mirror of https://github.com/GNOME/gimp.git
322 lines
11 KiB
C
322 lines
11 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 <http://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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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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const GimpPlugInInfo PLUG_IN_INFO =
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{
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NULL,
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NULL,
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query,
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run
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};
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MAIN()
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static void
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query (void)
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{
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static const GimpParamDef load_arguments[] =
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{
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{ GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
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{ GIMP_PDB_STRING, "raw-filename", "The name entered" }
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};
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static const GimpParamDef load_return_values[] =
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{
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{ GIMP_PDB_IMAGE, "image", "Output image" }
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};
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static const GimpParamDef save_arguments[] =
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{
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{ GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" },
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{ GIMP_PDB_IMAGE, "image", "Input image" },
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{ GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" },
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{ GIMP_PDB_STRING, "filename", "The name of the file to save the image to" },
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{ GIMP_PDB_STRING, "raw-filename", "The name entered" },
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{ GIMP_PDB_INT32, "preset", "preset (Default=0, Picture=1, Photo=2, Drawing=3, Icon=4, Text=5)" },
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{ GIMP_PDB_INT32, "lossless", "Use lossless encoding (0/1)" },
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{ GIMP_PDB_FLOAT, "quality", "Quality of the image (0 <= quality <= 100)" },
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{ GIMP_PDB_FLOAT, "alpha-quality", "Quality of the image's alpha channel (0 <= alpha-quality <= 100)" },
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{ GIMP_PDB_INT32, "animation", "Use layers for animation (0/1)" },
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{ GIMP_PDB_INT32, "anim-loop", "Loop animation infinitely (0/1)" },
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{ GIMP_PDB_INT32, "minimize-size", "Minimize animation size (0/1)" },
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{ GIMP_PDB_INT32, "kf-distance", "Maximum distance between key-frames (>=0)" },
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{ GIMP_PDB_INT32, "exif", "Toggle saving exif data (0/1)" },
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{ GIMP_PDB_INT32, "iptc", "Toggle saving iptc data (0/1)" },
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{ GIMP_PDB_INT32, "xmp", "Toggle saving xmp data (0/1)" },
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{ GIMP_PDB_INT32, "delay", "Delay to use when timestamps are not available or forced" },
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{ GIMP_PDB_INT32, "force-delay", "Force delay on all frames" }
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};
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gimp_install_procedure (LOAD_PROC,
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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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"Nathan Osman, Ben Touchette",
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"(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette",
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"2015,2016",
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N_("WebP image"),
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NULL,
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GIMP_PLUGIN,
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G_N_ELEMENTS (load_arguments),
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G_N_ELEMENTS (load_return_values),
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load_arguments,
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load_return_values);
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gimp_register_file_handler_mime (LOAD_PROC, "image/webp");
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gimp_register_load_handler (LOAD_PROC, "webp", "");
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gimp_register_magic_load_handler (LOAD_PROC,
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"webp",
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"",
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"8,string,WEBP");
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gimp_install_procedure (SAVE_PROC,
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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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"Nathan Osman, Ben Touchette",
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"(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette",
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"2015,2016",
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N_("WebP image"),
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"RGB*, GRAY*, INDEXED*",
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GIMP_PLUGIN,
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G_N_ELEMENTS (save_arguments),
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0,
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save_arguments,
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NULL);
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gimp_register_file_handler_mime (SAVE_PROC, "image/webp");
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gimp_register_save_handler (SAVE_PROC, "webp", "");
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}
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static void
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run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals)
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{
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static GimpParam values[2];
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GimpRunMode run_mode;
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GimpPDBStatusType status = GIMP_PDB_SUCCESS;
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gint32 image_ID;
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gint32 drawable_ID;
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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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run_mode = param[0].data.d_int32;
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*nreturn_vals = 1;
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*return_vals = values;
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values[0].type = GIMP_PDB_STATUS;
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values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
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if (! strcmp (name, LOAD_PROC))
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{
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image_ID = load_image (param[1].data.d_string, FALSE, &error);
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if (image_ID != -1)
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{
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/* Return the new image that was loaded */
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_IMAGE;
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values[1].data.d_image = image_ID;
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}
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else
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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 if (! strcmp (name, SAVE_PROC))
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{
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GimpMetadata *metadata = NULL;
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GimpMetadataSaveFlags metadata_flags;
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WebPSaveParams params;
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GimpExportReturn export = GIMP_EXPORT_CANCEL;
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gint32 *layers = NULL;
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gint32 n_layers;
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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, FALSE);
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image_ID = param[1].data.d_int32;
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drawable_ID = param[2].data.d_int32;
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switch (run_mode)
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{
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case GIMP_RUN_WITH_LAST_VALS:
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case GIMP_RUN_INTERACTIVE:
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/* Default settings */
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params.preset = WEBP_PRESET_DEFAULT;
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params.lossless = FALSE;
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params.animation = FALSE;
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params.loop = TRUE;
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params.minimize_size = TRUE;
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params.kf_distance = 50;
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params.quality = 90.0f;
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params.alpha_quality = 100.0f;
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params.exif = FALSE;
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params.iptc = FALSE;
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params.xmp = FALSE;
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params.delay = 200;
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params.force_delay = FALSE;
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/* Override the defaults with preferences. */
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metadata = gimp_image_metadata_save_prepare (image_ID,
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"image/webp",
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&metadata_flags);
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params.exif = (metadata_flags & GIMP_METADATA_SAVE_EXIF) != 0;
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params.xmp = (metadata_flags & GIMP_METADATA_SAVE_XMP) != 0;
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params.iptc = (metadata_flags & GIMP_METADATA_SAVE_IPTC) != 0;
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/* Possibly override with session data */
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gimp_get_data (SAVE_PROC, ¶ms);
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export = gimp_export_image (&image_ID, &drawable_ID, "WebP",
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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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GIMP_EXPORT_CAN_HANDLE_LAYERS_AS_ANIMATION);
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if (export == GIMP_EXPORT_CANCEL)
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{
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values[0].data.d_status = GIMP_PDB_CANCEL;
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status = GIMP_PDB_CANCEL;
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}
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break;
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case GIMP_RUN_NONINTERACTIVE:
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if (nparams != 18)
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{
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status = GIMP_PDB_CALLING_ERROR;
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}
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else
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{
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if (param[5].data.d_int32 < WEBP_PRESET_DEFAULT ||
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param[5].data.d_int32 > WEBP_PRESET_TEXT)
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params.preset = WEBP_PRESET_DEFAULT;
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else
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params.preset = param[5].data.d_int32;
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params.lossless = param[6].data.d_int32;
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params.quality = param[7].data.d_float;
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params.alpha_quality = param[8].data.d_float;
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params.animation = param[9].data.d_int32;
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params.loop = param[10].data.d_int32;
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params.minimize_size = param[11].data.d_int32;
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params.kf_distance = param[12].data.d_int32;
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params.exif = param[13].data.d_int32;
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params.iptc = param[14].data.d_int32;
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params.xmp = param[15].data.d_int32;
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params.delay = param[16].data.d_int32;
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params.force_delay = param[17].data.d_int32;
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}
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break;
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default:
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break;
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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layers = gimp_image_get_layers (image_ID, &n_layers);
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if (run_mode == GIMP_RUN_INTERACTIVE)
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{
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if (! save_dialog (¶ms, image_ID, n_layers))
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{
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status = GIMP_PDB_CANCEL;
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}
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}
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}
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if (status == GIMP_PDB_SUCCESS)
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{
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if (! save_image (param[3].data.d_string,
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n_layers, layers,
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image_ID,
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drawable_ID,
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metadata, metadata_flags,
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¶ms,
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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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g_free (layers);
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if (export == GIMP_EXPORT_EXPORT)
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gimp_image_delete (image_ID);
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if (metadata)
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g_object_unref (metadata);
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if (status == GIMP_PDB_SUCCESS)
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{
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/* save parameters for later */
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gimp_set_data (SAVE_PROC, ¶ms, sizeof (params));
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}
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}
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/* If an error was supplied, include it in the return values */
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if (status != GIMP_PDB_SUCCESS && error)
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{
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*nreturn_vals = 2;
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values[1].type = GIMP_PDB_STRING;
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values[1].data.d_string = error->message;
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}
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values[0].data.d_status = status;
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}
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