PIKApp/app/tools/pikanpointdeformationtool.h

100 lines
3.7 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):
*
* pikanpointdeformationtool.h
* Copyright (C) 2013 Marek Dvoroznak <dvoromar@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 __PIKA_N_POINT_DEFORMATION_TOOL_H__
#define __PIKA_N_POINT_DEFORMATION_TOOL_H__
#include "pikadrawtool.h"
#include "libpikamath/pikamath.h"
#include <npd/npd_common.h>
#define PIKA_TYPE_N_POINT_DEFORMATION_TOOL (pika_n_point_deformation_tool_get_type ())
#define PIKA_N_POINT_DEFORMATION_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_N_POINT_DEFORMATION_TOOL, PikaNPointDeformationTool))
#define PIKA_N_POINT_DEFORMATION_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_N_POINT_DEFORMATION_TOOL, PikaNPointDeformationToolClass))
#define PIKA_IS_N_POINT_DEFORMATION_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_N_POINT_DEFORMATION_TOOL))
#define PIKA_IS_N_POINT_DEFORMATION_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_N_POINT_DEFORMATION_TOOL))
#define PIKA_N_POINT_DEFORMATION_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_N_POINT_DEFORMATION_TOOL, PikaNPointDeformationToolClass))
#define PIKA_N_POINT_DEFORMATION_TOOL_GET_OPTIONS(t) (PIKA_N_POINT_DEFORMATION_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
typedef struct _PikaNPointDeformationTool PikaNPointDeformationTool;
typedef struct _PikaNPointDeformationToolClass PikaNPointDeformationToolClass;
struct _PikaNPointDeformationTool
{
PikaDrawTool parent_instance;
guint draw_timeout_id;
GThread *deform_thread;
GeglNode *graph;
GeglNode *source;
GeglNode *npd_node;
GeglNode *sink;
GeglBuffer *preview_buffer;
NPDModel *model;
NPDControlPoint *selected_cp; /* last selected control point */
GList *selected_cps; /* list of selected control points */
NPDControlPoint *hovering_cp;
PikaVector2 *lattice_points;
gdouble start_x;
gdouble start_y;
gdouble last_x;
gdouble last_y;
gdouble cursor_x;
gdouble cursor_y;
gint offset_x;
gint offset_y;
gfloat cp_scaled_radius; /* radius of a control point scaled
* according to display shell's scale
*/
gboolean active;
volatile gboolean deformation_active;
gboolean rubber_band;
};
struct _PikaNPointDeformationToolClass
{
PikaDrawToolClass parent_class;
};
void pika_n_point_deformation_tool_register (PikaToolRegisterCallback callback,
gpointer data);
GType pika_n_point_deformation_tool_get_type (void) G_GNUC_CONST;
#endif /* __PIKA_N_POINT_DEFORMATION_TOOL_H__ */