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<div class="title">jfifcontainer.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * libopenraw - jfifcontainer.h</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2006-2007 Hubert Figuiere</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software: you can redistribute it and/or</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * as published by the Free Software Foundation, either version 3 of</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * License along with this library. If not, see</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include <setjmp.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <cstdio></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="namespaceJPEG.html"> 25</a></span> <span class="keyword">namespace </span><a class="code" href="namespaceJPEG.html">JPEG</a> {</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="comment">/*</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * The extern "C" below is REQUIRED for libjpeg-mmx-dev</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * as found on debian because some people have this installed.</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <jpeglib.h></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  }</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> }</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <string.h></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include <libopenraw++/bitmapdata.h></span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "io/stream.h"</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "trace.h"</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "jfifcontainer.h"</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">namespace </span><a class="code" href="namespaceOpenRaw.html">OpenRaw</a> {</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">using namespace </span><a class="code" href="namespaceDebug.html">Debug</a>;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">namespace </span>Internals {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="preprocessor"> #define BUF_SIZE 1024</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html"> 51</a></span>  <span class="keyword">typedef</span> <span class="keyword">struct </span>{</div>
<div class="line"><a name="l00052"></a><span class="lineno"><a class="line" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8"> 52</a></span>  <span class="keyword">struct </span>JPEG::jpeg_source_mgr pub; </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#ae0d987f18aa011b06cd3cf87ac366a96"> 53</a></span>  <a class="code" href="classOpenRaw_1_1Internals_1_1JFIFContainer.html">JFIFContainer</a> * <span class="keyword">self</span>; </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  off_t offset;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  JPEG::JOCTET* buf;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  } <a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html">jpeg_src_t</a>;</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  JFIFContainer::JFIFContainer(<a class="code" href="classOpenRaw_1_1IO_1_1Stream.html">IO::Stream</a> *_file, off_t offset)</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  : <a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html">RawContainer</a>(_file, offset),</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  m_cinfo(), m_jerr(),</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  m_headerLoaded(false)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  setEndian(ENDIAN_BIG);</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">/* this is a hack because jpeg_create_decompress is</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="comment"> * implemented as a Macro </span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">using namespace </span><a class="code" href="namespaceJPEG.html">JPEG</a>;</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  m_cinfo.err = JPEG::jpeg_std_error(&m_jerr);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  m_jerr.error_exit = &j_error_exit;</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  JPEG::jpeg_create_decompress(&m_cinfo);</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="comment">/* inspired by jdatasrc.c */</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html">jpeg_src_t</a> *src = (<a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html">jpeg_src_t</a> *)</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  (*m_cinfo.mem->alloc_small)((JPEG::j_common_ptr)&m_cinfo, </div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  JPOOL_PERMANENT,</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keyword">sizeof</span>(<a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html">jpeg_src_t</a>));</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  m_cinfo.src = (JPEG::jpeg_source_mgr*)src;</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.init_source = j_init_source;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.fill_input_buffer = j_fill_input_buffer;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.skip_input_data = j_skip_input_data;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.resync_to_restart = JPEG::jpeg_resync_to_restart;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.term_source = j_term_source;</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#ae0d987f18aa011b06cd3cf87ac366a96">self</a> = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.bytes_in_buffer = 0;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  src-><a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">pub</a>.next_input_byte = NULL;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  src->buf = (JPEG::JOCTET*)(*m_cinfo.mem->alloc_small)</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  ((JPEG::j_common_ptr)&m_cinfo, </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  JPOOL_PERMANENT,</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  BUF_SIZE * <span class="keyword">sizeof</span>(JPEG::JOCTET));</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1JFIFContainer.html#a301bcd4c8f40032eee63c999baa666fe"> 94</a></span>  <a class="code" href="classOpenRaw_1_1Internals_1_1JFIFContainer.html#a301bcd4c8f40032eee63c999baa666fe">JFIFContainer::~JFIFContainer</a>()</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  {</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  JPEG::jpeg_destroy_decompress(&m_cinfo);</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">bool</span> JFIFContainer::getDimensions(uint32_t &x, uint32_t &y)</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keywordflow">if</span>(!m_headerLoaded) {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (_loadHeader() == 0) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"load header failed\n"</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  }</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  x = m_cinfo.output_width;</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  y = m_cinfo.output_height;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  }</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordtype">bool</span> JFIFContainer::getDecompressedData(BitmapData &data)</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">if</span>(!m_headerLoaded) {</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> (_loadHeader() == 0) {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"load header failed\n"</span>;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  }</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">if</span> (::setjmp(m_jpegjmp) != 0) {</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  JPEG::jpeg_start_decompress(&m_cinfo);</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordtype">int</span> row_size = m_cinfo.output_width * m_cinfo.output_components; </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">char</span> *dataPtr = (<span class="keywordtype">char</span>*)data.allocData(row_size * m_cinfo.output_height);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordtype">char</span> *currentPtr = dataPtr;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  JPEG::JSAMPARRAY buffer = (*m_cinfo.mem->alloc_sarray)((JPEG::j_common_ptr)&m_cinfo, </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  JPOOL_IMAGE, row_size, </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  1); </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">while</span> (m_cinfo.output_scanline < m_cinfo.output_height) { </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  jpeg_read_scanlines(&m_cinfo, buffer, 1); </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  memcpy(currentPtr, buffer, row_size);</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  currentPtr += row_size;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  }</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  data.setDimensions(m_cinfo.output_width, m_cinfo.output_height);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  JPEG::jpeg_finish_decompress(&m_cinfo);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">int</span> JFIFContainer::_loadHeader()</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordtype">int</span> ret = 0;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (::setjmp(m_jpegjmp) == 0) {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  ret = JPEG::jpeg_read_header(&m_cinfo, TRUE);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="comment">//Trace(DEBUG1) << "jpeg_read_header " << ret << "\n";</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  JPEG::jpeg_calc_output_dimensions(&m_cinfo);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  m_headerLoaded = (ret == 1);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">void</span> JFIFContainer::j_error_exit(JPEG::j_common_ptr cinfo)</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  (*cinfo->err->output_message) (cinfo);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  JFIFContainer *<span class="keyword">self</span> = ((jpeg_src_t *)(((JPEG::j_decompress_ptr)cinfo)->src))-><span class="keyword">self</span>;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  ::longjmp(<a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#ae0d987f18aa011b06cd3cf87ac366a96">self</a>->m_jpegjmp, 1);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  }</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordtype">void</span> JFIFContainer::j_init_source(JPEG::j_decompress_ptr)</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  {</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  JPEG::boolean </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  JFIFContainer::j_fill_input_buffer(JPEG::j_decompress_ptr cinfo)</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  {</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  jpeg_src_t *src = (jpeg_src_t*)cinfo->src;</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  JFIFContainer *<span class="keyword">self</span> = src->self;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">int</span> n = <a class="code" href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#ae0d987f18aa011b06cd3cf87ac366a96">self</a>->file()-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#a644cac743aa92c0b2dcc12d82d8356e2">read</a>(src->buf, BUF_SIZE * <span class="keyword">sizeof</span>(*src->buf));</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (n >= 0) {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  src->pub.next_input_byte = src->buf;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  src->pub.bytes_in_buffer = n;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  src->pub.next_input_byte = NULL;</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  src->pub.bytes_in_buffer = 0;</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  }</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="keywordflow">return</span> TRUE;</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> </div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keywordtype">void</span> JFIFContainer::j_skip_input_data(JPEG::j_decompress_ptr cinfo, </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordtype">long</span> num_bytes)</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  {</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  jpeg_src_t *src = (jpeg_src_t*)cinfo->src;</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  if (num_bytes > 0) {</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">while</span> ((<span class="keywordtype">size_t</span>)num_bytes > src->pub.bytes_in_buffer) {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  num_bytes -= src->pub.bytes_in_buffer;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  j_fill_input_buffer(cinfo);</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  }</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  src->pub.next_input_byte += (size_t) num_bytes;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  src->pub.bytes_in_buffer -= (size_t) num_bytes; </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  }</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  }</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keywordtype">void</span> JFIFContainer::j_term_source(JPEG::j_decompress_ptr)</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  {</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  }</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span> </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  }</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> }</div>
<div class="ttc" id="namespaceOpenRaw_html"><div class="ttname"><a href="namespaceOpenRaw.html">OpenRaw</a></div><div class="ttdoc">CIFF is the container for CRW files. It is an attempt from Canon to make this a standard. I guess it failed. </div><div class="ttdef"><b>Definition:</b> <a href="arwfile_8cpp_source.html#l00033">arwfile.cpp:33</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1JFIFContainer_html"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1JFIFContainer.html">OpenRaw::Internals::JFIFContainer</a></div><div class="ttdef"><b>Definition:</b> <a href="jfifcontainer_8h_source.html#l00050">jfifcontainer.h:50</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html">OpenRaw::Internals::RawContainer</a></div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8h_source.html#l00044">rawcontainer.h:44</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1JFIFContainer_html_a301bcd4c8f40032eee63c999baa666fe"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1JFIFContainer.html#a301bcd4c8f40032eee63c999baa666fe">OpenRaw::Internals::JFIFContainer::~JFIFContainer</a></div><div class="ttdeci">virtual ~JFIFContainer()</div><div class="ttdef"><b>Definition:</b> <a href="jfifcontainer_8cpp_source.html#l00094">jfifcontainer.cpp:94</a></div></div>
<div class="ttc" id="classDebug_1_1Trace_html"><div class="ttname"><a href="classDebug_1_1Trace.html">Debug::Trace</a></div><div class="ttdef"><b>Definition:</b> <a href="trace_8h_source.html#l00037">trace.h:37</a></div></div>
<div class="ttc" id="structOpenRaw_1_1Internals_1_1jpeg__src__t_html_a4dce670164419630ef7d270a0a011ab8"><div class="ttname"><a href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#a4dce670164419630ef7d270a0a011ab8">OpenRaw::Internals::jpeg_src_t::pub</a></div><div class="ttdeci">struct JPEG::jpeg_source_mgr pub</div><div class="ttdef"><b>Definition:</b> <a href="jfifcontainer_8cpp_source.html#l00052">jfifcontainer.cpp:52</a></div></div>
<div class="ttc" id="namespaceJPEG_html"><div class="ttname"><a href="namespaceJPEG.html">JPEG</a></div><div class="ttdoc">a JPEG container </div><div class="ttdef"><b>Definition:</b> <a href="jfifcontainer_8cpp_source.html#l00025">jfifcontainer.cpp:25</a></div></div>
<div class="ttc" id="structOpenRaw_1_1Internals_1_1jpeg__src__t_html"><div class="ttname"><a href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html">OpenRaw::Internals::jpeg_src_t</a></div><div class="ttdef"><b>Definition:</b> <a href="jfifcontainer_8cpp_source.html#l00051">jfifcontainer.cpp:51</a></div></div>
<div class="ttc" id="namespaceDebug_html"><div class="ttname"><a href="namespaceDebug.html">Debug</a></div><div class="ttdef"><b>Definition:</b> <a href="trace_8cpp_source.html#l00028">trace.cpp:28</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1Stream_html_a644cac743aa92c0b2dcc12d82d8356e2"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1Stream.html#a644cac743aa92c0b2dcc12d82d8356e2">OpenRaw::IO::Stream::read</a></div><div class="ttdeci">virtual int read(void *buf, size_t count)=0</div></div>
<div class="ttc" id="structOpenRaw_1_1Internals_1_1jpeg__src__t_html_ae0d987f18aa011b06cd3cf87ac366a96"><div class="ttname"><a href="structOpenRaw_1_1Internals_1_1jpeg__src__t.html#ae0d987f18aa011b06cd3cf87ac366a96">OpenRaw::Internals::jpeg_src_t::self</a></div><div class="ttdeci">JFIFContainer * self</div><div class="ttdef"><b>Definition:</b> <a href="jfifcontainer_8cpp_source.html#l00053">jfifcontainer.cpp:53</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1Stream_html"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1Stream.html">OpenRaw::IO::Stream</a></div><div class="ttdoc">base virtual class for IO </div><div class="ttdef"><b>Definition:</b> <a href="stream_8h_source.html#l00040">stream.h:40</a></div></div>
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