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Ethosa
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NodesNim
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NodesNim
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canvas.html

canvas.html 31 KB
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  1. <?xml version="1.0" encoding="utf-8" ?>
    2. 

  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    3. 

  3.   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    4. 

  4. <!--  This file is generated by Nim. -->
    5. 

  5. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
    6. 

  6. <head>
    7. 

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

  8. 

  9. <meta name="viewport" content="width=device-width, initial-scale=1.0">
    10. 

  10. 

  11. <!-- Favicon -->
    12. 

  12. <link rel="shortcut icon" href="data:image/x-icon;base64,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"/>
    13. 

  13. <link rel="icon" type="image/png" sizes="32x32" href="data:image/png;base64,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">
    14. 

  14. 

  15. <!-- Google fonts -->
    16. 

  16. <link href='https://fonts.googleapis.com/css?family=Lato:400,600,900' rel='stylesheet' type='text/css'/>
    17. 

  17. <link href='https://fonts.googleapis.com/css?family=Source+Code+Pro:400,500,600' rel='stylesheet' type='text/css'/>
    18. 

  18. 

  19. <!-- CSS -->
    20. 

  20. <title>canvas</title>
    21. 

  21. <link rel="stylesheet" type="text/css" href="nimdoc.out.css">
    22. 

  22. 

  23. <script type="text/javascript" src="dochack.js"></script>
    24. 

  24. 

  25. <script type="text/javascript">
    26. 

  26. function main() {
    27. 

  27.   var pragmaDots = document.getElementsByClassName("pragmadots");
    28. 

  28.   for (var i = 0; i < pragmaDots.length; i++) {
    29. 

  29.     pragmaDots[i].onclick = function(event) {
    30. 

  30.       // Hide tease
    31. 

  31.       event.target.parentNode.style.display = "none";
    32. 

  32.       // Show actual
    33. 

  33.       event.target.parentNode.nextElementSibling.style.display = "inline";
    34. 

  34.     }
    35. 

  35.   }
    36. 

  36. 

  37.   const toggleSwitch = document.querySelector('.theme-switch input[type="checkbox"]');
    38. 

  38.   function switchTheme(e) {
    39. 

  39.       if (e.target.checked) {
    40. 

  40.           document.documentElement.setAttribute('data-theme', 'dark');
    41. 

  41.           localStorage.setItem('theme', 'dark');
    42. 

  42.       } else {
    43. 

  43.           document.documentElement.setAttribute('data-theme', 'light');
    44. 

  44.           localStorage.setItem('theme', 'light');
    45. 

  45.       }
    46. 

  46.   }
    47. 

  47. 

  48.   toggleSwitch.addEventListener('change', switchTheme, false);
    49. 

  49. 

  50. 

  51.   if (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) {
    52. 

  52.     document.documentElement.setAttribute('data-theme', "dark");
    53. 

  53.     toggleSwitch.checked = true;
    54. 

  54.   } else if (window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches) {
    55. 

  55.     document.documentElement.setAttribute('data-theme', "light");
    56. 

  56.     toggleSwitch.checked = false;
    57. 

  57.   } else {
    58. 

  58.     const currentTheme = localStorage.getItem('theme') ? localStorage.getItem('theme') : null;
    59. 

  59.     if (currentTheme) {
    60. 

  60.       document.documentElement.setAttribute('data-theme', currentTheme);
    61. 

  61. 

  62.       if (currentTheme === 'dark') {
    63. 

  63.         toggleSwitch.checked = true;
    64. 

  64.       }
    65. 

  65.     }
    66. 

  66.   }
    67. 

  67. }
    68. 

  68. </script>
    69. 

  69. 

  70. </head>
    71. 

  71. <body onload="main()">
    72. 

  72. <div class="document" id="documentId">
    73. 

  73.   <div class="container">
    74. 

  74.     <h1 class="title">canvas</h1>
    75. 

  75.     <div class="row">
    76. 

  76.   <div class="three columns">
    77. 

  77.   <div class="theme-switch-wrapper">
    78. 

  78.     <label class="theme-switch" for="checkbox">
    79. 

  79.       <input type="checkbox" id="checkbox" />
    80. 

  80.       <div class="slider round"></div>
    81. 

  81.     </label>
    82. 

  82.     &nbsp;&nbsp;&nbsp; <em>Dark Mode</em>
    83. 

  83.   </div>
    84. 

  84.   <div id="global-links">
    85. 

  85.     <ul class="simple">
    86. 

  86.     </ul>
    87. 

  87.   </div>
    88. 

  88.   <div id="searchInputDiv">
    89. 

  89.     Search: <input type="text" id="searchInput"
    90. 

  90.       onkeyup="search()" />
    91. 

  91.   </div>
    92. 

  92.   <div>
    93. 

  93.     Group by:
    94. 

  94.     <select onchange="groupBy(this.value)">
    95. 

  95.       <option value="section">Section</option>
    96. 

  96.       <option value="type">Type</option>
    97. 

  97.     </select>
    98. 

  98.   </div>
    99. 

  99.   <ul class="simple simple-toc" id="toc-list">
    100. 

  100. <li>
    101. 

  101.   <a class="reference reference-toplevel" href="#6" id="56">Imports</a>
    102. 

  102.   <ul class="simple simple-toc-section">
    103. 

  103.     
    104. 

  104.   </ul>
    105. 

  105. </li>
    106. 

  106. <li>
    107. 

  107.   <a class="reference reference-toplevel" href="#7" id="57">Types</a>
    108. 

  108.   <ul class="simple simple-toc-section">
    109. 

  109.       <li><a class="reference" href="#DrawCommandType"
    110. 

  110.     title="DrawCommandType {.size: 1.} = enum
    111. 

  111.   POINT, LINE, RECT, FILL, CIRCLE"><wbr />Draw<wbr />Command<wbr />Type<span class="attachedType"></span></a></li>
    112. 

  112.   <li><a class="reference" href="#DrawCommand"
    113. 

  113.     title="DrawCommand = object
    114. 

  114.   x1*, y1*: GLfloat
    115. 

  115.   color*: ColorRef
    116. 

  116.   case kind*: DrawCommandType
    117. 

  117.   of LINE, RECT:
    118. 

  118.       x2*, y2*: GLfloat
    119. 

  119. 

  120.   of CIRCLE:
    121. 

  121.       points*: seq[GLfloat]
    122. 

  122. 

  123.   else:
    124. 

  124.       nil"><wbr />Draw<wbr />Command<span class="attachedType"></span></a></li>
    125. 

  125.   <li><a class="reference" href="#CanvasObj"
    126. 

  126.     title="CanvasObj = object of NodeObj
    127. 

  127.   commands*: seq[DrawCommand]"><wbr />Canvas<wbr />Obj<span class="attachedType"></span></a></li>
    128. 

  128.   <li><a class="reference" href="#CanvasPtr"
    129. 

  129.     title="CanvasPtr = ptr CanvasObj"><wbr />Canvas<wbr />Ptr<span class="attachedType"></span></a></li>
    130. 

  130. 

  131.   </ul>
    132. 

  132. </li>
    133. 

  133. <li>
    134. 

  134.   <a class="reference reference-toplevel" href="#12" id="62">Procs</a>
    135. 

  135.   <ul class="simple simple-toc-section">
    136. 

  136.       <li><a class="reference" href="#Canvas%2Cstring%2CCanvasObj"
    137. 

  137.     title="Canvas(name: string; variable: var CanvasObj): CanvasPtr"><wbr />Canvas<span class="attachedType">CanvasPtr</span></a></li>
    138. 

  138.   <li><a class="reference" href="#Canvas%2CCanvasObj"
    139. 

  139.     title="Canvas(variable: var CanvasObj): CanvasPtr"><wbr />Canvas<span class="attachedType">CanvasObj</span></a></li>
    140. 

  140. 

  141.   </ul>
    142. 

  142. </li>
    143. 

  143. <li>
    144. 

  144.   <a class="reference reference-toplevel" href="#14" id="64">Methods</a>
    145. 

  145.   <ul class="simple simple-toc-section">
    146. 

  146.       <li><a class="reference" href="#draw.e%2CCanvasPtr%2CGLfloat%2CGLfloat"
    147. 

  147.     title="draw(canvas: CanvasPtr; w, h: GLfloat)"><wbr />draw<span class="attachedType">CanvasPtr</span></a></li>
    148. 

  148.   <li><a class="reference" href="#duplicate.e%2CCanvasPtr%2CCanvasObj"
    149. 

  149.     title="duplicate(self: CanvasPtr; obj: var CanvasObj): CanvasPtr"><wbr />duplicate<span class="attachedType">CanvasPtr</span></a></li>
    150. 

  150.   <li><a class="reference" href="#circle.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CGLfloat%2CColorRef%2Cint"
    151. 

  151.     title="circle(canvas: CanvasPtr; x, y, radius: GLfloat; color: ColorRef; quality: int = 100)"><wbr />circle<span class="attachedType">CanvasPtr</span></a></li>
    152. 

  152.   <li><a class="reference" href="#point.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CColorRef"
    153. 

  153.     title="point(canvas: CanvasPtr; x, y: GLfloat; color: ColorRef)"><wbr />point<span class="attachedType">CanvasPtr</span></a></li>
    154. 

  154.   <li><a class="reference" href="#line.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CGLfloat%2CGLfloat%2CColorRef"
    155. 

  155.     title="line(canvas: CanvasPtr; x1, y1, x2, y2: GLfloat; color: ColorRef)"><wbr />line<span class="attachedType">CanvasPtr</span></a></li>
    156. 

  156.   <li><a class="reference" href="#rect.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CGLfloat%2CGLfloat%2CColorRef"
    157. 

  157.     title="rect(canvas: CanvasPtr; x1, y1, x2, y2: GLfloat; color: ColorRef)"><wbr />rect<span class="attachedType">CanvasPtr</span></a></li>
    158. 

  158.   <li><a class="reference" href="#fill.e%2CCanvasPtr%2CColorRef"
    159. 

  159.     title="fill(canvas: CanvasPtr; color: ColorRef)"><wbr />fill<span class="attachedType">CanvasPtr</span></a></li>
    160. 

  160.   <li><a class="reference" href="#resize.e%2CCanvasPtr%2CGLfloat%2CGLfloat"
    161. 

  161.     title="resize(canvas: CanvasPtr; w, h: GLfloat)"><wbr />resize<span class="attachedType">CanvasPtr</span></a></li>
    162. 

  162. 

  163.   </ul>
    164. 

  164. </li>
    165. 

  165. 

  166. </ul>
    167. 

  167. 

  168.   </div>
    169. 

  169.   <div class="nine columns" id="content">
    170. 

  170.   <div id="tocRoot"></div>
    171. 

  171.   
    172. 

  172.   <p class="module-desc"></p>
    173. 

  173.   <div class="section" id="6">
    174. 

  174. <h1><a class="toc-backref" href="#6">Imports</a></h1>
    175. 

  175. <dl class="item">
    176. 

  176. <a class="reference external" href="opengl.html">opengl</a>, <a class="reference external" href="vector2.html">vector2</a>, <a class="reference external" href="color.html">color</a>, <a class="reference external" href="anchor.html">anchor</a>, <a class="reference external" href="node.html">node</a>
    177. 

  177. </dl></div>
    178. 

  178. <div class="section" id="7">
    179. 

  179. <h1><a class="toc-backref" href="#7">Types</a></h1>
    180. 

  180. <dl class="item">
    181. 

  181. <a id="DrawCommandType"></a>
    182. 

  182. <dt><pre><a href="canvas.html#DrawCommandType"><span class="Identifier">DrawCommandType</span></a> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">size</span><span class="Other">:</span> <span class="DecNumber">1</span></span><span class="Other">.}</span></span> <span class="Other">=</span> <span class="Keyword">enum</span>
    183. 

  183.   <span class="Identifier">POINT</span><span class="Other">,</span> <span class="Identifier">LINE</span><span class="Other">,</span> <span class="Identifier">RECT</span><span class="Other">,</span> <span class="Identifier">FILL</span><span class="Other">,</span> <span class="Identifier">CIRCLE</span></pre></dt>
    184. 

  184. <dd>
    185. 

  185. 

  186. 

  187. 

  188. </dd>
    189. 

  189. <a id="DrawCommand"></a>
    190. 

  190. <dt><pre><a href="canvas.html#DrawCommand"><span class="Identifier">DrawCommand</span></a> <span class="Other">=</span> <span class="Keyword">object</span>
    191. 

  191.   <span class="Identifier">x1</span><span class="Operator">*</span><span class="Other">,</span> <span class="Identifier">y1</span><span class="Operator">*</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a>
    192. 

  192.   <span class="Identifier">color</span><span class="Operator">*</span><span class="Other">:</span> <a href="color.html#ColorRef"><span class="Identifier">ColorRef</span></a>
    193. 

  193.   <span class="Keyword">case</span> <span class="Identifier">kind</span><span class="Operator">*</span><span class="Other">:</span> <a href="canvas.html#DrawCommandType"><span class="Identifier">DrawCommandType</span></a>
    194. 

  194.   <span class="Keyword">of</span> <span class="Identifier">LINE</span><span class="Other">,</span> <span class="Identifier">RECT</span><span class="Other">:</span>
    195. 

  195.       <span class="Identifier">x2</span><span class="Operator">*</span><span class="Other">,</span> <span class="Identifier">y2</span><span class="Operator">*</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a>
    196. 

  196. 

  197.   <span class="Keyword">of</span> <span class="Identifier">CIRCLE</span><span class="Other">:</span>
    198. 

  198.       <span class="Identifier">points</span><span class="Operator">*</span><span class="Other">:</span> <span class="Identifier">seq</span><span class="Other">[</span><a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">]</span>
    199. 

  199. 

  200.   <span class="Keyword">else</span><span class="Other">:</span>
    201. 

  201.       <span class="Keyword">nil</span>
    202. 

  202. 

  203.   </pre></dt>
    204. 

  204. <dd>
    205. 

  205. 

  206. 

  207. 

  208. </dd>
    209. 

  209. <a id="CanvasObj"></a>
    210. 

  210. <dt><pre><a href="canvas.html#CanvasObj"><span class="Identifier">CanvasObj</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="node.html#NodeObj"><span class="Identifier">NodeObj</span></a>
    211. 

  211.   <span class="Identifier">commands</span><span class="Operator">*</span><span class="Other">:</span> <span class="Identifier">seq</span><span class="Other">[</span><a href="canvas.html#DrawCommand"><span class="Identifier">DrawCommand</span></a><span class="Other">]</span>
    212. 

  212. </pre></dt>
    213. 

  213. <dd>
    214. 

  214. 

  215. 

  216. 

  217. </dd>
    218. 

  218. <a id="CanvasPtr"></a>
    219. 

  219. <dt><pre><a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a> <span class="Other">=</span> <span class="Keyword">ptr</span> <a href="canvas.html#CanvasObj"><span class="Identifier">CanvasObj</span></a></pre></dt>
    220. 

  220. <dd>
    221. 

  221. 

  222. 

  223. 

  224. </dd>
    225. 

  225. 

  226. </dl></div>
    227. 

  227. <div class="section" id="12">
    228. 

  228. <h1><a class="toc-backref" href="#12">Procs</a></h1>
    229. 

  229. <dl class="item">
    230. 

  230. <a id="Canvas,string,CanvasObj"></a>
    231. 

  231. <dt><pre><span class="Keyword">proc</span> <a href="#Canvas%2Cstring%2CCanvasObj"><span class="Identifier">Canvas</span></a><span class="Other">(</span><span class="Identifier">name</span><span class="Other">:</span> <span class="Identifier">string</span><span class="Other">;</span> <span class="Identifier">variable</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="canvas.html#CanvasObj"><span class="Identifier">CanvasObj</span></a><span class="Other">)</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    232. 

  232. <dd>
    233. 

  233. 

  234. <p>Creates a new Canvas pointer.</p>
    235. 

  235. <p>Arguments:</p>
    236. 

  236. <ul class="simple"><li><tt class="docutils literal"><span class="pre">name</span></tt> is a node name.</li>
    237. 

  237. <li><tt class="docutils literal"><span class="pre">variable</span></tt> is a CanvasObj variable</li>
    238. 

  238. </ul>
    239. 

  239. 

  240. <p><strong class="examples_text">Examples:</strong></p>
    241. 

  241. <pre class="listing"><span class="Keyword">var</span>
    242. 

  242.   <span class="Identifier">canvas1_obj</span><span class="Other">:</span> <span class="Identifier">CanvasObj</span>
    243. 

  243.   <span class="Identifier">canvas1</span> <span class="Other">=</span> <span class="Identifier">Canvas</span><span class="Other">(</span><span class="StringLit">&quot;Canvas&quot;</span><span class="Other">,</span> <span class="Identifier">canvas1_obj</span><span class="Other">)</span></pre>
    244. 

  244. 

  245. </dd>
    246. 

  246. <a id="Canvas,CanvasObj"></a>
    247. 

  247. <dt><pre><span class="Keyword">proc</span> <a href="#Canvas%2CCanvasObj"><span class="Identifier">Canvas</span></a><span class="Other">(</span><span class="Identifier">variable</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="canvas.html#CanvasObj"><span class="Identifier">CanvasObj</span></a><span class="Other">)</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">inline</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    248. 

  248. <dd>
    249. 

  249. 

  250. <p>Creates a new Canvas pointer with default name &quot;Canvas&quot;.</p>
    251. 

  251. <p>Arguments:</p>
    252. 

  252. <ul class="simple"><li><tt class="docutils literal"><span class="pre">variable</span></tt> is a CanvasObj variable</li>
    253. 

  253. </ul>
    254. 

  254. 

  255. <p><strong class="examples_text">Examples:</strong></p>
    256. 

  256. <pre class="listing"><span class="Keyword">var</span>
    257. 

  257.   <span class="Identifier">canvas1_obj</span><span class="Other">:</span> <span class="Identifier">CanvasObj</span>
    258. 

  258.   <span class="Identifier">canvas1</span> <span class="Other">=</span> <span class="Identifier">Canvas</span><span class="Other">(</span><span class="Identifier">canvas1_obj</span><span class="Other">)</span></pre>
    259. 

  259. 

  260. </dd>
    261. 

  261. 

  262. </dl></div>
    263. 

  263. <div class="section" id="14">
    264. 

  264. <h1><a class="toc-backref" href="#14">Methods</a></h1>
    265. 

  265. <dl class="item">
    266. 

  266. <a id="draw.e,CanvasPtr,GLfloat,GLfloat"></a>
    267. 

  267. <dt><pre><span class="Keyword">method</span> <a href="#draw.e%2CCanvasPtr%2CGLfloat%2CGLfloat"><span class="Identifier">draw</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">w</span><span class="Other">,</span> <span class="Identifier">h</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">Exception</span><span class="Other">,</span> <span class="Identifier">GLerror</span><span class="Other">]</span><span class="Other">,</span>
    268. 

  268.     <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Identifier">RootEffect</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    269. 

  269. <dd>
    270. 

  270. 

  271. This uses in the <tt class="docutils literal"><span class="pre">window.nim</span></tt>.
    272. 

  272. 

  273. </dd>
    274. 

  274. <a id="duplicate.e,CanvasPtr,CanvasObj"></a>
    275. 

  275. <dt><pre><span class="Keyword">method</span> <a href="#duplicate.e%2CCanvasPtr%2CCanvasObj"><span class="Identifier">duplicate</span></a><span class="Other">(</span><span class="Identifier">self</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">obj</span><span class="Other">:</span> <span class="Keyword">var</span> <a href="canvas.html#CanvasObj"><span class="Identifier">CanvasObj</span></a><span class="Other">)</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    276. 

  276.     <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    277. 

  277. <dd>
    278. 

  278. 

  279. Duplicates Canvas object and create a new Canvas pointer.
    280. 

  280. 

  281. </dd>
    282. 

  282. <a id="circle.e,CanvasPtr,GLfloat,GLfloat,GLfloat,ColorRef,int"></a>
    283. 

  283. <dt><pre><span class="Keyword">method</span> <a href="#circle.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CGLfloat%2CColorRef%2Cint"><span class="Identifier">circle</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">x</span><span class="Other">,</span> <span class="Identifier">y</span><span class="Other">,</span> <span class="Identifier">radius</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">;</span> <span class="Identifier">color</span><span class="Other">:</span> <a href="color.html#ColorRef"><span class="Identifier">ColorRef</span></a><span class="Other">;</span>
    284. 

  284.              <span class="Identifier">quality</span><span class="Other">:</span> <span class="Identifier">int</span> <span class="Other">=</span> <span class="DecNumber">100</span><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    285. 

  285. <dd>
    286. 

  286. 

  287. <p>Draws a circle in the canvas.</p>
    288. 

  288. <p>Arguments:</p>
    289. 

  289. <ul class="simple"><li><tt class="docutils literal"><span class="pre">x</span></tt> - circle center at X axis.</li>
    290. 

  290. <li><tt class="docutils literal"><span class="pre">y</span></tt> - circle center at Y axis.</li>
    291. 

  291. <li><tt class="docutils literal"><span class="pre">radius</span></tt> - circle radius.</li>
    292. 

  292. <li><tt class="docutils literal"><span class="pre">color</span></tt> - Color object.</li>
    293. 

  293. <li><tt class="docutils literal"><span class="pre">quality</span></tt> - circle quality.</li>
    294. 

  294. </ul>
    295. 

  295. 

  296. 

  297. </dd>
    298. 

  298. <a id="point.e,CanvasPtr,GLfloat,GLfloat,ColorRef"></a>
    299. 

  299. <dt><pre><span class="Keyword">method</span> <a href="#point.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CColorRef"><span class="Identifier">point</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">x</span><span class="Other">,</span> <span class="Identifier">y</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">;</span> <span class="Identifier">color</span><span class="Other">:</span> <a href="color.html#ColorRef"><span class="Identifier">ColorRef</span></a><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
    300. 

  300.     <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    301. 

  301. <dd>
    302. 

  302. 

  303. <p>Draws a point in the canvas.</p>
    304. 

  304. <p>Arguments:</p>
    305. 

  305. <ul class="simple"><li><tt class="docutils literal"><span class="pre">x</span></tt> - point position at X axis.</li>
    306. 

  306. <li><tt class="docutils literal"><span class="pre">y</span></tt> - point position at Y axis.</li>
    307. 

  307. <li><tt class="docutils literal"><span class="pre">color</span></tt> - point color.</li>
    308. 

  308. </ul>
    309. 

  309. 

  310. 

  311. </dd>
    312. 

  312. <a id="line.e,CanvasPtr,GLfloat,GLfloat,GLfloat,GLfloat,ColorRef"></a>
    313. 

  313. <dt><pre><span class="Keyword">method</span> <a href="#line.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CGLfloat%2CGLfloat%2CColorRef"><span class="Identifier">line</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">x1</span><span class="Other">,</span> <span class="Identifier">y1</span><span class="Other">,</span> <span class="Identifier">x2</span><span class="Other">,</span> <span class="Identifier">y2</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">;</span> <span class="Identifier">color</span><span class="Other">:</span> <a href="color.html#ColorRef"><span class="Identifier">ColorRef</span></a><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span>
    314. 

  314.     <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    315. 

  315. <dd>
    316. 

  316. 

  317. <p>Draws a line in the canvas.</p>
    318. 

  318. <p>Arguments:</p>
    319. 

  319. <ul class="simple"><li><tt class="docutils literal"><span class="pre">x1</span></tt> - first position at X axis.</li>
    320. 

  320. <li><tt class="docutils literal"><span class="pre">y1</span></tt> - first position at Y axis.</li>
    321. 

  321. <li><tt class="docutils literal"><span class="pre">x2</span></tt> - second position at X axis.</li>
    322. 

  322. <li><tt class="docutils literal"><span class="pre">y2</span></tt> - second position at Y axis.</li>
    323. 

  323. <li><tt class="docutils literal"><span class="pre">color</span></tt> - line color.</li>
    324. 

  324. </ul>
    325. 

  325. 

  326. 

  327. </dd>
    328. 

  328. <a id="rect.e,CanvasPtr,GLfloat,GLfloat,GLfloat,GLfloat,ColorRef"></a>
    329. 

  329. <dt><pre><span class="Keyword">method</span> <a href="#rect.e%2CCanvasPtr%2CGLfloat%2CGLfloat%2CGLfloat%2CGLfloat%2CColorRef"><span class="Identifier">rect</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">x1</span><span class="Other">,</span> <span class="Identifier">y1</span><span class="Other">,</span> <span class="Identifier">x2</span><span class="Other">,</span> <span class="Identifier">y2</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">;</span> <span class="Identifier">color</span><span class="Other">:</span> <a href="color.html#ColorRef"><span class="Identifier">ColorRef</span></a><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span>
    330. 

  330.     <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    331. 

  331. <dd>
    332. 

  332. 

  333. <p>Draws a line in the canvas.</p>
    334. 

  334. <p>Arguments:</p>
    335. 

  335. <ul class="simple"><li><tt class="docutils literal"><span class="pre">x1</span></tt> - first position at X axis.</li>
    336. 

  336. <li><tt class="docutils literal"><span class="pre">y1</span></tt> - first position at Y axis.</li>
    337. 

  337. <li><tt class="docutils literal"><span class="pre">x2</span></tt> - second position at X axis.</li>
    338. 

  338. <li><tt class="docutils literal"><span class="pre">y2</span></tt> - second position at Y axis.</li>
    339. 

  339. <li><tt class="docutils literal"><span class="pre">color</span></tt> - rectangle color.</li>
    340. 

  340. </ul>
    341. 

  341. 

  342. 

  343. </dd>
    344. 

  344. <a id="fill.e,CanvasPtr,ColorRef"></a>
    345. 

  345. <dt><pre><span class="Keyword">method</span> <a href="#fill.e%2CCanvasPtr%2CColorRef"><span class="Identifier">fill</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">color</span><span class="Other">:</span> <a href="color.html#ColorRef"><span class="Identifier">ColorRef</span></a><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    346. 

  346. <dd>
    347. 

  347. 

  348. Fills canvas.
    349. 

  349. 

  350. </dd>
    351. 

  351. <a id="resize.e,CanvasPtr,GLfloat,GLfloat"></a>
    352. 

  352. <dt><pre><span class="Keyword">method</span> <a href="#resize.e%2CCanvasPtr%2CGLfloat%2CGLfloat"><span class="Identifier">resize</span></a><span class="Other">(</span><span class="Identifier">canvas</span><span class="Other">:</span> <a href="canvas.html#CanvasPtr"><span class="Identifier">CanvasPtr</span></a><span class="Other">;</span> <span class="Identifier">w</span><span class="Other">,</span> <span class="Identifier">h</span><span class="Other">:</span> <a href="opengl.html#GLfloat"><span class="Identifier">GLfloat</span></a><span class="Other">)</span> <span><span class="Other">{</span><span class="Other pragmadots">...</span><span class="Other">}</span></span><span class="pragmawrap"><span class="Other">{.</span><span class="pragma"><span class="Identifier">base</span><span class="Other">,</span> <span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span><span class="Other">.}</span></span></pre></dt>
    353. 

  353. <dd>
    354. 

  354. 

  355. <p>Resizes canvas.</p>
    356. 

  356. <p>Arguments:</p>
    357. 

  357. <ul class="simple"><li><tt class="docutils literal"><span class="pre">w</span></tt> is a new width.</li>
    358. 

  358. <li><tt class="docutils literal"><span class="pre">h</span></tt> is a new height.</li>
    359. 

  359. </ul>
    360. 

  360. 

  361. 

  362. </dd>
    363. 

  363. 

  364. </dl></div>
    365. 

  365. 

  366.   </div>
    367. 

  367. </div>
    368. 

  368. 

  369.     <div class="row">
    370. 

  370.       <div class="twelve-columns footer">
    371. 

  371.         <span class="nim-sprite"></span>
    372. 

  372.         <br/>
    373. 

  373.         <small style="color: var(--hint);">Made with Nim. Generated: 2020-05-25 16:03:40 UTC</small>
    374. 

  374.       </div>
    375. 

  375.     </div>
    376. 

  376.   </div>
    377. 

  377. </div>
    378. 

  378. 

  379. </body>
    380. 

  380. </html>
    381.