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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others
*
* 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_TRANSFORM_GRID_TOOL_H__
#define __GIMP_TRANSFORM_GRID_TOOL_H__
#include "gimptransformtool.h"
/* This is not the number of items in the enum above, but the max size
* of the enums at the top of each transformation tool, stored in
* trans_info and related
*/
#define TRANS_INFO_SIZE 17
typedef gdouble TransInfo[TRANS_INFO_SIZE];
#define GIMP_TYPE_TRANSFORM_GRID_TOOL (gimp_transform_grid_tool_get_type ())
#define GIMP_TRANSFORM_GRID_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_TRANSFORM_GRID_TOOL, GimpTransformGridTool))
#define GIMP_TRANSFORM_GRID_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TRANSFORM_GRID_TOOL, GimpTransformGridToolClass))
#define GIMP_IS_TRANSFORM_GRID_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_TRANSFORM_GRID_TOOL))
#define GIMP_IS_TRANSFORM_GRID_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TRANSFORM_GRID_TOOL))
#define GIMP_TRANSFORM_GRID_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_TRANSFORM_GRID_TOOL, GimpTransformGridToolClass))
#define GIMP_TRANSFORM_GRID_TOOL_GET_OPTIONS(t) (GIMP_TRANSFORM_GRID_OPTIONS (gimp_tool_get_options (GIMP_TOOL (t))))
typedef struct _GimpTransformGridToolClass GimpTransformGridToolClass;
struct _GimpTransformGridTool
{
GimpTransformTool parent_instance;
TransInfo init_trans_info; /* initial transformation info */
TransInfo trans_infos[2]; /* forward/backward transformation info */
gdouble *trans_info; /* current transformation info */
GList *undo_list; /* list of all states,
head is current == prev_trans_info,
tail is original == old_trans_info */
GList *redo_list; /* list of all undone states,
NULL when nothing undone */
GimpObject *hidden_object; /* the object that was hidden during
the transform */
GimpToolWidget *widget;
GimpToolWidget *grab_widget;
GimpCanvasItem *preview;
GimpCanvasItem *boundary_in;
GimpCanvasItem *boundary_out;
GPtrArray *strokes;
GHashTable *filters;
GList *preview_drawables;
GimpToolGui *gui;
};
struct _GimpTransformGridToolClass
{
GimpTransformToolClass parent_class;
/* virtual functions */
gboolean (* info_to_matrix) (GimpTransformGridTool *tg_tool,
GimpMatrix3 *transform);
void (* matrix_to_info) (GimpTransformGridTool *tg_tool,
const GimpMatrix3 *transform);
void (* apply_info) (GimpTransformGridTool *tg_tool,
const TransInfo info);
gchar * (* get_undo_desc) (GimpTransformGridTool *tg_tool);
void (* dialog) (GimpTransformGridTool *tg_tool);
void (* dialog_update) (GimpTransformGridTool *tg_tool);
void (* prepare) (GimpTransformGridTool *tg_tool);
void (* readjust) (GimpTransformGridTool *tg_tool);
GimpToolWidget * (* get_widget) (GimpTransformGridTool *tg_tool);
void (* update_widget) (GimpTransformGridTool *tg_tool);
void (* widget_changed) (GimpTransformGridTool *tg_tool);
GeglBuffer * (* transform) (GimpTransformGridTool *tg_tool,
GimpObject *object,
GeglBuffer *orig_buffer,
gint orig_offset_x,
gint orig_offset_y,
GimpColorProfile **buffer_profile,
gint *new_offset_x,
gint *new_offset_y);
const gchar *ok_button_label;
};
GType gimp_transform_grid_tool_get_type (void) G_GNUC_CONST;
gboolean gimp_transform_grid_tool_info_to_matrix (GimpTransformGridTool *tg_tool,
GimpMatrix3 *transform);
void gimp_transform_grid_tool_matrix_to_info (GimpTransformGridTool *tg_tool,
const GimpMatrix3 *transform);
void gimp_transform_grid_tool_push_internal_undo (GimpTransformGridTool *tg_tool,
gboolean compress);
#endif /* __GIMP_TRANSFORM_GRID_TOOL_H__ */
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