PIKApp/app/tools/pikatransformgridtoolundo.c

220 lines
7.5 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 <gegl.h>
#include <gtk/gtk.h>
#include "libpikabase/pikabase.h"
#include "tools-types.h"
#include "pikatoolcontrol.h"
#include "pikatransformgridtool.h"
#include "pikatransformgridtoolundo.h"
enum
{
PROP_0,
PROP_TRANSFORM_TOOL
};
static void pika_transform_grid_tool_undo_constructed (GObject *object);
static void pika_transform_grid_tool_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec);
static void pika_transform_grid_tool_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec);
static void pika_transform_grid_tool_undo_pop (PikaUndo *undo,
PikaUndoMode undo_mode,
PikaUndoAccumulator *accum);
static void pika_transform_grid_tool_undo_free (PikaUndo *undo,
PikaUndoMode undo_mode);
G_DEFINE_TYPE (PikaTransformGridToolUndo, pika_transform_grid_tool_undo, PIKA_TYPE_UNDO)
#define parent_class pika_transform_grid_tool_undo_parent_class
static void
pika_transform_grid_tool_undo_class_init (PikaTransformGridToolUndoClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
PikaUndoClass *undo_class = PIKA_UNDO_CLASS (klass);
object_class->constructed = pika_transform_grid_tool_undo_constructed;
object_class->set_property = pika_transform_grid_tool_undo_set_property;
object_class->get_property = pika_transform_grid_tool_undo_get_property;
undo_class->pop = pika_transform_grid_tool_undo_pop;
undo_class->free = pika_transform_grid_tool_undo_free;
g_object_class_install_property (object_class, PROP_TRANSFORM_TOOL,
g_param_spec_object ("transform-tool",
NULL, NULL,
PIKA_TYPE_TRANSFORM_GRID_TOOL,
PIKA_PARAM_READWRITE |
G_PARAM_CONSTRUCT_ONLY));
}
static void
pika_transform_grid_tool_undo_init (PikaTransformGridToolUndo *undo)
{
}
static void
pika_transform_grid_tool_undo_constructed (GObject *object)
{
PikaTransformGridToolUndo *tg_tool_undo = PIKA_TRANSFORM_GRID_TOOL_UNDO (object);
PikaTransformGridTool *tg_tool;
G_OBJECT_CLASS (parent_class)->constructed (object);
pika_assert (PIKA_IS_TRANSFORM_GRID_TOOL (tg_tool_undo->tg_tool));
tg_tool = tg_tool_undo->tg_tool;
memcpy (tg_tool_undo->trans_infos[PIKA_TRANSFORM_FORWARD],
tg_tool->init_trans_info, sizeof (TransInfo));
memcpy (tg_tool_undo->trans_infos[PIKA_TRANSFORM_BACKWARD],
tg_tool->init_trans_info, sizeof (TransInfo));
#if 0
if (tg_tool->original)
tg_tool_undo->original = tile_manager_ref (tg_tool->original);
#endif
}
static void
pika_transform_grid_tool_undo_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
PikaTransformGridToolUndo *tg_tool_undo = PIKA_TRANSFORM_GRID_TOOL_UNDO (object);
switch (property_id)
{
case PROP_TRANSFORM_TOOL:
g_set_weak_pointer (&tg_tool_undo->tg_tool,
g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_transform_grid_tool_undo_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
PikaTransformGridToolUndo *tg_tool_undo = PIKA_TRANSFORM_GRID_TOOL_UNDO (object);
switch (property_id)
{
case PROP_TRANSFORM_TOOL:
g_value_set_object (value, tg_tool_undo->tg_tool);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
break;
}
}
static void
pika_transform_grid_tool_undo_pop (PikaUndo *undo,
PikaUndoMode undo_mode,
PikaUndoAccumulator *accum)
{
PikaTransformGridToolUndo *tg_tool_undo = PIKA_TRANSFORM_GRID_TOOL_UNDO (undo);
PIKA_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
if (tg_tool_undo->tg_tool)
{
PikaTransformGridTool *tg_tool;
#if 0
TileManager *temp;
#endif
TransInfo temp_trans_infos[2];
tg_tool = tg_tool_undo->tg_tool;
/* swap the transformation information00 arrays */
memcpy (temp_trans_infos, tg_tool_undo->trans_infos,
sizeof (tg_tool->trans_infos));
memcpy (tg_tool_undo->trans_infos, tg_tool->trans_infos,
sizeof (tg_tool->trans_infos));
memcpy (tg_tool->trans_infos, temp_trans_infos,
sizeof (tg_tool->trans_infos));
#if 0
/* swap the original buffer--the source buffer for repeated transform_grids
*/
temp = tg_tool_undo->original;
tg_tool_undo->original = tg_tool->original;
tg_tool->original = temp;
#endif
#if 0
/* If we're re-implementing the first transform_grid, reactivate tool */
if (undo_mode == PIKA_UNDO_MODE_REDO && tg_tool->original)
{
pika_tool_control_activate (PIKA_TOOL (tg_tool)->control);
pika_draw_tool_resume (PIKA_DRAW_TOOL (tg_tool));
}
#endif
}
}
static void
pika_transform_grid_tool_undo_free (PikaUndo *undo,
PikaUndoMode undo_mode)
{
PikaTransformGridToolUndo *tg_tool_undo = PIKA_TRANSFORM_GRID_TOOL_UNDO (undo);
g_clear_weak_pointer (&tg_tool_undo->tg_tool);
#if 0
if (tg_tool_undo->original)
{
tile_manager_unref (tg_tool_undo->original);
tg_tool_undo->original = NULL;
}
#endif
PIKA_UNDO_CLASS (parent_class)->free (undo, undo_mode);
}