Simple Image Loading LibrarY 0.1.0
SILLYPNGImageContext.h
1/***********************************************************************
2 filename: SILLYPNGImageContext.h
3 created: 11 Jun 2006
4 author: Olivier Delannoy
5
6 purpose: Declaration of the PNGImageContext class
7*************************************************************************/
8/***************************************************************************
9 * Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining
12 * a copy of this software and associated documentation files (the
13 * "Software"), to deal in the Software without restriction, including
14 * without limitation the rights to use, copy, modify, merge, publish,
15 * distribute, sublicense, and/or sell copies of the Software, and to
16 * permit persons to whom the Software is furnished to do so, subject to
17 * the following conditions:
18 *
19 * The above copyright notice and this permission notice shall be
20 * included in all copies or substantial portions of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
25 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
26 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
27 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
28 * OTHER DEALINGS IN THE SOFTWARE.
29 ***************************************************************************/
30#ifndef _SILLYPNGImageContext_h_
31#define _SILLYPNGImageContext_h_
32#include "SILLYBase.h"
33#include "SILLYImageContext.h"
34#include "SILLYDataSource.h"
35#include <png.h>
36// Start of section namespace SILLY
37namespace SILLY
38{
39
45class SILLY_EXPORT PNGImageContext : public ImageContext
46{
47public:
50
51 int read(png_bytep data, png_size_t length);
52
53
54
55private:
56 void setImageSize();
57
58 size_t d_offset;
59
60 DataSource* d_data;
61
62 png_structp d_png_ptr;
63
64 png_infop d_info_ptr;
65
66 size_t d_bit_depth;
67 size_t d_num_channels;
68
69
70 friend class PNGImageLoader;
71};
72
73
74} // End of section namespace SILLY
75
76// Inclue inline function when needed
77#ifdef SILLY_OPT_INLINE
78#include "SILLYPNGImageContext.icpp"
79#endif
80
81#endif // end of guard _SILLYPNGImageContext_h_
Simple Image Loading LibrarY namespace.
Image Context for PNG Image Loader.
Loader for PNG Image.
This is an abstract class used to provide data to the loader.
Store the data needed by an ImageLoader object during the parsing of an image.