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DISTRHO Plugin Framework
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  69. <div class="title">ImageWidgets.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>

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  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_IMAGE_WIDGETS_HPP_INCLUDED</span></div>

  89. <div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="preprocessor">#define DGL_IMAGE_WIDGETS_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;Image.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="comment">// TODO switch to use templated image type after merging widget-related PRs</span></div>

  96. <div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="preprocessor">#if defined(__GNUC__) &amp;&amp; (__GNUC__ &gt;= 6)</span></div>

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

  98. <div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="preprocessor"># pragma GCC diagnostic ignored &quot;-Wdeprecated-declarations&quot;</span></div>

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

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

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

  102. <div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160; </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">   33</span>&#160; </div>

  105. <div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classImageKnob.html">   34</a></span>&#160;<span class="keyword">class </span><a class="code" href="classImageKnob.html">ImageKnob</a> : <span class="keyword">public</span> <a class="code" href="classSubWidget.html">SubWidget</a></div>

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

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

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

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

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

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

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

  113. <div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classImageKnob_1_1Callback.html">   42</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classImageKnob_1_1Callback.html">Callback</a></div>

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

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

  116. <div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classImageKnob_1_1Callback.html">Callback</a>() {}</div>

  117. <div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageKnobDragStarted(<a class="code" href="classImageKnob.html">ImageKnob</a>* imageKnob) = 0;</div>

  118. <div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageKnobDragFinished(<a class="code" href="classImageKnob.html">ImageKnob</a>* imageKnob) = 0;</div>

  119. <div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageKnobValueChanged(<a class="code" href="classImageKnob.html">ImageKnob</a>* imageKnob, <span class="keywordtype">float</span> value) = 0;</div>

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

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

  122. <div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classImageKnob.html">ImageKnob</a>(<a class="code" href="classWidget.html">Widget</a>* parentWidget, <span class="keyword">const</span> Image&amp; image, Orientation orientation = Vertical) noexcept;</div>

  123. <div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classImageKnob.html">ImageKnob</a>(<span class="keyword">const</span> <a class="code" href="classImageKnob.html">ImageKnob</a>&amp; imageKnob);</div>

  124. <div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;    <a class="code" href="classImageKnob.html">ImageKnob</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classImageKnob.html">ImageKnob</a>&amp; imageKnob);</div>

  125. <div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;    ~<a class="code" href="classImageKnob.html">ImageKnob</a>() <span class="keyword">override</span>;</div>

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

  127. <div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;    <span class="keywordtype">float</span> getValue() const noexcept;</div>

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

  129. <div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;    <span class="keywordtype">void</span> setDefault(<span class="keywordtype">float</span> def) noexcept;</div>

  130. <div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;    <span class="keywordtype">void</span> setRange(<span class="keywordtype">float</span> min, <span class="keywordtype">float</span> max) noexcept;</div>

  131. <div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;    <span class="keywordtype">void</span> setStep(<span class="keywordtype">float</span> step) noexcept;</div>

  132. <div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;    <span class="keywordtype">void</span> setValue(<span class="keywordtype">float</span> value, <span class="keywordtype">bool</span> sendCallback = false) noexcept;</div>

  133. <div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keywordtype">void</span> setUsingLogScale(<span class="keywordtype">bool</span> yesNo) noexcept;</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="keywordtype">void</span> setCallback(<a class="code" href="classImageKnob_1_1Callback.html">Callback</a>* callback) noexcept;</div>

  136. <div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;    <span class="keywordtype">void</span> setOrientation(Orientation orientation) noexcept;</div>

  137. <div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;    <span class="keywordtype">void</span> setRotationAngle(<span class="keywordtype">int</span> angle);</div>

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

  139. <div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    <span class="keywordtype">void</span> setImageLayerCount(uint count) noexcept;</div>

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

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

  142. <div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;     <span class="keywordtype">void</span> <a class="code" href="classImageKnob.html#a7123a12c906463700df8c6f24cd0a62f">onDisplay</a>() override;</div>

  143. <div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;     <span class="keywordtype">bool</span> <a class="code" href="classImageKnob.html#a473247914d3751d629dd8690f74af07b">onMouse</a>(const <a class="code" href="structWidget_1_1MouseEvent.html">MouseEvent</a>&amp;) override;</div>

  144. <div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;     <span class="keywordtype">bool</span> <a class="code" href="classImageKnob.html#a299a1721471747dc173633f21bd75b1f">onMotion</a>(const <a class="code" href="structWidget_1_1MotionEvent.html">MotionEvent</a>&amp;) override;</div>

  145. <div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;     <span class="keywordtype">bool</span> <a class="code" href="classImageKnob.html#a2cdc26028611554458a74b32740ac33b">onScroll</a>(const <a class="code" href="structWidget_1_1ScrollEvent.html">ScrollEvent</a>&amp;) override;</div>

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

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

  148. <div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;    Image fImage;</div>

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

  150. <div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;    <span class="keywordtype">float</span> fMaximum;</div>

  151. <div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="keywordtype">float</span> fStep;</div>

  152. <div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;    <span class="keywordtype">float</span> fValue;</div>

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

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

  155. <div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;    <span class="keywordtype">bool</span>  fUsingDefault;</div>

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

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

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

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

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

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

  162. <div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;    <span class="keywordtype">int</span>  fLastY;</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;    <a class="code" href="classImageKnob_1_1Callback.html">Callback</a>* fCallback;</div>

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

  166. <div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;    <span class="keywordtype">bool</span> fIsImgVertical;</div>

  167. <div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;    uint fImgLayerWidth;</div>

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

  169. <div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;    uint fImgLayerCount;</div>

  170. <div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <span class="keywordtype">bool</span> fIsReady;</div>

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

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

  173. <div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <span class="keywordtype">float</span> _logscale(<span class="keywordtype">float</span> value) const;</div>

  174. <div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <span class="keywordtype">float</span> _invlogscale(<span class="keywordtype">float</span> value) const;</div>

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

  176. <div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    DISTRHO_LEAK_DETECTOR(<a class="code" href="classImageKnob.html">ImageKnob</a>)</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; </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; </div>

  181. <div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment">// note set range and step before setting the value</span></div>

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

  183. <div class="line"><a name="l00112"></a><span class="lineno"><a class="line" href="classImageSlider.html">  112</a></span>&#160;class <a class="code" href="classImageSlider.html">ImageSlider</a> : public <a class="code" href="classSubWidget.html">SubWidget</a></div>

  184. <div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;{</div>

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

  186. <div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="classImageSlider_1_1Callback.html">  115</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classImageSlider_1_1Callback.html">Callback</a></div>

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

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

  189. <div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classImageSlider_1_1Callback.html">Callback</a>() {}</div>

  190. <div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageSliderDragStarted(<a class="code" href="classImageSlider.html">ImageSlider</a>* imageSlider) = 0;</div>

  191. <div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageSliderDragFinished(<a class="code" href="classImageSlider.html">ImageSlider</a>* imageSlider) = 0;</div>

  192. <div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageSliderValueChanged(<a class="code" href="classImageSlider.html">ImageSlider</a>* imageSlider, <span class="keywordtype">float</span> value) = 0;</div>

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

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

  195. <div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classImageSlider.html">ImageSlider</a>(<a class="code" href="classWidget.html">Widget</a>* parentWidget, <span class="keyword">const</span> Image&amp; image) noexcept;</div>

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

  197. <div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    <span class="keywordtype">float</span> getValue() const noexcept;</div>

  198. <div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    <span class="keywordtype">void</span> setValue(<span class="keywordtype">float</span> value, <span class="keywordtype">bool</span> sendCallback = false) noexcept;</div>

  199. <div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keywordtype">void</span> setDefault(<span class="keywordtype">float</span> def) noexcept;</div>

  200. <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160; </div>

  201. <div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;    <span class="keywordtype">void</span> setStartPos(const <a class="code" href="classPoint.html">Point</a>&lt;<span class="keywordtype">int</span>&gt;&amp; startPos) noexcept;</div>

  202. <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;    <span class="keywordtype">void</span> setStartPos(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) noexcept;</div>

  203. <div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;    <span class="keywordtype">void</span> setEndPos(const <a class="code" href="classPoint.html">Point</a>&lt;<span class="keywordtype">int</span>&gt;&amp; endPos) noexcept;</div>

  204. <div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;    <span class="keywordtype">void</span> setEndPos(<span class="keywordtype">int</span> x, <span class="keywordtype">int</span> y) noexcept;</div>

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

  206. <div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    <span class="keywordtype">void</span> setInverted(<span class="keywordtype">bool</span> inverted) noexcept;</div>

  207. <div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;    <span class="keywordtype">void</span> setRange(<span class="keywordtype">float</span> min, <span class="keywordtype">float</span> max) noexcept;</div>

  208. <div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    <span class="keywordtype">void</span> setStep(<span class="keywordtype">float</span> step) noexcept;</div>

  209. <div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160; </div>

  210. <div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordtype">void</span> setCallback(<a class="code" href="classImageSlider_1_1Callback.html">Callback</a>* callback) noexcept;</div>

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

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

  213. <div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;     <span class="keywordtype">void</span> <a class="code" href="classImageKnob.html#a7123a12c906463700df8c6f24cd0a62f">onDisplay</a>() override;</div>

  214. <div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;     <span class="keywordtype">bool</span> <a class="code" href="classImageKnob.html#a473247914d3751d629dd8690f74af07b">onMouse</a>(const <a class="code" href="structWidget_1_1MouseEvent.html">MouseEvent</a>&amp;) override;</div>

  215. <div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;     <span class="keywordtype">bool</span> <a class="code" href="classImageKnob.html#a299a1721471747dc173633f21bd75b1f">onMotion</a>(const <a class="code" href="structWidget_1_1MotionEvent.html">MotionEvent</a>&amp;) override;</div>

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

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

  218. <div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;    Image fImage;</div>

  219. <div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    <span class="keywordtype">float</span> fMinimum;</div>

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

  221. <div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    <span class="keywordtype">float</span> fStep;</div>

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

  223. <div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <span class="keywordtype">float</span> fValueDef;</div>

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

  225. <div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    <span class="keywordtype">bool</span>  fUsingDefault;</div>

  226. <div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160; </div>

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

  228. <div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;    <span class="keywordtype">bool</span> fInverted;</div>

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

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

  231. <div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;    <span class="keywordtype">int</span>  fStartedY;</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;    <a class="code" href="classImageSlider_1_1Callback.html">Callback</a>* fCallback;</div>

  234. <div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160; </div>

  235. <div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;    <a class="code" href="classPoint.html">Point</a>&lt;<span class="keywordtype">int</span>&gt; fStartPos;</div>

  236. <div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    <a class="code" href="classPoint.html">Point</a>&lt;<span class="keywordtype">int</span>&gt; fEndPos;</div>

  237. <div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <a class="code" href="classRectangle.html">Rectangle</a>&lt;<span class="keywordtype">double</span>&gt; fSliderArea;</div>

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

  239. <div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keywordtype">void</span> _recheckArea() noexcept;</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">// these should not be used</span></div>

  242. <div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classSubWidget.html#abcd0a00a4c3cdc402aea56044df26cc3">setAbsoluteX</a>(<span class="keywordtype">int</span>) const noexcept {}</div>

  243. <div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classSubWidget.html#a3c674e3c46206ac29a562c0f02dcf82c">setAbsoluteY</a>(<span class="keywordtype">int</span>) <span class="keyword">const</span> noexcept {}</div>

  244. <div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classSubWidget.html#a0e7a4dd27eee8a3a1b7bf12d9f21769f">setAbsolutePos</a>(<span class="keywordtype">int</span>, <span class="keywordtype">int</span>) <span class="keyword">const</span> noexcept {}</div>

  245. <div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    <span class="keywordtype">void</span> <a class="code" href="classSubWidget.html#a0e7a4dd27eee8a3a1b7bf12d9f21769f">setAbsolutePos</a>(<span class="keyword">const</span> <a class="code" href="classPoint.html">Point&lt;int&gt;</a>&amp;) <span class="keyword">const</span> noexcept {}</div>

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

  247. <div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(<a class="code" href="classImageSlider.html">ImageSlider</a>)</div>

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

  251. <div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160; </div>

  252. <div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="classImageSwitch.html">  181</a></span>&#160;<span class="keyword">class </span><a class="code" href="classImageSwitch.html">ImageSwitch</a> : <span class="keyword">public</span> <a class="code" href="classSubWidget.html">SubWidget</a></div>

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

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

  255. <div class="line"><a name="l00184"></a><span class="lineno"><a class="line" href="classImageSwitch_1_1Callback.html">  184</a></span>&#160;    <span class="keyword">class </span><a class="code" href="classImageSwitch_1_1Callback.html">Callback</a></div>

  256. <div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;    {</div>

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

  258. <div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;        <span class="keyword">virtual</span> ~<a class="code" href="classImageSwitch_1_1Callback.html">Callback</a>() {}</div>

  259. <div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;        <span class="keyword">virtual</span> <span class="keywordtype">void</span> imageSwitchClicked(<a class="code" href="classImageSwitch.html">ImageSwitch</a>* imageSwitch, <span class="keywordtype">bool</span> down) = 0;</div>

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

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

  262. <div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classImageSwitch.html">ImageSwitch</a>(<a class="code" href="classWidget.html">Widget</a>* parentWidget, <span class="keyword">const</span> Image&amp; imageNormal, <span class="keyword">const</span> Image&amp; imageDown) noexcept;</div>

  263. <div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keyword">explicit</span> <a class="code" href="classImageSwitch.html">ImageSwitch</a>(<span class="keyword">const</span> <a class="code" href="classImageSwitch.html">ImageSwitch</a>&amp; imageSwitch) noexcept;</div>

  264. <div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <a class="code" href="classImageSwitch.html">ImageSwitch</a>&amp; operator=(<span class="keyword">const</span> <a class="code" href="classImageSwitch.html">ImageSwitch</a>&amp; imageSwitch) noexcept;</div>

  265. <div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160; </div>

  266. <div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;    <span class="keywordtype">bool</span> isDown() const noexcept;</div>

  267. <div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    <span class="keywordtype">void</span> setDown(<span class="keywordtype">bool</span> down) noexcept;</div>

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

  269. <div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;    <span class="keywordtype">void</span> setCallback(<a class="code" href="classImageSwitch_1_1Callback.html">Callback</a>* callback) noexcept;</div>

  270. <div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160; </div>

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

  272. <div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;     <span class="keywordtype">void</span> <a class="code" href="classImageKnob.html#a7123a12c906463700df8c6f24cd0a62f">onDisplay</a>() override;</div>

  273. <div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;     <span class="keywordtype">bool</span> <a class="code" href="classImageKnob.html#a473247914d3751d629dd8690f74af07b">onMouse</a>(const <a class="code" href="structWidget_1_1MouseEvent.html">MouseEvent</a>&amp;) override;</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;private:</div>

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

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

  278. <div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;    <span class="keywordtype">bool</span>  fIsDown;</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;    <a class="code" href="classImageSwitch_1_1Callback.html">Callback</a>* fCallback;</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;    DISTRHO_LEAK_DETECTOR(<a class="code" href="classImageSwitch.html">ImageSwitch</a>)</div>

  283. <div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;};</div>

  284. <div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160; </div>

  285. <div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;<span class="comment">// -----------------------------------------------------------------------</span></div>

  286. <div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>

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

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

  289. <div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;<span class="preprocessor">#if defined(__GNUC__) &amp;&amp; (__GNUC__ &gt;= 6)</span></div>

  290. <div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;<span class="preprocessor"># pragma GCC diagnostic pop</span></div>

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

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

  293. <div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;<span class="preprocessor">#endif // DGL_IMAGE_WIDGETS_HPP_INCLUDED</span></div>

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

  295. <div class="ttc" id="astructWidget_1_1ScrollEvent_html"><div class="ttname"><a href="structWidget_1_1ScrollEvent.html">Widget::ScrollEvent</a></div><div class="ttdef"><b>Definition:</b> Widget.hpp:206</div></div>

  296. <div class="ttc" id="aclassSubWidget_html_a0e7a4dd27eee8a3a1b7bf12d9f21769f"><div class="ttname"><a href="classSubWidget.html#a0e7a4dd27eee8a3a1b7bf12d9f21769f">SubWidget::setAbsolutePos</a></div><div class="ttdeci">void setAbsolutePos(int x, int y) noexcept</div></div>

  297. <div class="ttc" id="aclassSubWidget_html_a3c674e3c46206ac29a562c0f02dcf82c"><div class="ttname"><a href="classSubWidget.html#a3c674e3c46206ac29a562c0f02dcf82c">SubWidget::setAbsoluteY</a></div><div class="ttdeci">void setAbsoluteY(int y) noexcept</div></div>

  298. <div class="ttc" id="aclassRectangle_html"><div class="ttname"><a href="classRectangle.html">Rectangle</a></div><div class="ttdef"><b>Definition:</b> Geometry.hpp:30</div></div>

  299. <div class="ttc" id="aclassSubWidget_html_abcd0a00a4c3cdc402aea56044df26cc3"><div class="ttname"><a href="classSubWidget.html#abcd0a00a4c3cdc402aea56044df26cc3">SubWidget::setAbsoluteX</a></div><div class="ttdeci">void setAbsoluteX(int x) noexcept</div></div>

  300. <div class="ttc" id="aclassImageKnob_1_1Callback_html"><div class="ttname"><a href="classImageKnob_1_1Callback.html">ImageKnob::Callback</a></div><div class="ttdef"><b>Definition:</b> ImageWidgets.hpp:42</div></div>

  301. <div class="ttc" id="aclassImageKnob_html_a2cdc26028611554458a74b32740ac33b"><div class="ttname"><a href="classImageKnob.html#a2cdc26028611554458a74b32740ac33b">ImageKnob::onScroll</a></div><div class="ttdeci">bool onScroll(const ScrollEvent &amp;) override</div></div>

  302. <div class="ttc" id="astructWidget_1_1MotionEvent_html"><div class="ttname"><a href="structWidget_1_1MotionEvent.html">Widget::MotionEvent</a></div><div class="ttdef"><b>Definition:</b> Widget.hpp:183</div></div>

  303. <div class="ttc" id="aclassImageSlider_1_1Callback_html"><div class="ttname"><a href="classImageSlider_1_1Callback.html">ImageSlider::Callback</a></div><div class="ttdef"><b>Definition:</b> ImageWidgets.hpp:115</div></div>

  304. <div class="ttc" id="aclassImageSwitch_html"><div class="ttname"><a href="classImageSwitch.html">ImageSwitch</a></div><div class="ttdef"><b>Definition:</b> ImageWidgets.hpp:181</div></div>

  305. <div class="ttc" id="aclassImageSwitch_1_1Callback_html"><div class="ttname"><a href="classImageSwitch_1_1Callback.html">ImageSwitch::Callback</a></div><div class="ttdef"><b>Definition:</b> ImageWidgets.hpp:184</div></div>

  306. <div class="ttc" id="aclassImageKnob_html_a299a1721471747dc173633f21bd75b1f"><div class="ttname"><a href="classImageKnob.html#a299a1721471747dc173633f21bd75b1f">ImageKnob::onMotion</a></div><div class="ttdeci">bool onMotion(const MotionEvent &amp;) override</div></div>

  307. <div class="ttc" id="aclassImageKnob_html"><div class="ttname"><a href="classImageKnob.html">ImageKnob</a></div><div class="ttdef"><b>Definition:</b> ImageWidgets.hpp:34</div></div>

  308. <div class="ttc" id="aclassImageSlider_html"><div class="ttname"><a href="classImageSlider.html">ImageSlider</a></div><div class="ttdef"><b>Definition:</b> ImageWidgets.hpp:112</div></div>

  309. <div class="ttc" id="aclassImageKnob_html_a473247914d3751d629dd8690f74af07b"><div class="ttname"><a href="classImageKnob.html#a473247914d3751d629dd8690f74af07b">ImageKnob::onMouse</a></div><div class="ttdeci">bool onMouse(const MouseEvent &amp;) override</div></div>

  310. <div class="ttc" id="aclassPoint_html"><div class="ttname"><a href="classPoint.html">Point</a></div><div class="ttdef"><b>Definition:</b> Geometry.hpp:40</div></div>

  311. <div class="ttc" id="aclassSubWidget_html"><div class="ttname"><a href="classSubWidget.html">SubWidget</a></div><div class="ttdef"><b>Definition:</b> SubWidget.hpp:39</div></div>

  312. <div class="ttc" id="astructWidget_1_1MouseEvent_html"><div class="ttname"><a href="structWidget_1_1MouseEvent.html">Widget::MouseEvent</a></div><div class="ttdef"><b>Definition:</b> Widget.hpp:164</div></div>

  313. <div class="ttc" id="aclassImageKnob_html_a7123a12c906463700df8c6f24cd0a62f"><div class="ttname"><a href="classImageKnob.html#a7123a12c906463700df8c6f24cd0a62f">ImageKnob::onDisplay</a></div><div class="ttdeci">void onDisplay() override</div></div>

  314. <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>

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