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<div class="title">geo_keyp.h</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"> *</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * geo_keyp.h - private interface for GeoTIFF geokey tag parsing</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * Written by: Niles D. Ritter</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"> **********************************************************************/</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef __geo_keyp_h_</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define __geo_keyp_h_</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <stdlib.h></span> <span class="comment">/* for size_t */</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * This structure contains the internal program</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * representation of the key entry.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="structGeoKey.html"> 18</a></span> <span class="keyword">struct </span><a class="code" href="structGeoKey.html">GeoKey</a> {</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordtype">int</span> gk_key; <span class="comment">/* GeoKey ID */</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordtype">size_t</span> gk_size; <span class="comment">/* data byte size */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  tagtype_t gk_type; <span class="comment">/* TIFF data type */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keywordtype">long</span> gk_count; <span class="comment">/* number of values */</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keywordtype">char</span>* gk_data; <span class="comment">/* pointer to data, or value */</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="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structGeoKey.html">GeoKey</a> <a class="code" href="structGeoKey.html">GeoKey</a>;</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * This structure represents the file-organization of</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> * the key entry. Note that it assumes that short entries</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"> * are aligned along 2-byte boundaries.</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structKeyEntry.html"> 32</a></span> <span class="keyword">struct </span><a class="code" href="structKeyEntry.html">KeyEntry</a> {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  pinfo_t ent_key; <span class="comment">/* GeoKey ID */</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  pinfo_t ent_location; <span class="comment">/* TIFF Tag ID or 0 */</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  pinfo_t ent_count; <span class="comment">/* GeoKey value count */</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  pinfo_t ent_val_offset; <span class="comment">/* value or tag offset */</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">typedef</span> <span class="keyword">struct </span><a class="code" href="structKeyEntry.html">KeyEntry</a> <a class="code" href="structKeyEntry.html">KeyEntry</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="comment">/*</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment"> * This is the header of the CoordSystemInfoTag. The 'Version'</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment"> * will only change if the CoorSystemInfoTag structure changes;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> * The Major Revision will be incremented whenever a new set of</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> * Keys is added or changed, while the Minor revision will be</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> * incremented when only the set of Key-values is increased.</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="structKeyHeader.html"> 47</a></span> <span class="keyword">struct </span><a class="code" href="structKeyHeader.html">KeyHeader</a>{</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  pinfo_t hdr_version; <span class="comment">/* GeoTIFF Version */</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  pinfo_t hdr_rev_major; <span class="comment">/* GeoKey Major Revision # */</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  pinfo_t hdr_rev_minor; <span class="comment">/* GeoKey Minor Revision # */</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  pinfo_t hdr_num_keys; <span class="comment">/* Number of GeoKeys */</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> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structKeyHeader.html">KeyHeader</a> <a class="code" href="structKeyHeader.html">KeyHeader</a>;</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> <span class="comment">/*</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment"> * This structure holds temporary data while reading or writing</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"> * the tags.</span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="structTempKeyData.html"> 59</a></span> <span class="keyword">struct </span><a class="code" href="structTempKeyData.html">TempKeyData</a> {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">char</span> *tk_asciiParams;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">int</span> tk_asciiParamsLength;</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordtype">int</span> tk_asciiParamsOffset;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> };</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structTempKeyData.html">TempKeyData</a> <a class="code" href="structTempKeyData.html">TempKeyData</a>;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="structgtiff.html"> 67</a></span> <span class="keyword">struct </span><a class="code" href="structgtiff.html">gtiff</a> {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  tiff_t* gt_tif; <span class="comment">/* TIFF file descriptor */</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keyword">struct </span><a class="code" href="struct__TIFFMethod.html">_TIFFMethod</a> gt_methods; <span class="comment">/* TIFF i/o methods */</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">int</span> gt_flags; <span class="comment">/* file flags */</span></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>  pinfo_t gt_version; <span class="comment">/* GeoTIFF Version */</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  pinfo_t gt_rev_major;<span class="comment">/* GeoKey Key Revision */</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  pinfo_t gt_rev_minor;<span class="comment">/* GeoKey Code Revision */</span></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>  <span class="keywordtype">int</span> gt_num_keys; <span class="comment">/* number of keys */</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="structGeoKey.html">GeoKey</a>* gt_keys; <span class="comment">/* array of keys */</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span>* gt_keyindex; <span class="comment">/* index of a key, if set*/</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordtype">int</span> gt_keymin; <span class="comment">/* smallest key set */</span></div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keywordtype">int</span> gt_keymax; <span class="comment">/* largest key set */</span></div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  pinfo_t* gt_short; <span class="comment">/* array of SHORT vals */</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">double</span>* gt_double; <span class="comment">/* array of DOUBLE vals */</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">int</span> gt_nshorts; <span class="comment">/* number of SHORT vals */</span></div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordtype">int</span> gt_ndoubles; <span class="comment">/* number of DOUBLE vals */</span></div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</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> <span class="keyword">typedef</span> <span class="keyword">enum</span> {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  FLAG_FILE_OPEN=1,</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  FLAG_FILE_MODIFIED=2</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> } gtiff_flags;</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> <span class="preprocessor">#define MAX_KEYINDEX 65535 </span><span class="comment">/* largest possible key */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor">#define MAX_KEYS 100 </span><span class="comment">/* maximum keys in a file */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="preprocessor">#define MAX_VALUES 1000 </span><span class="comment">/* maximum values in a tag */</span><span class="preprocessor"></span></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="preprocessor">#endif </span><span class="comment">/* __geo_keyp_h_ */</span><span class="preprocessor"></span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div>
<div class="ttc" id="structTempKeyData_html"><div class="ttname"><a href="structTempKeyData.html">TempKeyData</a></div><div class="ttdef"><b>Definition:</b> geo_keyp.h:59</div></div>
<div class="ttc" id="struct__TIFFMethod_html"><div class="ttname"><a href="struct__TIFFMethod.html">_TIFFMethod</a></div><div class="ttdef"><b>Definition:</b> geo_tiffp.h:87</div></div>
<div class="ttc" id="structKeyEntry_html"><div class="ttname"><a href="structKeyEntry.html">KeyEntry</a></div><div class="ttdef"><b>Definition:</b> geo_keyp.h:32</div></div>
<div class="ttc" id="structgtiff_html"><div class="ttname"><a href="structgtiff.html">gtiff</a></div><div class="ttdef"><b>Definition:</b> geo_keyp.h:67</div></div>
<div class="ttc" id="structKeyHeader_html"><div class="ttname"><a href="structKeyHeader.html">KeyHeader</a></div><div class="ttdef"><b>Definition:</b> geo_keyp.h:47</div></div>
<div class="ttc" id="structGeoKey_html"><div class="ttname"><a href="structGeoKey.html">GeoKey</a></div><div class="ttdef"><b>Definition:</b> geo_keyp.h:18</div></div>
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