gimp/app/tools/blend.h

/* 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  __BLEND_H__
#define  __BLEND_H__


typedef enum
{
  LINEAR,
  BILINEAR,
  RADIAL,
  SQUARE,
  CONICAL_SYMMETRIC,
  CONICAL_ASYMMETRIC,
  SHAPEBURST_ANGULAR,
  SHAPEBURST_SPHERICAL,
  SHAPEBURST_DIMPLED,
  SPIRAL_CLOCKWISE,
  SPIRAL_ANTICLOCKWISE,
  GRADIENT_TYPE_LAST  /*< skip >*/
} GradientType;

typedef enum  /*< chop=_MODE >*/
{
  FG_BG_RGB_MODE,
  FG_BG_HSV_MODE,
  FG_TRANS_MODE,
  CUSTOM_MODE,
  BLEND_MODE_LAST /*< skip >*/
} BlendMode;

typedef enum
{
  REPEAT_NONE,
  REPEAT_SAWTOOTH,
  REPEAT_TRIANGULAR,
  REPEAT_LAST /*< skip >*/
} RepeatMode;

void   blend            (GimpImage       *gimage,
			 GimpDrawable    *drawable,
			 BlendMode        blend_mode,
			 gint             paint_mode,
			 GradientType     gradient_type,
			 gdouble          opacity,
			 gdouble          offset,
			 RepeatMode       repeat,
			 gint             supersample,
			 gint             max_depth,
			 gdouble          threshold,
			 gdouble          startx,
			 gdouble          starty,
			 gdouble          endx,
			 gdouble          endy,
			 progress_func_t  progress_callback,
			 gpointer         progress_data);

Tool * tools_new_blend  (void);
void   tools_free_blend (Tool            *tool);


#endif  /*  __BLEND_H__  */