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<div class="title">ifddir.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 - ifddir.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) 2006-2007 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 <libopenraw/types.h></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "trace.h"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "exception.h"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "ifd.h"</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include "io/stream.h"</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include "ifdfilecontainer.h"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "ifddir.h"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">using namespace </span><a class="code" href="namespaceDebug.html">Debug</a>;</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> <span class="keyword">namespace </span><a class="code" href="namespaceOpenRaw.html">OpenRaw</a> {</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="keyword">namespace </span>Internals {</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keywordtype">bool</span> IFDDir::isPrimary::operator()(<span class="keyword">const</span> Ref &dir)</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  {</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  uint32_t subtype = 1; </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordflow">return</span> dir->getValue(IFD::EXIF_TAG_NEW_SUBFILE_TYPE, subtype)</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  && (subtype == 0);</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> </div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordtype">bool</span> IFDDir::isThumbnail::operator()(<span class="keyword">const</span> Ref &dir)</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  uint32_t subtype = 0; </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keywordflow">return</span> dir->getValue(IFD::EXIF_TAG_NEW_SUBFILE_TYPE, subtype)</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  && (subtype == 1);</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</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"> 51</span>  IFDDir::IFDDir(off_t _offset, IFDFileContainer & _container)</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  : m_offset(_offset), m_container(_container), </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  m_entries()</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</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>  IFDDir::~IFDDir()</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a19de138d98f0905d21332254beba5620"> 63</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a19de138d98f0905d21332254beba5620">IFDDir::load</a>()</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"IFDDir::load() m_offset ="</span> << m_offset << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  int16_t numEntries = 0;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <a class="code" href="classOpenRaw_1_1IO_1_1Stream.html">IO::Stream</a> *file = m_container.file();</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  m_entries.clear();</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  file-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">seek</a>(m_offset, SEEK_SET);</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#aa5e57efcb94f09054932d286681a9834">readInt16</a>(file, numEntries);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">for</span>(int16_t i = 0; i < numEntries; i++) {</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  uint16_t id;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  int16_t type;</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  int32_t count;</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  uint32_t data;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#a3186aca80c61e509d3851515b54a5501">readUInt16</a>(file, <span class="keywordtype">id</span>);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#aa5e57efcb94f09054932d286681a9834">readInt16</a>(file, type);</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#a37fe33cc1be220543742716e91da8b5d">readInt32</a>(file, count);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  file-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#a644cac743aa92c0b2dcc12d82d8356e2">read</a>(&data, 4);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a> entry(<span class="keyword">new</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html">IFDEntry</a>(<span class="keywordtype">id</span>, type, </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  count, data, m_container));</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  m_entries[id] = entry;</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  }</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a> IFDDir::getEntry(uint16_t <span class="keywordtype">id</span>)<span class="keyword"> const</span></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  std::map<uint16_t, IFDEntry::Ref>::const_iterator iter;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  iter = m_entries.find(<span class="keywordtype">id</span>);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">if</span> (iter != m_entries.end()) {</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> iter->second;</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>  <span class="keywordflow">return</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a>((IFDEntry*)NULL);</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"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a74de1b9da5531dfafbf0827f8b4d626e"> 100</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a74de1b9da5531dfafbf0827f8b4d626e">IFDDir::getIntegerValue</a>(uint16_t <span class="keywordtype">id</span>, uint32_t &v)</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="keywordtype">bool</span> success = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a> e = getEntry(<span class="keywordtype">id</span>);</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">if</span> (e != NULL) {</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordflow">switch</span>(e->type())</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>  <span class="keywordflow">case</span> IFD::EXIF_FORMAT_LONG:</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  v = <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html#a6397927515f1bd5f69eb278effaa36da">IFDTypeTrait<uint32_t>::get</a>(*e);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  success = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordflow">case</span> IFD::EXIF_FORMAT_SHORT:</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  v = <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html#a6397927515f1bd5f69eb278effaa36da">IFDTypeTrait<uint16_t>::get</a>(*e);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  success = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">default</span>:</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">break</span>;</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>  }</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::exception & ex) {</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(ERROR) << <span class="stringliteral">"Exception raised "</span> << ex.what() </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  << <span class="stringliteral">" fetch integer value for "</span> << <span class="keywordtype">id</span> << <span class="stringliteral">"\n"</span>;</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>  }</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">return</span> success;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</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> </div>
<div class="line"><a name="l00129"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a6246eb17b40f5736380ff2602415644b"> 129</a></span>  off_t <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a6246eb17b40f5736380ff2602415644b">IFDDir::nextIFD</a>()</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  int16_t numEntries;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="classOpenRaw_1_1IO_1_1Stream.html">IO::Stream</a> *file = m_container.file();</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span>(m_entries.size() == 0) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  file-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">seek</a>(m_offset, SEEK_SET);</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#aa5e57efcb94f09054932d286681a9834">readInt16</a>(file, numEntries);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"numEntries ="</span> << numEntries </div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  << <span class="stringliteral">" shifting "</span> << (numEntries * 12) + 2</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  << <span class="stringliteral">"bytes\n"</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  }</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  numEntries = m_entries.size();</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> </div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  file-><a class="code" href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">seek</a>(m_offset + (numEntries * 12) + 2, SEEK_SET);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  int32_t next;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#a37fe33cc1be220543742716e91da8b5d">readInt32</a>(file, next);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">return</span> next;</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDDir.html#aadf5700501e87011249698fc3ac3076c"> 154</a></span>  IFDDir::Ref <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#aadf5700501e87011249698fc3ac3076c">IFDDir::getSubIFD</a>(uint32_t idx)<span class="keyword"> const</span></div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  std::vector<uint32_t> offsets;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a> e = getEntry(IFD::EXIF_TAG_SUB_IFDS);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">if</span> (e != NULL) {</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  e->getArray(offsets);</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> (idx >= offsets.size()) {</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  Ref ref(<span class="keyword">new</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html">IFDDir</a>(offsets[idx], m_container));</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  ref->load();</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">return</span> ref;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</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>  <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::exception &ex) {</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(ERROR) << <span class="stringliteral">"Exception "</span> << ex.what() << <span class="stringliteral">"\n"</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>  }</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> Ref(static_cast<IFDDir*>(NULL));</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> </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> </div>
<div class="line"><a name="l00175"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a2d25bb6b464817b666c715a227276c66"> 175</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a2d25bb6b464817b666c715a227276c66">IFDDir::getSubIFDs</a>(std::vector<IFDDir::Ref> & ifds) </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  {</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">bool</span> success = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  std::vector<uint32_t> offsets;</div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a70f0bb2f502478b2a46de2ed76b21fdf">IFDEntry::Ref</a> e = getEntry(IFD::EXIF_TAG_SUB_IFDS);</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="keywordflow">if</span> (e != NULL) {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">try</span> {</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  e->getArray(offsets);</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="keywordflow">for</span> (std::vector<uint32_t>::const_iterator iter = offsets.begin();</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  iter != offsets.end(); iter++) {</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  Ref ifd(<span class="keyword">new</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html">IFDDir</a>(*iter, m_container));</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  ifd->load();</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  ifds.push_back(ifd);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  }</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  success = <span class="keyword">true</span>;</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>  <span class="keywordflow">catch</span>(<span class="keyword">const</span> std::exception &ex) {</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(ERROR) << <span class="stringliteral">"Exception "</span> << ex.what() << <span class="stringliteral">"\n"</span>; </div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  }</div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  }</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">return</span> success;</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> </div>
<div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a94547cdbdebb5b953b5414193ecb7a79"> 201</a></span>  IFDDir::Ref <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#a94547cdbdebb5b953b5414193ecb7a79">IFDDir::getExifIFD</a>()</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">bool</span> success = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  uint32_t val_offset = 0;</div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  success = <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html#aa6fa7123fb956b5f57033a17d461cefb">getValue</a>(IFD::EXIF_TAG_EXIF_IFD_POINTER, val_offset);</div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordflow">if</span> (success) {</div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"Exif IFD offset (uncorrected) = "</span> << val_offset </div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  val_offset += m_container.exifOffsetCorrection();</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"Exif IFD offset = "</span> << val_offset << <span class="stringliteral">"\n"</span>;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  Ref ref(<span class="keyword">new</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDDir.html">IFDDir</a>(val_offset, m_container));</div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  ref->load();</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordflow">return</span> ref;</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>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="code" href="classDebug_1_1Trace.html">Trace</a>(DEBUG1) << <span class="stringliteral">"Exif IFD offset not found.\n"</span>; </div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  }</div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> Ref(static_cast<IFDDir*>(NULL));</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  }</div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span> }</div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</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="structOpenRaw_1_1Internals_1_1IFDTypeTrait_html_a6397927515f1bd5f69eb278effaa36da"><div class="ttname"><a href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html#a6397927515f1bd5f69eb278effaa36da">OpenRaw::Internals::IFDTypeTrait::get</a></div><div class="ttdeci">static T get(IFDEntry &e, uint32_t idx=0, bool ignore_type=false)</div><div class="ttdef"><b>Definition:</b> <a href="ifdentry_8h_source.html#l00211">ifdentry.h:211</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDDir_html_a19de138d98f0905d21332254beba5620"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#a19de138d98f0905d21332254beba5620">OpenRaw::Internals::IFDDir::load</a></div><div class="ttdeci">bool load()</div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8cpp_source.html#l00063">ifddir.cpp:63</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDDir_html_a74de1b9da5531dfafbf0827f8b4d626e"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#a74de1b9da5531dfafbf0827f8b4d626e">OpenRaw::Internals::IFDDir::getIntegerValue</a></div><div class="ttdeci">bool getIntegerValue(uint16_t id, uint32_t &v)</div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8cpp_source.html#l00100">ifddir.cpp:100</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html_aa5e57efcb94f09054932d286681a9834"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html#aa5e57efcb94f09054932d286681a9834">OpenRaw::Internals::RawContainer::readInt16</a></div><div class="ttdeci">bool readInt16(IO::Stream *f, int16_t &v)</div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8cpp_source.html#l00077">rawcontainer.cpp:77</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDDir_html_a94547cdbdebb5b953b5414193ecb7a79"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#a94547cdbdebb5b953b5414193ecb7a79">OpenRaw::Internals::IFDDir::getExifIFD</a></div><div class="ttdeci">Ref getExifIFD()</div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8cpp_source.html#l00201">ifddir.cpp:201</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html_a3186aca80c61e509d3851515b54a5501"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html#a3186aca80c61e509d3851515b54a5501">OpenRaw::Internals::RawContainer::readUInt16</a></div><div class="ttdeci">bool readUInt16(IO::Stream *f, uint16_t &v)</div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8cpp_source.html#l00128">rawcontainer.cpp:128</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_1IFDDir_html_a2d25bb6b464817b666c715a227276c66"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#a2d25bb6b464817b666c715a227276c66">OpenRaw::Internals::IFDDir::getSubIFDs</a></div><div class="ttdeci">bool getSubIFDs(std::vector< IFDDir::Ref > &ifds)</div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8cpp_source.html#l00175">ifddir.cpp:175</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDDir_html"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html">OpenRaw::Internals::IFDDir</a></div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8h_source.html#l00037">ifddir.h:37</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDDir_html_a6246eb17b40f5736380ff2602415644b"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#a6246eb17b40f5736380ff2602415644b">OpenRaw::Internals::IFDDir::nextIFD</a></div><div class="ttdeci">off_t nextIFD()</div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8cpp_source.html#l00129">ifddir.cpp:129</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDDir_html_aadf5700501e87011249698fc3ac3076c"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#aadf5700501e87011249698fc3ac3076c">OpenRaw::Internals::IFDDir::getSubIFD</a></div><div class="ttdeci">Ref getSubIFD(uint32_t idx=0) const </div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8cpp_source.html#l00154">ifddir.cpp:154</a></div></div>
<div class="ttc" id="classOpenRaw_1_1IO_1_1Stream_html_af3f62e12445433f96b060446130f11f7"><div class="ttname"><a href="classOpenRaw_1_1IO_1_1Stream.html#af3f62e12445433f96b060446130f11f7">OpenRaw::IO::Stream::seek</a></div><div class="ttdeci">virtual int seek(off_t offset, int whence)=0</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="classOpenRaw_1_1Internals_1_1IFDDir_html_aa6fa7123fb956b5f57033a17d461cefb"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDDir.html#aa6fa7123fb956b5f57033a17d461cefb">OpenRaw::Internals::IFDDir::getValue</a></div><div class="ttdeci">bool getValue(uint16_t id, T &v) const </div><div class="ttdef"><b>Definition:</b> <a href="ifddir_8h_source.html#l00075">ifddir.h:75</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1IFDEntry_html"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDEntry.html">OpenRaw::Internals::IFDEntry</a></div><div class="ttdef"><b>Definition:</b> <a href="ifdentry_8h_source.html#l00118">ifdentry.h:118</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html_a37fe33cc1be220543742716e91da8b5d"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html#a37fe33cc1be220543742716e91da8b5d">OpenRaw::Internals::RawContainer::readInt32</a></div><div class="ttdeci">bool readInt32(IO::Stream *f, int32_t &v)</div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8cpp_source.html#l00101">rawcontainer.cpp:101</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>
<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>
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