Fawkes API  Fawkes Development Version
png.h
1 
2 /***************************************************************************
3  * png.h - PNG Reader
4  *
5  * Created: Thu Apr 03 12:55:36 2008
6  * Copyright 2005-2008 Tim Niemueller [www.niemueller.de]
7  *
8  ****************************************************************************/
9 
10 /* This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version. A runtime exception applies to
14  * this software (see LICENSE.GPL_WRE file mentioned below for details).
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU Library General Public License for more details.
20  *
21  * Read the full text in the LICENSE.GPL_WRE file in the doc directory.
22  */
23 
24 #ifndef __FIREVISION_UTILS_READERS_PNG_H_
25 #define __FIREVISION_UTILS_READERS_PNG_H_
26 
27 #include <fvutils/readers/reader.h>
28 
29 namespace firevision {
30 #if 0 /* just to make Emacs auto-indent happy */
31 }
32 #endif
33 
34 class PNGReaderData;
35 
36 class PNGReader : public Reader {
37 
38  public:
39  PNGReader(const char *filename);
40  virtual ~PNGReader();
41 
42  virtual void set_buffer(unsigned char *yuv422planar_buffer);
43  virtual colorspace_t colorspace();
44  virtual unsigned int pixel_width();
45  virtual unsigned int pixel_height();
46  virtual void read();
47 
48  private:
49  PNGReaderData * setup_read(const char *filename);
50 
51  PNGReaderData *__d;
52  bool opened;
53  unsigned char *buffer;
54 };
55 
56 } // end namespace firevision
57 
58 #endif
virtual unsigned int pixel_height()
Get height of read image in pixels.
Definition: png.cpp:207
virtual unsigned int pixel_width()
Get width of read image in pixels.
Definition: png.cpp:196
virtual void read()
Read data from file.
Definition: png.cpp:218
PNGReader(const char *filename)
Constructor.
Definition: png.cpp:62
virtual void set_buffer(unsigned char *yuv422planar_buffer)
Set buffer that the read image should be written to.
Definition: png.cpp:182
virtual ~PNGReader()
Destructor.
Definition: png.cpp:169
PNG file reader.
Definition: png.h:36
Image reader interface.
Definition: reader.h:34
virtual colorspace_t colorspace()
Get colorspace from the just read image.
Definition: png.cpp:189