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  69. <div class="title">OpenGL.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) 2012-2022 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_OPENGL_HPP_INCLUDED</span></div>

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

  94. <div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="preprocessor">#include &quot;OpenGL-include.hpp&quot;</span></div>

  95. <div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160; </div>

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

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

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

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

  103. <div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="structOpenGLGraphicsContext.html">   32</a></span>&#160;<span class="keyword">struct </span><a class="code" href="structOpenGLGraphicsContext.html">OpenGLGraphicsContext</a> : <a class="code" href="structGraphicsContext.html">GraphicsContext</a></div>

  104. <div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;{</div>

  105. <div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#ifdef DGL_USE_OPENGL3</span></div>

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

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

  112. <div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;ImageFormat asDISTRHOImageFormat(<span class="keyword">const</span> GLenum format)</div>

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

  114. <div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;    <span class="keywordflow">switch</span> (format)</div>

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

  116. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="preprocessor">#ifdef DGL_USE_OPENGL3</span></div>

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

  118. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="preprocessor">#else</span></div>

  119. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;    <span class="keywordflow">case</span> GL_LUMINANCE:</div>

  120. <div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="preprocessor">#endif</span></div>

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

  122. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keywordflow">case</span> GL_BGR:</div>

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

  124. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <span class="keywordflow">case</span> GL_BGRA:</div>

  125. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;        <span class="keywordflow">return</span> kImageFormatBGRA;</div>

  126. <div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    <span class="keywordflow">case</span> GL_RGB:</div>

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

  128. <div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywordflow">case</span> GL_RGBA:</div>

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

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

  131. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160; </div>

  132. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordflow">return</span> kImageFormatNull;</div>

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

  134. <div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160; </div>

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

  136. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;GLenum asOpenGLImageFormat(<span class="keyword">const</span> ImageFormat format)</div>

  137. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;{</div>

  138. <div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;    <span class="keywordflow">switch</span> (format)</div>

  139. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    {</div>

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

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

  142. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;    <span class="keywordflow">case</span> kImageFormatGrayscale:</div>

  143. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="preprocessor">#ifdef DGL_USE_OPENGL3</span></div>

  144. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;        <span class="keywordflow">return</span> GL_RED;</div>

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

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

  147. <div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="preprocessor">#endif</span></div>

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keywordflow">case</span> kImageFormatBGR:</div>

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

  150. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordflow">case</span> kImageFormatBGRA:</div>

  151. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;        <span class="keywordflow">return</span> GL_BGRA;</div>

  152. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordflow">case</span> kImageFormatRGB:</div>

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

  154. <div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    <span class="keywordflow">case</span> kImageFormatRGBA:</div>

  155. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;        <span class="keywordflow">return</span> GL_RGBA;</div>

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

  157. <div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160; </div>

  158. <div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;    <span class="keywordflow">return</span> 0x0;</div>

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

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

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

  164. <div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment">   OpenGL Image class.</span></div>

  165. <div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment"></span> </div>

  166. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment">   This is an Image class that handles raw image data in pixels.</span></div>

  167. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment">   You can init the image data on the contructor or later on by calling loadFromMemory().</span></div>

  168. <div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"></span> </div>

  169. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment">   To generate raw data useful for this class see the utils/png2rgba.py script.</span></div>

  170. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment">   Be careful when using a PNG without alpha channel, for those the format is &#39;GL_BGR&#39;</span></div>

  171. <div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment">   instead of the default &#39;GL_BGRA&#39;.</span></div>

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

  173. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment">   Images are drawn on screen via 2D textures.</span></div>

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

  175. <div class="line"><a name="l00104"></a><span class="lineno"><a class="line" href="classOpenGLImage.html">  104</a></span>&#160;<span class="keyword">class </span><a class="code" href="classOpenGLImage.html">OpenGLImage</a> : <span class="keyword">public</span> <a class="code" href="classImageBase.html">ImageBase</a></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;<span class="keyword">public</span>:<span class="comment"></span></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">      Constructor for a null Image.</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"><a class="line" href="classOpenGLImage.html#a7292ff9abcd2137c0cf8d7c0d57d1eb5">  110</a></span>&#160;    <a class="code" href="classOpenGLImage.html#a7292ff9abcd2137c0cf8d7c0d57d1eb5">OpenGLImage</a>();</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="comment">   /**</span></div>

  184. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment">      Constructor using raw image data.</span></div>

  185. <div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></div>

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

  187. <div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#ab3846413c806171a98ec3f41f5db20a8">  116</a></span>&#160;    <a class="code" href="classOpenGLImage.html#ab3846413c806171a98ec3f41f5db20a8">OpenGLImage</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rawData, uint width, uint height, ImageFormat format = kImageFormatBGRA);</div>

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

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

  190. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="comment">      Constructor using raw image data.</span></div>

  191. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></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"><a class="line" href="classOpenGLImage.html#af61ca1a163bae128817d3ad0ea6095f4">  122</a></span>&#160;    <a class="code" href="classOpenGLImage.html#af61ca1a163bae128817d3ad0ea6095f4">OpenGLImage</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 = kImageFormatBGRA);</div>

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

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

  196. <div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;<span class="comment">      Constructor using another image data.</span></div>

  197. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="comment">    */</span></div>

  198. <div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#a9cd14d74c793c77c3ee3a8f9d291a706">  127</a></span>&#160;    <a class="code" href="classOpenGLImage.html#a9cd14d74c793c77c3ee3a8f9d291a706">OpenGLImage</a>(<span class="keyword">const</span> <a class="code" href="classOpenGLImage.html">OpenGLImage</a>&amp; image);</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">   /**</span></div>

  201. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="comment">      Destructor.</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"><a class="line" href="classOpenGLImage.html#a97461921a4eba66af7cfeaf84595f3ad">  132</a></span>&#160;    <a class="code" href="classOpenGLImage.html#a97461921a4eba66af7cfeaf84595f3ad">~OpenGLImage</a>() <span class="keyword">override</span>;</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">      Load image data from memory.</span></div>

  207. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</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"><a class="line" href="classOpenGLImage.html#a5ee11a12fb84219cf5216396c1cf3c0a">  138</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#a5ee11a12fb84219cf5216396c1cf3c0a">loadFromMemory</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rawData,</div>

  210. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                        <span class="keyword">const</span> <a class="code" href="classSize.html">Size&lt;uint&gt;</a>&amp; size,</div>

  211. <div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;                        ImageFormat format = kImageFormatBGRA) noexcept <span class="keyword">override</span>;</div>

  212. <div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="comment"></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">  143</span>&#160;<span class="comment">      Draw this image at position @a pos using the graphics context @a context.</span></div>

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

  216. <div class="line"><a name="l00145"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">  145</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">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>

  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">   /**</span></div>

  219. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="comment">      TODO document this.</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"><a class="line" href="classOpenGLImage.html#a289cbeb6a607985c323e0cd5a8fbd19a">  150</a></span>&#160;    <a class="code" href="classOpenGLImage.html">OpenGLImage</a>&amp; <a class="code" href="classOpenGLImage.html#a289cbeb6a607985c323e0cd5a8fbd19a">operator=</a>(<span class="keyword">const</span> <a class="code" href="classOpenGLImage.html">OpenGLImage</a>&amp; image) noexcept;</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="comment">// FIXME this should not be needed</span></div>

  224. <div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#a5ee11a12fb84219cf5216396c1cf3c0a">loadFromMemory</a>(<span class="keyword">const</span> <span class="keywordtype">char</span>* rdata, uint w, uint h, ImageFormat fmt = kImageFormatBGRA)</div>

  225. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    { <a class="code" href="classOpenGLImage.html#a5ee11a12fb84219cf5216396c1cf3c0a">loadFromMemory</a>(rdata, <a class="code" href="classSize.html">Size&lt;uint&gt;</a>(w, h), fmt); }</div>

  226. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#a0bd3a7e2a8d8e36ebacf4277a3f915cc">draw</a>(<span class="keyword">const</span> <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp; context)</div>

  227. <div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;    { <a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">drawAt</a>(context, <a class="code" href="classPoint.html">Point&lt;int&gt;</a>(0, 0)); }</div>

  228. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">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>

  229. <div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    { <a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">drawAt</a>(context, <a class="code" href="classPoint.html">Point&lt;int&gt;</a>(x, y)); }</div>

  230. <div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment"></span> </div>

  231. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment">   /**</span></div>

  232. <div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="comment">      Constructor using raw image data, specifying an OpenGL image format.</span></div>

  233. <div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></div>

  234. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="comment">      DEPRECATED This constructor uses OpenGL image format instead of DISTRHO one.</span></div>

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

  236. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    DISTRHO_DEPRECATED_BY(<span class="stringliteral">&quot;OpenGLImage(const char*, uint, uint, ImageFormat)&quot;</span>)</div>

  237. <div class="line"><a name="l00166"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#a729ba128952454d53054e23ea9d3a73f">  166</a></span>&#160;    explicit <a class="code" href="classOpenGLImage.html">OpenGLImage</a>(const <span class="keywordtype">char</span>* rawData, uint width, uint height, GLenum glFormat);</div>

  238. <div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="comment"></span> </div>

  239. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="comment">   /**</span></div>

  240. <div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment">      Constructor using raw image data, specifying an OpenGL image format.</span></div>

  241. <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="comment">      @note @a rawData must remain valid for the lifetime of this Image.</span></div>

  242. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;<span class="comment">      DEPRECATED This constructor uses OpenGL image format instead of DISTRHO one.</span></div>

  243. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;<span class="comment">    */</span></div>

  244. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    DISTRHO_DEPRECATED_BY(&quot;<a class="code" href="classOpenGLImage.html">OpenGLImage</a>(const <span class="keywordtype">char</span>*, const <a class="code" href="classSize.html">Size</a>&lt;uint&gt;&amp;, ImageFormat)&quot;)</div>

  245. <div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#a9f6ac5e7437a8a0aaa28bc298ab9350f">  174</a></span>&#160;    explicit <a class="code" href="classOpenGLImage.html">OpenGLImage</a>(const <span class="keywordtype">char</span>* rawData, const <a class="code" href="classSize.html">Size</a>&lt;uint&gt;&amp; size, GLenum glFormat);</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;<span class="comment">   /**</span></div>

  248. <div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;<span class="comment">      Draw this image at (0, 0) point using the current OpenGL context.</span></div>

  249. <div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;<span class="comment">      DEPRECATED This function does not take into consideration the current graphics context and only works in OpenGL.</span></div>

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

  251. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;    DISTRHO_DEPRECATED_BY(&quot;<a class="code" href="classOpenGLImage.html#a0bd3a7e2a8d8e36ebacf4277a3f915cc">draw</a>(const <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp;)&quot;)</div>

  252. <div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#a0bd3a7e2a8d8e36ebacf4277a3f915cc">  181</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#a0bd3a7e2a8d8e36ebacf4277a3f915cc">draw</a>();</div>

  253. <div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;<span class="comment"></span> </div>

  254. <div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;<span class="comment">   /**</span></div>

  255. <div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;<span class="comment">      Draw this image at (x, y) point using the current OpenGL context.</span></div>

  256. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;<span class="comment">      DEPRECATED This function does not take into consideration the current graphics context and only works in OpenGL.</span></div>

  257. <div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;<span class="comment">    */</span></div>

  258. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    DISTRHO_DEPRECATED_BY(&quot;<a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">drawAt</a>(const <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp;, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>)&quot;)</div>

  259. <div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#a9b707a6bc3994826b250cd92059b711a">  188</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">drawAt</a>(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y);</div>

  260. <div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;<span class="comment"></span> </div>

  261. <div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;<span class="comment">   /**</span></div>

  262. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;<span class="comment">      Draw this image at position @a pos using the current OpenGL context.</span></div>

  263. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;<span class="comment">      DEPRECATED This function does not take into consideration the current graphics context and only works in OpenGL.</span></div>

  264. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;<span class="comment">    */</span></div>

  265. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    DISTRHO_DEPRECATED_BY(&quot;<a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">drawAt</a>(const <a class="code" href="structGraphicsContext.html">GraphicsContext</a>&amp;, const <a class="code" href="classPoint.html">Point</a>&lt;<span class="keywordtype">int</span>&gt;&amp;)&quot;)</div>

  266. <div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#affc660fed1d4be803512d1ff7a0ccaf5">  195</a></span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">drawAt</a>(const <a class="code" href="classPoint.html">Point</a>&lt;<span class="keywordtype">int</span>&gt;&amp; pos);</div>

  267. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="comment"></span> </div>

  268. <div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;<span class="comment">   /**</span></div>

  269. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">      Get the image type.</span></div>

  270. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;<span class="comment">      DEPRECATED Type is always assumed to be GL_UNSIGNED_BYTE.</span></div>

  271. <div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;<span class="comment">    */</span></div>

  272. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    DISTRHO_DEPRECATED</div>

  273. <div class="line"><a name="l00202"></a><span class="lineno"><a class="line" href="classOpenGLImage.html#ac6eb1a0e289c0e29bf8d8cfb3310f40e">  202</a></span>&#160;    GLenum <a class="code" href="classOpenGLImage.html#ac6eb1a0e289c0e29bf8d8cfb3310f40e">getType</a>() const noexcept { <span class="keywordflow">return</span> GL_UNSIGNED_BYTE; }</div>

  274. <div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160; </div>

  275. <div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;<span class="keyword">private</span>:</div>

  276. <div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    GLuint textureId;</div>

  277. <div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    <span class="keywordtype">bool</span> setupCalled;</div>

  278. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;};</div>

  279. <div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160; </div>

  280. <div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  281. <div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160; </div>

  282. <div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseAboutWindow.html">ImageBaseAboutWindow&lt;OpenGLImage&gt;</a> <a class="code" href="classImageBaseAboutWindow.html">OpenGLImageAboutWindow</a>;</div>

  283. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseButton.html">ImageBaseButton&lt;OpenGLImage&gt;</a> <a class="code" href="classImageBaseButton.html">OpenGLImageButton</a>;</div>

  284. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseKnob.html">ImageBaseKnob&lt;OpenGLImage&gt;</a> <a class="code" href="classImageBaseKnob.html">OpenGLImageKnob</a>;</div>

  285. <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseSlider.html">ImageBaseSlider&lt;OpenGLImage&gt;</a> <a class="code" href="classImageBaseSlider.html">OpenGLImageSlider</a>;</div>

  286. <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;<span class="keyword">typedef</span> <a class="code" href="classImageBaseSwitch.html">ImageBaseSwitch&lt;OpenGLImage&gt;</a> <a class="code" href="classImageBaseSwitch.html">OpenGLImageSwitch</a>;</div>

  287. <div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160; </div>

  288. <div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  289. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160; </div>

  290. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;END_NAMESPACE_DGL</div>

  291. <div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160; </div>

  292. <div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;<span class="preprocessor">#endif </span><span class="comment">// DGL_OPENGL_HPP_INCLUDED</span></div>

  293. <div class="ttc" id="aclassImageBaseAboutWindow_html"><div class="ttname"><a href="classImageBaseAboutWindow.html">ImageBaseAboutWindow</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:40</div></div>

  294. <div class="ttc" id="aclassImageBaseButton_html"><div class="ttname"><a href="classImageBaseButton.html">ImageBaseButton</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:86</div></div>

  295. <div class="ttc" id="aclassImageBaseKnob_html"><div class="ttname"><a href="classImageBaseKnob.html">ImageBaseKnob</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:132</div></div>

  296. <div class="ttc" id="aclassImageBaseSlider_html"><div class="ttname"><a href="classImageBaseSlider.html">ImageBaseSlider</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:172</div></div>

  297. <div class="ttc" id="aclassImageBaseSwitch_html"><div class="ttname"><a href="classImageBaseSwitch.html">ImageBaseSwitch</a></div><div class="ttdef"><b>Definition:</b> ImageBaseWidgets.hpp:223</div></div>

  298. <div class="ttc" id="aclassImageBase_html"><div class="ttname"><a href="classImageBase.html">ImageBase</a></div><div class="ttdef"><b>Definition:</b> ImageBase.hpp:45</div></div>

  299. <div class="ttc" id="aclassOpenGLImage_html"><div class="ttname"><a href="classOpenGLImage.html">OpenGLImage</a></div><div class="ttdef"><b>Definition:</b> OpenGL.hpp:105</div></div>

  300. <div class="ttc" id="aclassOpenGLImage_html_a0bd3a7e2a8d8e36ebacf4277a3f915cc"><div class="ttname"><a href="classOpenGLImage.html#a0bd3a7e2a8d8e36ebacf4277a3f915cc">OpenGLImage::draw</a></div><div class="ttdeci">void draw()</div></div>

  301. <div class="ttc" id="aclassOpenGLImage_html_a289cbeb6a607985c323e0cd5a8fbd19a"><div class="ttname"><a href="classOpenGLImage.html#a289cbeb6a607985c323e0cd5a8fbd19a">OpenGLImage::operator=</a></div><div class="ttdeci">OpenGLImage &amp; operator=(const OpenGLImage &amp;image) noexcept</div></div>

  302. <div class="ttc" id="aclassOpenGLImage_html_a5ee11a12fb84219cf5216396c1cf3c0a"><div class="ttname"><a href="classOpenGLImage.html#a5ee11a12fb84219cf5216396c1cf3c0a">OpenGLImage::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>

  303. <div class="ttc" id="aclassOpenGLImage_html_a7292ff9abcd2137c0cf8d7c0d57d1eb5"><div class="ttname"><a href="classOpenGLImage.html#a7292ff9abcd2137c0cf8d7c0d57d1eb5">OpenGLImage::OpenGLImage</a></div><div class="ttdeci">OpenGLImage()</div></div>

  304. <div class="ttc" id="aclassOpenGLImage_html_a97461921a4eba66af7cfeaf84595f3ad"><div class="ttname"><a href="classOpenGLImage.html#a97461921a4eba66af7cfeaf84595f3ad">OpenGLImage::~OpenGLImage</a></div><div class="ttdeci">~OpenGLImage() override</div></div>

  305. <div class="ttc" id="aclassOpenGLImage_html_a9cd14d74c793c77c3ee3a8f9d291a706"><div class="ttname"><a href="classOpenGLImage.html#a9cd14d74c793c77c3ee3a8f9d291a706">OpenGLImage::OpenGLImage</a></div><div class="ttdeci">OpenGLImage(const OpenGLImage &amp;image)</div></div>

  306. <div class="ttc" id="aclassOpenGLImage_html_ab3846413c806171a98ec3f41f5db20a8"><div class="ttname"><a href="classOpenGLImage.html#ab3846413c806171a98ec3f41f5db20a8">OpenGLImage::OpenGLImage</a></div><div class="ttdeci">OpenGLImage(const char *rawData, uint width, uint height, ImageFormat format=kImageFormatBGRA)</div></div>

  307. <div class="ttc" id="aclassOpenGLImage_html_ab97d09a7496436d2823c064708a61287"><div class="ttname"><a href="classOpenGLImage.html#ab97d09a7496436d2823c064708a61287">OpenGLImage::drawAt</a></div><div class="ttdeci">void drawAt(const GraphicsContext &amp;context, const Point&lt; int &gt; &amp;pos) override</div></div>

  308. <div class="ttc" id="aclassOpenGLImage_html_ac6eb1a0e289c0e29bf8d8cfb3310f40e"><div class="ttname"><a href="classOpenGLImage.html#ac6eb1a0e289c0e29bf8d8cfb3310f40e">OpenGLImage::getType</a></div><div class="ttdeci">DISTRHO_DEPRECATED GLenum getType() const noexcept</div><div class="ttdef"><b>Definition:</b> OpenGL.hpp:202</div></div>

  309. <div class="ttc" id="aclassOpenGLImage_html_af61ca1a163bae128817d3ad0ea6095f4"><div class="ttname"><a href="classOpenGLImage.html#af61ca1a163bae128817d3ad0ea6095f4">OpenGLImage::OpenGLImage</a></div><div class="ttdeci">OpenGLImage(const char *rawData, const Size&lt; uint &gt; &amp;size, ImageFormat format=kImageFormatBGRA)</div></div>

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

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

  312. <div class="ttc" id="astructGraphicsContext_html"><div class="ttname"><a href="structGraphicsContext.html">GraphicsContext</a></div><div class="ttdef"><b>Definition:</b> Base.hpp:212</div></div>

  313. <div class="ttc" id="astructOpenGLGraphicsContext_html"><div class="ttname"><a href="structOpenGLGraphicsContext.html">OpenGLGraphicsContext</a></div><div class="ttdef"><b>Definition:</b> OpenGL.hpp:33</div></div>

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