1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xmlns="http://www.w3.org/1999/xhtml"> 3<head> 4<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> 5<meta http-equiv="X-UA-Compatible" content="IE=9"/> 6<meta name="generator" content="Doxygen 1.8.14"/> 7<meta name="viewport" content="width=device-width, initial-scale=1"/> 8<title>Magick++: Pixels.cpp Source File</title> 9<link href="tabs.css" rel="stylesheet" type="text/css"/> 10<script type="text/javascript" src="jquery.js"></script> 11<script type="text/javascript" src="dynsections.js"></script> 12<link href="navtree.css" rel="stylesheet" type="text/css"/> 13<script type="text/javascript" src="resize.js"></script> 14<script type="text/javascript" src="navtreedata.js"></script> 15<script type="text/javascript" src="navtree.js"></script> 16<script type="text/javascript"> 17/* @license 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type="text/javascript"> 51/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */ 52$(document).ready(function(){initNavTree('Pixels_8cpp_source.html','');}); 53/* @license-end */ 54</script> 55<div id="doc-content"> 56<div class="header"> 57 <div class="headertitle"> 58<div class="title">Pixels.cpp</div> </div> 59</div><!--header--> 60<div class="contents"> 61<a href="Pixels_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// This may look like C code, but it is really -*- C++ -*-</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">// Copyright Bob Friesenhahn, 1999, 2000, 2001, 2002, 2003</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// Copyright Dirk Lemstra 2013-2015</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">// Pixels Implementation</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"><a class="line" href="Pixels_8cpp.html#a24d8db5449916b4dd0283f5f30a5edc7"> 9</a></span> <span class="preprocessor">#define MAGICKCORE_IMPLEMENTATION 1</span></div><div class="line"><a name="l00010"></a><span class="lineno"><a class="line" href="Pixels_8cpp.html#a99e08660df365803d576005502caf7e5"> 10</a></span> <span class="preprocessor">#define MAGICK_PLUSPLUS_IMPLEMENTATION 1</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 <cstring></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "<a class="code" href="Include_8h.html">Magick++/Include.h</a>"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <string></span> <span class="comment">// This is here to compile with Visual C++</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="Thread_8h.html">Magick++/Thread.h</a>"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="Exception_8h.html">Magick++/Exception.h</a>"</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include "<a class="code" href="Pixels_8h.html">Magick++/Pixels.h</a>"</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="classMagick_1_1Pixels.html#a80578e4115a89951d0ad1e450e2e7a40"> 19</a></span> <a class="code" href="classMagick_1_1Pixels.html#a80578e4115a89951d0ad1e450e2e7a40">Magick::Pixels::Pixels</a>(<a class="code" href="classMagick_1_1Image.html">Magick::Image</a> &image_)</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  : _image(image_),</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  _x(0),</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  _y(0),</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  _columns(0),</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  _rows(0)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  _view=AcquireVirtualCacheView(image_.<a class="code" href="classMagick_1_1Image.html#a649f19aec34b33c85f42396fba98c101">image</a>(),exceptionInfo),</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(image_.<a class="code" href="classMagick_1_1Image.html#ac43f3b1aa720acd96d0326d40453a0fa">quiet</a>());</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</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"><a class="line" href="classMagick_1_1Pixels.html#af6ef403ad3cad9416857ba80a464d3fe"> 31</a></span> <a class="code" href="classMagick_1_1Pixels.html#af6ef403ad3cad9416857ba80a464d3fe">Magick::Pixels::~Pixels</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> {</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keywordflow">if</span> (_view)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  _view=DestroyCacheView(_view);</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> </div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="classMagick_1_1Pixels.html#a4b3e2b201b7fb669dd03b7db926fc308"> 37</a></span> Magick::Quantum* <a class="code" href="classMagick_1_1Pixels.html#a4b3e2b201b7fb669dd03b7db926fc308">Magick::Pixels::get</a>(<span class="keyword">const</span> ssize_t x_,<span class="keyword">const</span> ssize_t y_,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> columns_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> rows_)</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>  _x=x_;</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  _y=y_;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  _columns=columns_;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  _rows=rows_;</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>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  Quantum* pixels=GetCacheViewAuthenticPixels(_view,x_,y_,columns_,rows_,</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  exceptionInfo);</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(_image.quiet());</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>  <span class="keywordflow">return</span> pixels;</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"><a class="line" href="classMagick_1_1Pixels.html#aca8938cec00ebbe67f719f83e0ec9966"> 53</a></span> <span class="keyword">const</span> Magick::Quantum* <a class="code" href="classMagick_1_1Pixels.html#aca8938cec00ebbe67f719f83e0ec9966">Magick::Pixels::getConst</a>(<span class="keyword">const</span> ssize_t x_,</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> ssize_t y_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> columns_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> rows_)</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>  _x=x_;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  _y=y_;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  _columns=columns_;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  _rows=rows_;</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>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">const</span> Quantum* pixels=GetCacheViewVirtualPixels(_view,x_,y_,columns_,rows_,</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  exceptionInfo);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(_image.quiet());</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>  <span class="keywordflow">return</span> pixels;</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> </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classMagick_1_1Pixels.html#a281a3132a541cfae7641dfd385a9b70a"> 69</a></span> ssize_t <a class="code" href="classMagick_1_1Pixels.html#a281a3132a541cfae7641dfd385a9b70a">Magick::Pixels::offset</a>(PixelChannel channel)<span class="keyword"> const</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="keyword"></span>{</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">if</span> (_image.constImage()->channel_map[channel].traits == UndefinedPixelTrait)</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keywordflow">return</span> _image.constImage()->channel_map[channel].offset;</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> }</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classMagick_1_1Pixels.html#aa7891bb0e43dd1b11a119883533ba7ff"> 76</a></span> Magick::Quantum* <a class="code" href="classMagick_1_1Pixels.html#aa7891bb0e43dd1b11a119883533ba7ff">Magick::Pixels::set</a>(<span class="keyword">const</span> ssize_t x_,<span class="keyword">const</span> ssize_t y_,</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">const</span> <span class="keywordtype">size_t</span> columns_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> rows_)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  _x=x_;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  _y=y_;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  _columns=columns_;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  _rows=rows_;</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>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  Quantum* pixels=QueueCacheViewAuthenticPixels(_view,x_,y_,columns_,rows_,</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  exceptionInfo);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(_image.quiet());</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="keywordflow">return</span> pixels;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> }</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"><a class="line" href="classMagick_1_1Pixels.html#ae289745755c3def39646c5a6bc72945e"> 92</a></span> <span class="keywordtype">void</span> <a class="code" href="classMagick_1_1Pixels.html#ae289745755c3def39646c5a6bc72945e">Magick::Pixels::sync</a>(<span class="keywordtype">void</span>)</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> {</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  (void) SyncCacheViewAuthenticPixels(_view,exceptionInfo);</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(_image.quiet());</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> <span class="comment">// Return pixel meta content</span></div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="classMagick_1_1Pixels.html#ad50a3a05ee6918ae205856c6ae235c25"> 100</a></span> <span class="keywordtype">void</span>* <a class="code" href="classMagick_1_1Pixels.html#ad50a3a05ee6918ae205856c6ae235c25">Magick::Pixels::metacontent</a>(<span class="keywordtype">void</span>)</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">void</span>* pixel_metacontent=GetCacheViewAuthenticMetacontent(_view);</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> pixel_metacontent;</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> </div><div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="classMagick_1_1PixelData.html#ab42e549f84f2883a3a7f2dcf7c505330"> 107</a></span> <a class="code" href="classMagick_1_1PixelData.html#ab42e549f84f2883a3a7f2dcf7c505330">Magick::PixelData::PixelData</a>(<a class="code" href="classMagick_1_1Image.html">Magick::Image</a> &image_,std::string map_,</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> StorageType type_)</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>  init(image_,0,0,image_.<a class="code" href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">columns</a>(),image_.<a class="code" href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">rows</a>(),map_,type_);</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> }</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classMagick_1_1PixelData.html#a7182f65ee71714163fa45e44b5c020b8"> 113</a></span> <a class="code" href="classMagick_1_1PixelData.html#ab42e549f84f2883a3a7f2dcf7c505330">Magick::PixelData::PixelData</a>(<a class="code" href="classMagick_1_1Image.html">Magick::Image</a> &image_,const ::ssize_t x_,</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  const ::ssize_t y_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> width_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> height_,std::string map_,</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> StorageType type_)</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>  init(image_,x_,y_,width_,height_,map_,type_);</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"><a class="line" href="classMagick_1_1PixelData.html#ac1847c4f76a3dd4c459990106779a0c0"> 120</a></span> <a class="code" href="classMagick_1_1PixelData.html#ac1847c4f76a3dd4c459990106779a0c0">Magick::PixelData::~PixelData</a>(<span class="keywordtype">void</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>  relinquish();</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"><a class="line" href="classMagick_1_1PixelData.html#a2177166f46a9b361184bf1b90badfcdf"> 125</a></span> <span class="keyword">const</span> <span class="keywordtype">void</span> *<a class="code" href="classMagick_1_1PixelData.html#a2177166f46a9b361184bf1b90badfcdf">Magick::PixelData::data</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword"></span>{</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">return</span>(_data);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> }</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="classMagick_1_1PixelData.html#ac8e326669dc26cf0da2114f4ef4bd35d"> 130</a></span> ::ssize_t <a class="code" href="classMagick_1_1PixelData.html#ac8e326669dc26cf0da2114f4ef4bd35d">Magick::PixelData::length</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="keyword"></span>{</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">return</span>(_length);</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> </div><div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classMagick_1_1PixelData.html#a614cebe719b3e2508852b3f7f45f1dd1"> 135</a></span> ::ssize_t <a class="code" href="classMagick_1_1PixelData.html#a614cebe719b3e2508852b3f7f45f1dd1">Magick::PixelData::size</a>(<span class="keywordtype">void</span>)<span class="keyword"> const</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword"></span>{</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span>(_size);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="keywordtype">void</span> Magick::PixelData::init(<a class="code" href="classMagick_1_1Image.html">Magick::Image</a> &image_,const ::ssize_t x_,</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  const ::ssize_t y_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> width_,<span class="keyword">const</span> <span class="keywordtype">size_t</span> height_,</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  std::string map_,<span class="keyword">const</span> StorageType type_)</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> {</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordtype">size_t</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  size;</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>  _data=(<span class="keywordtype">void</span> *) NULL;</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  _length=0;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  _size=0;</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">if</span> ((x_ < 0) || (width_ == 0) || (y_ < 0) || (height_ == 0) ||</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  (x_ > (ssize_t) image_.<a class="code" href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">columns</a>()) || ((width_ + x_) > image_.<a class="code" href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">columns</a>())</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  || (y_ > (ssize_t) image_.<a class="code" href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">rows</a>()) || ((height_ + y_) > image_.<a class="code" href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">rows</a>())</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  || (map_.length() == 0))</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">switch</span>(type_)</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">case</span> CharPixel:</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  size=<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> char);</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">case</span> DoublePixel:</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  size=<span class="keyword">sizeof</span>(double);</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keywordflow">case</span> FloatPixel:</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  size=<span class="keyword">sizeof</span>(float);</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordflow">case</span> LongPixel:</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  size=<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> int);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">case</span> LongLongPixel:</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  size=<span class="keyword">sizeof</span>(MagickSizeType);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">case</span> QuantumPixel:</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  size=<span class="keyword">sizeof</span>(Quantum);</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">case</span> ShortPixel:</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  size=<span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> short);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <a class="code" href="namespaceMagick.html#acf038b43e710ea498bb5b9914e54ee3a">throwExceptionExplicit</a>(MagickCore::OptionError,<span class="stringliteral">"Invalid type"</span>);</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keywordflow">return</span>;</div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  }</div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  _length=width_*height_*map_.length();</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  _size=_length*size;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  _data=AcquireMagickMemory(_size);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> </div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <a class="code" href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a>;</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  MagickCore::ExportImagePixels(image_.<a class="code" href="classMagick_1_1Image.html#a649f19aec34b33c85f42396fba98c101">image</a>(),x_,y_,width_,height_,</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  map_.c_str(),type_,_data,exceptionInfo);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">if</span> (exceptionInfo->severity != MagickCore::UndefinedException)</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  relinquish();</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a>(image_.<a class="code" href="classMagick_1_1Image.html#ac43f3b1aa720acd96d0326d40453a0fa">quiet</a>());</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> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="keywordtype">void</span> Magick::PixelData::relinquish(<span class="keywordtype">void</span>) <span class="keywordflow">throw</span>()</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> {</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="keywordflow">if</span> (_data != (<span class="keywordtype">void</span> *)NULL)</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  _data=RelinquishMagickMemory(_data);</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  _length=0;</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  _size=0;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> }</div><div class="ttc" id="classMagick_1_1Pixels_html_a4b3e2b201b7fb669dd03b7db926fc308"><div class="ttname"><a href="classMagick_1_1Pixels.html#a4b3e2b201b7fb669dd03b7db926fc308">Magick::Pixels::get</a></div><div class="ttdeci">Quantum * get(const ::ssize_t x_, const ::ssize_t y_, const size_t columns_, const size_t rows_)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00037">Pixels.cpp:37</a></div></div> 62<div class="ttc" id="classMagick_1_1Pixels_html_aca8938cec00ebbe67f719f83e0ec9966"><div class="ttname"><a href="classMagick_1_1Pixels.html#aca8938cec00ebbe67f719f83e0ec9966">Magick::Pixels::getConst</a></div><div class="ttdeci">const Quantum * getConst(const ::ssize_t x_, const ::ssize_t y_, const size_t columns_, const size_t rows_)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00053">Pixels.cpp:53</a></div></div> 63<div class="ttc" id="classMagick_1_1Image_html_ac43f3b1aa720acd96d0326d40453a0fa"><div class="ttname"><a href="classMagick_1_1Image.html#ac43f3b1aa720acd96d0326d40453a0fa">Magick::Image::quiet</a></div><div class="ttdeci">void quiet(const bool quiet_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l01314">Image.cpp:1314</a></div></div> 64<div class="ttc" id="classMagick_1_1PixelData_html_ac1847c4f76a3dd4c459990106779a0c0"><div class="ttname"><a href="classMagick_1_1PixelData.html#ac1847c4f76a3dd4c459990106779a0c0">Magick::PixelData::~PixelData</a></div><div class="ttdeci">~PixelData(void)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00120">Pixels.cpp:120</a></div></div> 65<div class="ttc" id="classMagick_1_1Image_html_a649f19aec34b33c85f42396fba98c101"><div class="ttname"><a href="classMagick_1_1Image.html#a649f19aec34b33c85f42396fba98c101">Magick::Image::image</a></div><div class="ttdeci">MagickCore::Image *& image(void)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l05008">Image.cpp:5008</a></div></div> 66<div class="ttc" id="Thread_8h_html"><div class="ttname"><a href="Thread_8h.html">Thread.h</a></div></div> 67<div class="ttc" id="classMagick_1_1PixelData_html_ac8e326669dc26cf0da2114f4ef4bd35d"><div class="ttname"><a href="classMagick_1_1PixelData.html#ac8e326669dc26cf0da2114f4ef4bd35d">Magick::PixelData::length</a></div><div class="ttdeci">::ssize_t length(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00130">Pixels.cpp:130</a></div></div> 68<div class="ttc" id="classMagick_1_1PixelData_html_a2177166f46a9b361184bf1b90badfcdf"><div class="ttname"><a href="classMagick_1_1PixelData.html#a2177166f46a9b361184bf1b90badfcdf">Magick::PixelData::data</a></div><div class="ttdeci">const void * data(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00125">Pixels.cpp:125</a></div></div> 69<div class="ttc" id="classMagick_1_1Pixels_html_ae289745755c3def39646c5a6bc72945e"><div class="ttname"><a href="classMagick_1_1Pixels.html#ae289745755c3def39646c5a6bc72945e">Magick::Pixels::sync</a></div><div class="ttdeci">void sync(void)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00092">Pixels.cpp:92</a></div></div> 70<div class="ttc" id="classMagick_1_1Pixels_html_a80578e4115a89951d0ad1e450e2e7a40"><div class="ttname"><a href="classMagick_1_1Pixels.html#a80578e4115a89951d0ad1e450e2e7a40">Magick::Pixels::Pixels</a></div><div class="ttdeci">Pixels(Magick::Image &image_)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00019">Pixels.cpp:19</a></div></div> 71<div class="ttc" id="classMagick_1_1PixelData_html_a614cebe719b3e2508852b3f7f45f1dd1"><div class="ttname"><a href="classMagick_1_1PixelData.html#a614cebe719b3e2508852b3f7f45f1dd1">Magick::PixelData::size</a></div><div class="ttdeci">::ssize_t size(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00135">Pixels.cpp:135</a></div></div> 72<div class="ttc" id="classMagick_1_1Pixels_html_af6ef403ad3cad9416857ba80a464d3fe"><div class="ttname"><a href="classMagick_1_1Pixels.html#af6ef403ad3cad9416857ba80a464d3fe">Magick::Pixels::~Pixels</a></div><div class="ttdeci">~Pixels(void)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00031">Pixels.cpp:31</a></div></div> 73<div class="ttc" id="namespaceMagick_html_acf038b43e710ea498bb5b9914e54ee3a"><div class="ttname"><a href="namespaceMagick.html#acf038b43e710ea498bb5b9914e54ee3a">Magick::throwExceptionExplicit</a></div><div class="ttdeci">MagickPPExport void throwExceptionExplicit(const MagickCore::ExceptionType severity_, const char *reason_, const char *description_=(char *) NULL)</div><div class="ttdef"><b>Definition:</b> <a href="Exception_8cpp_source.html#l00806">Exception.cpp:806</a></div></div> 74<div class="ttc" id="Include_8h_html_a6a4b81920dd51d0f026cf21a015b194a"><div class="ttname"><a href="Include_8h.html#a6a4b81920dd51d0f026cf21a015b194a">ThrowPPException</a></div><div class="ttdeci">#define ThrowPPException(quiet)</div><div class="ttdef"><b>Definition:</b> <a href="Include_8h_source.html#l01563">Include.h:1563</a></div></div> 75<div class="ttc" id="classMagick_1_1PixelData_html_ab42e549f84f2883a3a7f2dcf7c505330"><div class="ttname"><a href="classMagick_1_1PixelData.html#ab42e549f84f2883a3a7f2dcf7c505330">Magick::PixelData::PixelData</a></div><div class="ttdeci">PixelData(Magick::Image &image_, std::string map_, const StorageType type_)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00107">Pixels.cpp:107</a></div></div> 76<div class="ttc" id="classMagick_1_1Pixels_html_aa7891bb0e43dd1b11a119883533ba7ff"><div class="ttname"><a href="classMagick_1_1Pixels.html#aa7891bb0e43dd1b11a119883533ba7ff">Magick::Pixels::set</a></div><div class="ttdeci">Quantum * set(const ::ssize_t x_, const ::ssize_t y_, const size_t columns_, const size_t rows_)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00076">Pixels.cpp:76</a></div></div> 77<div class="ttc" id="Include_8h_html"><div class="ttname"><a href="Include_8h.html">Include.h</a></div></div> 78<div class="ttc" id="classMagick_1_1Pixels_html_a281a3132a541cfae7641dfd385a9b70a"><div class="ttname"><a href="classMagick_1_1Pixels.html#a281a3132a541cfae7641dfd385a9b70a">Magick::Pixels::offset</a></div><div class="ttdeci">ssize_t offset(PixelChannel channel) const</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00069">Pixels.cpp:69</a></div></div> 79<div class="ttc" id="classMagick_1_1Image_html_a4110bebbe7a1fe8f4c6219b0bf45f598"><div class="ttname"><a href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">Magick::Image::rows</a></div><div class="ttdeci">size_t rows(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l01350">Image.cpp:1350</a></div></div> 80<div class="ttc" id="classMagick_1_1Image_html_a1f61d13e9fc82b75cd62e7da46e2c7fc"><div class="ttname"><a href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">Magick::Image::columns</a></div><div class="ttdeci">size_t columns(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l00588">Image.cpp:588</a></div></div> 81<div class="ttc" id="Pixels_8h_html"><div class="ttname"><a href="Pixels_8h.html">Pixels.h</a></div></div> 82<div class="ttc" id="classMagick_1_1Pixels_html_ad50a3a05ee6918ae205856c6ae235c25"><div class="ttname"><a href="classMagick_1_1Pixels.html#ad50a3a05ee6918ae205856c6ae235c25">Magick::Pixels::metacontent</a></div><div class="ttdeci">void * metacontent(void)</div><div class="ttdef"><b>Definition:</b> <a href="Pixels_8cpp_source.html#l00100">Pixels.cpp:100</a></div></div> 83<div class="ttc" id="Include_8h_html_a66d0d226ad64af8c5d2be6180adca8b4"><div class="ttname"><a href="Include_8h.html#a66d0d226ad64af8c5d2be6180adca8b4">GetPPException</a></div><div class="ttdeci">#define GetPPException</div><div class="ttdef"><b>Definition:</b> <a href="Include_8h_source.html#l01544">Include.h:1544</a></div></div> 84<div class="ttc" id="Exception_8h_html"><div class="ttname"><a href="Exception_8h.html">Exception.h</a></div></div> 85<div class="ttc" id="classMagick_1_1Image_html"><div class="ttname"><a href="classMagick_1_1Image.html">Magick::Image</a></div><div class="ttdef"><b>Definition:</b> <a href="Image_8h_source.html#l00053">Image.h:53</a></div></div> 86</div><!-- fragment --></div><!-- contents --> 87</div><!-- doc-content --> 88<!-- start footer part --> 89<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> 90 <ul> 91 <li class="navelem"><a class="el" href="https://imagemagick.org/api/Magick++/dir_43e0a1f539e00dcfa1a6bc4d4fee4fc2.html">home</a></li><li class="navelem"><a class="el" href="https://imagemagick.org/api/Magick++/dir_68918867e77b0a45f29c43673f2273f8.html">cristy</a></li><li class="navelem"><a class="el" href="https://imagemagick.org/api/Magick++/dir_0664224c5e489c82e6416cddc46e1af0.html">ImageMagick-7</a></li><li class="navelem"><a class="el" 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