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gimp/app/gegl/gimp-gegl-apply-operation.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimp-apply-operation.c
* Copyright (C) 2012 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 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 "gimp-gegl-types.h"
#include "core/gimp-utils.h"
#include "core/gimpprogress.h"
#include "gimp-gegl-apply-operation.h"
#include "gimp-gegl-nodes.h"
#include "gegl/gimp-gegl-utils.h"
void
gimp_gegl_apply_operation (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglNode *operation,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect)
{
GeglNode *gegl;
GeglNode *dest_node;
GeglRectangle rect = { 0, };
gdouble value;
gboolean progress_active = FALSE;
g_return_if_fail (src_buffer == NULL || GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_NODE (operation));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
if (dest_rect)
{
rect = *dest_rect;
}
else
{
rect = *GEGL_RECTANGLE (0, 0, gegl_buffer_get_width (dest_buffer),
gegl_buffer_get_height (dest_buffer));
}
gegl = gegl_node_new ();
if (! gegl_node_get_parent (operation))
gegl_node_add_child (gegl, operation);
if (src_buffer && gegl_node_has_pad (operation, "input"))
{
GeglNode *src_node;
/* dup() because reading and writing the same buffer doesn't
* work with area ops when using a processor. See bug #701875.
*/
if (progress && (src_buffer == dest_buffer))
src_buffer = gegl_buffer_dup (src_buffer);
else
g_object_ref (src_buffer);
src_node = gegl_node_new_child (gegl,
"operation", "gegl:buffer-source",
"buffer", src_buffer,
NULL);
g_object_unref (src_buffer);
gegl_node_connect_to (src_node, "output",
operation, "input");
}
dest_node = gegl_node_new_child (gegl,
"operation", "gegl:write-buffer",
"buffer", dest_buffer,
NULL);
gegl_node_connect_to (operation, "output",
dest_node, "input");
if (progress)
{
GeglProcessor *processor;
processor = gegl_node_new_processor (dest_node, &rect);
progress_active = gimp_progress_is_active (progress);
if (progress_active)
{
if (undo_desc)
gimp_progress_set_text (progress, undo_desc);
}
else
{
gimp_progress_start (progress, undo_desc, FALSE);
}
while (gegl_processor_work (processor, &value))
gimp_progress_set_value (progress, value);
g_object_unref (processor);
}
else
{
gegl_node_blit (dest_node, 1.0, &rect,
NULL, NULL, 0, GEGL_BLIT_DEFAULT);
}
g_object_unref (gegl);
if (progress && ! progress_active)
gimp_progress_end (progress);
}
void
gimp_gegl_apply_color_reduction (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
gint bits,
gint dither_type)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:color-reduction",
"red-bits", bits,
"green-bits", bits,
"blue-bits", bits,
"alpha-bits", bits,
"dither-strategy", dither_type,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_flatten (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GimpRGB *background)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
g_return_if_fail (background != NULL);
node = gimp_gegl_create_flatten_node (background);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_feather (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gdouble radius_x,
gdouble radius_y)
{
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
/* 3.5 is completely magic and picked to visually match the old
* gaussian_blur_region() on a crappy laptop display
*/
gimp_gegl_apply_gaussian_blur (src_buffer,
progress, undo_desc,
dest_buffer, dest_rect,
radius_x / 3.5,
radius_y / 3.5);
}
void
gimp_gegl_apply_border (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gint radius_x,
gint radius_y,
gboolean feather,
gboolean edge_lock)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gimp:border",
"radius-x", radius_x,
"radius-y", radius_y,
"feather", feather,
"edge-lock", edge_lock,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, dest_rect);
g_object_unref (node);
}
void
gimp_gegl_apply_grow (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gint radius_x,
gint radius_y)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gimp:grow",
"radius-x", radius_x,
"radius-y", radius_y,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, dest_rect);
g_object_unref (node);
}
void
gimp_gegl_apply_shrink (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gint radius_x,
gint radius_y,
gboolean edge_lock)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gimp:shrink",
"radius-x", radius_x,
"radius-y", radius_y,
"edge-lock", edge_lock,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, dest_rect);
g_object_unref (node);
}
void
gimp_gegl_apply_gaussian_blur (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
gdouble std_dev_x,
gdouble std_dev_y)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:gaussian-blur",
"std-dev-x", std_dev_x,
"std-dev-y", std_dev_y,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, dest_rect);
g_object_unref (node);
}
void
gimp_gegl_apply_invert_gamma (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:invert-gamma",
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_invert_linear (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:invert-linear",
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_opacity (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
GeglBuffer *mask,
gint mask_offset_x,
gint mask_offset_y,
gdouble opacity)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
g_return_if_fail (mask == NULL || GEGL_IS_BUFFER (mask));
node = gimp_gegl_create_apply_opacity_node (mask,
mask_offset_x,
mask_offset_y,
opacity);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_scale (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
GimpInterpolationType interpolation_type,
gdouble x,
gdouble y)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:scale-ratio",
"origin-x", 0.0,
"origin-y", 0.0,
"sampler", interpolation_type,
"x", x,
"y", y,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_set_alpha (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
gdouble value)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gimp:set-alpha",
"value", value,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_threshold (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
gdouble value)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:threshold",
"value", value,
NULL);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
void
gimp_gegl_apply_transform (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglBuffer *dest_buffer,
GimpInterpolationType interpolation_type,
GimpMatrix3 *transform)
{
GeglNode *node;
g_return_if_fail (GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
node = gegl_node_new_child (NULL,
"operation", "gegl:transform",
"sampler", interpolation_type,
NULL);
gimp_gegl_node_set_matrix (node, transform);
gimp_gegl_apply_operation (src_buffer, progress, undo_desc,
node, dest_buffer, NULL);
g_object_unref (node);
}
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