PIKApp/app/tools/pikawarptool.h

83 lines
2.8 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):
*
* pikawarptool.h
* Copyright (C) 2011 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 __PIKA_WARP_TOOL_H__
#define __PIKA_WARP_TOOL_H__
#include "pikadrawtool.h"
#define PIKA_TYPE_WARP_TOOL (pika_warp_tool_get_type ())
#define PIKA_WARP_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_WARP_TOOL, PikaWarpTool))
#define PIKA_WARP_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_WARP_TOOL, PikaWarpToolClass))
#define PIKA_IS_WARP_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_WARP_TOOL))
#define PIKA_IS_WARP_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_WARP_TOOL))
#define PIKA_WARP_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_WARP_TOOL, PikaWarpToolClass))
#define PIKA_WARP_TOOL_GET_OPTIONS(t) (PIKA_WARP_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
typedef struct _PikaWarpTool PikaWarpTool;
typedef struct _PikaWarpToolClass PikaWarpToolClass;
struct _PikaWarpTool
{
PikaDrawTool parent_instance;
gboolean show_cursor;
gboolean draw_brush;
gboolean snap_brush;
PikaVector2 cursor_pos; /* Hold the cursor position */
GeglBuffer *coords_buffer; /* Buffer where coordinates are stored */
GeglNode *graph; /* Top level GeglNode */
GeglNode *render_node; /* Node to render the transformation */
GeglPath *current_stroke;
guint stroke_timer;
PikaVector2 last_pos;
gdouble total_dist;
PikaDrawableFilter *filter;
GList *redo_stack;
};
struct _PikaWarpToolClass
{
PikaDrawToolClass parent_class;
};
void pika_warp_tool_register (PikaToolRegisterCallback callback,
gpointer data);
GType pika_warp_tool_get_type (void) G_GNUC_CONST;
#endif /* __PIKA_WARP_TOOL_H__ */