2012-03-16 22:14:35 +08:00
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/* 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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2012-10-22 22:03:40 +08:00
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#include "gimp-gegl-types.h"
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2012-03-16 22:14:35 +08:00
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2012-10-22 22:03:40 +08:00
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#include "core/gimp-utils.h"
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#include "core/gimpprogress.h"
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#include "gimp-gegl-apply-operation.h"
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2012-11-01 06:47:45 +08:00
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#include "gimp-gegl-nodes.h"
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#include "gegl/gimp-gegl-utils.h"
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2012-03-16 22:14:35 +08:00
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void
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2012-10-22 22:03:40 +08:00
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gimp_gegl_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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2012-03-16 22:14:35 +08:00
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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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GeglRectangle rect = { 0, };
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gdouble value;
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2012-10-13 02:09:47 +08:00
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gboolean progress_active = FALSE;
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2012-03-16 22:14:35 +08:00
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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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2012-04-02 21:19:47 +08:00
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rect = *GEGL_RECTANGLE (0, 0, gegl_buffer_get_width (dest_buffer),
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2012-03-21 10:57:53 +08:00
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gegl_buffer_get_height (dest_buffer));
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2012-03-16 22:14:35 +08:00
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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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if (progress)
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2012-03-20 06:57:50 +08:00
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{
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2013-03-03 01:30:22 +08:00
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GeglProcessor *processor;
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processor = gegl_node_new_processor (dest_node, &rect);
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2012-10-13 02:09:47 +08:00
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progress_active = gimp_progress_is_active (progress);
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if (progress_active)
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2012-03-20 06:57:50 +08:00
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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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2012-03-16 22:14:35 +08:00
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2013-03-03 01:30:22 +08:00
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while (gegl_processor_work (processor, &value))
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gimp_progress_set_value (progress, value);
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2012-03-16 22:14:35 +08:00
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2013-03-03 01:30:22 +08:00
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g_object_unref (processor);
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}
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else
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{
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gegl_node_blit (dest_node, 1.0, &rect,
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NULL, NULL, 0, GEGL_BLIT_DEFAULT);
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}
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2012-03-16 22:14:35 +08:00
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g_object_unref (gegl);
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2012-10-13 02:09:47 +08:00
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if (progress && ! progress_active)
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2012-03-16 22:14:35 +08:00
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gimp_progress_end (progress);
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}
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2012-11-01 06:47:45 +08:00
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void
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gimp_gegl_apply_color_reduction (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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gint bits,
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gint dither_type)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gegl:color-reduction",
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"red-bits", bits,
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"green-bits", bits,
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"blue-bits", bits,
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"alpha-bits", bits,
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"dither-strategy", dither_type,
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NULL);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_flatten (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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const GimpRGB *background)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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g_return_if_fail (background != NULL);
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node = gimp_gegl_create_flatten_node (background);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_gaussian_blur (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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gdouble std_dev_x,
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gdouble std_dev_y)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gegl:gaussian-blur",
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"std-dev-x", std_dev_x,
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"std-dev-y", std_dev_y,
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NULL);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_invert (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gegl:invert",
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NULL);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_opacity (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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GeglBuffer *mask,
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gint mask_offset_x,
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gint mask_offset_y,
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gdouble opacity)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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g_return_if_fail (mask == NULL || GEGL_IS_BUFFER (mask));
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node = gimp_gegl_create_apply_opacity_node (mask,
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mask_offset_x,
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mask_offset_y,
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opacity);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_scale (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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GimpInterpolationType interpolation_type,
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gdouble x,
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gdouble y)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gegl:scale",
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"origin-x", 0.0,
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"origin-y", 0.0,
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"filter", gimp_interpolation_to_gegl_filter (interpolation_type),
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"hard-edges", TRUE,
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"x", x,
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"y", y,
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NULL);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_set_alpha (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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gdouble value)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gimp:set-alpha",
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"value", value,
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NULL);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_threshold (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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gdouble value)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gegl:threshold",
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"value", value,
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NULL);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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void
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gimp_gegl_apply_transform (GeglBuffer *src_buffer,
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GimpProgress *progress,
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const gchar *undo_desc,
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GeglBuffer *dest_buffer,
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GimpInterpolationType interpolation_type,
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GimpMatrix3 *transform)
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{
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GeglNode *node;
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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_BUFFER (dest_buffer));
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node = gegl_node_new_child (NULL,
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"operation", "gegl:transform",
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"filter", gimp_interpolation_to_gegl_filter (interpolation_type),
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"hard-edges", TRUE,
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NULL);
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gimp_gegl_node_set_matrix (node, transform);
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gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
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node, dest_buffer, NULL);
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g_object_unref (node);
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}
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