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reorganizing documentation implemented documentation creation in the build system some minor code clean-up git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2252 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<title>UIContext.doTextureView</title>
<link rel="stylesheet" href="../fpdoc.css" type="text/css">
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<table class="bar" width="100%" border="0" cellpadding="4" cellspacing="0">
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<td><b>[<a href="../nvcontext/index.html">Overview</a>][<a href="../nvcontext/index-4.html">Classes</a>][<a href="../nvcontext/index-8.html">Index</a>]</b></td>
fixed images in documentation removed footer date for the time being (to prevent too much changes in documentation) implemented cleaning of GLUT bitmap font lists removed unused function in uicontext class renamed chm file added missing documentation back in nvcontext.xml git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2254 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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<td align="right"><span class="bartitle">Reference for unit 'nvContext' (<a href="../index.html">#nvidia-widgets</a>)</span></td>
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</tr>
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<h1>UIContext.doTextureView</h1>
fixed images in documentation removed footer date for the time being (to prevent too much changes in documentation) implemented cleaning of GLUT bitmap font lists removed unused function in uicontext class renamed chm file added missing documentation back in nvcontext.xml git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2254 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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<p>UI method for drawing a texture view</p>
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<h2>Declaration</h2>
<p>Source position: nvcontext.pas line 186</p>
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<td><p><tt><span class="code"> <span class="kw">public</span> <span class="kw">procedure</span> <a href="../nvcontext/uicontext.html">UIContext</a><span class="sym">.</span>doTextureView<span class="sym">(</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;<span class="kw">const </span>aRect<span class="sym">: </span><a href="../nvtypes/rect.html">Rect</a><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;<span class="kw">const </span>texID<span class="sym">: </span>Integer<span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;zoomRect<span class="sym">: </span><a href="../nvtypes/rect.html">Rect</a><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;mipLevel<span class="sym">: </span>Integer <span class="sym">=</span> <span class="sym">-</span><span class="num">1</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;texelScale<span class="sym">: </span>Double <span class="sym">=</span> <span class="num">1</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;texelOffset<span class="sym">: </span>Double <span class="sym">=</span> <span class="num">0</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;red<span class="sym">: </span>Integer <span class="sym">=</span> <span class="num">0</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;green<span class="sym">: </span>Integer <span class="sym">=</span> <span class="num">1</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;blue<span class="sym">: </span>Integer <span class="sym">=</span> <span class="num">2</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;alpha<span class="sym">: </span>Integer <span class="sym">=</span> <span class="num">3</span><span class="sym">;</span></span></tt></p></td>
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<td><p><tt><span class="code">&nbsp;&nbsp;style<span class="sym">: </span>Integer <span class="sym">=</span> <span class="num">0</span></span></tt></p></td>
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<td><p><tt><span class="code"><span class="sym">)</span><span class="sym">;</span></span></tt></p></td>
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fixed images in documentation removed footer date for the time being (to prevent too much changes in documentation) implemented cleaning of GLUT bitmap font lists removed unused function in uicontext class renamed chm file added missing documentation back in nvcontext.xml git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2254 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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<h2>Arguments</h2>
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<td valign="top"><p><tt><span class="code">aRect</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">provides a location and size for the texture view</p></td>
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<td valign="top"><p><tt><span class="code">texID</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">texture identifier (Graphics API specific)</p></td>
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<td valign="top"><p><tt><span class="code">zoomRect</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">rectangle area of the texture displayed</p></td>
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<td valign="top"><p><tt><span class="code">mipLevel</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">mip Level of the texture displayed</p></td>
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<td valign="top"><p><tt><span class="code">texelScale</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">scale applied to the texel fetch</p></td>
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<td valign="top"><p><tt><span class="code">texelOffset</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">offset applied to the texel after scale</p></td>
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<td valign="top"><p><tt><span class="code">style</span></tt></p></td>
<td><p>&nbsp;&nbsp;</p></td>
<td><p class="cmt">optional style flag to modify the look</p></td>
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<h2>Description</h2>
<p>Several parameters control the equation used to display the texel</p>
<pre>texel <span class="sym">=</span> texture2DFetch<span class="sym">(</span><span class="sym">.</span><span class="sym">.</span><span class="sym">.</span><span class="sym">)</span><span class="sym">;</span>
pixel <span class="sym">=</span> texelSwizzling<span class="sym">(</span> texel <span class="sym">*</span> texelScale <span class="sym">+</span> texelOffset <span class="sym">)</span><span class="sym">;</span>
</pre>
<img alt="" src="../fpdoc/images/textureview.png">
reorganizing documentation implemented documentation creation in the build system some minor code clean-up git-svn-id: https://svn.code.sf.net/p/lazarus-ccr/svn@2252 8e941d3f-bd1b-0410-a28a-d453659cc2b4
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</body>
</html>
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