/* GIMP - The GNU 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 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 <http://www.gnu.org/licenses/>.
 */

#ifndef __GIMP_SOURCE_CORE_H__
#define __GIMP_SOURCE_CORE_H__


#include "gimpbrushcore.h"


#define GIMP_TYPE_SOURCE_CORE            (gimp_source_core_get_type ())
#define GIMP_SOURCE_CORE(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_SOURCE_CORE, GimpSourceCore))
#define GIMP_SOURCE_CORE_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_SOURCE_CORE, GimpSourceCoreClass))
#define GIMP_IS_SOURCE_CORE(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_SOURCE_CORE))
#define GIMP_IS_SOURCE_CORE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_SOURCE_CORE))
#define GIMP_SOURCE_CORE_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_SOURCE_CORE, GimpSourceCoreClass))


typedef struct _GimpSourceCoreClass GimpSourceCoreClass;

struct _GimpSourceCore
{
  GimpBrushCore  parent_instance;

  gboolean       set_source;

  GimpDrawable  *src_drawable;
  gdouble        src_x;
  gdouble        src_y;

  gdouble        orig_src_x;
  gdouble        orig_src_y;

  gdouble        offset_x;
  gdouble        offset_y;
  gboolean       first_stroke;
};

struct _GimpSourceCoreClass
{
  GimpBrushCoreClass  parent_class;

  gboolean (* get_source) (GimpSourceCore   *source_core,
                           GimpDrawable     *drawable,
                           GimpPaintOptions *paint_options,
                           GimpPickable     *src_pickable,
                           gint              src_offset_x,
                           gint              src_offset_y,
                           TempBuf          *paint_area,
                           gint             *paint_area_offset_x,
                           gint             *paint_area_offset_y,
                           gint             *paint_area_width,
                           gint             *paint_area_height,
                           PixelRegion      *srcPR);

  void     (*  motion)    (GimpSourceCore   *source_core,
                           GimpDrawable     *drawable,
                           GimpPaintOptions *paint_options,
                           const GimpCoords *coords,
                           gdouble           opacity,
                           GimpPickable     *src_pickable,
                           PixelRegion      *srcPR,
                           gint              src_offset_x,
                           gint              src_offset_y,
                           TempBuf          *paint_area,
                           gint              paint_area_offset_x,
                           gint              paint_area_offset_y,
                           gint              paint_area_width,
                           gint              paint_area_height);
};


GType   gimp_source_core_get_type (void) G_GNUC_CONST;

/* TEMP HACK */
void    gimp_source_core_motion   (GimpSourceCore   *source_core,
                                   GimpDrawable     *drawable,
                                   GimpPaintOptions *paint_options,
                                   const GimpCoords *coords);


#endif  /*  __GIMP_SOURCE_CORE_H__  */