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<div class="title">ifdentry.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 - ifdentry.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) 2006-2008 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 <cassert></span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include <string></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"> 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 "endianutils.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 "ifdfilecontainer.h"</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "ifdentry.h"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include "ifd.h"</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">namespace </span><a class="code" href="namespaceOpenRaw.html">OpenRaw</a> {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">namespace </span>Internals {</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> </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  IFDEntry::IFDEntry(uint16_t _id, int16_t _type, </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  int32_t _count, uint32_t _data,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  IFDFileContainer &_container)</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  : m_id(_id), m_type(_type), </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  m_count(_count), m_data(_data), </div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  m_loaded(false), m_dataptr(NULL), </div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  m_container(_container)</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>  }</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> </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  IFDEntry::~IFDEntry()</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordflow">if</span> (m_dataptr) {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  free(m_dataptr);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#a5e657cc2adac3e98ca38a3f429bc38bf">RawContainer::EndianType</a> IFDEntry::endian()<span class="keyword"> const</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword"> </span>{</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> m_container.endian();</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> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div>
<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a53d419b681add2dbff8a1a1eaf55a823"> 60</a></span>  <span class="keywordtype">bool</span> <a class="code" href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a53d419b681add2dbff8a1a1eaf55a823">IFDEntry::loadData</a>(<span class="keywordtype">size_t</span> unit_size)</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>  <span class="keywordtype">bool</span> success = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">size_t</span> data_size = unit_size * m_count;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">if</span> (data_size <= 4) {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  m_dataptr = NULL;</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  success = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  }</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  off_t _offset;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordflow">if</span> (endian() == <a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#a5e657cc2adac3e98ca38a3f429bc38bfab023114f1eb0e429365b606b43337a05">RawContainer::ENDIAN_LITTLE</a>) {</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  _offset = <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint32_t>::EL</a>((uint8_t*)&m_data);</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="keywordflow">else</span> {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  _offset = <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint32_t>::BE</a>((uint8_t*)&m_data);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  m_dataptr = (uint8_t*)realloc(m_dataptr, data_size);</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  success = (m_container.<a class="code" href="classOpenRaw_1_1Internals_1_1RawContainer.html#afe3be35ff4da8fe0eddbf6dd0cb16e46">fetchData</a>(m_dataptr, </div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  _offset, </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  data_size) == data_size);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">return</span> success;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  }</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> uint16_t <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint8_t>::type</a> = IFD::EXIF_FORMAT_BYTE;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint8_t>::size</a> = 1;</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>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keyword">const</span> uint16_t <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint16_t>::type</a> = IFD::EXIF_FORMAT_SHORT;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint16_t>::size</a> = 2;</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> <span class="preprocessor">#if defined(__APPLE_CC__)</span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// Apple broken g++ version or linker seems to choke.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">const</span> uint16_t <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<unsigned long>::type</a> = IFD::EXIF_FORMAT_LONG;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<unsigned long>::size</a> = 4;</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="keyword">const</span> uint16_t <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint32_t>::type</a> = IFD::EXIF_FORMAT_LONG;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<uint32_t>::size</a> = 4;</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>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keyword">const</span> uint16_t <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<std::string>::type</a> = IFD::EXIF_FORMAT_ASCII;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">template</span> <></div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> <a class="code" href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">IFDTypeTrait<std::string>::size</a> = 1;</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> }</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"><div class="ttname"><a href="structOpenRaw_1_1Internals_1_1IFDTypeTrait.html">OpenRaw::Internals::IFDTypeTrait</a></div><div class="ttdef"><b>Definition:</b> <a href="ifdentry_8h_source.html#l00043">ifdentry.h:43</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_1IFDEntry_html_a53d419b681add2dbff8a1a1eaf55a823"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1IFDEntry.html#a53d419b681add2dbff8a1a1eaf55a823">OpenRaw::Internals::IFDEntry::loadData</a></div><div class="ttdeci">bool loadData(size_t unit_size)</div><div class="ttdef"><b>Definition:</b> <a href="ifdentry_8cpp_source.html#l00060">ifdentry.cpp:60</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html_a5e657cc2adac3e98ca38a3f429bc38bfab023114f1eb0e429365b606b43337a05"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html#a5e657cc2adac3e98ca38a3f429bc38bfab023114f1eb0e429365b606b43337a05">OpenRaw::Internals::RawContainer::ENDIAN_LITTLE</a></div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8h_source.html#l00051">rawcontainer.h:51</a></div></div>
<div class="ttc" id="classOpenRaw_1_1Internals_1_1RawContainer_html_a5e657cc2adac3e98ca38a3f429bc38bf"><div class="ttname"><a href="classOpenRaw_1_1Internals_1_1RawContainer.html#a5e657cc2adac3e98ca38a3f429bc38bf">OpenRaw::Internals::RawContainer::EndianType</a></div><div class="ttdeci">EndianType</div><div class="ttdef"><b>Definition:</b> <a href="rawcontainer_8h_source.html#l00048">rawcontainer.h:48</a></div></div>
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