mirror of https://github.com/GNOME/gimp.git
112 lines
3.6 KiB
C
112 lines
3.6 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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* gimpdrawable-operation.c
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* Copyright (C) 2007 Øyvind Kolås <pippin@gimp.org>
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* Sven Neumann <sven@gimp.org>
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* Michael Natterer <mitch@gimp.org>
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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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <gegl.h>
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#include "core-types.h"
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#include "gimpdrawable.h"
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#include "gimpdrawable-operation.h"
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#include "gimpdrawable-shadow.h"
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#include "gimpprogress.h"
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#ifdef __GNUC__
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#warning FIXME: gegl_node_add_child() is not public API
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#endif
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extern GeglNode * gegl_node_add_child (GeglNode *self,
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GeglNode *child);
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void
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gimp_drawable_apply_operation (GimpDrawable *drawable,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglNode *operation,
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gboolean linear)
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{
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GeglNode *gegl;
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GeglNode *input;
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GeglNode *output;
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GeglProcessor *processor;
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GeglRectangle rect;
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gdouble value;
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g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
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g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
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g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
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g_return_if_fail (undo_desc != NULL);
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g_return_if_fail (GEGL_IS_NODE (operation));
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if (! gimp_drawable_mask_intersect (drawable,
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&rect.x, &rect.y,
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&rect.width, &rect.height))
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return;
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gegl = gegl_node_new ();
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/* Disable caching on all children of the node unless explicitly re-enabled.
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*/
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g_object_set (gegl,
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"dont-cache", TRUE,
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NULL);
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input = gegl_node_new_child (gegl,
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"operation", "gimp:tilemanager-source",
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"tile-manager", gimp_drawable_get_tiles (drawable),
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"linear", linear,
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NULL);
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output = gegl_node_new_child (gegl,
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"operation", "gimp:tilemanager-sink",
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"tile-manager", gimp_drawable_get_shadow_tiles (drawable),
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"linear", linear,
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NULL);
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gegl_node_add_child (gegl, operation);
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gegl_node_link_many (input, operation, output, NULL);
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processor = gegl_node_new_processor (output, &rect);
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if (progress)
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gimp_progress_start (progress, undo_desc, FALSE);
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while (gegl_processor_work (processor, &value))
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if (progress)
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gimp_progress_set_value (progress, value);
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g_object_unref (processor);
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gimp_drawable_merge_shadow_tiles (drawable, TRUE, undo_desc);
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gimp_drawable_free_shadow_tiles (drawable);
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gimp_drawable_update (drawable, rect.x, rect.y, rect.width, rect.height);
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if (progress)
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gimp_progress_end (progress);
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g_object_unref (gegl);
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}
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