Class PaperTypeSelector
- java.lang.Object
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- uk.ac.starlink.ttools.plot2.paper.PaperTypeSelector
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public abstract class PaperTypeSelector extends java.lang.Object
Provides interface and logic for determining what PaperType (rendering machinery) to use to render a given selection of plot layers to a given output medium. APlotType
provides an instance of this class.- Since:
- 14 Feb 2013
- Author:
- Mark Taylor
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Field Summary
Fields Modifier and Type Field Description static PaperTypeSelector
SELECTOR_2D
Default selector for 2d output.static PaperTypeSelector
SELECTOR_3D
Default selector for 3d output.
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Constructor Summary
Constructors Constructor Description PaperTypeSelector()
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Method Summary
All Methods Static Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description static PaperTypeSelector
createSingleSelector(PaperType ptype)
Returns a selector which always returns a fixed paper type.static LayerOpt[]
getOpts(PlotLayer[] layers)
Returns an array of layer options corresponding to an array of layers.abstract PaperType
getPixelPaperType(LayerOpt[] opts, Compositor compositor)
Supplies a PaperType appropriate for rendering to a bitmap (pixellated) output medium.abstract PaperType
getVectorPaperType(LayerOpt[] opts)
Supplies a PaperType appropriate for rendering to a vector (non-pixellated) output medium.
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Field Detail
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SELECTOR_2D
public static PaperTypeSelector SELECTOR_2D
Default selector for 2d output.
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SELECTOR_3D
public static PaperTypeSelector SELECTOR_3D
Default selector for 3d output.
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Method Detail
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getVectorPaperType
public abstract PaperType getVectorPaperType(LayerOpt[] opts)
Supplies a PaperType appropriate for rendering to a vector (non-pixellated) output medium.- Parameters:
opts
- layer options- Returns:
- paper type
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getPixelPaperType
public abstract PaperType getPixelPaperType(LayerOpt[] opts, Compositor compositor)
Supplies a PaperType appropriate for rendering to a bitmap (pixellated) output medium.- Parameters:
opts
- layer optionscompositor
- compositor for combining colours (relevant only if some transparency is present)- Returns:
- paper type
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createSingleSelector
public static PaperTypeSelector createSingleSelector(PaperType ptype)
Returns a selector which always returns a fixed paper type. This is only useful for debugging.- Parameters:
ptype
- fixed paper type- Returns:
- selector
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