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gimp/plug-ins/file-webp/file-webp.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* file-webp - WebP file format plug-in for the GIMP
* Copyright (C) 2015 Nathan Osman
* Copyright (C) 2016 Ben Touchette
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include <webp/encode.h>
#include "file-webp-dialog.h"
#include "file-webp-load.h"
#include "file-webp-save.h"
#include "file-webp.h"
#include "libgimp/stdplugins-intl.h"
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL,
NULL,
query,
run
};
MAIN()
static void
query (void)
{
static const GimpParamDef load_arguments[] =
{
{ GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" },
{ GIMP_PDB_STRING, "filename", "The name of the file to load" },
{ GIMP_PDB_STRING, "raw-filename", "The name entered" }
};
static const GimpParamDef load_return_values[] =
{
{ GIMP_PDB_IMAGE, "image", "Output image" }
};
static const GimpParamDef save_arguments[] =
{
{ GIMP_PDB_INT32, "run-mode", "Interactive, non-interactive" },
{ GIMP_PDB_IMAGE, "image", "Input image" },
{ GIMP_PDB_DRAWABLE, "drawable", "Drawable to save" },
{ GIMP_PDB_STRING, "filename", "The name of the file to save the image to" },
{ GIMP_PDB_STRING, "raw-filename", "The name entered" },
{ GIMP_PDB_INT32, "preset", "preset (Default=0, Picture=1, Photo=2, Drawing=3, Icon=4, Text=5)" },
{ GIMP_PDB_INT32, "lossless", "Use lossless encoding (0/1)" },
{ GIMP_PDB_FLOAT, "quality", "Quality of the image (0 <= quality <= 100)" },
{ GIMP_PDB_FLOAT, "alpha-quality", "Quality of the image's alpha channel (0 <= alpha-quality <= 100)" },
{ GIMP_PDB_INT32, "animation", "Use layers for animation (0/1)" },
{ GIMP_PDB_INT32, "anim-loop", "Loop animation infinitely (0/1)" },
{ GIMP_PDB_INT32, "minimize-size", "Minimize animation size (0/1)" },
{ GIMP_PDB_INT32, "kf-distance", "Maximum distance between key-frames (>=0)" },
{ GIMP_PDB_INT32, "exif", "Toggle saving exif data (0/1)" },
{ GIMP_PDB_INT32, "iptc", "Toggle saving iptc data (0/1)" },
{ GIMP_PDB_INT32, "xmp", "Toggle saving xmp data (0/1)" },
{ GIMP_PDB_INT32, "delay", "Delay to use when timestamps are not available or forced" },
{ GIMP_PDB_INT32, "force-delay", "Force delay on all frames" }
};
gimp_install_procedure (LOAD_PROC,
"Loads images in the WebP file format",
"Loads images in the WebP file format",
"Nathan Osman, Ben Touchette",
"(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette",
"2015,2016",
N_("WebP image"),
NULL,
GIMP_PLUGIN,
G_N_ELEMENTS (load_arguments),
G_N_ELEMENTS (load_return_values),
load_arguments,
load_return_values);
gimp_register_file_handler_mime (LOAD_PROC, "image/webp");
gimp_register_load_handler (LOAD_PROC, "webp", "");
gimp_register_magic_load_handler (LOAD_PROC,
"webp",
"",
"8,string,WEBP");
gimp_install_procedure (SAVE_PROC,
"Saves files in the WebP image format",
"Saves files in the WebP image format",
"Nathan Osman, Ben Touchette",
"(C) 2015-2016 Nathan Osman, (C) 2016 Ben Touchette",
"2015,2016",
N_("WebP image"),
"RGB*, GRAY*, INDEXED*",
GIMP_PLUGIN,
G_N_ELEMENTS (save_arguments),
0,
save_arguments,
NULL);
gimp_register_file_handler_mime (SAVE_PROC, "image/webp");
gimp_register_save_handler (SAVE_PROC, "webp", "");
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[2];
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
gint32 image_ID;
gint32 drawable_ID;
GError *error = NULL;
INIT_I18N ();
gegl_init (NULL, NULL);
run_mode = param[0].data.d_int32;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
if (! strcmp (name, LOAD_PROC))
{
image_ID = load_image (param[1].data.d_string, FALSE, &error);
if (image_ID != -1)
{
/* Return the new image that was loaded */
*nreturn_vals = 2;
values[1].type = GIMP_PDB_IMAGE;
values[1].data.d_image = image_ID;
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
}
else if (! strcmp (name, SAVE_PROC))
{
WebPSaveParams params;
GimpExportReturn export = GIMP_EXPORT_CANCEL;
gint32 *layers = NULL;
gint32 n_layers;
if (run_mode == GIMP_RUN_INTERACTIVE ||
run_mode == GIMP_RUN_WITH_LAST_VALS)
gimp_ui_init (PLUG_IN_BINARY, FALSE);
image_ID = param[1].data.d_int32;
drawable_ID = param[2].data.d_int32;
switch (run_mode)
{
case GIMP_RUN_WITH_LAST_VALS:
case GIMP_RUN_INTERACTIVE:
/* Default settings */
params.preset = WEBP_PRESET_DEFAULT;
params.lossless = FALSE;
params.animation = FALSE;
params.loop = TRUE;
params.minimize_size = TRUE;
params.kf_distance = 50;
params.quality = 90.0f;
params.alpha_quality = 100.0f;
params.exif = TRUE;
params.iptc = TRUE;
params.xmp = TRUE;
params.delay = 200;
params.force_delay = FALSE;
/* Possibly override with session data */
gimp_get_data (SAVE_PROC, &params);
export = gimp_export_image (&image_ID, &drawable_ID, "WebP",
GIMP_EXPORT_CAN_HANDLE_RGB |
GIMP_EXPORT_CAN_HANDLE_GRAY |
GIMP_EXPORT_CAN_HANDLE_INDEXED |
GIMP_EXPORT_CAN_HANDLE_ALPHA |
GIMP_EXPORT_CAN_HANDLE_LAYERS_AS_ANIMATION);
if (export == GIMP_EXPORT_CANCEL)
{
values[0].data.d_status = GIMP_PDB_CANCEL;
status = GIMP_PDB_CANCEL;
}
break;
case GIMP_RUN_NONINTERACTIVE:
if (nparams != 18)
{
status = GIMP_PDB_CALLING_ERROR;
}
else
{
if (param[5].data.d_int32 < WEBP_PRESET_DEFAULT ||
param[5].data.d_int32 > WEBP_PRESET_TEXT)
params.preset = WEBP_PRESET_DEFAULT;
else
params.preset = param[5].data.d_int32;
params.lossless = param[6].data.d_int32;
params.quality = param[7].data.d_float;
params.alpha_quality = param[8].data.d_float;
params.animation = param[9].data.d_int32;
params.loop = param[10].data.d_int32;
params.minimize_size = param[11].data.d_int32;
params.kf_distance = param[12].data.d_int32;
params.exif = param[13].data.d_int32;
params.iptc = param[14].data.d_int32;
params.xmp = param[15].data.d_int32;
params.delay = param[16].data.d_int32;
params.force_delay = param[17].data.d_int32;
}
break;
default:
break;
}
if (status == GIMP_PDB_SUCCESS)
{
layers = gimp_image_get_layers (image_ID, &n_layers);
if (run_mode == GIMP_RUN_INTERACTIVE)
{
if (! save_dialog (&params, image_ID, n_layers))
{
status = GIMP_PDB_CANCEL;
}
}
}
if (status == GIMP_PDB_SUCCESS)
{
if (! save_image (param[3].data.d_string,
n_layers, layers,
image_ID,
drawable_ID,
&params,
&error))
{
status = GIMP_PDB_EXECUTION_ERROR;
}
}
g_free (layers);
if (export == GIMP_EXPORT_EXPORT)
gimp_image_delete (image_ID);
if (status == GIMP_PDB_SUCCESS)
{
/* save parameters for later */
gimp_set_data (SAVE_PROC, &params, sizeof (params));
}
}
/* If an error was supplied, include it in the return values */
if (status != GIMP_PDB_SUCCESS && error)
{
*nreturn_vals = 2;
values[1].type = GIMP_PDB_STRING;
values[1].data.d_string = error->message;
}
values[0].data.d_status = status;
}
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