393 lines
14 KiB
C
393 lines
14 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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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 PIKA
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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 <libpika/pika.h>
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#include <libpika/pikaui.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 "libpika/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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PikaPlugIn parent_instance;
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};
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struct _WebpClass
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{
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PikaPlugInClass 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 (PikaPlugIn *plug_in);
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static PikaProcedure * webp_create_procedure (PikaPlugIn *plug_in,
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const gchar *name);
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static PikaValueArray * webp_load (PikaProcedure *procedure,
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PikaRunMode run_mode,
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GFile *file,
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const PikaValueArray *args,
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gpointer run_data);
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static PikaValueArray * webp_save (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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GFile *file,
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const PikaValueArray *args,
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gpointer run_data);
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G_DEFINE_TYPE (Webp, webp, PIKA_TYPE_PLUG_IN)
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PIKA_MAIN (WEBP_TYPE)
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DEFINE_STD_SET_I18N
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static void
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webp_class_init (WebpClass *klass)
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{
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PikaPlugInClass *plug_in_class = PIKA_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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plug_in_class->set_i18n = STD_SET_I18N;
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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 (PikaPlugIn *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 PikaProcedure *
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webp_create_procedure (PikaPlugIn *plug_in,
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const gchar *name)
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{
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PikaProcedure *procedure = NULL;
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if (! strcmp (name, LOAD_PROC))
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{
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procedure = pika_load_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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webp_load, NULL, NULL);
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pika_procedure_set_menu_label (procedure, _("WebP image"));
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pika_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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pika_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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pika_file_procedure_set_mime_types (PIKA_FILE_PROCEDURE (procedure),
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"image/webp");
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pika_file_procedure_set_extensions (PIKA_FILE_PROCEDURE (procedure),
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"webp");
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pika_file_procedure_set_magics (PIKA_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 = pika_save_procedure_new (plug_in, name,
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PIKA_PDB_PROC_TYPE_PLUGIN,
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webp_save, NULL, NULL);
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pika_procedure_set_image_types (procedure, "*");
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pika_procedure_set_menu_label (procedure, _("WebP image"));
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pika_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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pika_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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pika_file_procedure_set_format_name (PIKA_FILE_PROCEDURE (procedure),
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_("WebP"));
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pika_file_procedure_set_mime_types (PIKA_FILE_PROCEDURE (procedure),
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"image/webp");
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pika_file_procedure_set_extensions (PIKA_FILE_PROCEDURE (procedure),
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"webp");
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PIKA_PROC_ARG_INT (procedure, "preset",
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_("Source _type"),
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_("WebP encoder 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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PIKA_PROC_ARG_BOOLEAN (procedure, "lossless",
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_("L_ossless"),
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_("Use lossless encoding"),
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FALSE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_DOUBLE (procedure, "quality",
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_("Image _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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PIKA_PROC_ARG_DOUBLE (procedure, "alpha-quality",
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_("Alpha q_uality"),
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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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PIKA_PROC_ARG_BOOLEAN (procedure, "use-sharp-yuv",
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_("Use Sharp YU_V"),
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/* TRANSLATORS: \xe2\x86\x92 is a Unicode
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* "Rightward Arrow" in UTF-8 encoding.
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*/
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_("Use sharper (but slower) RGB\xe2\x86\x92YUV conversion"),
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FALSE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_BOOLEAN (procedure, "animation-loop",
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_("Loop _forever"),
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_("Loop animation infinitely"),
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_BOOLEAN (procedure, "minimize-size",
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_("_Minimize output size (slower)"),
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_("Minimize output file size"),
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TRUE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_INT (procedure, "keyframe-distance",
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_("Max distance between _key-frames"),
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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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PIKA_PROC_ARG_INT (procedure, "default-delay",
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_("_Default delay between frames"),
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_("Default delay (in milliseconds) to use when timestamps"
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" for frames are not available or forced."),
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0, G_MAXINT, 200,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_BOOLEAN (procedure, "force-delay",
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_("Use default dela_y for all frames"),
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_("Force default delay on all frames"),
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FALSE,
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G_PARAM_READWRITE);
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PIKA_PROC_ARG_BOOLEAN (procedure, "animation",
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_("Save a_nimation"),
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_("Use layers for animation"),
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FALSE,
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G_PARAM_READWRITE);
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pika_save_procedure_set_support_exif (PIKA_SAVE_PROCEDURE (procedure), TRUE);
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pika_save_procedure_set_support_iptc (PIKA_SAVE_PROCEDURE (procedure), TRUE);
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pika_save_procedure_set_support_xmp (PIKA_SAVE_PROCEDURE (procedure), TRUE);
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pika_save_procedure_set_support_profile (PIKA_SAVE_PROCEDURE (procedure), TRUE);
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pika_save_procedure_set_support_thumbnail (PIKA_SAVE_PROCEDURE (procedure), TRUE);
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}
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return procedure;
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}
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static PikaValueArray *
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webp_load (PikaProcedure *procedure,
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PikaRunMode run_mode,
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GFile *file,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaValueArray *return_vals;
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PikaImage *image;
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GError *error = NULL;
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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 pika_procedure_new_return_values (procedure,
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PIKA_PDB_EXECUTION_ERROR,
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error);
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return_vals = pika_procedure_new_return_values (procedure,
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PIKA_PDB_SUCCESS,
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NULL);
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PIKA_VALUES_SET_IMAGE (return_vals, 1, image);
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return return_vals;
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}
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static PikaValueArray *
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webp_save (PikaProcedure *procedure,
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PikaRunMode run_mode,
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PikaImage *image,
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gint n_drawables,
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PikaDrawable **drawables,
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GFile *file,
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const PikaValueArray *args,
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gpointer run_data)
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{
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PikaProcedureConfig *config;
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PikaPDBStatusType status = PIKA_PDB_SUCCESS;
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PikaExportReturn export = PIKA_EXPORT_CANCEL;
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PikaMetadata *metadata;
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gboolean animation;
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GError *error = NULL;
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gegl_init (NULL, NULL);
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config = pika_procedure_create_config (procedure);
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metadata = pika_procedure_config_begin_export (config, image, run_mode,
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args, "image/webp");
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if (run_mode == PIKA_RUN_INTERACTIVE ||
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run_mode == PIKA_RUN_WITH_LAST_VALS)
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pika_ui_init (PLUG_IN_BINARY);
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if (run_mode == PIKA_RUN_INTERACTIVE)
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{
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if (! save_dialog (image, procedure, G_OBJECT (config)))
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return pika_procedure_new_return_values (procedure,
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PIKA_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 == PIKA_RUN_INTERACTIVE ||
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run_mode == PIKA_RUN_WITH_LAST_VALS)
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{
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PikaExportCapabilities capabilities = (PIKA_EXPORT_CAN_HANDLE_RGB |
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PIKA_EXPORT_CAN_HANDLE_GRAY |
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PIKA_EXPORT_CAN_HANDLE_INDEXED |
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PIKA_EXPORT_CAN_HANDLE_ALPHA);
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if (animation)
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capabilities |= PIKA_EXPORT_CAN_HANDLE_LAYERS_AS_ANIMATION;
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export = pika_export_image (&image, &n_drawables, &drawables, "WebP",
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capabilities);
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if (export == PIKA_EXPORT_CANCEL)
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return pika_procedure_new_return_values (procedure,
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PIKA_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, n_drawables, drawables, G_OBJECT (config),
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&error))
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{
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status = PIKA_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 (n_drawables != 1)
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{
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g_set_error (&error, G_FILE_ERROR, 0,
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_("The WebP plug-in cannot export multiple layer, except in animation mode."));
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return pika_procedure_new_return_values (procedure,
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PIKA_PDB_CALLING_ERROR,
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error);
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}
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if (! save_layer (file, image, drawables[0], G_OBJECT (config),
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&error))
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{
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status = PIKA_PDB_EXECUTION_ERROR;
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}
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}
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if (status == PIKA_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);
|
||
|
|
|
||
|
|
pika_metadata_set_bits_per_sample (metadata, 8);
|
||
|
|
}
|
||
|
|
|
||
|
|
pika_procedure_config_end_export (config, image, file, status);
|
||
|
|
g_object_unref (config);
|
||
|
|
|
||
|
|
if (export == PIKA_EXPORT_EXPORT)
|
||
|
|
{
|
||
|
|
pika_image_delete (image);
|
||
|
|
g_free (drawables);
|
||
|
|
}
|
||
|
|
|
||
|
|
return pika_procedure_new_return_values (procedure, status, error);
|
||
|
|
}
|
