261 lines
10 KiB
C
261 lines
10 KiB
C
/* PIKA - Photo and Image Kooker Application
|
|
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
|
|
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
|
|
*
|
|
* Original copyright, applying to most contents (license remains unchanged):
|
|
* 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 "libpikabase/pikabase.h"
|
|
|
|
#include "paint-types.h"
|
|
|
|
#include "gegl/pika-gegl-apply-operation.h"
|
|
#include "gegl/pika-gegl-loops.h"
|
|
|
|
#include "core/pika.h"
|
|
#include "core/pikadrawable.h"
|
|
#include "core/pikadynamics.h"
|
|
#include "core/pikaerror.h"
|
|
#include "core/pikaimage.h"
|
|
#include "core/pikapattern.h"
|
|
#include "core/pikapickable.h"
|
|
#include "core/pikasymmetry.h"
|
|
|
|
#include "pikaclone.h"
|
|
#include "pikacloneoptions.h"
|
|
|
|
#include "pika-intl.h"
|
|
|
|
|
|
static gboolean pika_clone_start (PikaPaintCore *paint_core,
|
|
GList *drawables,
|
|
PikaPaintOptions *paint_options,
|
|
const PikaCoords *coords,
|
|
GError **error);
|
|
|
|
static void pika_clone_motion (PikaSourceCore *source_core,
|
|
PikaDrawable *drawable,
|
|
PikaPaintOptions *paint_options,
|
|
const PikaCoords *coords,
|
|
GeglNode *op,
|
|
gdouble opacity,
|
|
PikaPickable *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 pika_clone_use_source (PikaSourceCore *source_core,
|
|
PikaSourceOptions *options);
|
|
|
|
|
|
G_DEFINE_TYPE (PikaClone, pika_clone, PIKA_TYPE_SOURCE_CORE)
|
|
|
|
#define parent_class pika_clone_parent_class
|
|
|
|
|
|
void
|
|
pika_clone_register (Pika *pika,
|
|
PikaPaintRegisterCallback callback)
|
|
{
|
|
(* callback) (pika,
|
|
PIKA_TYPE_CLONE,
|
|
PIKA_TYPE_CLONE_OPTIONS,
|
|
"pika-clone",
|
|
_("Clone"),
|
|
"pika-tool-clone");
|
|
}
|
|
|
|
static void
|
|
pika_clone_class_init (PikaCloneClass *klass)
|
|
{
|
|
PikaPaintCoreClass *paint_core_class = PIKA_PAINT_CORE_CLASS (klass);
|
|
PikaSourceCoreClass *source_core_class = PIKA_SOURCE_CORE_CLASS (klass);
|
|
|
|
paint_core_class->start = pika_clone_start;
|
|
|
|
source_core_class->use_source = pika_clone_use_source;
|
|
source_core_class->motion = pika_clone_motion;
|
|
}
|
|
|
|
static void
|
|
pika_clone_init (PikaClone *clone)
|
|
{
|
|
}
|
|
|
|
static gboolean
|
|
pika_clone_start (PikaPaintCore *paint_core,
|
|
GList *drawables,
|
|
PikaPaintOptions *paint_options,
|
|
const PikaCoords *coords,
|
|
GError **error)
|
|
{
|
|
PikaCloneOptions *options = PIKA_CLONE_OPTIONS (paint_options);
|
|
|
|
if (! PIKA_PAINT_CORE_CLASS (parent_class)->start (paint_core, drawables,
|
|
paint_options, coords,
|
|
error))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (options->clone_type == PIKA_CLONE_PATTERN)
|
|
{
|
|
if (! pika_context_get_pattern (PIKA_CONTEXT (options)))
|
|
{
|
|
g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
|
|
_("No patterns available for use with this tool."));
|
|
return FALSE;
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static void
|
|
pika_clone_motion (PikaSourceCore *source_core,
|
|
PikaDrawable *drawable,
|
|
PikaPaintOptions *paint_options,
|
|
const PikaCoords *coords,
|
|
GeglNode *op,
|
|
gdouble opacity,
|
|
PikaPickable *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)
|
|
{
|
|
PikaPaintCore *paint_core = PIKA_PAINT_CORE (source_core);
|
|
PikaBrushCore *brush_core = PIKA_BRUSH_CORE (source_core);
|
|
PikaCloneOptions *options = PIKA_CLONE_OPTIONS (paint_options);
|
|
PikaSourceOptions *source_options = PIKA_SOURCE_OPTIONS (paint_options);
|
|
PikaContext *context = PIKA_CONTEXT (paint_options);
|
|
PikaDynamics *dynamics = brush_core->dynamics;
|
|
PikaImage *image = pika_item_get_image (PIKA_ITEM (drawable));
|
|
gdouble fade_point;
|
|
gdouble force;
|
|
|
|
if (pika_source_core_use_source (source_core, source_options))
|
|
{
|
|
if (! op)
|
|
{
|
|
pika_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
|
|
{
|
|
pika_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 == PIKA_CLONE_PATTERN)
|
|
{
|
|
PikaPattern *pattern = pika_context_get_pattern (context);
|
|
GeglBuffer *src_buffer = pika_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 = pika_paint_options_get_fade (paint_options, image,
|
|
paint_core->pixel_dist);
|
|
|
|
if (pika_dynamics_is_output_enabled (dynamics, PIKA_DYNAMICS_OUTPUT_FORCE))
|
|
force = pika_dynamics_get_linear_value (dynamics,
|
|
PIKA_DYNAMICS_OUTPUT_FORCE,
|
|
coords,
|
|
paint_options,
|
|
fade_point);
|
|
else
|
|
force = paint_options->brush_force;
|
|
|
|
pika_brush_core_paste_canvas (PIKA_BRUSH_CORE (paint_core), drawable,
|
|
coords,
|
|
MIN (opacity, PIKA_OPACITY_OPAQUE),
|
|
pika_context_get_opacity (context),
|
|
pika_context_get_paint_mode (context),
|
|
pika_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 ==
|
|
PIKA_SOURCE_ALIGN_FIXED ?
|
|
PIKA_PAINT_INCREMENTAL : PIKA_PAINT_CONSTANT);
|
|
}
|
|
|
|
static gboolean
|
|
pika_clone_use_source (PikaSourceCore *source_core,
|
|
PikaSourceOptions *options)
|
|
{
|
|
return PIKA_CLONE_OPTIONS (options)->clone_type == PIKA_CLONE_IMAGE;
|
|
}
|
