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<div class="title">cr2file.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 - cr2file.cpp</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) 2006-2010 Hubert Figuiere</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Copyright (C) 2008 Novell, Inc.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * This library is free software: you can redistribute it and/or</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * as published by the Free Software Foundation, either version 3 of</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * This library is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * License along with this library. If not, see</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * <http://www.gnu.org/licenses/>.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</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 <boost/scoped_ptr.hpp></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <boost/any.hpp></span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include <libopenraw/libopenraw.h></span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include <libopenraw++/thumbnail.h></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include <libopenraw++/rawdata.h></span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "trace.h"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "io/file.h"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "io/memstream.h"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "ifdfilecontainer.h"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "ifd.h"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "cr2file.h"</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include "jfifcontainer.h"</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "ljpegdecompressor.h"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="preprocessor">#include "rawfilefactory.h"</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">using namespace </span><a class="code" href="namespaceDebug.html">Debug</a>;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword">namespace </span><a class="code" href="namespaceOpenRaw.html">OpenRaw</a> {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">namespace </span>Internals {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">const</span> IFDFile::camera_ids_t Cr2File::s_def[] = {</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  { <span class="stringliteral">"Canon EOS-1D Mark II"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  OR_TYPEID_CANON_1DMKII) },</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  { <span class="stringliteral">"Canon EOS-1D Mark III"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  OR_TYPEID_CANON_1DMKIII) },</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  { <span class="stringliteral">"Canon EOS-1D Mark IV"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  OR_TYPEID_CANON_1DMKIV) },</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  { <span class="stringliteral">"Canon EOS-1Ds Mark II"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  OR_TYPEID_CANON_1DSMKII) },</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  { <span class="stringliteral">"Canon EOS-1Ds Mark III"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  OR_TYPEID_CANON_1DSMKIII) },</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  { <span class="stringliteral">"Canon EOS 20D"</span> , OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  OR_TYPEID_CANON_20D) },</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  { <span class="stringliteral">"Canon EOS 20Da"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  OR_TYPEID_CANON_20DA) },</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  { <span class="stringliteral">"Canon EOS 30D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  OR_TYPEID_CANON_30D) },</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  { <span class="stringliteral">"Canon EOS 350D DIGITAL"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  OR_TYPEID_CANON_350D) }, </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  { <span class="stringliteral">"Canon EOS DIGITAL REBEL XT"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  OR_TYPEID_CANON_350D) }, </div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  { <span class="stringliteral">"Canon EOS 40D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  OR_TYPEID_CANON_40D) },</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  { <span class="stringliteral">"Canon EOS 400D DIGITAL"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  OR_TYPEID_CANON_400D) },</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  { <span class="stringliteral">"Canon EOS 450D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  OR_TYPEID_CANON_450D) },</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  { <span class="stringliteral">"Canon EOS 50D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  OR_TYPEID_CANON_50D) },</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  { <span class="stringliteral">"Canon EOS 500D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  OR_TYPEID_CANON_500D) },</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  { <span class="stringliteral">"Canon EOS 550D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  OR_TYPEID_CANON_550D) },</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  { <span class="stringliteral">"Canon EOS 60D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  OR_TYPEID_CANON_60D) },</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  { <span class="stringliteral">"Canon EOS 1000D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  OR_TYPEID_CANON_1000D) },</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  { <span class="stringliteral">"Canon EOS 5D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  OR_TYPEID_CANON_5D) },</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  { <span class="stringliteral">"Canon EOS 5D Mark II"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  OR_TYPEID_CANON_5DMKII) },</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  { <span class="stringliteral">"Canon EOS 7D"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON,</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  OR_TYPEID_CANON_7D) },</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  { <span class="stringliteral">"Canon PowerShot G9"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON, </div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  OR_TYPEID_CANON_G9) },</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  { <span class="stringliteral">"Canon PowerShot G10"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON, </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  OR_TYPEID_CANON_G11) },</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  { <span class="stringliteral">"Canon PowerShot G11"</span>, OR_MAKE_FILE_TYPEID(OR_TYPEID_VENDOR_CANON, </div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  OR_TYPEID_CANON_G11) },</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  { 0, 0 }</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  };</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  RawFile *Cr2File::factory(IO::Stream * s)</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  {</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> Cr2File(s);</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>  Cr2File::Cr2File(IO::Stream * s)</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  : IFDFile(s, OR_RAWFILE_TYPE_CR2)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  _setIdMap(s_def);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  Cr2File::~Cr2File()</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>  }</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  IFDDir::Ref Cr2File::_locateCfaIfd()</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>  <span class="keywordflow">return</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a20a7b857c8ebd623dfef330f46078ad6">m_container</a>-><a class="code" href="classOpenRaw_1_1Internals_1_1IFDFileContainer.html#ac29bbc7282385093b39358e3cdbe63cb">setDirectory</a>(3);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</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> </div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  IFDDir::Ref Cr2File::_locateMainIfd()</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">return</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a20a7b857c8ebd623dfef330f46078ad6">m_container</a>-><a class="code" href="classOpenRaw_1_1Internals_1_1IFDFileContainer.html#ac29bbc7282385093b39358e3cdbe63cb">setDirectory</a>(0);</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>  ::or_error Cr2File::_getRawData(RawData & data, uint32_t options)</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  ::or_error ret = OR_ERROR_NONE;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span>(!<a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">m_cfaIfd</a>) {</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">m_cfaIfd</a> = _locateCfaIfd();</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  }</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span>(!<a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">m_cfaIfd</a>) {</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"cfa IFD not found\n"</span>;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">return</span> OR_ERROR_NOT_FOUND;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  }</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"_getRawData()\n"</span>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  uint32_t offset = 0;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  uint32_t byte_length = 0;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordtype">bool</span> got_it;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  got_it = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">m_cfaIfd</a>->getValue(IFD::EXIF_TAG_STRIP_OFFSETS, offset);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordflow">if</span>(!got_it) {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"offset not found\n"</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> OR_ERROR_NOT_FOUND;</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>  got_it = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">m_cfaIfd</a>->getValue(IFD::EXIF_TAG_STRIP_BYTE_COUNTS, byte_length);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span>(!got_it) {</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"byte len not found\n"</span>;</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">return</span> OR_ERROR_NOT_FOUND;</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// get the "slicing", tag 0xc640 (3 SHORT)</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::vector<uint16_t> slices;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a> e = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">m_cfaIfd</a>->getEntry(IFD::EXIF_TAG_CR2_SLICE);</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> (e) {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  e->getArray(slices);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"Found slice entry "</span> << slices << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span>(!<a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#af33428e9b42dd1ae6a5f110e4fe9dd89">m_exifIfd</a>) {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#af33428e9b42dd1ae6a5f110e4fe9dd89">m_exifIfd</a> = _locateExifIfd();</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="keywordflow">if</span> (<a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#af33428e9b42dd1ae6a5f110e4fe9dd89">m_exifIfd</a>) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  uint16_t x, y;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  x = 0;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  y = 0;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  got_it = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#af33428e9b42dd1ae6a5f110e4fe9dd89">m_exifIfd</a>->getValue(IFD::EXIF_TAG_PIXEL_X_DIMENSION, x);</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span>(!got_it) {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"X not found\n"</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">return</span> OR_ERROR_NOT_FOUND;</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>  got_it = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#af33428e9b42dd1ae6a5f110e4fe9dd89">m_exifIfd</a>->getValue(IFD::EXIF_TAG_PIXEL_Y_DIMENSION, y);</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span>(!got_it) {</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"Y not found\n"</span>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">return</span> OR_ERROR_NOT_FOUND;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  }</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>  <span class="keywordtype">void</span> *p = data.allocData(byte_length);</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">size_t</span> real_size = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDFile.html#a20a7b857c8ebd623dfef330f46078ad6">m_container</a>-><a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#afe3be35ff4da8fe0eddbf6dd0cb16e46">fetchData</a>(p, offset, </div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  byte_length);</div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">if</span> (real_size < byte_length) {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(WARNING) << <span class="stringliteral">"Size mismatch for data: ignoring.\n"</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  }</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  data.setCfaPattern(OR_CFA_PATTERN_RGGB);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  data.setDataType(OR_DATA_TYPE_COMPRESSED_CFA);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  data.setDimensions(x, y);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"In size is "</span> << data.x() </div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  << <span class="stringliteral">"x"</span> << data.y() << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="comment">// decompress if we need</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="keywordflow">if</span>((options & OR_OPTIONS_DONT_DECOMPRESS) == 0) {</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  boost::scoped_ptr<IO::Stream> s(<span class="keyword">new</span> IO::MemStream(data.data(),</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  data.size()));</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  s->open(); <span class="comment">// TODO check success</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  boost::scoped_ptr<JFIFContainer> jfif(<span class="keyword">new</span> JFIFContainer(s.get(), 0));</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  LJpegDecompressor decomp(s.get(), jfif.get());</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="comment">// in fact on Canon CR2 files slices either do not exists</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// or is 3.</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="keywordflow">if</span>(slices.size() > 1) {</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  decomp.setSlices(slices); </div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  RawData *dData = decomp.decompress();</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordflow">if</span> (dData != NULL) {</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"Out size is "</span> << dData->x() </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  << <span class="stringliteral">"x"</span> << dData->y() << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// must re-set the cfaPattern</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  dData->setCfaPattern(data.cfaPattern());</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  data.swap(*dData);</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="keyword">delete</span> dData;</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>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(ERROR) << <span class="stringliteral">"unable to find ExifIFD\n"</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  ret = OR_ERROR_NOT_FOUND;</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  }</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  }</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span> </div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span> </div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  }</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</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_1IFDFile_html_a20a7b857c8ebd623dfef330f46078ad6"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDFile.html#a20a7b857c8ebd623dfef330f46078ad6">OpenRaw::Internals::IFDFile::m_container</a></div><div class="ttdeci">IFDFileContainer * m_container</div><div class="ttdef"><b>Definition:</b> <a href="ifdfile_8h_source.html#l00095">ifdfile.h:95</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html_afe3be35ff4da8fe0eddbf6dd0cb16e46"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html#afe3be35ff4da8fe0eddbf6dd0cb16e46">OpenRaw::Internals::RawContainer::fetchData</a></div><div class="ttdeci">size_t fetchData(void *buf, const off_t offset, const size_t buf_size)</div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8cpp_source.html#l00178">rawcontainer.cpp:178</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDFileContainer_html_ac29bbc7282385093b39358e3cdbe63cb"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDFileContainer.html#ac29bbc7282385093b39358e3cdbe63cb">OpenRaw::Internals::IFDFileContainer::setDirectory</a></div><div class="ttdeci">IFDDir::Ref setDirectory(int dir)</div><div class="ttdef"><b>Definition:</b> <a href="ifdfilecontainer_8cpp_source.html#l00096">ifdfilecontainer.cpp:96</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="classOpenRaw_1_1Internals_1_1IFDFile_html_a72dfa808a9c5f16fc8e5bb91efed87b7"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDFile.html#a72dfa808a9c5f16fc8e5bb91efed87b7">OpenRaw::Internals::IFDFile::m_cfaIfd</a></div><div class="ttdeci">IFDDir::Ref m_cfaIfd</div><div class="ttdef"><b>Definition:</b> <a href="ifdfile_8h_source.html#l00105">ifdfile.h:105</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_1Internals_1_1IFDEntry_html_a70f0bb2f502478b2a46de2ed76b21fdf"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">OpenRaw::Internals::IFDEntry::Ref</a></div><div class="ttdeci">boost::shared_ptr< IFDEntry > Ref</div><div class="ttdef"><b>Definition:</b> <a href="ifdentry_8h_source.html#l00122">ifdentry.h:122</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDFile_html_af33428e9b42dd1ae6a5f110e4fe9dd89"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDFile.html#af33428e9b42dd1ae6a5f110e4fe9dd89">OpenRaw::Internals::IFDFile::m_exifIfd</a></div><div class="ttdeci">IFDDir::Ref m_exifIfd</div><div class="ttdef"><b>Definition:</b> <a href="ifdfile_8h_source.html#l00110">ifdfile.h:110</a></div></div>
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