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  69. <div class="title">Cairo.hpp</div>  </div>

  70. </div><!--header-->

  71. <div class="contents">

  72. <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/*</span></div>

  73. <div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * DISTRHO Plugin Framework (DPF)</span></div>

  74. <div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> * Copyright (C) 2012-2021 Filipe Coelho &lt;falktx@falktx.com&gt;</span></div>

  75. <div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> *</span></div>

  76. <div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * Permission to use, copy, modify, and/or distribute this software for any purpose with</span></div>

  77. <div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> * or without fee is hereby granted, provided that the above copyright notice and this</span></div>

  78. <div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * permission notice appear in all copies.</span></div>

  79. <div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> *</span></div>

  80. <div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD</span></div>

  81. <div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN</span></div>

  82. <div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL</span></div>

  83. <div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER</span></div>

  84. <div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN</span></div>

  85. <div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>

  86. <div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> */</span></div>

  87. <div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160; </div>

  88. <div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="preprocessor">#ifndef DGL_CAIRO_HPP_INCLUDED</span></div>

  89. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define DGL_CAIRO_HPP_INCLUDED</span></div>

  90. <div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160; </div>

  91. <div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="preprocessor">#include &quot;ImageBase.hpp&quot;</span></div>

  92. <div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="preprocessor">#include &quot;ImageBaseWidgets.hpp&quot;</span></div>

  93. <div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="preprocessor">#include &quot;SubWidget.hpp&quot;</span></div>

  94. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160; </div>

  95. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="preprocessor">#include &lt;cairo/cairo.h&gt;</span></div>

  96. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160; </div>

  97. <div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;START_NAMESPACE_DGL</div>

  98. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160; </div>

  99. <div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  100. <div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment"></span> </div>

  101. <div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment">/**</span></div>

  102. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment">   Cairo Graphics context.</span></div>

  103. <div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> */</span></div>

  104. <div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structCairoGraphicsContext.html">   33</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structCairoGraphicsContext.html">CairoGraphicsContext</a> : <a class="code" href="structGraphicsContext.html">GraphicsContext</a></div>

  105. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;{</div>

  106. <div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    cairo_t* handle;</div>

  107. <div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;};</div>

  108. <div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160; </div>

  109. <div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  110. <div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"></span> </div>

  111. <div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">/**</span></div>

  112. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">   Cairo Image class.</span></div>

  113. <div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"></span> </div>

  114. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">   TODO ...</span></div>

  115. <div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"> */</span></div>

  116. <div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classCairoImage.html">   45</a></span>&#160;<span class="keyword">class </span><a class="code" href="classCairoImage.html">CairoImage</a> : <span class="keyword">public</span> <a class="code" href="classImageBase.html">ImageBase</a></div>

  117. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;{</div>

  118. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="keyword">public</span>:<span class="comment"></span></div>

  119. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">   /**</span></div>

  120. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">      Constructor for a null Image.</span></div>

  121. <div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">    */</span></div>

  122. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <a class="code" href="classCairoImage.html#aeadcf789efdf894a61e477b4d64fc0b6">CairoImage</a>();</div>

  123. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"></span> </div>

  124. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">   /**</span></div>

  125. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment">      Constructor using raw image data.</span></div>

  126. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></div>

  127. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">    */</span></div>

  128. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <a class="code" href="classCairoImage.html#aeadcf789efdf894a61e477b4d64fc0b6">CairoImage</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rawData, uint width, uint height, ImageFormat format);</div>

  129. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"></span> </div>

  130. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">   /**</span></div>

  131. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">      Constructor using raw image data.</span></div>

  132. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></div>

  133. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">    */</span></div>

  134. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <a class="code" href="classCairoImage.html#aeadcf789efdf894a61e477b4d64fc0b6">CairoImage</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rawData, <span class="keyword">const</span> <a class="code" href="classSize.html">Size&lt;uint&gt;</a>&amp; size, ImageFormat format);</div>

  135. <div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment"></span> </div>

  136. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">   /**</span></div>

  137. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">      Constructor using another image data.</span></div>

  138. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">    */</span></div>

  139. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <a class="code" href="classCairoImage.html#aeadcf789efdf894a61e477b4d64fc0b6">CairoImage</a>(<span class="keyword">const</span> <a class="code" href="classCairoImage.html">CairoImage</a>&amp; image);</div>

  140. <div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment"></span> </div>

  141. <div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment">   /**</span></div>

  142. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">      Destructor.</span></div>

  143. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">    */</span></div>

  144. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;    <a class="code" href="classCairoImage.html#a36abbee6a47fc3447f00270aa16a82b7">~CairoImage</a>() <span class="keyword">override</span>;</div>

  145. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment"></span> </div>

  146. <div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">   /**</span></div>

  147. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">      Load image data from memory.</span></div>

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></div>

  149. <div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">    */</span></div>

  150. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classCairoImage.html#a861bdbb5cd592feaef43e2202397deed">loadFromMemory</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rawData,</div>

  151. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;                        <span class="keyword">const</span> <a class="code" href="classSize.html">Size&lt;uint&gt;</a>&amp; size,</div>

  152. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;                        ImageFormat format = kImageFormatBGRA) noexcept <span class="keyword">override</span>;</div>

  153. <div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment"></span> </div>

  154. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">   /**</span></div>

  155. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">      Draw this image at position @a pos using the graphics context @a context.</span></div>

  156. <div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">    */</span></div>

  157. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classCairoImage.html#aa60a5e3b68032170e8e59fb506c7d3b7">drawAt</a>(<span class="keyword">const</span> <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp; context, <span class="keyword">const</span> <a class="code" href="classPoint.html">Point&lt;int&gt;</a>&amp; pos) <span class="keyword">override</span>;</div>

  158. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment"></span> </div>

  159. <div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment">   /**</span></div>

  160. <div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment">      TODO document this.</span></div>

  161. <div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment">    */</span></div>

  162. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <a class="code" href="classCairoImage.html">CairoImage</a>&amp; <a class="code" href="classCairoImage.html#af5f422a5a77f4639a907f8e5dde29ef7">operator=</a>(<span class="keyword">const</span> <a class="code" href="classCairoImage.html">CairoImage</a>&amp; image) noexcept;</div>

  163. <div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160; </div>

  164. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;    <span class="comment">// FIXME this should not be needed</span></div>

  165. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classCairoImage.html#a861bdbb5cd592feaef43e2202397deed">loadFromMemory</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rawData, uint w, uint h, ImageFormat format = kImageFormatBGRA)</div>

  166. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    { <a class="code" href="classCairoImage.html#a861bdbb5cd592feaef43e2202397deed">loadFromMemory</a>(rawData, <a class="code" href="classSize.html">Size&lt;uint&gt;</a>(w, h), format); };</div>

  167. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> draw(<span class="keyword">const</span> <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp; context)</div>

  168. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    { <a class="code" href="classCairoImage.html#aa60a5e3b68032170e8e59fb506c7d3b7">drawAt</a>(context, <a class="code" href="classPoint.html">Point&lt;int&gt;</a>(0, 0)); };</div>

  169. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classCairoImage.html#aa60a5e3b68032170e8e59fb506c7d3b7">drawAt</a>(<span class="keyword">const</span> <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp; context, <span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y)</div>

  170. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    { <a class="code" href="classCairoImage.html#aa60a5e3b68032170e8e59fb506c7d3b7">drawAt</a>(context, <a class="code" href="classPoint.html">Point&lt;int&gt;</a>(x, y)); };</div>

  171. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160; </div>

  172. <div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="keyword">private</span>:</div>

  173. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    cairo_surface_t* surface;</div>

  174. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    uchar* surfacedata;</div>

  175. <div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <span class="keywordtype">int</span>* datarefcount;</div>

  176. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;};</div>

  177. <div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160; </div>

  178. <div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  179. <div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment"></span> </div>

  180. <div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="comment">/**</span></div>

  181. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment">   CairoWidget, handy class that takes graphics context during onDisplay and passes it in a new function.</span></div>

  182. <div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment"> */</span></div>

  183. <div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="keyword">template</span> &lt;<span class="keyword">class</span> BaseW<span class="keywordtype">id</span>get&gt;</div>

  184. <div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="classCairoBaseWidget.html">  113</a></span>&#160;<span class="keyword">class </span><a class="code" href="classCairoBaseWidget.html">CairoBaseWidget</a> : <span class="keyword">public</span> BaseWidget</div>

  185. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;{</div>

  186. <div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="keyword">public</span>:<span class="comment"></span></div>

  187. <div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="comment">   /**</span></div>

  188. <div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="comment">      Constructor for a CairoSubWidget.</span></div>

  189. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="comment">      @see CreateFlags</span></div>

  190. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment">    */</span></div>

  191. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classCairoBaseWidget.html#a264d5e3f7de6dd5c9f9b492f5577420f">CairoBaseWidget</a>(<a class="code" href="classWidget.html">Widget</a>* <span class="keyword">const</span> parentGroupWidget);</div>

  192. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="comment"></span> </div>

  193. <div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="comment">   /**</span></div>

  194. <div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="comment">      Constructor for a CairoTopLevelWidget.</span></div>

  195. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="comment">      @see CreateFlags</span></div>

  196. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">    */</span></div>

  197. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classCairoBaseWidget.html#a264d5e3f7de6dd5c9f9b492f5577420f">CairoBaseWidget</a>(<a class="code" href="classWindow.html">Window</a>&amp; windowToMapTo);</div>

  198. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="comment"></span> </div>

  199. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">   /**</span></div>

  200. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="comment">      Constructor for a CairoStandaloneWindow without parent window.</span></div>

  201. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment">      @see CreateFlags</span></div>

  202. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="comment">    */</span></div>

  203. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classCairoBaseWidget.html#a264d5e3f7de6dd5c9f9b492f5577420f">CairoBaseWidget</a>(<a class="code" href="classApplication.html">Application</a>&amp; app);</div>

  204. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="comment"></span> </div>

  205. <div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="comment">   /**</span></div>

  206. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="comment">      Constructor for a CairoStandaloneWindow with parent window.</span></div>

  207. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment">      @see CreateFlags</span></div>

  208. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="comment">    */</span></div>

  209. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classCairoBaseWidget.html#a264d5e3f7de6dd5c9f9b492f5577420f">CairoBaseWidget</a>(<a class="code" href="classApplication.html">Application</a>&amp; app, <a class="code" href="classWindow.html">Window</a>&amp; parentWindow);</div>

  210. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;<span class="comment"></span> </div>

  211. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="comment">   /**</span></div>

  212. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="comment">      Destructor.</span></div>

  213. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="comment">    */</span></div>

  214. <div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="classCairoBaseWidget.html#ab76ae3b54d624b194e6392ba48799ce4">  143</a></span>&#160;    <span class="keyword">virtual</span> <a class="code" href="classCairoBaseWidget.html#ab76ae3b54d624b194e6392ba48799ce4">~CairoBaseWidget</a>() {}</div>

  215. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160; </div>

  216. <div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;<span class="keyword">protected</span>:<span class="comment"></span></div>

  217. <div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="comment">   /**</span></div>

  218. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;<span class="comment">      New virtual onDisplay function.</span></div>

  219. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="comment">      @see onDisplay</span></div>

  220. <div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="comment">    */</span></div>

  221. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classCairoBaseWidget.html#a2d59f5625d6e948ccbf7a9d2b3b00adf">onCairoDisplay</a>(<span class="keyword">const</span> <a class="code" href="structCairoGraphicsContext.html">CairoGraphicsContext</a>&amp; context) = 0;</div>

  222. <div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160; </div>

  223. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="keyword">private</span>:<span class="comment"></span></div>

  224. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="comment">   /**</span></div>

  225. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="comment">      Widget display function.</span></div>

  226. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="comment">      Implemented internally to pass context into the drawing function.</span></div>

  227. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment">    */</span></div>

  228. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keywordtype">void</span> onDisplay()<span class="keyword"> override</span></div>

  229. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="keyword">    </span>{</div>

  230. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;        <span class="keyword">const</span> <a class="code" href="structCairoGraphicsContext.html">CairoGraphicsContext</a>&amp; context((<span class="keyword">const</span> <a class="code" href="structCairoGraphicsContext.html">CairoGraphicsContext</a>&amp;)BaseWidget::getGraphicsContext());</div>

  231. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;        <a class="code" href="classCairoBaseWidget.html#a2d59f5625d6e948ccbf7a9d2b3b00adf">onCairoDisplay</a>(context);</div>

  232. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;    }</div>

  233. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160; </div>

  234. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(<a class="code" href="classCairoBaseWidget.html">CairoBaseWidget</a>);</div>

  235. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;};</div>

  236. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160; </div>

  237. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classCairoBaseWidget.html">CairoBaseWidget&lt;SubWidget&gt;</a> <a class="code" href="classCairoBaseWidget.html">CairoSubWidget</a>;</div>

  238. <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classCairoBaseWidget.html">CairoBaseWidget&lt;TopLevelWidget&gt;</a> <a class="code" href="classCairoBaseWidget.html">CairoTopLevelWidget</a>;</div>

  239. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classCairoBaseWidget.html">CairoBaseWidget&lt;StandaloneWindow&gt;</a> <a class="code" href="classCairoBaseWidget.html">CairoStandaloneWindow</a>;</div>

  240. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160; </div>

  241. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  242. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160; </div>

  243. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseAboutWindow.html">ImageBaseAboutWindow&lt;CairoImage&gt;</a> <a class="code" href="classImageBaseAboutWindow.html">CairoImageAboutWindow</a>;</div>

  244. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseButton.html">ImageBaseButton&lt;CairoImage&gt;</a> <a class="code" href="classImageBaseButton.html">CairoImageButton</a>;</div>

  245. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160; </div>

  246. <div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;<span class="comment">// --------------------------------------------------------------------------------------------------------------------</span></div>

  247. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160; </div>

  248. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;END_NAMESPACE_DGL</div>

  249. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160; </div>

  250. <div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;<span class="preprocessor">#endif</span></div>

  251. </div><!-- fragment --></div><!-- contents -->

  252. <div class="ttc" id="aclassImageBaseButton_html"><div class="ttname"><a href="classImageBaseButton.html">ImageBaseButton</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:53</div></div>

  253. <div class="ttc" id="astructGraphicsContext_html"><div class="ttname"><a href="structGraphicsContext.html">GraphicsContext</a></div><div class="ttdef"><b>Definition:</b> Base.hpp:154</div></div>

  254. <div class="ttc" id="aclassWindow_html"><div class="ttname"><a href="classWindow.html">Window</a></div><div class="ttdef"><b>Definition:</b> Window.hpp:50</div></div>

  255. <div class="ttc" id="aclassSize_html"><div class="ttname"><a href="classSize.html">Size&lt; uint &gt;</a></div></div>

  256. <div class="ttc" id="aclassApplication_html"><div class="ttname"><a href="classApplication.html">Application</a></div><div class="ttdef"><b>Definition:</b> Application.hpp:34</div></div>

  257. <div class="ttc" id="aclassCairoImage_html_aa60a5e3b68032170e8e59fb506c7d3b7"><div class="ttname"><a href="classCairoImage.html#aa60a5e3b68032170e8e59fb506c7d3b7">CairoImage::drawAt</a></div><div class="ttdeci">void drawAt(const GraphicsContext &amp;context, const Point&lt; int &gt; &amp;pos) override</div></div>

  258. <div class="ttc" id="astructCairoGraphicsContext_html"><div class="ttname"><a href="structCairoGraphicsContext.html">CairoGraphicsContext</a></div><div class="ttdef"><b>Definition:</b> Cairo.hpp:33</div></div>

  259. <div class="ttc" id="aclassCairoImage_html_af5f422a5a77f4639a907f8e5dde29ef7"><div class="ttname"><a href="classCairoImage.html#af5f422a5a77f4639a907f8e5dde29ef7">CairoImage::operator=</a></div><div class="ttdeci">CairoImage &amp; operator=(const CairoImage &amp;image) noexcept</div></div>

  260. <div class="ttc" id="aclassCairoImage_html_aeadcf789efdf894a61e477b4d64fc0b6"><div class="ttname"><a href="classCairoImage.html#aeadcf789efdf894a61e477b4d64fc0b6">CairoImage::CairoImage</a></div><div class="ttdeci">CairoImage()</div></div>

  261. <div class="ttc" id="aclassImageBaseAboutWindow_html"><div class="ttname"><a href="classImageBaseAboutWindow.html">ImageBaseAboutWindow</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:28</div></div>

  262. <div class="ttc" id="aclassCairoImage_html"><div class="ttname"><a href="classCairoImage.html">CairoImage</a></div><div class="ttdef"><b>Definition:</b> Cairo.hpp:45</div></div>

  263. <div class="ttc" id="aclassCairoBaseWidget_html"><div class="ttname"><a href="classCairoBaseWidget.html">CairoBaseWidget</a></div><div class="ttdef"><b>Definition:</b> Cairo.hpp:113</div></div>

  264. <div class="ttc" id="aclassCairoImage_html_a861bdbb5cd592feaef43e2202397deed"><div class="ttname"><a href="classCairoImage.html#a861bdbb5cd592feaef43e2202397deed">CairoImage::loadFromMemory</a></div><div class="ttdeci">void loadFromMemory(const char *rawData, const Size&lt; uint &gt; &amp;size, ImageFormat format=kImageFormatBGRA) noexcept override</div></div>

  265. <div class="ttc" id="aclassCairoBaseWidget_html_ab76ae3b54d624b194e6392ba48799ce4"><div class="ttname"><a href="classCairoBaseWidget.html#ab76ae3b54d624b194e6392ba48799ce4">CairoBaseWidget::~CairoBaseWidget</a></div><div class="ttdeci">virtual ~CairoBaseWidget()</div><div class="ttdef"><b>Definition:</b> Cairo.hpp:143</div></div>

  266. <div class="ttc" id="aclassCairoBaseWidget_html_a264d5e3f7de6dd5c9f9b492f5577420f"><div class="ttname"><a href="classCairoBaseWidget.html#a264d5e3f7de6dd5c9f9b492f5577420f">CairoBaseWidget::CairoBaseWidget</a></div><div class="ttdeci">CairoBaseWidget(Widget *const parentGroupWidget)</div></div>

  267. <div class="ttc" id="aclassImageBase_html"><div class="ttname"><a href="classImageBase.html">ImageBase</a></div><div class="ttdef"><b>Definition:</b> ImageBase.hpp:44</div></div>

  268. <div class="ttc" id="aclassCairoBaseWidget_html_a2d59f5625d6e948ccbf7a9d2b3b00adf"><div class="ttname"><a href="classCairoBaseWidget.html#a2d59f5625d6e948ccbf7a9d2b3b00adf">CairoBaseWidget::onCairoDisplay</a></div><div class="ttdeci">virtual void onCairoDisplay(const CairoGraphicsContext &amp;context)=0</div></div>

  269. <div class="ttc" id="aclassCairoImage_html_a36abbee6a47fc3447f00270aa16a82b7"><div class="ttname"><a href="classCairoImage.html#a36abbee6a47fc3447f00270aa16a82b7">CairoImage::~CairoImage</a></div><div class="ttdeci">~CairoImage() override</div></div>

  270. <div class="ttc" id="aclassPoint_html"><div class="ttname"><a href="classPoint.html">Point&lt; int &gt;</a></div></div>

  271. <div class="ttc" id="aclassWidget_html"><div class="ttname"><a href="classWidget.html">Widget</a></div><div class="ttdef"><b>Definition:</b> Widget.hpp:53</div></div>

  272. <!-- start footer part -->

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