102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_ISCISSORS_TOOL_H__
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#define __PIKA_ISCISSORS_TOOL_H__
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#include "pikaselectiontool.h"
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/* The possible states... */
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typedef enum
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{
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NO_ACTION,
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SEED_PLACEMENT,
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SEED_ADJUSTMENT,
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WAITING
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} IscissorsState;
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/* For oper_update & cursor_update */
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typedef enum
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{
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ISCISSORS_OP_NONE,
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ISCISSORS_OP_SELECT,
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ISCISSORS_OP_MOVE_POINT,
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ISCISSORS_OP_ADD_POINT,
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ISCISSORS_OP_REMOVE_POINT,
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ISCISSORS_OP_CONNECT,
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ISCISSORS_OP_IMPOSSIBLE
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} IscissorsOps;
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typedef struct _ISegment ISegment;
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typedef struct _ICurve ICurve;
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#define PIKA_TYPE_ISCISSORS_TOOL (pika_iscissors_tool_get_type ())
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#define PIKA_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_ISCISSORS_TOOL, PikaIscissorsTool))
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#define PIKA_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PIKA_TYPE_ISCISSORS_TOOL, PikaIscissorsToolClass))
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#define PIKA_IS_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_ISCISSORS_TOOL))
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#define PIKA_IS_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_ISCISSORS_TOOL))
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#define PIKA_ISCISSORS_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PIKA_TYPE_ISCISSORS_TOOL, PikaIscissorsToolClass))
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#define PIKA_ISCISSORS_TOOL_GET_OPTIONS(t) (PIKA_ISCISSORS_OPTIONS (pika_tool_get_options (PIKA_TOOL (t))))
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typedef struct _PikaIscissorsTool PikaIscissorsTool;
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typedef struct _PikaIscissorsToolClass PikaIscissorsToolClass;
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struct _PikaIscissorsTool
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{
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PikaSelectionTool parent_instance;
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IscissorsOps op;
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gint x, y; /* mouse coordinates */
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ISegment *segment1; /* 1st segment connected to current point */
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ISegment *segment2; /* 2nd segment connected to current point */
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ICurve *curve; /* the curve */
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GList *undo_stack; /* stack of ICurves for undo */
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GList *redo_stack; /* stack of ICurves for redo */
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IscissorsState state; /* state of iscissors */
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GeglBuffer *gradient_map; /* lazily filled gradient map */
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PikaChannel *mask; /* selection mask */
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};
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struct _PikaIscissorsToolClass
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{
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PikaSelectionToolClass parent_class;
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};
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void pika_iscissors_tool_register (PikaToolRegisterCallback callback,
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gpointer data);
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GType pika_iscissors_tool_get_type (void) G_GNUC_CONST;
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#endif /* __PIKA_ISCISSORS_TOOL_H__ */
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