gimp/app/core/gimpdrawableundo.c

270 lines
9.5 KiB
C

/* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <gegl.h>
#include "libgimpbase/gimpbase.h"
#include "core-types.h"
#include "base/tile-manager.h"
#include "gimpimage.h"
#include "gimpdrawable.h"
#include "gimpdrawableundo.h"
enum
{
PROP_0,
PROP_TILES,
PROP_SPARSE,
PROP_X,
PROP_Y,
PROP_WIDTH,
PROP_HEIGHT
};
static GObject * gimp_drawable_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params);
static void gimp_drawable_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void gimp_drawable_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static gint64 gimp_drawable_undo_get_memsize (GimpObject *object,
gint64 *gui_size);
static void gimp_drawable_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum);
static void gimp_drawable_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode);
G_DEFINE_TYPE (GimpDrawableUndo, gimp_drawable_undo, GIMP_TYPE_ITEM_UNDO)
#define parent_class gimp_drawable_undo_parent_class
static void
gimp_drawable_undo_class_init (GimpDrawableUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
GimpUndoClass *undo_class = GIMP_UNDO_CLASS (klass);
object_class->constructor = gimp_drawable_undo_constructor;
object_class->set_property = gimp_drawable_undo_set_property;
object_class->get_property = gimp_drawable_undo_get_property;
gimp_object_class->get_memsize = gimp_drawable_undo_get_memsize;
undo_class->pop = gimp_drawable_undo_pop;
undo_class->free = gimp_drawable_undo_free;
g_object_class_install_property (object_class, PROP_TILES,
g_param_spec_pointer ("tiles", NULL, NULL,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_SPARSE,
g_param_spec_boolean ("sparse", NULL, NULL,
FALSE,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_X,
g_param_spec_int ("x", NULL, NULL,
0, GIMP_MAX_IMAGE_SIZE, 0,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_Y,
g_param_spec_int ("y", NULL, NULL,
0, GIMP_MAX_IMAGE_SIZE, 0,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_WIDTH,
g_param_spec_int ("width", NULL, NULL,
0, GIMP_MAX_IMAGE_SIZE, 0,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
g_object_class_install_property (object_class, PROP_HEIGHT,
g_param_spec_int ("height", NULL, NULL,
0, GIMP_MAX_IMAGE_SIZE, 0,
GIMP_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
gimp_drawable_undo_init (GimpDrawableUndo *undo)
{
}
static GObject *
gimp_drawable_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpDrawableUndo *drawable_undo;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
drawable_undo = GIMP_DRAWABLE_UNDO (object);
g_assert (GIMP_IS_DRAWABLE (GIMP_ITEM_UNDO (object)->item));
g_assert (drawable_undo->tiles != NULL);
return object;
}
static void
gimp_drawable_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object);
switch (property_id)
{
case PROP_TILES:
drawable_undo->tiles = tile_manager_ref (g_value_get_pointer (value));
break;
case PROP_SPARSE:
drawable_undo->sparse = g_value_get_boolean (value);
break;
case PROP_X:
drawable_undo->x = g_value_get_int (value);
break;
case PROP_Y:
drawable_undo->y = g_value_get_int (value);
break;
case PROP_WIDTH:
drawable_undo->width = g_value_get_int (value);
break;
case PROP_HEIGHT:
drawable_undo->height = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
gimp_drawable_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object);
switch (property_id)
{
case PROP_TILES:
g_value_set_pointer (value, drawable_undo->tiles);
break;
case PROP_SPARSE:
g_value_set_boolean (value, drawable_undo->sparse);
break;
case PROP_X:
g_value_set_int (value, drawable_undo->x);
break;
case PROP_Y:
g_value_set_int (value, drawable_undo->y);
break;
case PROP_WIDTH:
g_value_set_int (value, drawable_undo->width);
break;
case PROP_HEIGHT:
g_value_set_int (value, drawable_undo->height);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static gint64
gimp_drawable_undo_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (object);
gint64 memsize = 0;
memsize += tile_manager_get_memsize (drawable_undo->tiles,
drawable_undo->sparse);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
gimp_drawable_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (undo);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
gimp_drawable_swap_pixels (GIMP_DRAWABLE (GIMP_ITEM_UNDO (undo)->item),
drawable_undo->tiles,
drawable_undo->sparse,
drawable_undo->x,
drawable_undo->y,
drawable_undo->width,
drawable_undo->height);
}
static void
gimp_drawable_undo_free (GimpUndo *undo,
GimpUndoMode undo_mode)
{
GimpDrawableUndo *drawable_undo = GIMP_DRAWABLE_UNDO (undo);
if (drawable_undo->tiles)
{
tile_manager_unref (drawable_undo->tiles);
drawable_undo->tiles = NULL;
}
if (drawable_undo->src2_tiles)
{
tile_manager_unref (drawable_undo->src2_tiles);
drawable_undo->src2_tiles = NULL;
}
GIMP_UNDO_CLASS (parent_class)->free (undo, undo_mode);
}