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