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/* GIMP - The GNU Image Manipulation Program
*
* gimpcagetool.h
* Copyright (C) 2010 Michael Muré <batolettre@gmail.com>
*
* 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_CAGE_TOOL_H__
#define __GIMP_CAGE_TOOL_H__
#include "gimpdrawtool.h"
#define GIMP_TYPE_CAGE_TOOL (gimp_cage_tool_get_type ())
#define GIMP_CAGE_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_CAGE_TOOL, GimpCageTool))
#define GIMP_CAGE_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_CAGE_TOOL, GimpCageToolClass))
#define GIMP_IS_CAGE_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_CAGE_TOOL))
#define GIMP_IS_CAGE_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CAGE_TOOL))
#define GIMP_CAGE_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_CAGE_TOOL, GimpCageToolClass))
#define GIMP_CAGE_TOOL_GET_OPTIONS(t) (GIMP_CAGE_OPTIONS (gimp_tool_get_options (GIMP_TOOL (t))))
typedef struct _GimpCageTool GimpCageTool;
typedef struct _GimpCageToolClass GimpCageToolClass;
struct _GimpCageTool
{
GimpDrawTool parent_instance;
GimpCageConfig *config;
gint offset_x; /* used to convert the cage point coords */
gint offset_y; /* to drawable coords */
gdouble cursor_x; /* Hold the cursor x position */
gdouble cursor_y; /* Hold the cursor y position */
gdouble movement_start_x; /* Where the movement started */
gdouble movement_start_y; /* Where the movement started */
gdouble selection_start_x; /* Where the selection started */
gdouble selection_start_y; /* Where the selection started */
gint hovering_handle; /* Handle which the cursor is above */
gint hovering_edge; /* Edge which the cursor is above */
GeglBuffer *coef; /* Gegl buffer where the coefficient of the transformation are stored */
gboolean dirty_coef; /* Indicate if the coef are still valid */
GeglNode *render_node; /* Gegl node graph to render the transformation */
GeglNode *cage_node; /* Gegl node that compute the cage transform */
GeglNode *coef_node; /* Gegl node that read in the coef buffer */
gint tool_state; /* Current state in statemachine */
GimpDrawableFilter *filter; /* For preview */
};
struct _GimpCageToolClass
{
GimpDrawToolClass parent_class;
};
void gimp_cage_tool_register (GimpToolRegisterCallback callback,
gpointer data);
GType gimp_cage_tool_get_type (void) G_GNUC_CONST;
#endif /* __GIMP_CAGE_TOOL_H__ */
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