<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>Simple Image Loading LibrarY: /home/paul/dev/cegui/release_tmp/release_tmp/src/loaders/SILLYPNGImageContext.cpp Source File</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <!-- Generated by Doxygen 1.4.7 --> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div> <h1>/home/paul/dev/cegui/release_tmp/release_tmp/src/loaders/SILLYPNGImageContext.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***********************************************************************</span> <a name="l00002"></a>00002 <span class="comment"> filename: SILLYPNGImageContext.cpp</span> <a name="l00003"></a>00003 <span class="comment"> created: 11 Jun 2006</span> <a name="l00004"></a>00004 <span class="comment"> author: Olivier Delannoy </span> <a name="l00005"></a>00005 <span class="comment"></span> <a name="l00006"></a>00006 <span class="comment"> purpose: Definition of PNGImageContext methods </span> <a name="l00007"></a>00007 <span class="comment">*************************************************************************/</span> <a name="l00008"></a>00008 <span class="comment">/***************************************************************************</span> <a name="l00009"></a>00009 <span class="comment"> * Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team</span> <a name="l00010"></a>00010 <span class="comment"> *</span> <a name="l00011"></a>00011 <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining</span> <a name="l00012"></a>00012 <span class="comment"> * a copy of this software and associated documentation files (the</span> <a name="l00013"></a>00013 <span class="comment"> * "Software"), to deal in the Software without restriction, including</span> <a name="l00014"></a>00014 <span class="comment"> * without limitation the rights to use, copy, modify, merge, publish,</span> <a name="l00015"></a>00015 <span class="comment"> * distribute, sublicense, and/or sell copies of the Software, and to</span> <a name="l00016"></a>00016 <span class="comment"> * permit persons to whom the Software is furnished to do so, subject to</span> <a name="l00017"></a>00017 <span class="comment"> * the following conditions:</span> <a name="l00018"></a>00018 <span class="comment"> *</span> <a name="l00019"></a>00019 <span class="comment"> * The above copyright notice and this permission notice shall be</span> <a name="l00020"></a>00020 <span class="comment"> * included in all copies or substantial portions of the Software.</span> <a name="l00021"></a>00021 <span class="comment"> *</span> <a name="l00022"></a>00022 <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span> <a name="l00023"></a>00023 <span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span> <a name="l00024"></a>00024 <span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.</span> <a name="l00025"></a>00025 <span class="comment"> * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR</span> <a name="l00026"></a>00026 <span class="comment"> * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,</span> <a name="l00027"></a>00027 <span class="comment"> * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR</span> <a name="l00028"></a>00028 <span class="comment"> * OTHER DEALINGS IN THE SOFTWARE.</span> <a name="l00029"></a>00029 <span class="comment"> ***************************************************************************/</span> <a name="l00030"></a>00030 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span> <a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span> <a name="l00032"></a>00032 <span class="preprocessor">#endif</span> <a name="l00033"></a>00033 <span class="preprocessor"></span> <a name="l00034"></a>00034 <span class="preprocessor">#include "loaders/SILLYPNGImageContext.h"</span> <a name="l00035"></a>00035 <a name="l00036"></a>00036 <span class="preprocessor">#ifndef SILLY_OPT_INLINE</span> <a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define inline </span> <a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include "loaders/SILLYPNGImageContext.icpp"</span> <a name="l00039"></a>00039 <span class="preprocessor">#undef inline</span> <a name="l00040"></a>00040 <span class="preprocessor"></span><span class="preprocessor">#endif</span> <a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#include <string.h></span> <a name="l00042"></a>00042 <a name="l00043"></a>00043 <span class="comment">// Start section of namespace SILLY</span> <a name="l00044"></a>00044 <span class="keyword">namespace </span>SILLY <a name="l00045"></a>00045 { <a name="l00046"></a><a class="code" href="a00122.html#f0250cadc8e2bb1ced78237e5d08b335">00046</a> <span class="keywordtype">int</span> <a class="code" href="a00122.html#f0250cadc8e2bb1ced78237e5d08b335">PNGImageContext::read</a>(png_bytep data, png_size_t length) <a name="l00047"></a>00047 { <a name="l00048"></a>00048 <span class="comment">//printf("PNG Read: %d bytes offset: %d, size %d\n", </span> <a name="l00049"></a>00049 <span class="comment">// length, d_offset, d_data->getSize());</span> <a name="l00050"></a>00050 <a name="l00051"></a>00051 <span class="keywordflow">if</span> (d_offset + length > d_data-><a class="code" href="a00113.html#4dad7813125c98765472a1229c8e619b">getSize</a>()) <a name="l00052"></a>00052 <span class="keywordflow">return</span> -1; <a name="l00053"></a>00053 memcpy(data, d_data-><a class="code" href="a00113.html#6934c681732d2bd45de2488da4cfcc18">getDataPtr</a>() + d_offset, length); <a name="l00054"></a>00054 d_offset += length; <a name="l00055"></a>00055 <span class="keywordflow">return</span> length; <a name="l00056"></a>00056 } <a name="l00057"></a>00057 <a name="l00058"></a>00058 <a name="l00059"></a><a class="code" href="a00122.html#e18f2aab7f640698ac2e7f5136ae16cf">00059</a> <a class="code" href="a00122.html#e18f2aab7f640698ac2e7f5136ae16cf">PNGImageContext::PNGImageContext</a>(<a class="code" href="a00113.html">DataSource</a>* data) <a name="l00060"></a>00060 : <a class="code" href="a00116.html">ImageContext</a>(0,0), d_offset(0), d_data(data), d_png_ptr(0), d_info_ptr(0) <a name="l00061"></a>00061 { <a name="l00062"></a>00062 <a name="l00063"></a>00063 } <a name="l00064"></a>00064 <a name="l00065"></a><a class="code" href="a00122.html#0b92a605ef906f2a4c5177d58729ff8d">00065</a> <a class="code" href="a00122.html#0b92a605ef906f2a4c5177d58729ff8d">PNGImageContext::~PNGImageContext</a>() <a name="l00066"></a>00066 { <a name="l00067"></a>00067 <span class="keywordflow">if</span> (d_info_ptr) <a name="l00068"></a>00068 png_destroy_read_struct(&d_png_ptr, &d_info_ptr, 0); <a name="l00069"></a>00069 <span class="keywordflow">if</span> (d_png_ptr) <a name="l00070"></a>00070 png_destroy_read_struct(&d_png_ptr, 0, 0); <a name="l00071"></a>00071 } <a name="l00072"></a>00072 <a name="l00073"></a>00073 <a name="l00074"></a>00074 <span class="keywordtype">void</span> PNGImageContext::setImageSize() <a name="l00075"></a>00075 { <a name="l00076"></a>00076 <a class="code" href="a00116.html#22b02fe8123a5dbe6bb55bd1b8dbd488">setWidth</a>(png_get_image_width(d_png_ptr, d_info_ptr)); <a name="l00077"></a>00077 <a class="code" href="a00116.html#8bc8c024faf6383c341736e66ee7ad8d">setHeight</a>(png_get_image_height(d_png_ptr, d_info_ptr)); <a name="l00078"></a>00078 <a name="l00079"></a>00079 } <a name="l00080"></a>00080 <a name="l00081"></a>00081 <a name="l00082"></a>00082 } <span class="comment">// End section of namespace SILLY </span> </pre></div><hr size="1"><address style="align: right;"><small>Generated on Sun Nov 5 14:38:42 2006 for Simple Image Loading LibrarY by <a href="http://www.doxygen.org/index.html"> <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.7 </small></address> </body> </html>