Fawkes API Fawkes Development Version

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 namespace firevision {
00030 #if 0 /* just to make Emacs auto-indent happy */
00031 }
00032 #endif
00033 
00034 class PNGReaderData;
00035 
00036 class PNGReader : public Reader {
00037 
00038  public:
00039   PNGReader(const char *filename);
00040   virtual ~PNGReader();
00041 
00042   virtual void             set_buffer(unsigned char *yuv422planar_buffer);
00043   virtual colorspace_t     colorspace();
00044   virtual unsigned int     pixel_width();
00045   virtual unsigned int     pixel_height();
00046   virtual void             read();
00047 
00048  private:
00049   PNGReaderData *  setup_read(const char *filename);
00050 
00051   PNGReaderData *__d;
00052   bool opened;
00053   unsigned char *buffer;
00054 };
00055 
00056 } // end namespace firevision
00057 
00058 #endif
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