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/* The GIMP -- an image manipulation program
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __GIMP_ISCISSORS_TOOL_H__
#define __GIMP_ISCISSORS_TOOL_H__
#include "gimpselectiontool.h"
/* The possible states... */
typedef enum
{
NO_ACTION,
SEED_PLACEMENT,
SEED_ADJUSTMENT,
WAITING
} IscissorsState;
/* The possible drawing states... */
typedef enum
{
DRAW_NOTHING = 0x0,
DRAW_CURRENT_SEED = 0x1,
DRAW_CURVE = 0x2,
DRAW_ACTIVE_CURVE = 0x4,
DRAW_LIVEWIRE = 0x8
} IscissorsDraw;
/* For oper_update & cursor_update */
typedef enum
{
ISCISSORS_OP_NONE,
ISCISSORS_OP_SELECT,
ISCISSORS_OP_MOVE_POINT,
ISCISSORS_OP_ADD_POINT,
ISCISSORS_OP_IMPOSSIBLE
} IscissorsOps;
typedef struct _ICurve ICurve;
#define GIMP_TYPE_ISCISSORS_TOOL (gimp_iscissors_tool_get_type ())
#define GIMP_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_ISCISSORS_TOOL, GimpIscissorsTool))
#define GIMP_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_ISCISSORS_TOOL, GimpIscissorsToolClass))
#define GIMP_IS_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_ISCISSORS_TOOL))
#define GIMP_IS_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_ISCISSORS_TOOL))
#define GIMP_ISCISSORS_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_ISCISSORS_TOOL, GimpIscissorsToolClass))
typedef struct _GimpIscissorsTool GimpIscissorsTool;
typedef struct _GimpIscissorsToolClass GimpIscissorsToolClass;
struct _GimpIscissorsTool
{
GimpSelectionTool parent_instance;
IscissorsOps op;
gint x, y; /* upper left hand coordinate */
gint ix, iy; /* initial coordinates */
gint nx, ny; /* new coordinates */
TempBuf *dp_buf; /* dynamic programming buffer */
ICurve *livewire; /* livewire boundary curve */
ICurve *curve1; /* 1st curve connected to current point */
ICurve *curve2; /* 2nd curve connected to current point */
GSList *curves; /* the list of curves */
gboolean first_point; /* is this the first point? */
gboolean connected; /* is the region closed? */
IscissorsState state; /* state of iscissors */
IscissorsDraw draw; /* items to draw on a draw request */
/* XXX might be useful */
GimpChannel *mask; /* selection mask */
TileManager *gradient_map; /* lazily filled gradient map */
};
struct _GimpIscissorsToolClass
{
GimpSelectionToolClass parent_class;
};
void gimp_iscissors_tool_register (GimpToolRegisterCallback callback,
gpointer data);
GType gimp_iscissors_tool_get_type (void) G_GNUC_CONST;
#endif /* __GIMP_ISCISSORS_TOOL_H__ */
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