/*
   (c) Copyright 2000-2002  convergence integrated media GmbH.
   (c) Copyright 2002       convergence GmbH.
   
   All rights reserved.

   Written by Denis Oliver Kropp <dok@directfb.org>,
              Andreas Hundt <andi@fischlustig.de> and
              Sven Neumann <sven@convergence.de>.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
*/

#ifndef __GFX__CLIP_H__
#define __GFX__CLIP_H__

#include <directfb.h>

int dfb_clip_line( const DFBRegion *clip, DFBRegion *line );

unsigned int dfb_clip_rectangle( const DFBRegion *clip, DFBRectangle *rect );

int dfb_clip_triangle_precheck( const DFBRegion   *clip,
                                const DFBTriangle *tri );

int dfb_clip_blit_precheck( const DFBRegion *clip,
                            int w, int h, int dx, int dy );

void dfb_clip_blit( const DFBRegion *clip,
                    DFBRectangle *srect, int *dx, int *dy );

void dfb_clip_stretchblit( const DFBRegion *clip,
                           DFBRectangle    *srect,
                           DFBRectangle    *drect );

#endif