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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Graphics-Rendering-Chart-State.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">Chart-1.8.1: A library for generating 2D Charts and Plots</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Safe Haskell</th><td>None</td></tr><tr><th>Language</th><td>Haskell98</td></tr></table><p class="caption">Graphics.Rendering.Chart.State</p></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"><a href="#v:plot">plot</a> :: <a href="Graphics-Rendering-Chart-Plot-Types.html#t:ToPlot">ToPlot</a> p => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:Layout">Layout</a> x y) (p x y) -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:Layout">Layout</a> x y) ()</li><li class="src short"><a href="#v:plotLeft">plotLeft</a> :: <a href="Graphics-Rendering-Chart-Plot-Types.html#t:ToPlot">ToPlot</a> p => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) (p x y1) -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) ()</li><li class="src short"><a href="#v:plotRight">plotRight</a> :: <a href="Graphics-Rendering-Chart-Plot-Types.html#t:ToPlot">ToPlot</a> p => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) (p x y2) -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) ()</li><li class="src short"><a href="#v:takeColor">takeColor</a> :: <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l (<a href="file:///usr/share/doc/libghc-colour-doc/html/Data-Colour.html#t:AlphaColour">AlphaColour</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Prelude.html#t:Double">Double</a>)</li><li class="src short"><a href="#v:takeShape">takeShape</a> :: <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l <a href="Graphics-Rendering-Chart-Drawing.html#t:PointShape">PointShape</a></li><li class="src short"><span class="keyword">data</span> <a href="#t:CState">CState</a></li><li class="src short"><a href="#v:colors">colors</a> :: <a href="file:///usr/share/doc/libghc-lens-doc/html/Control-Lens-Type.html#t:Lens-39-">Lens'</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> [<a href="file:///usr/share/doc/libghc-colour-doc/html/Data-Colour.html#t:AlphaColour">AlphaColour</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Prelude.html#t:Double">Double</a>]</li><li class="src short"><a href="#v:shapes">shapes</a> :: <a href="file:///usr/share/doc/libghc-lens-doc/html/Control-Lens-Type.html#t:Lens-39-">Lens'</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> [<a href="Graphics-Rendering-Chart-Drawing.html#t:PointShape">PointShape</a>]</li><li class="src short"><span class="keyword">type</span> <a href="#t:EC">EC</a> l a = <a href="file:///usr/share/doc/libghc-mtl-doc/html/Control-Monad-State-Lazy.html#t:StateT">StateT</a> l (<a href="file:///usr/share/doc/libghc-mtl-doc/html/Control-Monad-State-Lazy.html#t:State">State</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a>) a</li><li class="src short"><a href="#v:execEC">execEC</a> :: <a href="file:///usr/share/doc/libghc-data-default-class-doc/html/Data-Default-Class.html#t:Default">Default</a> l => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l a -> l</li><li class="src short"><a href="#v:liftEC">liftEC</a> :: <a href="file:///usr/share/doc/libghc-data-default-class-doc/html/Data-Default-Class.html#t:Default">Default</a> l1 => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l1 a -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l2 l1</li><li class="src short"><a href="#v:liftCState">liftCState</a> :: <a href="file:///usr/share/doc/libghc-mtl-doc/html/Control-Monad-State-Lazy.html#t:State">State</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> a -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l a</li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><a id="v:plot" class="def">plot</a> :: <a href="Graphics-Rendering-Chart-Plot-Types.html#t:ToPlot">ToPlot</a> p => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:Layout">Layout</a> x y) (p x y) -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:Layout">Layout</a> x y) () <a href="src/Graphics-Rendering-Chart-State.html#plot" class="link">Source</a> <a href="#v:plot" class="selflink">#</a></p><div class="doc"><p>Add a plot to the <code><a href="Graphics-Rendering-Chart-Layout.html#t:Layout">Layout</a></code> being constructed.</p></div></div><div class="top"><p class="src"><a id="v:plotLeft" class="def">plotLeft</a> :: <a href="Graphics-Rendering-Chart-Plot-Types.html#t:ToPlot">ToPlot</a> p => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) (p x y1) -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) () <a href="src/Graphics-Rendering-Chart-State.html#plotLeft" class="link">Source</a> <a href="#v:plotLeft" class="selflink">#</a></p><div class="doc"><p>Add a plot against the left axis to the <code><a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a></code> being constructed.</p></div></div><div class="top"><p class="src"><a id="v:plotRight" class="def">plotRight</a> :: <a href="Graphics-Rendering-Chart-Plot-Types.html#t:ToPlot">ToPlot</a> p => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) (p x y2) -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> (<a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a> x y1 y2) () <a href="src/Graphics-Rendering-Chart-State.html#plotRight" class="link">Source</a> <a href="#v:plotRight" class="selflink">#</a></p><div class="doc"><p>Add a plot against the right axis tof the <code><a href="Graphics-Rendering-Chart-Layout.html#t:LayoutLR">LayoutLR</a></code> being constructed.</p></div></div><div class="top"><p class="src"><a id="v:takeColor" class="def">takeColor</a> :: <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l (<a href="file:///usr/share/doc/libghc-colour-doc/html/Data-Colour.html#t:AlphaColour">AlphaColour</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Prelude.html#t:Double">Double</a>) <a href="src/Graphics-Rendering-Chart-State.html#takeColor" class="link">Source</a> <a href="#v:takeColor" class="selflink">#</a></p><div class="doc"><p>Pop and return the next color from the state</p></div></div><div class="top"><p class="src"><a id="v:takeShape" class="def">takeShape</a> :: <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l <a href="Graphics-Rendering-Chart-Drawing.html#t:PointShape">PointShape</a> <a href="src/Graphics-Rendering-Chart-State.html#takeShape" class="link">Source</a> <a href="#v:takeShape" class="selflink">#</a></p><div class="doc"><p>Pop and return the next shape from the state</p></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a id="t:CState" class="def">CState</a> <a href="src/Graphics-Rendering-Chart-State.html#CState" class="link">Source</a> <a href="#t:CState" class="selflink">#</a></p><div class="doc"><p>The state held when monadically constructing a graphical element</p></div><div class="subs instances"><p id="control.i:CState" class="caption collapser" onclick="toggleSection('i:CState')">Instances</p><div id="section.i:CState" class="show"><table><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:CState:Default:1" class="instance expander" onclick="toggleSection('i:id:CState:Default:1')"></span> <a href="file:///usr/share/doc/libghc-data-default-class-doc/html/Data-Default-Class.html#t:Default">Default</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a></span> <a href="src/Graphics-Rendering-Chart-State.html#line-47" class="link">Source</a> <a href="#t:CState" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:id:CState:Default:1" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:def">def</a> :: <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> <a href="#v:def" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:id:CState:ToRenderable:2" class="instance expander" onclick="toggleSection('i:id:CState:ToRenderable:2')"></span> (<a href="file:///usr/share/doc/libghc-data-default-class-doc/html/Data-Default-Class.html#t:Default">Default</a> a, <a href="Graphics-Rendering-Chart-Renderable.html#t:ToRenderable">ToRenderable</a> a) => <a href="Graphics-Rendering-Chart-Renderable.html#t:ToRenderable">ToRenderable</a> (<a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> a b)</span> <a href="src/Graphics-Rendering-Chart-State.html#line-53" class="link">Source</a> <a href="#t:CState" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:id:CState:ToRenderable:2" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:toRenderable">toRenderable</a> :: <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> a b -> <a href="Graphics-Rendering-Chart-Renderable.html#t:Renderable">Renderable</a> () <a href="src/Graphics-Rendering-Chart-Renderable.html#toRenderable" class="link">Source</a> <a href="#v:toRenderable" class="selflink">#</a></p></div></div></td></tr></table></div></div></div><div class="top"><p class="src"><a id="v:colors" class="def">colors</a> :: <a href="file:///usr/share/doc/libghc-lens-doc/html/Control-Lens-Type.html#t:Lens-39-">Lens'</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> [<a href="file:///usr/share/doc/libghc-colour-doc/html/Data-Colour.html#t:AlphaColour">AlphaColour</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.0.0/Prelude.html#t:Double">Double</a>] <a href="src/Graphics-Rendering-Chart-State.html#colors" class="link">Source</a> <a href="#v:colors" class="selflink">#</a></p></div><div class="top"><p class="src"><a id="v:shapes" class="def">shapes</a> :: <a href="file:///usr/share/doc/libghc-lens-doc/html/Control-Lens-Type.html#t:Lens-39-">Lens'</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> [<a href="Graphics-Rendering-Chart-Drawing.html#t:PointShape">PointShape</a>] <a href="src/Graphics-Rendering-Chart-State.html#shapes" class="link">Source</a> <a href="#v:shapes" class="selflink">#</a></p></div><div class="top"><p class="src"><span class="keyword">type</span> <a id="t:EC" class="def">EC</a> l a = <a href="file:///usr/share/doc/libghc-mtl-doc/html/Control-Monad-State-Lazy.html#t:StateT">StateT</a> l (<a href="file:///usr/share/doc/libghc-mtl-doc/html/Control-Monad-State-Lazy.html#t:State">State</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a>) a <a href="src/Graphics-Rendering-Chart-State.html#EC" class="link">Source</a> <a href="#t:EC" class="selflink">#</a></p><div class="doc"><p>We use nested State monads to give nice syntax. The outer state
is the graphical element being constructed (typically a
layout). The inner state contains any additional state
reqired. This approach means that lenses and the state monad lens
operators can be used directly on the value being constructed.</p></div></div><div class="top"><p class="src"><a id="v:execEC" class="def">execEC</a> :: <a href="file:///usr/share/doc/libghc-data-default-class-doc/html/Data-Default-Class.html#t:Default">Default</a> l => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l a -> l <a href="src/Graphics-Rendering-Chart-State.html#execEC" class="link">Source</a> <a href="#v:execEC" class="selflink">#</a></p><div class="doc"><p>Run the monadic <code><a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a></code> computation, and return the graphical
element (ie the outer monad' state)</p></div></div><div class="top"><p class="src"><a id="v:liftEC" class="def">liftEC</a> :: <a href="file:///usr/share/doc/libghc-data-default-class-doc/html/Data-Default-Class.html#t:Default">Default</a> l1 => <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l1 a -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l2 l1 <a href="src/Graphics-Rendering-Chart-State.html#liftEC" class="link">Source</a> <a href="#v:liftEC" class="selflink">#</a></p><div class="doc"><p>Nest the construction of a graphical element within
the construction of another.</p></div></div><div class="top"><p class="src"><a id="v:liftCState" class="def">liftCState</a> :: <a href="file:///usr/share/doc/libghc-mtl-doc/html/Control-Monad-State-Lazy.html#t:State">State</a> <a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a> a -> <a href="Graphics-Rendering-Chart-State.html#t:EC">EC</a> l a <a href="src/Graphics-Rendering-Chart-State.html#liftCState" class="link">Source</a> <a href="#v:liftCState" class="selflink">#</a></p><div class="doc"><p>Lift a a computation over <code><a href="Graphics-Rendering-Chart-State.html#t:CState">CState</a></code></p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.17.2</p></div></body></html>
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