gimp/app/tools/gimpdrawtool.h

/* The GIMP -- an image manipulation program
 * Copyright (C) 1995-2001 Spencer Kimball, Peter Mattis, and others.
 *
 * 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_DRAW_TOOL_H__
#define __GIMP_DRAW_TOOL_H__


#include "gimptool.h"


/*  draw states  */
#define INVISIBLE   0
#define VISIBLE     1


#define GIMP_TYPE_DRAW_TOOL            (gimp_draw_tool_get_type ())
#define GIMP_DRAW_TOOL(obj)            (GTK_CHECK_CAST ((obj), GIMP_TYPE_DRAW_TOOL, GimpDrawTool))
#define GIMP_IS_DRAW_TOOL(obj)         (GTK_CHECK_TYPE ((obj), GIMP_TYPE_DRAW_TOOL))
#define GIMP_DRAW_TOOL_CLASS(klass)    (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_DRAW_TOOL, GimpDrawToolClass))
#define GIMP_IS_DRAW_TOOL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_DRAW_TOOL))


typedef struct _GimpDrawToolClass GimpDrawToolClass;

struct _GimpDrawTool
{
  GimpTool 	parent_instance;

  GdkGC       * gc;           /*  Graphics context for draw functions  */
  GdkWindow   * win;          /*  Window to draw draw operation to      */

  gint          draw_state;   /*  Current state in the draw process    */

  gint          line_width;   /**/
  gint          line_style;   /**/
  gint          cap_style;    /*  line attributes                         */
  gint          join_style;   /**/

  gint          paused_count; /*  count to keep track of multiple pauses  */
};

struct _GimpDrawToolClass
{
  GimpToolClass   parent_class;

  void (* draw) (GimpDrawTool *draw_tool);
};


GtkType		  gimp_draw_tool_get_type (void);

void              gimp_draw_tool_start    (GimpDrawTool *draw_tool,
					   GdkWindow    *window);
void       	  gimp_draw_tool_stop     (GimpDrawTool *draw_tool);
void       	  gimp_draw_tool_pause    (GimpDrawTool *draw_tool);
void       	  gimp_draw_tool_resume   (GimpDrawTool *draw_tool);

void              gimp_draw_tool_draw_handle (GimpDrawTool *draw_tool, 
		                              gdouble x,
			                      gdouble y,
			                      gint size,
			                      gint type);

void              gimp_draw_tool_draw_lines (GimpDrawTool *draw_tool, 
		                             gdouble *points,
			                     gint npoints,
			                     gint filled);


#endif  /*  __GIMP_DRAW_TOOL_H__  */