mirror of https://github.com/GNOME/gimp.git
87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
/* GIMP - The GNU Image Manipulation Program
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
|
*
|
|
* 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 <gegl.h>
|
|
|
|
#include "core-types.h"
|
|
|
|
#include "base/threshold.h"
|
|
|
|
#include "gegl/gimpthresholdconfig.h"
|
|
|
|
/* temp */
|
|
#include "gimp.h"
|
|
#include "gimpimage.h"
|
|
|
|
#include "gimpdrawable.h"
|
|
#include "gimpdrawable-operation.h"
|
|
#include "gimpdrawable-threshold.h"
|
|
#include "gimpdrawable-process.h"
|
|
|
|
#include "gimp-intl.h"
|
|
|
|
|
|
/* public functions */
|
|
|
|
void
|
|
gimp_drawable_threshold (GimpDrawable *drawable,
|
|
GimpProgress *progress,
|
|
gint low,
|
|
gint high)
|
|
{
|
|
GimpThresholdConfig *config;
|
|
|
|
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
|
|
g_return_if_fail (! gimp_drawable_is_indexed (drawable));
|
|
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
|
|
|
|
config = g_object_new (GIMP_TYPE_THRESHOLD_CONFIG,
|
|
"low", low / 255.0,
|
|
"high", high / 255.0,
|
|
NULL);
|
|
|
|
if (gimp_use_gegl (gimp_item_get_image (GIMP_ITEM (drawable))->gimp))
|
|
{
|
|
GeglNode *node;
|
|
|
|
node = g_object_new (GEGL_TYPE_NODE,
|
|
"operation", "gimp:threshold",
|
|
NULL);
|
|
gegl_node_set (node,
|
|
"config", config,
|
|
NULL);
|
|
|
|
gimp_drawable_apply_operation (drawable, progress, _("Threshold"),
|
|
node, TRUE);
|
|
g_object_unref (node);
|
|
}
|
|
else
|
|
{
|
|
Threshold cruft;
|
|
|
|
gimp_threshold_config_to_cruft (config, &cruft,
|
|
gimp_drawable_is_rgb (drawable));
|
|
|
|
gimp_drawable_process (drawable, progress, _("Threshold"),
|
|
(PixelProcessorFunc) threshold, &cruft);
|
|
}
|
|
|
|
g_object_unref (config);
|
|
}
|