procedure, "force-delay",
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"Force delay",
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"Force delay on all frames",
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FALSE,
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G_PARAM_READWRITE);
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}
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return procedure;
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}
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static GimpValueArray *
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webp_load (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GFile *file,
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const GimpValueArray *args,
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gpointer run_data)
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{
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GimpValueArray *return_vals;
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GimpImage *image;
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GError *error = NULL;
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INIT_I18N ();
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gegl_init (NULL, NULL);
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image = load_image (file, FALSE, &error);
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if (! image)
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return gimp_procedure_new_return_values (procedure,
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GIMP_PDB_EXECUTION_ERROR,
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error);
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return_vals = gimp_procedure_new_return_values (procedure,
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GIMP_PDB_SUCCESS,
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NULL);
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GIMP_VALUES_SET_IMAGE (return_vals, 1, image);
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return return_vals;
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}
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static GimpValueArray *
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webp_save (GimpProcedure *procedure,
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GimpRunMode run_mode,
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GimpImage *image,
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GimpDrawable *drawable,
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GFile *file,
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const GimpValueArray *args,
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gpointer run_data)
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{
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GimpProcedureConfig *config;
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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GimpExportReturn export = GIMP_EXPORT_CANCEL;
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GimpMetadata *metadata;
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gboolean animation;
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GError *error = NULL;
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INIT_I18N ();
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gegl_init (NULL, NULL);
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config = gimp_procedure_create_config (procedure);
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metadata = gimp_procedure_config_begin_export (config, image, run_mode,
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args, "image/webp");
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if (run_mode == GIMP_RUN_INTERACTIVE ||
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run_mode == GIMP_RUN_WITH_LAST_VALS)
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gimp_ui_init (PLUG_IN_BINARY);
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if (run_mode == GIMP_RUN_INTERACTIVE)
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{
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if (! save_dialog (image, procedure, G_OBJECT (config)))
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return gimp_procedure_new_return_values (procedure,
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GIMP_PDB_CANCEL,
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NULL);
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}
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g_object_get (config,
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"animation", &animation,
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NULL);
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if (run_mode == GIMP_RUN_INTERACTIVE ||
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run_mode == GIMP_RUN_WITH_LAST_VALS)
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{
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GimpExportCapabilities capabilities = (GIMP_EXPORT_CAN_HANDLE_RGB |
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GIMP_EXPORT_CAN_HANDLE_GRAY |
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GIMP_EXPORT_CAN_HANDLE_INDEXED |
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GIMP_EXPORT_CAN_HANDLE_ALPHA);
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if (animation)
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capabilities |= GIMP_EXPORT_CAN_HANDLE_LAYERS_AS_ANIMATION;
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export = gimp_export_image (&image, &drawable, "WebP",
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capabilities);
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if (export == GIMP_EXPORT_CANCEL)
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return gimp_procedure_new_return_values (procedure,
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GIMP_PDB_CANCEL,
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NULL);
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}
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if (animation)
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{
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if (! save_animation (file, image, drawable, G_OBJECT (config),
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&error))
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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else
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{
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if (! save_layer (file, image, drawable, G_OBJECT (config),
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&error))
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{
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status = GIMP_PDB_EXECUTION_ERROR;
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}
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}
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if (status == GIMP_PDB_SUCCESS && metadata)
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{
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gboolean save_xmp;
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/* WebP doesn't support iptc natively and sets it via xmp */
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g_object_get (config,
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"save-xmp", &save_xmp,
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NULL);
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g_object_set (config,
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"save-iptc", save_xmp,
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NULL);
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gimp_metadata_set_bits_per_sample (metadata, 8);
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}
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gimp_procedure_config_end_export (config, image, file, status);
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g_object_unref (config);
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if (export == GIMP_EXPORT_EXPORT)
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gimp_image_delete (image);
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return gimp_procedure_new_return_values (procedure, status, error);
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}
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