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++: zoom.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('zoom_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">zoom.cpp</div> </div> 59</div><!--header--> 60<div class="contents"> 61<a href="zoom_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, 2001, 2002, 2003</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">// Resize image using specified resize algorithm with Magick++ API</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">// Usage: zoom [-density resolution] [-filter algorithm] [-geometry geometry]</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// [-resample resolution] input_file output_file</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">//</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include <<a class="code" href="Magick_09_09_8h.html">Magick++.h</a>></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include <iostream></span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">using namespace </span><a class="code" href="https://imagemagick.org/api/Magick++/namespacestd.html">std</a>; </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">using namespace </span><a class="code" href="namespaceMagick.html">Magick</a>;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784"> 17</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a> ( <span class="keywordtype">char</span> **argv )</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  cout << <span class="stringliteral">"Usage: "</span> << argv[0]</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  << <span class="stringliteral">" [-density resolution] [-filter algorithm] [-geometry geometry]"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  << <span class="stringliteral">" [-resample resolution] input_file output_file"</span> << endl</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  << <span class="stringliteral">" algorithm - bessel blackman box catrom cubic gaussian hamming hanning"</span> << endl</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  << <span class="stringliteral">" hermite lanczos mitchell point quadratic sample scale sinc triangle"</span> << endl;</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  exit(1);</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> </div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3"> 27</a></span> <span class="keyword">static</span> <span class="keywordtype">void</span> <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a> (<span class="keywordtype">int</span> position, <span class="keywordtype">char</span> **argv)</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  cout << <span class="stringliteral">"Argument \""</span> << argv[position] << <span class="stringliteral">"\" at position"</span> << position</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  << <span class="stringliteral">"incorrect"</span> << endl;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a>(argv);</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> </div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="zoom_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627"> 34</a></span> <span class="keywordtype">int</span> <a class="code" href="zoom_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc,<span class="keywordtype">char</span> **argv) </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>  <span class="comment">// Initialize ImageMagick install location for Windows</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="namespaceMagick.html#ae9a4f92303d2fc6074f91181db864be1">InitializeMagick</a>(*argv);</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>  <span class="keywordflow">if</span> ( argc < 2 )</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <a class="code" href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a>(argv);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keyword">enum</span> ResizeAlgorithm</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>  Zoom,</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  Scale,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  Sample</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  };</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>  {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <a class="code" href="classMagick_1_1Geometry.html">Geometry</a> geometry;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  Magick::FilterType filter(LanczosFilter);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="classMagick_1_1Point.html">Point</a> density;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="classMagick_1_1Point.html">Point</a> resample;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  ResizeAlgorithm resize_algorithm=Zoom;</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>  <span class="keywordtype">int</span> argv_index=1;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordflow">while</span> ((argv_index < argc - 2) && (*argv[argv_index] == <span class="charliteral">'-'</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>  std::string command(argv[argv_index]);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">"-density"</span>) == 0)</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>  argv_index++;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  density=<a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(argv[argv_index]);</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">catch</span>( exception &<span class="comment">/* error_ */</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>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  argv_index++;</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">continue</span>;</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> <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">"-filter"</span>) == 0)</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>  argv_index++;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  std::string algorithm(argv[argv_index]);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"point"</span>) == 0)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  filter=PointFilter;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"box"</span>) == 0)</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  filter=BoxFilter;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"triangle"</span>) == 0)</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  filter=TriangleFilter;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"hermite"</span>) == 0)</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  filter=HermiteFilter;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"hanning"</span>) == 0)</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  filter=HanningFilter;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"hamming"</span>) == 0)</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  filter=HammingFilter;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"blackman"</span>) == 0)</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  filter=BlackmanFilter;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"gaussian"</span>) == 0)</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  filter=GaussianFilter;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"quadratic"</span>) == 0)</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  filter=QuadraticFilter;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"cubic"</span>) == 0)</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  filter=CubicFilter;</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"catrom"</span>) == 0)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  filter=CatromFilter;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"mitchell"</span>) == 0)</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  filter=MitchellFilter;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"lanczos"</span>) == 0)</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  filter=LanczosFilter;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"bessel"</span>) == 0)</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  filter=BesselFilter;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"sinc"</span>) == 0)</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  filter=SincFilter;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"sample"</span>) == 0)</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  resize_algorithm=Sample;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (algorithm.compare(<span class="stringliteral">"scale"</span>) == 0)</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  resize_algorithm=Scale;</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  argv_index++;</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">"-geometry"</span>) == 0)</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  argv_index++;</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  geometry=<a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(argv[argv_index]);</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>  <span class="keywordflow">catch</span>( exception &<span class="comment">/* error_ */</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>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  }</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  argv_index++;</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">continue</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"> 129</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (command.compare(<span class="stringliteral">"-resample"</span>) == 0)</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>  argv_index++;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  resample=<a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(argv[argv_index]);</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordflow">catch</span>( exception &<span class="comment">/* error_ */</span>)</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  {</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</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>  argv_index++;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</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>  <span class="keywordflow">if</span> (argv_index>argc-1)</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  std::string input_file(argv[argv_index]);</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  argv_index++;</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (argv_index>argc)</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <a class="code" href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a>(argv_index,argv);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  std::string output_file(argv[argv_index]);</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <a class="code" href="classMagick_1_1Image.html">Image</a> image(input_file);</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (density.<a class="code" href="classMagick_1_1Point.html#af9db13d6b883bb5ea959b45c1bd35236">isValid</a>())</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  image.<a class="code" href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">density</a>(density);</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  density=image.<a class="code" href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">density</a>();</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (resample.<a class="code" href="classMagick_1_1Point.html#af9db13d6b883bb5ea959b45c1bd35236">isValid</a>())</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  {</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  geometry =</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <a class="code" href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Geometry</a>(static_cast<size_t></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  (image.<a class="code" href="classMagick_1_1Image.html#a1f61d13e9fc82b75cd62e7da46e2c7fc">columns</a>()*((double)resample.<a class="code" href="classMagick_1_1Point.html#a5f48bcf1243f465cb27c814e638334fc">x</a>()/density.<a class="code" href="classMagick_1_1Point.html#a5f48bcf1243f465cb27c814e638334fc">x</a>())+0.5),</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">static_cast<</span><span class="keywordtype">size_t</span><span class="keyword">></span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  (image.<a class="code" href="classMagick_1_1Image.html#a4110bebbe7a1fe8f4c6219b0bf45f598">rows</a>()*((double)resample.<a class="code" href="classMagick_1_1Point.html#ae8a8dec67dc89dd273793089337fa060">y</a>()/density.<a class="code" href="classMagick_1_1Point.html#ae8a8dec67dc89dd273793089337fa060">y</a>())+0.5));</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  image.<a class="code" href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">density</a>(resample);</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  }</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">switch</span> (resize_algorithm)</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>  <span class="keywordflow">case</span> Sample:</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  image.<a class="code" href="classMagick_1_1Image.html#a3a367bfa1e18948e10b6112499f440b6">sample</a>(geometry);</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> Scale:</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  image.<a class="code" href="classMagick_1_1Image.html#a4a76381e3457d7c61364ac3ba8ea31e3">scale</a>(geometry);</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> Zoom:</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  image.<a class="code" href="classMagick_1_1Image.html#a49248d3d82636aac7e32998c6b681be0">filterType</a>(filter);</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  image.<a class="code" href="classMagick_1_1Image.html#a31985f9b3d2cc1819c0946b085c531fd">zoom</a>(geometry);</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  }</div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  image.<a class="code" href="classMagick_1_1Image.html#a420ec15b7829356e03db0a5f6a91771e">write</a>(output_file);</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>  <span class="keywordflow">catch</span>( exception &error_ )</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  {</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  cout << <span class="stringliteral">"Caught exception: "</span> << error_.what() << endl;</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordflow">return</span> 1;</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>  }</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> </div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div><div class="ttc" id="classMagick_1_1Point_html"><div class="ttname"><a href="classMagick_1_1Point.html">Magick::Point</a></div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00206">Geometry.h:206</a></div></div> 62<div class="ttc" id="classMagick_1_1Image_html_a0a60678e324b686cb05d1006018639b6"><div class="ttname"><a href="classMagick_1_1Image.html#a0a60678e324b686cb05d1006018639b6">Magick::Image::density</a></div><div class="ttdeci">void density(const Point &density_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l00651">Image.cpp:651</a></div></div> 63<div class="ttc" id="classMagick_1_1Point_html_af9db13d6b883bb5ea959b45c1bd35236"><div class="ttname"><a href="classMagick_1_1Point.html#af9db13d6b883bb5ea959b45c1bd35236">Magick::Point::isValid</a></div><div class="ttdeci">bool isValid() const</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8cpp_source.html#l00696">Geometry.cpp:696</a></div></div> 64<div class="ttc" id="namespacestd_html"><div class="ttname"><a href="https://imagemagick.org/api/Magick++/namespacestd.html">std</a></div><div class="ttdoc">STL namespace. </div></div> 65<div class="ttc" id="classMagick_1_1Image_html_a420ec15b7829356e03db0a5f6a91771e"><div class="ttname"><a href="classMagick_1_1Image.html#a420ec15b7829356e03db0a5f6a91771e">Magick::Image::write</a></div><div class="ttdeci">void write(Blob *blob_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04880">Image.cpp:4880</a></div></div> 66<div class="ttc" id="classMagick_1_1Image_html_a31985f9b3d2cc1819c0946b085c531fd"><div class="ttname"><a href="classMagick_1_1Image.html#a31985f9b3d2cc1819c0946b085c531fd">Magick::Image::zoom</a></div><div class="ttdeci">void zoom(const Geometry &geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04981">Image.cpp:4981</a></div></div> 67<div class="ttc" id="Magick_09_09_8h_html"><div class="ttname"><a href="Magick_09_09_8h.html">Magick++.h</a></div></div> 68<div class="ttc" id="classMagick_1_1Image_html_a49248d3d82636aac7e32998c6b681be0"><div class="ttname"><a href="classMagick_1_1Image.html#a49248d3d82636aac7e32998c6b681be0">Magick::Image::filterType</a></div><div class="ttdeci">void filterType(const FilterType filterType_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l00839">Image.cpp:839</a></div></div> 69<div class="ttc" id="zoom_8cpp_html_aae00e57f09e2e0aee50ff112715113e3"><div class="ttname"><a href="zoom_8cpp.html#aae00e57f09e2e0aee50ff112715113e3">ParseError</a></div><div class="ttdeci">static void ParseError(int position, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="zoom_8cpp_source.html#l00027">zoom.cpp:27</a></div></div> 70<div class="ttc" id="namespaceMagick_html_a3af933f0beb32b965e32f79f95e9871c"><div class="ttname"><a href="namespaceMagick.html#a3af933f0beb32b965e32f79f95e9871c">Magick::Geometry</a></div><div class="ttdeci">class MagickPPExport Geometry</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00019">Geometry.h:19</a></div></div> 71<div class="ttc" id="classMagick_1_1Image_html_a4a76381e3457d7c61364ac3ba8ea31e3"><div class="ttname"><a href="classMagick_1_1Image.html#a4a76381e3457d7c61364ac3ba8ea31e3">Magick::Image::scale</a></div><div class="ttdeci">void scale(const Geometry &geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04267">Image.cpp:4267</a></div></div> 72<div class="ttc" id="classMagick_1_1Geometry_html"><div class="ttname"><a href="classMagick_1_1Geometry.html">Magick::Geometry</a></div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8h_source.html#l00035">Geometry.h:35</a></div></div> 73<div class="ttc" id="classMagick_1_1Point_html_a5f48bcf1243f465cb27c814e638334fc"><div class="ttname"><a href="classMagick_1_1Point.html#a5f48bcf1243f465cb27c814e638334fc">Magick::Point::x</a></div><div class="ttdeci">double x(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8cpp_source.html#l00701">Geometry.cpp:701</a></div></div> 74<div class="ttc" id="classMagick_1_1Image_html_a3a367bfa1e18948e10b6112499f440b6"><div class="ttname"><a href="classMagick_1_1Image.html#a3a367bfa1e18948e10b6112499f440b6">Magick::Image::sample</a></div><div class="ttdeci">void sample(const Geometry &geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l04245">Image.cpp:4245</a></div></div> 75<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> 76<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> 77<div class="ttc" id="zoom_8cpp_html_a2212cadf18ac91aea061ec8f8ec06784"><div class="ttname"><a href="zoom_8cpp.html#a2212cadf18ac91aea061ec8f8ec06784">Usage</a></div><div class="ttdeci">static void Usage(char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="zoom_8cpp_source.html#l00017">zoom.cpp:17</a></div></div> 78<div class="ttc" id="classMagick_1_1Point_html_ae8a8dec67dc89dd273793089337fa060"><div class="ttname"><a href="classMagick_1_1Point.html#ae8a8dec67dc89dd273793089337fa060">Magick::Point::y</a></div><div class="ttdeci">double y(void) const</div><div class="ttdef"><b>Definition:</b> <a href="Geometry_8cpp_source.html#l00706">Geometry.cpp:706</a></div></div> 79<div class="ttc" id="zoom_8cpp_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="zoom_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="zoom_8cpp_source.html#l00034">zoom.cpp:34</a></div></div> 80<div class="ttc" id="namespaceMagick_html"><div class="ttname"><a href="namespaceMagick.html">Magick</a></div><div class="ttdef"><b>Definition:</b> <a href="Blob_8h_source.html#l00015">Blob.h:15</a></div></div> 81<div class="ttc" id="namespaceMagick_html_ae9a4f92303d2fc6074f91181db864be1"><div class="ttname"><a href="namespaceMagick.html#ae9a4f92303d2fc6074f91181db864be1">Magick::InitializeMagick</a></div><div class="ttdeci">MagickPPExport void InitializeMagick(const char *path_)</div><div class="ttdef"><b>Definition:</b> <a href="Functions_8cpp_source.html#l00043">Functions.cpp:43</a></div></div> 82<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> 83</div><!-- fragment --></div><!-- contents --> 84</div><!-- doc-content --> 85<!-- start footer part --> 86<div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> 87 <ul> 88 <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" href="https://imagemagick.org/api/Magick++/dir_436bc20d1ebf054c4eca7a72174ce42e.html">Magick++</a></li><li class="navelem"><a class="el" href="https://imagemagick.org/api/Magick++/dir_4605d6fa90a40da184bf7dcbbb926a9b.html">demo</a></li><li class="navelem"><a class="el" href="zoom_8cpp.html">zoom.cpp</a></li> 89 <li class="footer">Generated by 90 <a href="http://www.doxygen.org/index.html"> 91 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.14 </li> 92 </ul> 93</div> 94</body> 95</html> 96
