png.h

00001
00002 /***************************************************************************
00003  *  png.h - PNG Reader
00004  *
00005  *  Created: Thu Apr 03 12:55:36 2008
00006  *  Copyright  2005-2008  Tim Niemueller [www.niemueller.de]
00007  *
00008  ****************************************************************************/
00009
00010 /*  This program is free software; you can redistribute it and/or modify
00011  *  it under the terms of the GNU General Public License as published by
00012  *  the Free Software Foundation; either version 2 of the License, or
00013  *  (at your option) any later version. A runtime exception applies to
00014  *  this software (see LICENSE.GPL_WRE file mentioned below for details).
00015  *
00016  *  This program is distributed in the hope that it will be useful,
00017  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00018  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019  *  GNU Library General Public License for more details.
00020  *
00021  *  Read the full text in the LICENSE.GPL_WRE file in the doc directory.
00022  */
00023
00024 #ifndef __FIREVISION_UTILS_READERS_PNG_H_
00025 #define __FIREVISION_UTILS_READERS_PNG_H_
00026 
00027 #include <fvutils/readers/reader.h>
00028
00029 class PNGReaderData;
00030
00031 class PNGReader : public Reader {
00032
00033  public:
00034   PNGReader(const char *filename);
00035   virtual ~PNGReader();
00036
00037   virtual void             set_buffer(unsigned char *yuv422planar_buffer);
00038   virtual colorspace_t     colorspace();
00039   virtual unsigned int     pixel_width();
00040   virtual unsigned int     pixel_height();
00041   virtual void             read();
00042
00043  private:
00044   PNGReaderData *  setup_read(const char *filename);
00045
00046   PNGReaderData *__d;
00047   bool opened;
00048   unsigned char *buffer;
00049 };
00050
00051
00052 #endif