mirror of https://github.com/GNOME/gimp.git
278 lines
9.2 KiB
C
278 lines
9.2 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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const char BINARY_NAME[] = "file-webp";
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const char LOAD_PROCEDURE[] = "file-webp-load";
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const char SAVE_PROCEDURE[] = "file-webp-save";
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/* Predeclare our entrypoints. */
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static void query (void);
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static void run (const gchar *,
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gint,
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const GimpParam *,
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gint *,
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GimpParam **);
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/* Declare our plugin entry points. */
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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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/* This function registers our load and save handlers. */
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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_STRING, "preset", "Name of preset to use" },
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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, "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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};
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gimp_install_procedure (LOAD_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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"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_PROCEDURE, "image/webp");
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gimp_register_load_handler (LOAD_PROCEDURE, "webp", "");
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gimp_register_magic_load_handler (LOAD_PROCEDURE,
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"webp",
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"",
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"8,string,WEBP");
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gimp_install_procedure (SAVE_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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"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*",
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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_PROCEDURE, "image/webp");
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gimp_register_save_handler (SAVE_PROCEDURE, "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_PROCEDURE))
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{
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/* No need to determine whether the plugin is being invoked
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* interactively here since we don't need a UI for loading
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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_PROCEDURE))
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{
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WebPSaveParams params;
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GimpExportReturn export_ret = GIMP_EXPORT_CANCEL;
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gint32 *layers;
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gint32 n_layers;
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/* Initialize the parameters to their defaults */
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params.preset = g_strdup ("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.quality = 90.0f;
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params.alpha_quality = 100.0f;
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params.exif = TRUE;
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params.iptc = TRUE;
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params.xmp = TRUE;
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/* Load the image and drawable IDs */
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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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layers = gimp_image_get_layers (image_ID, &n_layers);
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/* What happens next depends on the run mode */
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switch (run_mode)
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{
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case GIMP_RUN_INTERACTIVE:
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case GIMP_RUN_WITH_LAST_VALS:
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gimp_ui_init (BINARY_NAME, FALSE);
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/* Attempt to export the image */
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export_ret = gimp_export_image (&image_ID, &drawable_ID,
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"WebP",
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GIMP_EXPORT_CAN_HANDLE_RGB |
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GIMP_EXPORT_CAN_HANDLE_ALPHA);
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/* Return immediately if canceled */
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if (export_ret == GIMP_EXPORT_CANCEL)
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{
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values[0].data.d_status = GIMP_PDB_CANCEL;
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return;
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}
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/* Display the dialog */
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if (! save_dialog (¶ms, image_ID, n_layers))
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{
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values[0].data.d_status = GIMP_PDB_CANCEL;
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return;
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}
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break;
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case GIMP_RUN_NONINTERACTIVE:
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/* Ensure the correct number of parameters were supplied */
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if (nparams != 10)
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{
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status = GIMP_PDB_CALLING_ERROR;
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break;
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}
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/* Load the parameters */
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g_free (params.preset);
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params.preset = g_strdup (param[5].data.d_string);
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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.exif = param[11].data.d_int32;
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params.iptc = param[12].data.d_int32;
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params.xmp = param[13].data.d_int32;
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break;
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}
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/* Attempt to save the image */
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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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¶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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g_free (params.preset);
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g_free (layers);
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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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