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reanimate/reanimate-0.4.3.0-inplace/Reanimate.Svg.Unuse.hs.html
Lemmih faa6569608 Deploying to gh-pages from @ f207019713 🚀
2020-09-08 06:54:33 +00:00

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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<style type="text/css">
span.lineno { color: white; background: #aaaaaa; border-right: solid white 12px }
span.nottickedoff { background: yellow}
span.istickedoff { background: white }
span.tickonlyfalse { margin: -1px; border: 1px solid #f20913; background: #f20913 }
span.tickonlytrue { margin: -1px; border: 1px solid #60de51; background: #60de51 }
span.funcount { font-size: small; color: orange; z-index: 2; position: absolute; right: 20 }
span.decl { font-weight: bold }
span.spaces { background: white }
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<pre>
<span class="decl"><span class="nottickedoff">never executed</span> <span class="tickonlytrue">always true</span> <span class="tickonlyfalse">always false</span></span>
</pre>
<pre>
<span class="lineno"> 1 </span>{-|
<span class="lineno"> 2 </span>Copyright : Written by David Himmelstrup
<span class="lineno"> 3 </span>License : Unlicense
<span class="lineno"> 4 </span>Maintainer : lemmih@gmail.com
<span class="lineno"> 5 </span>Stability : experimental
<span class="lineno"> 6 </span>Portability : POSIX
<span class="lineno"> 7 </span>-}
<span class="lineno"> 8 </span>module Reanimate.Svg.Unuse
<span class="lineno"> 9 </span> ( replaceUses
<span class="lineno"> 10 </span> , unbox
<span class="lineno"> 11 </span> , embedDocument
<span class="lineno"> 12 </span> ) where
<span class="lineno"> 13 </span>
<span class="lineno"> 14 </span>import Control.Lens ((%~), (&amp;), (.~), (?~), (^.))
<span class="lineno"> 15 </span>import qualified Data.Map as Map
<span class="lineno"> 16 </span>import Data.Maybe
<span class="lineno"> 17 </span>import Graphics.SvgTree
<span class="lineno"> 18 </span>import Reanimate.Constants
<span class="lineno"> 19 </span>import Reanimate.Svg.Constructors
<span class="lineno"> 20 </span>
<span class="lineno"> 21 </span>-- | Replace all @&lt;use&gt;@ nodes with their definition.
<span class="lineno"> 22 </span>replaceUses :: Document -&gt; Document
<span class="lineno"> 23 </span><span class="decl"><span class="nottickedoff">replaceUses doc = doc &amp; documentElements %~ map (mapTree replace)</span>
<span class="lineno"> 24 </span><span class="spaces"> </span><span class="nottickedoff">where</span>
<span class="lineno"> 25 </span><span class="spaces"> </span><span class="nottickedoff">replaceDefinition PathTree{} = None</span>
<span class="lineno"> 26 </span><span class="spaces"> </span><span class="nottickedoff">replaceDefinition t = t</span>
<span class="lineno"> 27 </span><span class="spaces"></span><span class="nottickedoff"></span>
<span class="lineno"> 28 </span><span class="spaces"> </span><span class="nottickedoff">replace t@DefinitionTree{} = mapTree replaceDefinition t</span>
<span class="lineno"> 29 </span><span class="spaces"> </span><span class="nottickedoff">replace (UseTree _ Just{}) = error &quot;replaceUses: subtree in use?&quot;</span>
<span class="lineno"> 30 </span><span class="spaces"> </span><span class="nottickedoff">replace (UseTree use Nothing) =</span>
<span class="lineno"> 31 </span><span class="spaces"> </span><span class="nottickedoff">case Map.lookup (use^.useName) idMap of</span>
<span class="lineno"> 32 </span><span class="spaces"> </span><span class="nottickedoff">Nothing -&gt; error $ &quot;Unknown id: &quot; ++ (use^.useName)</span>
<span class="lineno"> 33 </span><span class="spaces"> </span><span class="nottickedoff">Just tree -&gt; mapTree replace $</span>
<span class="lineno"> 34 </span><span class="spaces"> </span><span class="nottickedoff">groupTree (defaultSvg &amp; groupChildren .~ [tree])</span>
<span class="lineno"> 35 </span><span class="spaces"> </span><span class="nottickedoff">&amp; transform ?~</span>
<span class="lineno"> 36 </span><span class="spaces"> </span><span class="nottickedoff">fromMaybe [] (use^.transform) ++</span>
<span class="lineno"> 37 </span><span class="spaces"> </span><span class="nottickedoff">[baseToTransformation (use^.useBase)]</span>
<span class="lineno"> 38 </span><span class="spaces"> </span><span class="nottickedoff">replace x = x</span>
<span class="lineno"> 39 </span><span class="spaces"> </span><span class="nottickedoff">baseToTransformation (x,y) =</span>
<span class="lineno"> 40 </span><span class="spaces"> </span><span class="nottickedoff">case (toUserUnit defaultDPI x, toUserUnit defaultDPI y) of</span>
<span class="lineno"> 41 </span><span class="spaces"> </span><span class="nottickedoff">(Num a, Num b) -&gt; Translate a b</span>
<span class="lineno"> 42 </span><span class="spaces"> </span><span class="nottickedoff">_ -&gt; TransformUnknown</span>
<span class="lineno"> 43 </span><span class="spaces"> </span><span class="nottickedoff">docTree = mkGroup (doc^.documentElements)</span>
<span class="lineno"> 44 </span><span class="spaces"> </span><span class="nottickedoff">idMap = foldTree updMap Map.empty docTree</span>
<span class="lineno"> 45 </span><span class="spaces"> </span><span class="nottickedoff">updMap m tree =</span>
<span class="lineno"> 46 </span><span class="spaces"> </span><span class="nottickedoff">case tree^.attrId of</span>
<span class="lineno"> 47 </span><span class="spaces"> </span><span class="nottickedoff">Nothing -&gt; m</span>
<span class="lineno"> 48 </span><span class="spaces"> </span><span class="nottickedoff">Just tid -&gt; Map.insert tid tree m</span></span>
<span class="lineno"> 49 </span>
<span class="lineno"> 50 </span>-- FIXME: the viewbox is ignored. Can we use the viewbox as a mask?
<span class="lineno"> 51 </span>-- | Transform out viewbox. Definitions and CSS rules are discarded.
<span class="lineno"> 52 </span>unbox :: Document -&gt; Tree
<span class="lineno"> 53 </span><span class="decl"><span class="nottickedoff">unbox doc@Document{_documentViewBox = Just (_minx, _minw, _width, _height)} =</span>
<span class="lineno"> 54 </span><span class="spaces"> </span><span class="nottickedoff">groupTree $ defaultSvg</span>
<span class="lineno"> 55 </span><span class="spaces"> </span><span class="nottickedoff">&amp; groupChildren .~ doc^.documentElements</span>
<span class="lineno"> 56 </span><span class="spaces"></span><span class="nottickedoff">unbox doc =</span>
<span class="lineno"> 57 </span><span class="spaces"> </span><span class="nottickedoff">groupTree $ defaultSvg</span>
<span class="lineno"> 58 </span><span class="spaces"> </span><span class="nottickedoff">&amp; groupChildren .~ doc^.documentElements</span></span>
<span class="lineno"> 59 </span>
<span class="lineno"> 60 </span>-- | Embed 'Document'. This keeps the entire document intact but makes
<span class="lineno"> 61 </span>-- it more difficult to use, say, `Reanimate.Svg.pathify` on it.
<span class="lineno"> 62 </span>embedDocument :: Document -&gt; Tree
<span class="lineno"> 63 </span><span class="decl"><span class="istickedoff">embedDocument doc =</span>
<span class="lineno"> 64 </span><span class="spaces"> </span><span class="istickedoff">translate (-screenWidth/2) (screenHeight/2) $</span>
<span class="lineno"> 65 </span><span class="spaces"> </span><span class="istickedoff">withFillOpacity 1 $</span>
<span class="lineno"> 66 </span><span class="spaces"> </span><span class="istickedoff">withStrokeWidth 0 $</span>
<span class="lineno"> 67 </span><span class="spaces"> </span><span class="istickedoff">flipYAxis $</span>
<span class="lineno"> 68 </span><span class="spaces"> </span><span class="istickedoff">svgTree $ doc &amp; documentWidth .~ Nothing</span>
<span class="lineno"> 69 </span><span class="spaces"> </span><span class="istickedoff">&amp; documentHeight .~ Nothing</span></span>
</pre>
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