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++: detrans.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('detrans_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">detrans.cpp</div> </div> 59</div><!--header--> 60<div class="contents"> 61<a href="detrans_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">//</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">// Replace transparency in an image with a solid color using Magick++</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">// Useful to see how a transparent image looks on a particular</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// background color, or to create a similar looking effect without</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// transparency.</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> <span class="comment">// Copyright Bob Friesenhahn, 2000</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> <span class="comment">// Usage: detrans color file...</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">//</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include <<a class="code" href="Magick_09_09_8h.html">Magick++.h</a>></span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <iostream></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</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="l00016"></a><span class="lineno"> 16</span> <span class="keyword">using namespace </span><a class="code" href="namespaceMagick.html">Magick</a>;</div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="detrans_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627"> 17</a></span> <span class="keywordtype">int</span> <a class="code" href="detrans_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc,<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>  <span class="keywordflow">if</span> ( argc < 3 )</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>  cout << <span class="stringliteral">"Usage: "</span> << argv[0] << <span class="stringliteral">" background_color file..."</span> << endl;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  exit( 1 );</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  }</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="comment">// Initialize ImageMagick install location for Windows</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <a class="code" href="namespaceMagick.html#ae9a4f92303d2fc6074f91181db864be1">InitializeMagick</a>(*argv);</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>  {</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="classMagick_1_1Color.html">Color</a> color;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  color = <a class="code" href="namespaceMagick.html#a22bc78976cc1764f7d0269292cde99a7">Color</a>(argv[1]);</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">catch</span> ( <a class="code" href="classMagick_1_1Exception.html">Exception</a> &error_ )</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>  cout << error_.<a class="code" href="classMagick_1_1Exception.html#adab0539c4a00a47c0585f2039ea6f825">what</a>() << endl;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  cout.flush();</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  exit(1);</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> </div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  <span class="keywordtype">char</span> **arg = &argv[2];</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">while</span> ( *arg )</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keywordtype">string</span> fname(*arg);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">try</span> {</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="classMagick_1_1Image.html">Image</a> overlay( fname );</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="classMagick_1_1Image.html">Image</a> base( overlay.<a class="code" href="classMagick_1_1Image.html#aaf72d65800ffc09ad6e1423e9e3aded8">size</a>(), color );</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  base.<a class="code" href="classMagick_1_1Image.html#a54767810c489a2ce44f12ad16f6445f5">composite</a>( overlay, 0, 0, OverCompositeOp );</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  base.alpha( <span class="keyword">false</span> );</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  base.write( fname );</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">catch</span>( <a class="code" href="classMagick_1_1Exception.html">Exception</a> &error_ ) </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>  cout << error_.<a class="code" href="classMagick_1_1Exception.html#adab0539c4a00a47c0585f2039ea6f825">what</a>() << endl; </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>  ++arg;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  }</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> 0; </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> }</div><div class="ttc" id="classMagick_1_1Exception_html_adab0539c4a00a47c0585f2039ea6f825"><div class="ttname"><a href="classMagick_1_1Exception.html#adab0539c4a00a47c0585f2039ea6f825">Magick::Exception::what</a></div><div class="ttdeci">virtual const char * what() const</div><div class="ttdef"><b>Definition:</b> <a href="Exception_8cpp_source.html#l00056">Exception.cpp:56</a></div></div> 62<div class="ttc" id="namespaceMagick_html_a22bc78976cc1764f7d0269292cde99a7"><div class="ttname"><a href="namespaceMagick.html#a22bc78976cc1764f7d0269292cde99a7">Magick::Color</a></div><div class="ttdeci">class MagickPPExport Color</div><div class="ttdef"><b>Definition:</b> <a href="Color_8h_source.html#l00016">Color.h:16</a></div></div> 63<div class="ttc" id="detrans_8cpp_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="detrans_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="detrans_8cpp_source.html#l00017">detrans.cpp:17</a></div></div> 64<div class="ttc" id="classMagick_1_1Image_html_a54767810c489a2ce44f12ad16f6445f5"><div class="ttname"><a href="classMagick_1_1Image.html#a54767810c489a2ce44f12ad16f6445f5">Magick::Image::composite</a></div><div class="ttdeci">void composite(const Image &compositeImage_, const Geometry &offset_, const CompositeOperator compose_=InCompositeOp)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l02522">Image.cpp:2522</a></div></div> 65<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> 66<div class="ttc" id="Magick_09_09_8h_html"><div class="ttname"><a href="Magick_09_09_8h.html">Magick++.h</a></div></div> 67<div class="ttc" id="classMagick_1_1Exception_html"><div class="ttname"><a href="classMagick_1_1Exception.html">Magick::Exception</a></div><div class="ttdef"><b>Definition:</b> <a href="Exception_8h_source.html#l00022">Exception.h:22</a></div></div> 68<div class="ttc" id="classMagick_1_1Image_html_aaf72d65800ffc09ad6e1423e9e3aded8"><div class="ttname"><a href="classMagick_1_1Image.html#aaf72d65800ffc09ad6e1423e9e3aded8">Magick::Image::size</a></div><div class="ttdeci">void size(const Geometry &geometry_)</div><div class="ttdef"><b>Definition:</b> <a href="Image_8cpp_source.html#l01366">Image.cpp:1366</a></div></div> 69<div class="ttc" id="classMagick_1_1Color_html"><div class="ttname"><a href="classMagick_1_1Color.html">Magick::Color</a></div><div class="ttdef"><b>Definition:</b> <a href="Color_8h_source.html#l00034">Color.h:34</a></div></div> 70<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> 71<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> 72<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> 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