gimp/app/core/gimpdrawable-operation.c

95 lines
3.2 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimpdrawable-operation.c
* Copyright (C) 2007 Øyvind Kolås <pippin@gimp.org>
* Sven Neumann <sven@gimp.org>
* Michael Natterer <mitch@gimp.org>
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gegl.h>
#include "core-types.h"
#include "gimpdrawable.h"
#include "gimpdrawable-operation.h"
#include "gimpprogress.h"
void
gimp_drawable_apply_operation (GimpDrawable *drawable,
GeglNode *operation,
gboolean linear,
GimpProgress *progress,
const gchar *undo_desc)
{
GeglNode *gegl;
GeglNode *input;
GeglNode *output;
GeglProcessor *processor;
GeglRectangle rect;
gdouble value;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (GEGL_IS_NODE (operation));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (undo_desc != NULL);
if (! gimp_drawable_mask_intersect (drawable,
&rect.x, &rect.y,
&rect.width, &rect.height))
return;
gegl = gegl_node_new ();
input = gegl_node_new_child (gegl,
"operation", "gimp-tilemanager-source",
"tile-manager", gimp_drawable_get_tiles (drawable),
"linear", linear,
NULL);
output = gegl_node_new_child (gegl,
"operation", "gimp-tilemanager-sink",
"tile-manager", gimp_drawable_get_shadow_tiles (drawable),
"linear", linear,
NULL);
gegl_node_add_child (gegl, operation);
gegl_node_link_many (input, operation, output, NULL);
processor = gegl_node_new_processor (output, &rect);
if (progress)
gimp_progress_start (progress, undo_desc, FALSE);
while (gegl_processor_work (processor, &value))
if (progress)
gimp_progress_set_value (progress, value);
g_object_unref (processor);
gimp_drawable_merge_shadow (drawable, TRUE, undo_desc);
gimp_drawable_update (drawable, rect.x, rect.y, rect.width, rect.height);
if (progress)
gimp_progress_end (progress);
g_object_unref (gegl);
}