gimp/app/tools/gimptransformtool.h

99 lines
4.3 KiB
C

/* 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_TOOL_H__
#define __GIMP_TRANSFORM_TOOL_H__
#include "gimpdrawtool.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_TOOL (gimp_transform_tool_get_type ())
#define GIMP_TRANSFORM_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_TRANSFORM_TOOL, GimpTransformTool))
#define GIMP_TRANSFORM_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_TRANSFORM_TOOL, GimpTransformToolClass))
#define GIMP_IS_TRANSFORM_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_TRANSFORM_TOOL))
#define GIMP_IS_TRANSFORM_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_TRANSFORM_TOOL))
#define GIMP_TRANSFORM_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_TRANSFORM_TOOL, GimpTransformToolClass))
#define GIMP_TRANSFORM_TOOL_GET_OPTIONS(t) (GIMP_TRANSFORM_OPTIONS (gimp_tool_get_options (GIMP_TOOL (t))))
typedef struct _GimpTransformToolClass GimpTransformToolClass;
struct _GimpTransformTool
{
GimpDrawTool parent_instance;
GimpItem *item;
gint x1, y1; /* upper left hand coordinate */
gint x2, y2; /* lower right hand coords */
GimpMatrix3 transform; /* transformation matrix */
gboolean transform_valid; /* whether the matrix is valid */
};
struct _GimpTransformToolClass
{
GimpDrawToolClass parent_class;
/* virtual functions */
void (* recalc_matrix) (GimpTransformTool *tr_tool);
gchar * (* get_undo_desc) (GimpTransformTool *tr_tool);
GimpTransformDirection (* get_direction) (GimpTransformTool *tr_tool);
GeglBuffer * (* transform) (GimpTransformTool *tr_tool,
GimpItem *item,
GeglBuffer *orig_buffer,
gint orig_offset_x,
gint orig_offset_y,
GimpColorProfile **buffer_profile,
gint *new_offset_x,
gint *new_offset_y);
const gchar *undo_desc;
const gchar *progress_text;
};
GType gimp_transform_tool_get_type (void) G_GNUC_CONST;
GimpItem * gimp_transform_tool_get_active_item (GimpTransformTool *tr_tool,
GimpDisplay *display);
GimpItem * gimp_transform_tool_check_active_item (GimpTransformTool *tr_tool,
GimpDisplay *display,
GError **error);
gboolean gimp_transform_tool_bounds (GimpTransformTool *tr_tool,
GimpDisplay *display);
void gimp_transform_tool_recalc_matrix (GimpTransformTool *tr_tool,
GimpDisplay *display);
gboolean gimp_transform_tool_transform (GimpTransformTool *tr_tool,
GimpDisplay *display);
#endif /* __GIMP_TRANSFORM_TOOL_H__ */