102 lines
3.5 KiB
C
102 lines
3.5 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):
|
||
|
|
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
|
||
|
|
*
|
||
|
|
* 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_ISCISSORS_TOOL_H__
|
||
|
|
#define __PIKA_ISCISSORS_TOOL_H__
|
||
|
|
|
||
|
|
|
||
|
|
#include "pikaselectiontool.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* The possible states... */
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
NO_ACTION,
|
||
|
|
SEED_PLACEMENT,
|
||
|
|
SEED_ADJUSTMENT,
|
||
|
|
WAITING
|
||
|
|
} IscissorsState;
|
||
|
|
|
||
|
|
/* For oper_update & cursor_update */
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
ISCISSORS_OP_NONE,
|
||
|
|
ISCISSORS_OP_SELECT,
|
||
|
|
ISCISSORS_OP_MOVE_POINT,
|
||
|
|
ISCISSORS_OP_ADD_POINT,
|
||
|
|
ISCISSORS_OP_REMOVE_POINT,
|
||
|
|
ISCISSORS_OP_CONNECT,
|
||
|
|
ISCISSORS_OP_IMPOSSIBLE
|
||
|
|
} IscissorsOps;
|
||
|
|
|
||
|
|
typedef struct _ISegment ISegment;
|
||
|
|
typedef struct _ICurve ICurve;
|
||
|
|
|
||
|
|
|
||
|
|
#define PIKA_TYPE_ISCISSORS_TOOL (pika_iscissors_tool_get_type ())
|
||
|
|
#define PIKA_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_ISCISSORS_TOOL, PikaIscissorsTool))
|
||
|
|
#define PIKA_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_ISCISSORS_TOOL, PikaIscissorsToolClass))
|
||
|
|
#define PIKA_IS_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_ISCISSORS_TOOL))
|
||
|
|
#define PIKA_IS_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_ISCISSORS_TOOL))
|
||
|
|
#define PIKA_ISCISSORS_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_ISCISSORS_TOOL, PikaIscissorsToolClass))
|
||
|
|
|
||
|
|
#define PIKA_ISCISSORS_TOOL_GET_OPTIONS(t) (PIKA_ISCISSORS_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct _PikaIscissorsTool PikaIscissorsTool;
|
||
|
|
typedef struct _PikaIscissorsToolClass PikaIscissorsToolClass;
|
||
|
|
|
||
|
|
struct _PikaIscissorsTool
|
||
|
|
{
|
||
|
|
PikaSelectionTool parent_instance;
|
||
|
|
|
||
|
|
IscissorsOps op;
|
||
|
|
|
||
|
|
gint x, y; /* mouse coordinates */
|
||
|
|
|
||
|
|
ISegment *segment1; /* 1st segment connected to current point */
|
||
|
|
ISegment *segment2; /* 2nd segment connected to current point */
|
||
|
|
|
||
|
|
ICurve *curve; /* the curve */
|
||
|
|
|
||
|
|
GList *undo_stack; /* stack of ICurves for undo */
|
||
|
|
GList *redo_stack; /* stack of ICurves for redo */
|
||
|
|
|
||
|
|
IscissorsState state; /* state of iscissors */
|
||
|
|
|
||
|
|
GeglBuffer *gradient_map; /* lazily filled gradient map */
|
||
|
|
PikaChannel *mask; /* selection mask */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct _PikaIscissorsToolClass
|
||
|
|
{
|
||
|
|
PikaSelectionToolClass parent_class;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
void pika_iscissors_tool_register (PikaToolRegisterCallback callback,
|
||
|
|
gpointer data);
|
||
|
|
|
||
|
|
GType pika_iscissors_tool_get_type (void) G_GNUC_CONST;
|
||
|
|
|
||
|
|
|
||
|
|
#endif /* __PIKA_ISCISSORS_TOOL_H__ */
|
