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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimptooltransformgrid.h
* Copyright (C) 2017 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 <https://www.gnu.org/licenses/>.
*/
#ifndef __GIMP_TOOL_TRANSFORM_GRID_H__
#define __GIMP_TOOL_TRANSFORM_GRID_H__
#include "gimpcanvashandle.h"
#include "gimptoolwidget.h"
#define GIMP_TOOL_TRANSFORM_GRID_MAX_HANDLE_SIZE \
(1.5 * GIMP_CANVAS_HANDLE_SIZE_LARGE)
typedef enum
{
GIMP_TRANSFORM_HANDLE_NONE,
GIMP_TRANSFORM_HANDLE_NW_P, /* north west perspective */
GIMP_TRANSFORM_HANDLE_NE_P, /* north east perspective */
GIMP_TRANSFORM_HANDLE_SW_P, /* south west perspective */
GIMP_TRANSFORM_HANDLE_SE_P, /* south east perspective */
GIMP_TRANSFORM_HANDLE_NW, /* north west */
GIMP_TRANSFORM_HANDLE_NE, /* north east */
GIMP_TRANSFORM_HANDLE_SW, /* south west */
GIMP_TRANSFORM_HANDLE_SE, /* south east */
GIMP_TRANSFORM_HANDLE_N, /* north */
GIMP_TRANSFORM_HANDLE_S, /* south */
GIMP_TRANSFORM_HANDLE_E, /* east */
GIMP_TRANSFORM_HANDLE_W, /* west */
GIMP_TRANSFORM_HANDLE_CENTER, /* center for moving */
GIMP_TRANSFORM_HANDLE_PIVOT, /* pivot for rotation and scaling */
GIMP_TRANSFORM_HANDLE_N_S, /* north shearing */
GIMP_TRANSFORM_HANDLE_S_S, /* south shearing */
GIMP_TRANSFORM_HANDLE_E_S, /* east shearing */
GIMP_TRANSFORM_HANDLE_W_S, /* west shearing */
GIMP_TRANSFORM_HANDLE_ROTATION, /* rotation */
GIMP_N_TRANSFORM_HANDLES /* keep this last so *handles[] is the right size */
} GimpTransformHandle;
#define GIMP_TYPE_TOOL_TRANSFORM_GRID (gimp_tool_transform_grid_get_type ())
#define GIMP_TOOL_TRANSFORM_GRID(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_TOOL_TRANSFORM_GRID, GimpToolTransformGrid))
#define GIMP_TOOL_TRANSFORM_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TOOL_TRANSFORM_GRID, GimpToolTransformGridClass))
#define GIMP_IS_TOOL_TRANSFORM_GRID(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_TOOL_TRANSFORM_GRID))
#define GIMP_IS_TOOL_TRANSFORM_GRID_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TOOL_TRANSFORM_GRID))
#define GIMP_TOOL_TRANSFORM_GRID_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_TOOL_TRANSFORM_GRID, GimpToolTransformGridClass))
typedef struct _GimpToolTransformGrid GimpToolTransformGrid;
typedef struct _GimpToolTransformGridPrivate GimpToolTransformGridPrivate;
typedef struct _GimpToolTransformGridClass GimpToolTransformGridClass;
struct _GimpToolTransformGrid
{
GimpToolWidget parent_instance;
GimpToolTransformGridPrivate *private;
};
struct _GimpToolTransformGridClass
{
GimpToolWidgetClass parent_class;
};
GType gimp_tool_transform_grid_get_type (void) G_GNUC_CONST;
GimpToolWidget * gimp_tool_transform_grid_new (GimpDisplayShell *shell,
const GimpMatrix3 *transform,
gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
/* protected functions */
GimpTransformHandle gimp_tool_transform_grid_get_handle (GimpToolTransformGrid *grid);
#endif /* __GIMP_TOOL_TRANSFORM_GRID_H__ */
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