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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "paint-types.h"
#include "gegl/gimp-gegl-apply-operation.h"
#include "gegl/gimp-gegl-loops.h"
#include "core/gimp.h"
#include "core/gimpdrawable.h"
#include "core/gimpdynamics.h"
#include "core/gimperror.h"
#include "core/gimpimage.h"
#include "core/gimppattern.h"
#include "core/gimppickable.h"
#include "core/gimpsymmetry.h"
#include "gimpclone.h"
#include "gimpcloneoptions.h"
#include "gimp-intl.h"
static gboolean gimp_clone_start (GimpPaintCore *paint_core,
GList *drawables,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GError **error);
static void gimp_clone_motion (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GeglNode *op,
gdouble opacity,
GimpPickable *src_pickable,
GeglBuffer *src_buffer,
GeglRectangle *src_rect,
gint src_offset_x,
gint src_offset_y,
GeglBuffer *paint_buffer,
gint paint_buffer_x,
gint paint_buffer_y,
gint paint_area_offset_x,
gint paint_area_offset_y,
gint paint_area_width,
gint paint_area_height);
static gboolean gimp_clone_use_source (GimpSourceCore *source_core,
GimpSourceOptions *options);
G_DEFINE_TYPE (GimpClone, gimp_clone, GIMP_TYPE_SOURCE_CORE)
#define parent_class gimp_clone_parent_class
void
gimp_clone_register (Gimp *gimp,
GimpPaintRegisterCallback callback)
{
(* callback) (gimp,
GIMP_TYPE_CLONE,
GIMP_TYPE_CLONE_OPTIONS,
"gimp-clone",
_("Clone"),
"gimp-tool-clone");
}
static void
gimp_clone_class_init (GimpCloneClass *klass)
{
GimpPaintCoreClass *paint_core_class = GIMP_PAINT_CORE_CLASS (klass);
GimpSourceCoreClass *source_core_class = GIMP_SOURCE_CORE_CLASS (klass);
paint_core_class->start = gimp_clone_start;
source_core_class->use_source = gimp_clone_use_source;
source_core_class->motion = gimp_clone_motion;
}
static void
gimp_clone_init (GimpClone *clone)
{
}
static gboolean
gimp_clone_start (GimpPaintCore *paint_core,
GList *drawables,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GError **error)
{
GimpCloneOptions *options = GIMP_CLONE_OPTIONS (paint_options);
if (! GIMP_PAINT_CORE_CLASS (parent_class)->start (paint_core, drawables,
paint_options, coords,
error))
{
return FALSE;
}
if (options->clone_type == GIMP_CLONE_PATTERN)
{
if (! gimp_context_get_pattern (GIMP_CONTEXT (options)))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("No patterns available for use with this tool."));
return FALSE;
}
}
return TRUE;
}
static void
gimp_clone_motion (GimpSourceCore *source_core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GeglNode *op,
gdouble opacity,
GimpPickable *src_pickable,
GeglBuffer *src_buffer,
GeglRectangle *src_rect,
gint src_offset_x,
gint src_offset_y,
GeglBuffer *paint_buffer,
gint paint_buffer_x,
gint paint_buffer_y,
gint paint_area_offset_x,
gint paint_area_offset_y,
gint paint_area_width,
gint paint_area_height)
{
GimpPaintCore *paint_core = GIMP_PAINT_CORE (source_core);
GimpBrushCore *brush_core = GIMP_BRUSH_CORE (source_core);
GimpCloneOptions *options = GIMP_CLONE_OPTIONS (paint_options);
GimpSourceOptions *source_options = GIMP_SOURCE_OPTIONS (paint_options);
GimpContext *context = GIMP_CONTEXT (paint_options);
GimpDynamics *dynamics = brush_core->dynamics;
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
gdouble fade_point;
gdouble force;
if (gimp_source_core_use_source (source_core, source_options))
{
if (! op)
{
gimp_gegl_buffer_copy (src_buffer,
GEGL_RECTANGLE (src_rect->x,
src_rect->y,
paint_area_width,
paint_area_height),
GEGL_ABYSS_NONE,
paint_buffer,
GEGL_RECTANGLE (paint_area_offset_x,
paint_area_offset_y,
0, 0));
}
else
{
gimp_gegl_apply_operation (src_buffer, NULL, NULL, op,
paint_buffer,
GEGL_RECTANGLE (paint_area_offset_x,
paint_area_offset_y,
paint_area_width,
paint_area_height),
FALSE);
}
}
else if (options->clone_type == GIMP_CLONE_PATTERN)
{
GimpPattern *pattern = gimp_context_get_pattern (context);
GeglBuffer *src_buffer = gimp_pattern_create_buffer (pattern);
src_offset_x += gegl_buffer_get_width (src_buffer) / 2;
src_offset_y += gegl_buffer_get_height (src_buffer) / 2;
gegl_buffer_set_pattern (paint_buffer,
GEGL_RECTANGLE (paint_area_offset_x,
paint_area_offset_y,
paint_area_width,
paint_area_height),
src_buffer,
- paint_buffer_x - src_offset_x,
- paint_buffer_y - src_offset_y);
g_object_unref (src_buffer);
}
else
{
g_return_if_reached ();
}
fade_point = gimp_paint_options_get_fade (paint_options, image,
paint_core->pixel_dist);
if (gimp_dynamics_is_output_enabled (dynamics, GIMP_DYNAMICS_OUTPUT_FORCE))
force = gimp_dynamics_get_linear_value (dynamics,
GIMP_DYNAMICS_OUTPUT_FORCE,
coords,
paint_options,
fade_point);
else
force = paint_options->brush_force;
gimp_brush_core_paste_canvas (GIMP_BRUSH_CORE (paint_core), drawable,
coords,
MIN (opacity, GIMP_OPACITY_OPAQUE),
gimp_context_get_opacity (context),
gimp_context_get_paint_mode (context),
gimp_paint_options_get_brush_mode (paint_options),
force,
/* In fixed mode, paint incremental so the
* individual brushes are properly applied
* on top of each other.
* Otherwise the stuff we paint is seamless
* and we don't need intermediate masking.
*/
source_options->align_mode ==
GIMP_SOURCE_ALIGN_FIXED ?
GIMP_PAINT_INCREMENTAL : GIMP_PAINT_CONSTANT);
}
static gboolean
gimp_clone_use_source (GimpSourceCore *source_core,
GimpSourceOptions *options)
{
return GIMP_CLONE_OPTIONS (options)->clone_type == GIMP_CLONE_IMAGE;
}
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