mirror of https://github.com/GNOME/gimp.git
105 lines
3.1 KiB
C
105 lines
3.1 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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* gimp-apply-operation.c
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* Copyright (C) 2012 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 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 <gegl.h>
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#include "core-types.h"
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#include "gimp-utils.h"
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#include "gimp-apply-operation.h"
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#include "gimpprogress.h"
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void
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gimp_apply_operation (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglNode *operation,
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GeglBuffer *dest_buffer,
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const GeglRectangle *dest_rect)
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{
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GeglNode *gegl;
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GeglNode *src_node;
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GeglNode *dest_node;
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GeglProcessor *processor;
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GeglRectangle rect = { 0, };
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gdouble value;
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g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
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g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
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g_return_if_fail (GEGL_IS_NODE (operation));
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g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
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if (dest_rect)
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{
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rect = *dest_rect;
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}
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else
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{
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rect = *GEGL_RECTANGLE (0, 0, gegl_buffer_get_width (dest_buffer),
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gegl_buffer_get_height (dest_buffer));
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}
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gegl = gegl_node_new ();
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src_node = gegl_node_new_child (gegl,
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"operation", "gegl:buffer-source",
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"buffer", src_buffer,
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NULL);
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dest_node = gegl_node_new_child (gegl,
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"operation", "gegl:write-buffer",
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"buffer", dest_buffer,
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NULL);
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gegl_node_add_child (gegl, operation);
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gegl_node_link_many (src_node, operation, dest_node, NULL);
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processor = gegl_node_new_processor (dest_node, &rect);
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if (progress)
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{
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if (gimp_progress_is_active (progress))
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{
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if (undo_desc)
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gimp_progress_set_text (progress, undo_desc);
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}
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else
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{
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gimp_progress_start (progress, undo_desc, FALSE);
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}
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}
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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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g_object_unref (gegl);
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if (progress)
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gimp_progress_end (progress);
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}
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