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Extra "ports" of juce-based plugins using the distrho build system
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DISTRHO-Ports-Extra/ports/protoplug/ProtoplugFiles/doc/examples/sinemouse-demo.lua.html

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"

  2.    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

  3. <html>

  4. <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>

  5. <head>

  6.     <title>protoplug: Example sinemouse-demo.lua</title>

  7.     <link rel="stylesheet" href="../ldoc.css" type="text/css" />

  8. </head>

  9. <body>

  10. 

  11. <div id="container">

  12. 

  13. <div id="product">

  14. 	<div id="product_logo"></div>

  15. 	<div id="product_name"><big><b></b></big></div>

  16. 	<div id="product_description"></div>

  17. </div> <!-- id="product" -->

  18. 

  19. 

  20. <div id="main">

  21. 

  22. 

  23. <!-- Menu -->

  24. 

  25. <div id="navigation">

  26. <a href="http://osar.fr">

  27. <div class=osarlogo> </div>

  28. </a>

  29. <br/>

  30. <a href="http://osar.fr/protoplug">

  31. <h1>protoplug</h1>

  32. </a>

  33. 	<span class="proto_subtitle">Lua API reference</span>

  34. 

  35. <ul>

  36.   <li><a href="../index.html">Index</a></li>

  37. </ul>

  38. 

  39. 

  40. 

  41. <h2>Examples</h2>

  42. <ul class="$(kind=='Topics' and '' or 'nowrap'">

  43.   <li><a href="../examples/classic-filter.lua.html">classic-filter.lua</a></li>

  44.   <li><a href="../examples/sine-organ.lua.html">sine-organ.lua</a></li>

  45.   <li><a href="../examples/midi-chordify.lua.html">midi-chordify.lua</a></li>

  46.   <li><strong>sinemouse-demo.lua</strong></li>

  47.   <li><a href="../examples/soundfile-test.lua.html">soundfile-test.lua</a></li>

  48. </ul>

  49. <h2>Modules</h2>

  50. <ul class="$(kind=='Topics' and '' or 'nowrap'">

  51.   <li><a href="../modules/plugin.html">plugin</a></li>

  52.   <li><a href="../modules/script.html">script</a></li>

  53.   <li><a href="../modules/midi.html">midi</a></li>

  54.   <li><a href="../modules/gui.html">gui</a></li>

  55.   <li><a href="../modules/polyGen.html">polyGen</a></li>

  56.   <li><a href="../modules/stereoFx.html">stereoFx</a></li>

  57. </ul>

  58. <h2>Classes</h2>

  59. <ul class="$(kind=='Topics' and '' or 'nowrap'">

  60.   <li><a href="../classes/juce.AffineTransform.html">juce.AffineTransform</a></li>

  61.   <li><a href="../classes/juce.AudioFormatReader.html">juce.AudioFormatReader</a></li>

  62.   <li><a href="../classes/juce.Colour.html">juce.Colour</a></li>

  63.   <li><a href="../classes/juce.ColourGradient.html">juce.ColourGradient</a></li>

  64.   <li><a href="../classes/juce.Component.html">juce.Component</a></li>

  65.   <li><a href="../classes/juce.FillType.html">juce.FillType</a></li>

  66.   <li><a href="../classes/juce.Font.html">juce.Font</a></li>

  67.   <li><a href="../classes/juce.Graphics.html">juce.Graphics</a></li>

  68.   <li><a href="../classes/juce.Image.html">juce.Image</a></li>

  69.   <li><a href="../classes/juce.Justification.html">juce.Justification</a></li>

  70.   <li><a href="../classes/juce.LagrangeInterpolator.html">juce.LagrangeInterpolator</a></li>

  71.   <li><a href="../classes/juce.Line.html">juce.Line</a></li>

  72.   <li><a href="../classes/juce.Path.html">juce.Path</a></li>

  73.   <li><a href="../classes/juce.Point.html">juce.Point</a></li>

  74.   <li><a href="../classes/juce.RectanglePlacement.html">juce.RectanglePlacement</a></li>

  75.   <li><a href="../classes/juce.Rectangle_float.html">juce.Rectangle_float</a></li>

  76.   <li><a href="../classes/juce.Rectangle_int.html">juce.Rectangle_int</a></li>

  77. </ul>

  78. 

  79. </div>

  80. 

  81. <div id="content">

  82. 

  83.     <pre>

  84. <span class="comment">--[[

  85. name: sinemouse demo

  86. description: &gt;

  87.   Custom GUI demonstration : Drag your mouse around in the

  88.   frame to control the sine wave's amplitude and frequency.

  89. author: osar.fr

  90. --]]</span>

  91. 

  92. <span class="global">require</span> <span class="string">"include/protoplug"</span>

  93. 

  94. <span class="keyword">local</span> freq,amp = <span class="number">440</span>, <span class="number">0</span>

  95. <span class="keyword">local</span> delta, phase = <span class="number">0.06</span>, <span class="number">0</span>

  96. 

  97. <span class="keyword">function</span> plugin.processBlock(samples, smax)

  98. 	<span class="keyword">for</span> i=<span class="number">0</span>,smax <span class="keyword">do</span>

  99. 		<span class="keyword">local</span> s = <span class="global">math</span>.sin(phase)*amp

  100. 		samples[<span class="number">0</span>][i] = s <span class="comment">-- left

  101. </span>		samples[<span class="number">1</span>][i] = s <span class="comment">-- right

  102. </span>		phase = phase + delta

  103. 	<span class="keyword">end</span>

  104. <span class="keyword">end</span>

  105. 

  106. <span class="keyword">local</span> J = juce

  107. <span class="keyword">local</span> frame = J.Rectangle_int(<span class="number">20</span>,<span class="number">20</span>,<span class="number">400</span>,<span class="number">300</span>)

  108. <span class="keyword">local</span> sideways = J.AffineTransform():rotated(<span class="global">math</span>.pi*<span class="number">0.5</span>)

  109. 

  110. <span class="keyword">function</span> gui.paint(g)

  111. 	g:fillAll()

  112. 	g:setColour(J.Colour.green)

  113. 	g:drawRect(frame)

  114. 	g:drawText(<span class="string">"Frequency"</span>, <span class="number">20</span>, <span class="number">320</span>, <span class="number">400</span>, <span class="number">20</span>, J.Justification.centred)

  115. 	g:addTransform(sideways)

  116. 	g:drawText(<span class="string">"amplitude"</span>, <span class="number">20</span>, -<span class="number">440</span>, <span class="number">300</span>, <span class="number">20</span>, J.Justification.centred)

  117. <span class="keyword">end</span>

  118. 

  119. <span class="keyword">local</span> <span class="keyword">function</span> mouseHandler(event)

  120. 	<span class="keyword">if</span> <span class="keyword">not</span> frame:contains(J.Point(event.x,event.y)) <span class="keyword">then</span>

  121. 		<span class="keyword">return</span>

  122. 	<span class="keyword">end</span>

  123. 	freq = event.x + <span class="number">80</span>

  124. 	amp = (<span class="number">320</span>-event.y)/<span class="number">300</span>

  125. 	<span class="keyword">local</span> sr = plugin.isSampleRateKnown() <span class="keyword">and</span> plugin.getSampleRate() <span class="keyword">or</span> <span class="number">44100</span>

  126. 	delta = <span class="number">2</span>*<span class="global">math</span>.pi*freq/sr

  127. <span class="keyword">end</span>

  128. 

  129. gui.addHandler(<span class="string">"mouseDrag"</span>, mouseHandler)

  130. gui.addHandler(<span class="string">"mouseDown"</span>, mouseHandler)</pre>

  131. 

  132. 

  133. </div> <!-- id="content" -->

  134. </div> <!-- id="main" -->

  135. <div id="about">

  136. <i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.2</a></i>

  137. </div> <!-- id="about" -->

  138. </div> <!-- id="container" -->

  139. </body>

  140. </html>