Deinterlacer.h

/* Mednafen - Multi-system Emulator
 *
 * 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 __MDFN_DEINTERLACER_H
#define __MDFN_DEINTERLACER_H

#include <vector>

class Deinterlacer
{
 public:

 Deinterlacer();
 ~Deinterlacer();

 enum
 {
  DEINT_BOB_OFFSET = 0,	// Code will fall-through to this case under certain conditions, too.
  DEINT_BOB,
  DEINT_WEAVE,
 };

 void SetType(unsigned t);
 inline unsigned GetType(void)
 {
  return(DeintType);
 }

 void Process(MDFN_Surface *surface, MDFN_Rect &DisplayRect, int32 *LineWidths, const bool field);

 void ClearState(void);

 private:

 template<typename T>
 void InternalProcess(MDFN_Surface *surface, MDFN_Rect &DisplayRect, int32 *LineWidths, const bool field);

 MDFN_Surface *FieldBuffer;
 std::vector<int32> LWBuffer;
 bool StateValid;
 MDFN_Rect PrevDRect;
 unsigned DeintType;
};

#endif