<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html> <head> <!-- Generated by HsColour, http://www.cs.york.ac.uk/fp/darcs/hscolour/ --> <title>Graphics/Rendering/OpenGL/GL/PixelRectangles/ColorTable.hs</title> <link type='text/css' rel='stylesheet' href='hscolour.css' /> </head> <body> <pre><a name="line-1"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-2"></a><span class='hs-comment'>-- |</span> <a name="line-3"></a><span class='hs-comment'>-- Module : Graphics.Rendering.OpenGL.GL.PixelRectangles.ColorTable</span> <a name="line-4"></a><span class='hs-comment'>-- Copyright : (c) Sven Panne 2002-2009</span> <a name="line-5"></a><span class='hs-comment'>-- License : BSD-style (see the file libraries/OpenGL/LICENSE)</span> <a name="line-6"></a><span class='hs-comment'>-- </span> <a name="line-7"></a><span class='hs-comment'>-- Maintainer : sven.panne@aedion.de</span> <a name="line-8"></a><span class='hs-comment'>-- Stability : stable</span> <a name="line-9"></a><span class='hs-comment'>-- Portability : portable</span> <a name="line-10"></a><span class='hs-comment'>--</span> <a name="line-11"></a><span class='hs-comment'>-- This module corresponds to a part of section 3.6.1 (Pixel Storage Modes) of</span> <a name="line-12"></a><span class='hs-comment'>-- the OpenGL 2.1 specs.</span> <a name="line-13"></a><span class='hs-comment'>--</span> <a name="line-14"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-15"></a> <a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelRectangles</span><span class='hs-varop'>.</span><span class='hs-conid'>ColorTable</span> <span class='hs-layout'>(</span> <a name="line-17"></a> <span class='hs-conid'>ColorTableStage</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorTableStage</span><span class='hs-layout'>,</span> <a name="line-18"></a> <span class='hs-conid'>Proxy</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>ColorTable</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>PixelInternalFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-19"></a> <span class='hs-varid'>colorTable</span><span class='hs-layout'>,</span> <span class='hs-varid'>getColorTable</span><span class='hs-layout'>,</span> <span class='hs-varid'>copyColorTable</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorSubTable</span><span class='hs-layout'>,</span> <span class='hs-varid'>copyColorSubTable</span><span class='hs-layout'>,</span> <a name="line-20"></a> <span class='hs-varid'>colorTableScale</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorTableBias</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorTableFormat</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorTableWidth</span><span class='hs-layout'>,</span> <a name="line-21"></a> <span class='hs-varid'>colorTableRGBASizes</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorTableLuminanceSize</span><span class='hs-layout'>,</span> <span class='hs-varid'>colorTableIntesitySize</span><span class='hs-layout'>,</span> <a name="line-22"></a><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span> <a name="line-23"></a> <a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Alloc</span> <span class='hs-layout'>(</span> <span class='hs-varid'>alloca</span> <span class='hs-layout'>)</span> <a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span><span class='hs-varop'>.</span><span class='hs-conid'>Utils</span> <span class='hs-layout'>(</span> <span class='hs-varid'>with</span> <span class='hs-layout'>)</span> <a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>)</span> <a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Storable</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Capability</span> <span class='hs-layout'>(</span> <a name="line-29"></a> <span class='hs-conid'>EnableCap</span><span class='hs-layout'>(</span><span class='hs-conid'>CapColorTable</span><span class='hs-layout'>,</span><span class='hs-conid'>CapPostConvolutionColorTable</span><span class='hs-layout'>,</span> <a name="line-30"></a> <span class='hs-conid'>CapPostColorMatrixColorTable</span><span class='hs-layout'>,</span><span class='hs-conid'>CapTextureColorTable</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <a name="line-31"></a> <span class='hs-varid'>makeCapability</span> <span class='hs-layout'>)</span> <a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>BasicTypes</span> <span class='hs-layout'>(</span> <a name="line-33"></a> <span class='hs-conid'>GLenum</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLint</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>,</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>,</span> <span class='hs-conid'>Capability</span> <span class='hs-layout'>)</span> <a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>CoordTrans</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Position</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Extensions</span> <span class='hs-layout'>(</span> <a name="line-36"></a> <span class='hs-conid'>FunPtr</span><span class='hs-layout'>,</span> <span class='hs-varid'>unsafePerformIO</span><span class='hs-layout'>,</span> <span class='hs-conid'>Invoker</span><span class='hs-layout'>,</span> <span class='hs-varid'>getProcAddress</span> <span class='hs-layout'>)</span> <a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PeekPoke</span> <span class='hs-layout'>(</span> <span class='hs-varid'>peek1</span> <span class='hs-layout'>)</span> <a name="line-38"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelRectangles</span><span class='hs-varop'>.</span><span class='hs-conid'>Rasterization</span> <span class='hs-layout'>(</span> <a name="line-39"></a> <span class='hs-conid'>PixelData</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelData</span> <span class='hs-layout'>(</span> <span class='hs-varid'>withPixelData</span> <span class='hs-layout'>)</span> <a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>Texturing</span><span class='hs-varop'>.</span><span class='hs-conid'>PixelInternalFormat</span> <span class='hs-layout'>(</span> <a name="line-42"></a> <span class='hs-conid'>PixelInternalFormat</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>marshalPixelInternalFormat'</span><span class='hs-layout'>,</span> <a name="line-43"></a> <span class='hs-varid'>unmarshalPixelInternalFormat</span> <span class='hs-layout'>)</span> <a name="line-44"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span> <a name="line-45"></a> <span class='hs-conid'>GettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeGettableStateVar</span><span class='hs-layout'>,</span> <span class='hs-conid'>StateVar</span><span class='hs-layout'>,</span> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>)</span> <a name="line-46"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GL</span><span class='hs-varop'>.</span><span class='hs-conid'>VertexSpec</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Color4</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span> <span class='hs-layout'>)</span> <a name="line-47"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Graphics</span><span class='hs-varop'>.</span><span class='hs-conid'>Rendering</span><span class='hs-varop'>.</span><span class='hs-conid'>OpenGL</span><span class='hs-varop'>.</span><span class='hs-conid'>GLU</span><span class='hs-varop'>.</span><span class='hs-conid'>ErrorsInternal</span> <span class='hs-layout'>(</span> <a name="line-48"></a> <span class='hs-varid'>recordInvalidEnum</span> <span class='hs-layout'>)</span> <a name="line-49"></a> <a name="line-50"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-51"></a> <a name="line-52"></a><span class='hs-cpp'>#include "HsOpenGLExt.h"</span> <a name="line-53"></a> <a name="line-54"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-55"></a> <a name="line-56"></a><a name="ColorTableStage"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>=</span> <a name="line-57"></a> <span class='hs-conid'>ColorTableStage</span> <a name="line-58"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionColorTableStage</span> <a name="line-59"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixColorTableStage</span> <a name="line-60"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureColorTableStage</span> <a name="line-61"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span> <a name="line-62"></a> <a name="line-63"></a><a name="colorTableStageToColorTable"></a><span class='hs-definition'>colorTableStageToColorTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTable</span> <a name="line-64"></a><span class='hs-definition'>colorTableStageToColorTable</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <a name="line-65"></a> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTable</span> <a name="line-66"></a> <span class='hs-conid'>PostConvolutionColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PostConvolutionColorTable</span> <a name="line-67"></a> <span class='hs-conid'>PostColorMatrixColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PostColorMatrixColorTable</span> <a name="line-68"></a> <span class='hs-conid'>TextureColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>TextureColorTable</span> <a name="line-69"></a> <a name="line-70"></a><a name="colorTableStageToEnableCap"></a><span class='hs-definition'>colorTableStageToEnableCap</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>EnableCap</span> <a name="line-71"></a><span class='hs-definition'>colorTableStageToEnableCap</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <a name="line-72"></a> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapColorTable</span> <a name="line-73"></a> <span class='hs-conid'>PostConvolutionColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapPostConvolutionColorTable</span> <a name="line-74"></a> <span class='hs-conid'>PostColorMatrixColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapPostColorMatrixColorTable</span> <a name="line-75"></a> <span class='hs-conid'>TextureColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>CapTextureColorTable</span> <a name="line-76"></a> <a name="line-77"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-78"></a> <a name="line-79"></a><a name="colorTableStage"></a><span class='hs-definition'>colorTableStage</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-conid'>Capability</span> <a name="line-80"></a><span class='hs-definition'>colorTableStage</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>makeCapability</span> <span class='hs-varop'>.</span> <span class='hs-varid'>colorTableStageToEnableCap</span> <a name="line-81"></a> <a name="line-82"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-83"></a> <a name="line-84"></a><a name="ColorTable"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>=</span> <a name="line-85"></a> <span class='hs-conid'>ColorTable</span> <a name="line-86"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostConvolutionColorTable</span> <a name="line-87"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>PostColorMatrixColorTable</span> <a name="line-88"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Texture1DColorTable</span> <a name="line-89"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Texture2DColorTable</span> <a name="line-90"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Texture3DColorTable</span> <a name="line-91"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureCubeMapColorTable</span> <a name="line-92"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>TextureColorTable</span> <a name="line-93"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>SharedTexturePalette</span> <a name="line-94"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span> <a name="line-95"></a> <a name="line-96"></a><a name="marshalColorTable"></a><span class='hs-definition'>marshalColorTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-97"></a><span class='hs-definition'>marshalColorTable</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <a name="line-98"></a> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d0</span> <a name="line-99"></a> <span class='hs-conid'>PostConvolutionColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d1</span> <a name="line-100"></a> <span class='hs-conid'>PostColorMatrixColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d2</span> <a name="line-101"></a> <span class='hs-conid'>Texture1DColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xde0</span> <a name="line-102"></a> <span class='hs-conid'>Texture2DColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0xde1</span> <a name="line-103"></a> <span class='hs-conid'>Texture3DColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x806f</span> <a name="line-104"></a> <span class='hs-conid'>TextureCubeMapColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x8513</span> <a name="line-105"></a> <span class='hs-conid'>TextureColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80bc</span> <a name="line-106"></a> <span class='hs-conid'>SharedTexturePalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x81fb</span> <a name="line-107"></a> <a name="line-108"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-109"></a> <a name="line-110"></a><a name="Proxy"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>=</span> <a name="line-111"></a> <span class='hs-conid'>NoProxy</span> <a name="line-112"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Proxy</span> <a name="line-113"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Ord</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-layout'>)</span> <a name="line-114"></a> <a name="line-115"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-116"></a> <a name="line-117"></a><a name="marshalProxyColorTable"></a><span class='hs-definition'>marshalProxyColorTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>GLenum</span> <a name="line-118"></a><span class='hs-definition'>marshalProxyColorTable</span> <span class='hs-conid'>NoProxy</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <a name="line-119"></a><span class='hs-definition'>marshalProxyColorTable</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <a name="line-120"></a> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x80d3</span> <a name="line-121"></a> <span class='hs-conid'>PostConvolutionColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x80d4</span> <a name="line-122"></a> <span class='hs-conid'>PostColorMatrixColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x80d5</span> <a name="line-123"></a> <span class='hs-conid'>Texture1DColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x8063</span> <a name="line-124"></a> <span class='hs-conid'>Texture2DColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x8064</span> <a name="line-125"></a> <span class='hs-conid'>Texture3DColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x8070</span> <a name="line-126"></a> <span class='hs-conid'>TextureCubeMapColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x851b</span> <a name="line-127"></a> <span class='hs-conid'>TextureColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Just</span> <span class='hs-num'>0x80bd</span> <a name="line-128"></a> <span class='hs-conid'>SharedTexturePalette</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Nothing</span> <a name="line-129"></a> <a name="line-130"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-131"></a> <a name="line-132"></a><a name="colorTable"></a><span class='hs-definition'>colorTable</span> <span class='hs-keyglyph'>::</span> <a name="line-133"></a> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelInternalFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelData</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-134"></a><span class='hs-definition'>colorTable</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>int</span> <span class='hs-varid'>w</span> <span class='hs-varid'>pd</span> <span class='hs-keyglyph'>=</span> <a name="line-135"></a> <span class='hs-varid'>maybe</span> <span class='hs-varid'>recordInvalidEnum</span> <a name="line-136"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>target</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>withPixelData</span> <span class='hs-varid'>pd</span> <span class='hs-varop'>$</span> <a name="line-137"></a> <span class='hs-varid'>glColorTable</span> <span class='hs-varid'>target</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelInternalFormat'</span> <span class='hs-varid'>int</span><span class='hs-layout'>)</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span> <a name="line-138"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalProxyColorTable</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <a name="line-139"></a> <a name="line-140"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glColorTable</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-141"></a> <a name="line-142"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-143"></a> <a name="line-144"></a><a name="getColorTable"></a><span class='hs-definition'>getColorTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelData</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-145"></a><span class='hs-definition'>getColorTable</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>pd</span> <span class='hs-keyglyph'>=</span> <a name="line-146"></a> <span class='hs-varid'>withPixelData</span> <span class='hs-varid'>pd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>glGetColorTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <a name="line-147"></a> <a name="line-148"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetColorTable</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-149"></a> <a name="line-150"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-151"></a> <a name="line-152"></a><a name="copyColorTable"></a><span class='hs-definition'>copyColorTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelInternalFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-153"></a><span class='hs-definition'>copyColorTable</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>int</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <a name="line-154"></a> <span class='hs-varid'>glCopyColorTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalPixelInternalFormat'</span> <span class='hs-varid'>int</span><span class='hs-layout'>)</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <a name="line-155"></a> <a name="line-156"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glCopyColorTable</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-157"></a> <a name="line-158"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-159"></a> <a name="line-160"></a><a name="colorSubTable"></a><span class='hs-definition'>colorSubTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>PixelData</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-161"></a><span class='hs-definition'>colorSubTable</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>start</span> <span class='hs-varid'>count</span> <span class='hs-varid'>pd</span> <span class='hs-keyglyph'>=</span> <a name="line-162"></a> <span class='hs-varid'>withPixelData</span> <span class='hs-varid'>pd</span> <span class='hs-varop'>$</span> <span class='hs-varid'>glColorSubTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <span class='hs-varid'>start</span> <span class='hs-varid'>count</span> <a name="line-163"></a> <a name="line-164"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glColorSubTable</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-165"></a> <a name="line-166"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-167"></a> <a name="line-168"></a><a name="copyColorSubTable"></a><span class='hs-definition'>copyColorSubTable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Position</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-169"></a><span class='hs-definition'>copyColorSubTable</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>start</span> <span class='hs-layout'>(</span><span class='hs-conid'>Position</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <a name="line-170"></a> <span class='hs-varid'>glCopyColorSubTable</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <span class='hs-varid'>start</span> <span class='hs-varid'>x</span> <span class='hs-varid'>y</span> <a name="line-171"></a> <a name="line-172"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glCopyColorSubTable</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLsizei</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-173"></a> <a name="line-174"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-175"></a> <a name="line-176"></a><a name="ColorTablePName"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ColorTablePName</span> <span class='hs-keyglyph'>=</span> <a name="line-177"></a> <span class='hs-conid'>ColorTableScale</span> <a name="line-178"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableBias</span> <a name="line-179"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableFormat</span> <a name="line-180"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableWidth</span> <a name="line-181"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableRedSize</span> <a name="line-182"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableGreenSize</span> <a name="line-183"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableBlueSize</span> <a name="line-184"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableAlphaSize</span> <a name="line-185"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableLuminanceSize</span> <a name="line-186"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>ColorTableIntensitySize</span> <a name="line-187"></a> <a name="line-188"></a><a name="marshalColorTablePName"></a><span class='hs-definition'>marshalColorTablePName</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTablePName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <a name="line-189"></a><span class='hs-definition'>marshalColorTablePName</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>x</span> <span class='hs-keyword'>of</span> <a name="line-190"></a> <span class='hs-conid'>ColorTableScale</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d6</span> <a name="line-191"></a> <span class='hs-conid'>ColorTableBias</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d7</span> <a name="line-192"></a> <span class='hs-conid'>ColorTableFormat</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d8</span> <a name="line-193"></a> <span class='hs-conid'>ColorTableWidth</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80d9</span> <a name="line-194"></a> <span class='hs-conid'>ColorTableRedSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80da</span> <a name="line-195"></a> <span class='hs-conid'>ColorTableGreenSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80db</span> <a name="line-196"></a> <span class='hs-conid'>ColorTableBlueSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80dc</span> <a name="line-197"></a> <span class='hs-conid'>ColorTableAlphaSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80dd</span> <a name="line-198"></a> <span class='hs-conid'>ColorTableLuminanceSize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80de</span> <a name="line-199"></a> <span class='hs-conid'>ColorTableIntensitySize</span> <span class='hs-keyglyph'>-></span> <span class='hs-num'>0x80df</span> <a name="line-200"></a> <a name="line-201"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-202"></a> <a name="line-203"></a><a name="colorTableScale"></a><span class='hs-definition'>colorTableScale</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-204"></a><span class='hs-definition'>colorTableScale</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>colorTableScaleBias</span> <span class='hs-conid'>ColorTableScale</span> <a name="line-205"></a> <a name="line-206"></a><a name="colorTableBias"></a><span class='hs-definition'>colorTableBias</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-207"></a><span class='hs-definition'>colorTableBias</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>colorTableScaleBias</span> <span class='hs-conid'>ColorTableBias</span> <a name="line-208"></a> <a name="line-209"></a><a name="colorTableScaleBias"></a><span class='hs-definition'>colorTableScaleBias</span> <span class='hs-keyglyph'>::</span> <a name="line-210"></a> <span class='hs-conid'>ColorTablePName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTableStage</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>StateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-211"></a><span class='hs-definition'>colorTableScaleBias</span> <span class='hs-varid'>p</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <a name="line-212"></a> <span class='hs-varid'>makeStateVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>getColorTableParameterC4f</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>colorTableParameterC4f</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-213"></a> <span class='hs-keyword'>where</span> <span class='hs-varid'>ct</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>colorTableStageToColorTable</span> <span class='hs-varid'>s</span> <a name="line-214"></a> <a name="line-215"></a><a name="getColorTableParameterC4f"></a><span class='hs-definition'>getColorTableParameterC4f</span> <span class='hs-keyglyph'>::</span> <a name="line-216"></a> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTablePName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <a name="line-217"></a><span class='hs-definition'>getColorTableParameterC4f</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-218"></a> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-219"></a> <span class='hs-varid'>glGetColorTableParameterfv</span> <a name="line-220"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <a name="line-221"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTablePName</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-222"></a> <span class='hs-varid'>buf</span> <a name="line-223"></a> <span class='hs-varid'>peek</span> <span class='hs-varid'>buf</span> <a name="line-224"></a> <a name="line-225"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetColorTableParameterfv</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-226"></a> <a name="line-227"></a><a name="colorTableParameterC4f"></a><span class='hs-definition'>colorTableParameterC4f</span> <span class='hs-keyglyph'>::</span> <a name="line-228"></a> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTablePName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span> <a name="line-229"></a><span class='hs-definition'>colorTableParameterC4f</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>p</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <a name="line-230"></a> <span class='hs-varid'>with</span> <span class='hs-varid'>c</span> <span class='hs-varop'>$</span> <a name="line-231"></a> <span class='hs-varid'>glColorTableParameterfv</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTablePName</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-232"></a> <a name="line-233"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glColorTableParameterfv</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLfloat</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-234"></a> <a name="line-235"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-236"></a> <a name="line-237"></a><a name="colorTableFormat"></a><span class='hs-definition'>colorTableFormat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>PixelInternalFormat</span> <a name="line-238"></a><span class='hs-definition'>colorTableFormat</span> <span class='hs-varid'>ct</span> <span class='hs-keyglyph'>=</span> <a name="line-239"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-240"></a> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>unmarshalPixelInternalFormat</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableFormat</span> <a name="line-241"></a> <a name="line-242"></a><a name="getColorTableParameteri"></a><span class='hs-definition'>getColorTableParameteri</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ColorTablePName</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span> <a name="line-243"></a><span class='hs-definition'>getColorTableParameteri</span> <span class='hs-varid'>f</span> <span class='hs-varid'>ct</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span> <a name="line-244"></a> <span class='hs-varid'>alloca</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>buf</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span> <a name="line-245"></a> <span class='hs-varid'>glGetColorTableParameteriv</span> <a name="line-246"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTable</span> <span class='hs-varid'>ct</span><span class='hs-layout'>)</span> <a name="line-247"></a> <span class='hs-layout'>(</span><span class='hs-varid'>marshalColorTablePName</span> <span class='hs-varid'>p</span><span class='hs-layout'>)</span> <a name="line-248"></a> <span class='hs-varid'>buf</span> <a name="line-249"></a> <span class='hs-varid'>peek1</span> <span class='hs-varid'>f</span> <span class='hs-varid'>buf</span> <a name="line-250"></a> <a name="line-251"></a><span class='hs-conid'>EXTENSION_ENTRY</span><span class='hs-layout'>(</span><span class='hs-str'>"GL_ARB_imaging"</span><span class='hs-layout'>,</span><span class='hs-varid'>glGetColorTableParameteriv</span><span class='hs-layout'>,</span><span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GLenum</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-conid'>GLint</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <a name="line-252"></a> <a name="line-253"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-254"></a> <a name="line-255"></a><a name="colorTableWidth"></a><span class='hs-definition'>colorTableWidth</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span> <a name="line-256"></a><span class='hs-definition'>colorTableWidth</span> <span class='hs-varid'>ct</span> <span class='hs-keyglyph'>=</span> <a name="line-257"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-258"></a> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableWidth</span> <a name="line-259"></a> <a name="line-260"></a><span class='hs-comment'>--------------------------------------------------------------------------------</span> <a name="line-261"></a> <a name="line-262"></a><a name="colorTableRGBASizes"></a><span class='hs-definition'>colorTableRGBASizes</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-layout'>(</span><span class='hs-conid'>Color4</span> <span class='hs-conid'>GLsizei</span><span class='hs-layout'>)</span> <a name="line-263"></a><span class='hs-definition'>colorTableRGBASizes</span> <span class='hs-varid'>ct</span> <span class='hs-keyglyph'>=</span> <a name="line-264"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span> <a name="line-265"></a> <span class='hs-varid'>r</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableRedSize</span> <a name="line-266"></a> <span class='hs-varid'>g</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableGreenSize</span> <a name="line-267"></a> <span class='hs-varid'>b</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableBlueSize</span> <a name="line-268"></a> <span class='hs-varid'>a</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableAlphaSize</span> <a name="line-269"></a> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Color4</span> <span class='hs-varid'>r</span> <span class='hs-varid'>g</span> <span class='hs-varid'>b</span> <span class='hs-varid'>a</span> <a name="line-270"></a> <a name="line-271"></a><a name="colorTableLuminanceSize"></a><span class='hs-definition'>colorTableLuminanceSize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span> <a name="line-272"></a><span class='hs-definition'>colorTableLuminanceSize</span> <span class='hs-varid'>ct</span> <span class='hs-keyglyph'>=</span> <a name="line-273"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-274"></a> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableLuminanceSize</span> <a name="line-275"></a> <a name="line-276"></a><a name="colorTableIntesitySize"></a><span class='hs-definition'>colorTableIntesitySize</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ColorTable</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>GettableStateVar</span> <span class='hs-conid'>GLsizei</span> <a name="line-277"></a><span class='hs-definition'>colorTableIntesitySize</span> <span class='hs-varid'>ct</span> <span class='hs-keyglyph'>=</span> <a name="line-278"></a> <span class='hs-varid'>makeGettableStateVar</span> <span class='hs-varop'>$</span> <a name="line-279"></a> <span class='hs-varid'>getColorTableParameteri</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>ct</span> <span class='hs-conid'>ColorTableIntensitySize</span> </pre></body> </html>
