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 <span id="projectnumber">7.1.0</span>
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<a href="ImageRef_8h.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</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">// Copyright @ 2014 ImageMagick Studio LLC, a non-profit organization</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// dedicated to making software imaging solutions freely available.</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">// Definition of an Image reference</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">// This is a private implementation class which should never be</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// referenced by any user code.</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">//</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="preprocessor">#if !defined(Magick_ImageRef_header)</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#define Magick_ImageRef_header</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor">#include "<a class="code" href="Include_8h.html">Magick++/Include.h</a>"</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="Thread_8h.html">Magick++/Thread.h</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">namespace </span><a class="code" href="namespaceMagick.html">Magick</a></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> {</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">class </span>Options;</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">//</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="comment">// Reference counted access to Image *</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"><a class="line" href="classMagick_1_1ImageRef.html"> 28</a></span>  <span class="keyword">class </span><a class="code" href="Include_8h.html#a3648b581d4f8adf56a18ae67b7111a04">MagickPPExport</a> <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</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>  <span class="keyword">public</span>:</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// Construct with null image and default options</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>(<span class="keywordtype">void</span>);</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>  <span class="comment">// Construct with an image pointer and default options</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>(<a class="code" href="namespaceMagick.html#a4848723142d4954f66b2dbb123fc29f0">MagickCore::Image</a> *image_);</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="comment">// Destroy image and options</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  ~<a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="comment">// Decreases reference count and return the new count</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">size_t</span> decrease();</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>  <span class="comment">// Retrieve image from reference</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="namespaceMagick.html#a4848723142d4954f66b2dbb123fc29f0">MagickCore::Image</a> *&image(<span class="keywordtype">void</span>);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Increases reference count</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordtype">void</span> increase();</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="comment">// Returns true if the reference count is more than one</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">bool</span> isShared();</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="comment">// Retrieve Options from reference</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">void</span> options(<a class="code" href="classMagick_1_1Options.html">Options</a> *options_);</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <a class="code" href="classMagick_1_1Options.html">Options</a> *options(<span class="keywordtype">void</span>);</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>  <span class="comment">// Tries to replaces the images with the specified image, returns</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// a new instance when the current image is shared.</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">static</span> <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a> *replaceImage(<a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a> *imgRef,</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="namespaceMagick.html#a4848723142d4954f66b2dbb123fc29f0">MagickCore::Image</a> *replacement_);</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="comment">// Image signature. Set force_ to true in order to re-calculate</span></div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="comment">// the signature regardless of whether the image data has been</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="comment">// modified.</span></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  std::string signature(<span class="keyword">const</span> <span class="keywordtype">bool</span> force_=<span class="keyword">false</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"> 67</span>  <span class="keyword">private</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"> 69</span>  <span class="comment">// Construct with an image pointer and options</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>(<a class="code" href="namespaceMagick.html#a4848723142d4954f66b2dbb123fc29f0">MagickCore::Image</a> *image_,<span class="keyword">const</span> <a class="code" href="classMagick_1_1Options.html">Options</a> *options_);</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>  <span class="comment">// Copy constructor and assignment are not supported</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>(<span class="keyword">const</span> <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>&);</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>  <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>& operator=(<span class="keyword">const</span> <a class="code" href="classMagick_1_1ImageRef.html">ImageRef</a>&);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <a class="code" href="namespaceMagick.html#a4848723142d4954f66b2dbb123fc29f0">MagickCore::Image</a> *_image; <span class="comment">// ImageMagick Image</span></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="classMagick_1_1MutexLock.html">MutexLock</a> _mutexLock; <span class="comment">// Mutex lock</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classMagick_1_1Options.html">Options</a> *_options; <span class="comment">// User-specified options</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  ::ssize_t _refCount; <span class="comment">// Reference count</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> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> } <span class="comment">// end of namespace Magick</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="preprocessor">#endif // Magick_ImageRef_header</span></div><div class="ttc" id="classMagick_1_1Options_html"><div class="ttname"><a href="classMagick_1_1Options.html">Magick::Options</a></div><div class="ttdef"><b>Definition:</b> <a href="Options_8h_source.html#l00030">Options.h:30</a></div></div>
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<div class="ttc" id="classMagick_1_1ImageRef_html"><div class="ttname"><a href="classMagick_1_1ImageRef.html">Magick::ImageRef</a></div><div class="ttdef"><b>Definition:</b> <a href="ImageRef_8h_source.html#l00028">ImageRef.h:28</a></div></div>
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<div class="ttc" id="classMagick_1_1MutexLock_html"><div class="ttname"><a href="classMagick_1_1MutexLock.html">Magick::MutexLock</a></div><div class="ttdef"><b>Definition:</b> <a href="Thread_8h_source.html#l00029">Thread.h:29</a></div></div>
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<div class="ttc" id="Thread_8h_html"><div class="ttname"><a href="Thread_8h.html">Thread.h</a></div></div>
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<div class="ttc" id="Include_8h_html_a3648b581d4f8adf56a18ae67b7111a04"><div class="ttname"><a href="Include_8h.html#a3648b581d4f8adf56a18ae67b7111a04">MagickPPExport</a></div><div class="ttdeci">#define MagickPPExport</div><div class="ttdef"><b>Definition:</b> <a href="Include_8h_source.html#l00297">Include.h:297</a></div></div>
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<div class="ttc" id="Include_8h_html"><div class="ttname"><a href="Include_8h.html">Include.h</a></div></div>
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<div class="ttc" id="namespaceMagick_html_a4848723142d4954f66b2dbb123fc29f0"><div class="ttname"><a href="namespaceMagick.html#a4848723142d4954f66b2dbb123fc29f0">Magick::Image</a></div><div class="ttdeci">class MagickPPExport Image</div><div class="ttdef"><b>Definition:</b> <a href="Drawable_8h_source.html#l00722">Drawable.h:722</a></div></div>
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<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#l00017">Blob.h:17</a></div></div>
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