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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Graphics.GD</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
window.onload = function () {pageLoad();setSynopsis("mini_Graphics-GD.html");};
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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Graphics-GD.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">gd-3000.7.3: A Haskell binding to a subset of the GD graphics library</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Safe Haskell</th><td>Safe-Infered</td></tr></table><p class="caption">Graphics.GD</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">Types
</a></li><li><a href="#g:2">Creating and copying images
</a></li><li><a href="#g:3">Memory management
</a></li><li><a href="#g:4">Loading images
</a><ul><li><a href="#g:5">JPEG
</a></li><li><a href="#g:6">PNG
</a></li><li><a href="#g:7">GIF
</a></li></ul></li><li><a href="#g:8">Saving images
</a><ul><li><a href="#g:9">JPEG
</a></li><li><a href="#g:10">PNG
</a></li><li><a href="#g:11">GIF
</a></li></ul></li><li><a href="#g:12">Getting image information
</a></li><li><a href="#g:13">Querying
</a></li><li><a href="#g:14">Manipulating images
</a></li><li><a href="#g:15">Drawing
</a></li><li><a href="#g:16">Text
</a></li><li><a href="#g:17">Colors
</a></li><li><a href="#g:18">Misc
</a></li></ul></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><span class="keyword">data</span> <a href="#t:Image">Image</a> </li><li class="src short"><span class="keyword">type</span> <a href="#t:Size">Size</a> = (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><span class="keyword">type</span> <a href="#t:Point">Point</a> = (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><span class="keyword">type</span> <a href="#t:Color">Color</a> = <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a></li><li class="src short"><span class="keyword">newtype</span> <a href="#t:PCREOption">PCREOption</a> = <a href="#v:PCREOption">PCREOption</a> {<ul class="subs"><li><a href="#v:unPCREOption">unPCREOption</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a></li></ul>}</li><li class="src short"><a href="#v:newImage">newImage</a> :: <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:copyImage">copyImage</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:copyRegion">copyRegion</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:copyRegionScaled">copyRegionScaled</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:withImage">withImage</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a> -> (<a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> b) -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> b</li><li class="src short"><a href="#v:loadJpegFile">loadJpegFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadJpegData">loadJpegData</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-Ptr.html#t:Ptr">Ptr</a> a -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadJpegByteString">loadJpegByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadPngFile">loadPngFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadPngData">loadPngData</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-Ptr.html#t:Ptr">Ptr</a> a -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadPngByteString">loadPngByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadGifFile">loadGifFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadGifData">loadGifData</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-Ptr.html#t:Ptr">Ptr</a> a -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:loadGifByteString">loadGifByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:saveJpegFile">saveJpegFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:saveJpegByteString">saveJpegByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a></li><li class="src short"><a href="#v:savePngFile">savePngFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:savePngByteString">savePngByteString</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a></li><li class="src short"><a href="#v:saveGifFile">saveGifFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:saveGifByteString">saveGifByteString</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a></li><li class="src short"><a href="#v:imageSize">imageSize</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><a href="#v:getPixel">getPixel</a> :: (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>) -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Color">Color</a></li><li class="src short"><a href="#v:resizeImage">resizeImage</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:rotateImage">rotateImage</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></li><li class="src short"><a href="#v:brushed">brushed</a> :: <a href="Graphics-GD.html#t:PCREOption">PCREOption</a></li><li class="src short"><a href="#v:setBrush">setBrush</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:fillImage">fillImage</a> :: <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:drawFilledRectangle">drawFilledRectangle</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:drawFilledEllipse">drawFilledEllipse</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:drawLine">drawLine</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:drawArc">drawArc</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:antiAliased">antiAliased</a> :: (<a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> a) -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> a</li><li class="src short"><a href="#v:setPixel">setPixel</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:colorAllocate">colorAllocate</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Color">Color</a></li><li class="src short"><a href="#v:useFontConfig">useFontConfig</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:drawString">drawString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>)</li><li class="src short"><a href="#v:measureString">measureString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>)</li><li class="src short"><a href="#v:drawStringCircle">drawStringCircle</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:rgb">rgb</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Color">Color</a></li><li class="src short"><a href="#v:rgba">rgba</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Color">Color</a></li><li class="src short"><a href="#v:toRGBA">toRGBA</a> :: <a href="Graphics-GD.html#t:Color">Color</a> -> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)</li><li class="src short"><a href="#v:saveAlpha">saveAlpha</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li><li class="src short"><a href="#v:alphaBlending">alphaBlending</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></li></ul></div><div id="interface"><h1 id="g:1">Types
</h1><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:Image" class="def">Image</a> <a href="src/Graphics-GD.html#Image" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">type</span> <a name="t:Size" class="def">Size</a> = (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)<a href="src/Graphics-GD.html#Size" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">type</span> <a name="t:Point" class="def">Point</a> = (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)<a href="src/Graphics-GD.html#Point" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">type</span> <a name="t:Color" class="def">Color</a> = <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a><a href="src/Graphics-GD.html#Color" class="link">Source</a></p></div><div class="top"><p class="src"><span class="keyword">newtype</span> <a name="t:PCREOption" class="def">PCREOption</a> <a href="src/Graphics-GD.html#PCREOption" class="link">Source</a></p><div class="doc"><p>To access the definition <code>gdBrush</code> from GD
</p></div><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:PCREOption" class="def">PCREOption</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div class="subs fields"><p class="caption">Fields</p><dl><dt class="src"><a name="v:unPCREOption" class="def">unPCREOption</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a></dt><dd class="doc empty"> </dd></dl><div class="clear"></div></div></td></tr></table></div><div class="subs instances"><p id="control.i:PCREOption" class="caption collapser" onclick="toggleSection('i:PCREOption')">Instances</p><div id="section.i:PCREOption" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Eq.html#t:Eq">Eq</a> <a href="Graphics-GD.html#t:PCREOption">PCREOption</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Text-Show.html#t:Show">Show</a> <a href="Graphics-GD.html#t:PCREOption">PCREOption</a></td><td class="doc empty"> </td></tr></table></div></div></div><h1 id="g:2">Creating and copying images
</h1><div class="top"><p class="src"><a name="v:newImage" class="def">newImage</a> :: <a href="Graphics-GD.html#t:Size">Size</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#newImage" class="link">Source</a></p><div class="doc"><p>Create a new empty image.
</p></div></div><div class="top"><p class="src"><a name="v:copyImage" class="def">copyImage</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#copyImage" class="link">Source</a></p><div class="doc"><p>Make a copy of an image.
</p></div></div><div class="top"><p class="src"><a name="v:copyRegion" class="def">copyRegion</a><a href="src/Graphics-GD.html#copyRegion" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Source upper left-hand corner
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Size">Size</a></td><td class="doc"><p>Size of copied region
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Source image
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Destination upper left-hand corner
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Destination image
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Copy a region of one image into another
</p></div></div><div class="top"><p class="src"><a name="v:copyRegionScaled" class="def">copyRegionScaled</a><a href="src/Graphics-GD.html#copyRegionScaled" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Source upper left-hand corner
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Size">Size</a></td><td class="doc"><p>Size of source region
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Source image
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Destination upper left-hand corner
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Size">Size</a></td><td class="doc"><p>Size of destination region
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Destination image
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Copy a region of one image into another, rescaling the region
</p></div></div><h1 id="g:3">Memory management
</h1><div class="top"><p class="src"><a name="v:withImage" class="def">withImage</a><a href="src/Graphics-GD.html#withImage" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Image creation action.
</p></td></tr><tr><td class="src">-> (<a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> b)</td><td class="doc"><p>Some operation on the image. The result should
not reference the <code><a href="Graphics-GD.html#t:Image">Image</a></code>.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> b</td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Creates an image, performs an operation on the image, and
frees it.
This function allows block scoped management of <code><a href="Graphics-GD.html#t:Image">Image</a></code>
objects. If you are handling large images, the delay before
the finalizer which frees the image runs may cause significant
temporary extra memory use. Use this function to force the
image to be freed as soons as you are done with it. Note that
it is unsafe to hold on to the <code><a href="Graphics-GD.html#t:Image">Image</a></code> after the function is
done.
</p></div></div><h1 id="g:4">Loading images
</h1><h2 id="g:5">JPEG
</h2><div class="top"><p class="src"><a name="v:loadJpegFile" class="def">loadJpegFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#loadJpegFile" class="link">Source</a></p><div class="doc"><p>Load a JPEG image from a file.
</p></div></div><div class="top"><p class="src"><a name="v:loadJpegData" class="def">loadJpegData</a><a href="src/Graphics-GD.html#loadJpegData" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Buffer size.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-Ptr.html#t:Ptr">Ptr</a> a</td><td class="doc"><p>Buffer with image data.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Load a JPEG image from a buffer.
</p></div></div><div class="top"><p class="src"><a name="v:loadJpegByteString" class="def">loadJpegByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#loadJpegByteString" class="link">Source</a></p><div class="doc"><p>Load a JPEG image from a ByteString
</p></div></div><h2 id="g:6">PNG
</h2><div class="top"><p class="src"><a name="v:loadPngFile" class="def">loadPngFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#loadPngFile" class="link">Source</a></p><div class="doc"><p>Load a PNG image from a file.
</p></div></div><div class="top"><p class="src"><a name="v:loadPngData" class="def">loadPngData</a><a href="src/Graphics-GD.html#loadPngData" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Buffer size.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-Ptr.html#t:Ptr">Ptr</a> a</td><td class="doc"><p>Buffer with image data.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Load a PNG image from a buffer.
</p></div></div><div class="top"><p class="src"><a name="v:loadPngByteString" class="def">loadPngByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#loadPngByteString" class="link">Source</a></p><div class="doc"><p>Load a PNG image from a ByteString
</p></div></div><h2 id="g:7">GIF
</h2><div class="top"><p class="src"><a name="v:loadGifFile" class="def">loadGifFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#loadGifFile" class="link">Source</a></p><div class="doc"><p>Load a GIF image from a file.
</p></div></div><div class="top"><p class="src"><a name="v:loadGifData" class="def">loadGifData</a><a href="src/Graphics-GD.html#loadGifData" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Buffer size.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-Ptr.html#t:Ptr">Ptr</a> a</td><td class="doc"><p>Buffer with image data.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Load a GIF image from a buffer.
</p></div></div><div class="top"><p class="src"><a name="v:loadGifByteString" class="def">loadGifByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a><a href="src/Graphics-GD.html#loadGifByteString" class="link">Source</a></p><div class="doc"><p>Load a GIF image from a ByteString
</p></div></div><h1 id="g:8">Saving images
</h1><h2 id="g:9">JPEG
</h2><div class="top"><p class="src"><a name="v:saveJpegFile" class="def">saveJpegFile</a><a href="src/Graphics-GD.html#saveJpegFile" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>quality: 0-95, or negative for default quality.
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Save an image as a JPEG file.
</p></div></div><div class="top"><p class="src"><a name="v:saveJpegByteString" class="def">saveJpegByteString</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a><a href="src/Graphics-GD.html#saveJpegByteString" class="link">Source</a></p><div class="doc"><p>Write a JPEG format ByteString of an image.
</p></div></div><h2 id="g:10">PNG
</h2><div class="top"><p class="src"><a name="v:savePngFile" class="def">savePngFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a><a href="src/Graphics-GD.html#savePngFile" class="link">Source</a></p><div class="doc"><p>Save an image as a PNG file.
</p></div></div><div class="top"><p class="src"><a name="v:savePngByteString" class="def">savePngByteString</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a><a href="src/Graphics-GD.html#savePngByteString" class="link">Source</a></p><div class="doc"><p>Write a PNG format ByteString of an image.
</p></div></div><h2 id="g:11">GIF
</h2><div class="top"><p class="src"><a name="v:saveGifFile" class="def">saveGifFile</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a><a href="src/Graphics-GD.html#saveGifFile" class="link">Source</a></p><div class="doc"><p>Save an image as a GIF file.
</p></div></div><div class="top"><p class="src"><a name="v:saveGifByteString" class="def">saveGifByteString</a> :: <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a><a href="src/Graphics-GD.html#saveGifByteString" class="link">Source</a></p><div class="doc"><p>Write a GIF format ByteString of an image.
</p></div></div><h1 id="g:12">Getting image information
</h1><div class="top"><p class="src"><a name="v:imageSize" class="def">imageSize</a><a href="src/Graphics-GD.html#imageSize" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)</td><td class="doc"><p>(width, height)
</p></td></tr></table></div><div class="doc"><p>Get the size of an image.
</p></div></div><h1 id="g:13">Querying
</h1><div class="top"><p class="src"><a name="v:getPixel" class="def">getPixel</a> :: (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>) -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Color">Color</a><a href="src/Graphics-GD.html#getPixel" class="link">Source</a></p><div class="doc"><p>Retrieves the color index or the color values of a particular pixel.
</p></div></div><h1 id="g:14">Manipulating images
</h1><div class="top"><p class="src"><a name="v:resizeImage" class="def">resizeImage</a><a href="src/Graphics-GD.html#resizeImage" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>width in pixels of output image
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>height in pixels of output image
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Resize an image to a give size.
</p></div></div><div class="top"><p class="src"><a name="v:rotateImage" class="def">rotateImage</a><a href="src/Graphics-GD.html#rotateImage" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>1 for 90 degrees counter-clockwise,
2 for 180 degrees, etc.
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Rotate an image by a multiple of 90 degrees counter-clockwise.
</p></div></div><h1 id="g:15">Drawing
</h1><div class="top"><p class="src"><a name="v:brushed" class="def">brushed</a> :: <a href="Graphics-GD.html#t:PCREOption">PCREOption</a><a href="src/Graphics-GD.html#brushed" class="link">Source</a></p><div class="doc"><p>Special character for gdBrushed
</p></div></div><div class="top"><p class="src"><a name="v:setBrush" class="def">setBrush</a><a href="src/Graphics-GD.html#setBrush" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Source image
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc"><p>Brush
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Set an <code>Image</code> as a brush for an <code>Image</code>
</p></div></div><div class="top"><p class="src"><a name="v:fillImage" class="def">fillImage</a> :: <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a><a href="src/Graphics-GD.html#fillImage" class="link">Source</a></p><div class="doc"><p>Fill the entire image with the given color.
</p></div></div><div class="top"><p class="src"><a name="v:drawFilledRectangle" class="def">drawFilledRectangle</a><a href="src/Graphics-GD.html#drawFilledRectangle" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Upper left corner
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Lower right corner
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div></div><div class="top"><p class="src"><a name="v:drawFilledEllipse" class="def">drawFilledEllipse</a><a href="src/Graphics-GD.html#drawFilledEllipse" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Center
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Size">Size</a></td><td class="doc"><p>Width and height
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div></div><div class="top"><p class="src"><a name="v:drawLine" class="def">drawLine</a><a href="src/Graphics-GD.html#drawLine" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Start
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>End
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div></div><div class="top"><p class="src"><a name="v:drawArc" class="def">drawArc</a><a href="src/Graphics-GD.html#drawArc" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Center
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Size">Size</a></td><td class="doc"><p>Width and height
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Starting position (degrees)
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Ending position (degrees)
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div></div><div class="top"><p class="src"><a name="v:antiAliased" class="def">antiAliased</a> :: (<a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> a) -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> a<a href="src/Graphics-GD.html#antiAliased" class="link">Source</a></p><div class="doc"><p>Use anti-aliasing when performing the given drawing function.
This can cause a segault with some gd versions.
</p></div></div><div class="top"><p class="src"><a name="v:setPixel" class="def">setPixel</a> :: <a href="Graphics-GD.html#t:Point">Point</a> -> <a href="Graphics-GD.html#t:Color">Color</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a><a href="src/Graphics-GD.html#setPixel" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:colorAllocate" class="def">colorAllocate</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Foreign-C-Types.html#t:CInt">CInt</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Graphics-GD.html#t:Color">Color</a><a href="src/Graphics-GD.html#colorAllocate" class="link">Source</a></p></div><h1 id="g:16">Text
</h1><div class="top"><p class="src"><a name="v:useFontConfig" class="def">useFontConfig</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a><a href="src/Graphics-GD.html#useFontConfig" class="link">Source</a></p><div class="doc"><p>Globally switch from using font file names to fontconfig paths
| for fonts in drawString (and measureString).
</p></div></div><div class="top"><p class="src"><a name="v:drawString" class="def">drawString</a><a href="src/Graphics-GD.html#drawString" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Font name
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Font point size
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Angle in counterclockwise radians
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Origin
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Text, including HTML entities
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>)</td><td class="doc"><p>Bounding box
of the drawn
text.
</p></td></tr></table></div><div class="doc"><p>Draw a string using the FreeType 2.x library
</p></div></div><div class="top"><p class="src"><a name="v:measureString" class="def">measureString</a><a href="src/Graphics-GD.html#measureString" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Font name
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Font point size
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Angle in counterclockwise radians
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Origin
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Text, including HTML entities
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>, <a href="Graphics-GD.html#t:Point">Point</a>)</td><td class="doc"><p>Bounding
box of the
drawn text
</p></td></tr></table></div><div class="doc"><p>Measure a string using the FreeType 2.x library. This computes
the bounding box but does not actually draw the string to any
image.
</p></div></div><div class="top"><p class="src"><a name="v:drawStringCircle" class="def">drawStringCircle</a><a href="src/Graphics-GD.html#drawStringCircle" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="Graphics-GD.html#t:Point">Point</a></td><td class="doc"><p>Center of text path circle
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Outer radius of text
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Fraction of radius occupied by text
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Portion of circle arc filled by text
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Font name
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Prelude.html#t:Double">Double</a></td><td class="doc"><p>Font size hint
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Text to write on the top of the circle
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc"><p>Text to write on the bottom of the circle
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc"><p>Text color
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Image">Image</a></td><td class="doc empty"> </td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a></td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>Draw strings around the top and bottom of a torus
</p></div></div><h1 id="g:17">Colors
</h1><div class="top"><p class="src"><a name="v:rgb" class="def">rgb</a><a href="src/Graphics-GD.html#rgb" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Red (0-255)
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Green (0-255)
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Blue (0-255)
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr></table></div></div><div class="top"><p class="src"><a name="v:rgba" class="def">rgba</a><a href="src/Graphics-GD.html#rgba" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src">:: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Red (0-255)
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Green (0-255)
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Blue (0-255)
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a></td><td class="doc"><p>Alpha (0-127), 0 is opaque, 127 is transparent
</p></td></tr><tr><td class="src">-> <a href="Graphics-GD.html#t:Color">Color</a></td><td class="doc empty"> </td></tr></table></div></div><div class="top"><p class="src"><a name="v:toRGBA" class="def">toRGBA</a> :: <a href="Graphics-GD.html#t:Color">Color</a> -> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>, <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)<a href="src/Graphics-GD.html#toRGBA" class="link">Source</a></p></div><h1 id="g:18">Misc
</h1><div class="top"><p class="src"><a name="v:saveAlpha" class="def">saveAlpha</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a><a href="src/Graphics-GD.html#saveAlpha" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:alphaBlending" class="def">alphaBlending</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Bool.html#t:Bool">Bool</a> -> <a href="Graphics-GD.html#t:Image">Image</a> -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="/usr/share/doc/ghc-doc/html/libraries/ghc-prim-0.2.0.0/GHC-Tuple.html#t:-40--41-">()</a><a href="src/Graphics-GD.html#alphaBlending" class="link">Source</a></p></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.10.0</p></div></body></html>
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