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java.lang.Objectuk.ac.starlink.ttools.plot2.paper.PaperTypeSelector
public abstract class PaperTypeSelector
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.
A PlotType
provides an instance of this class.
Field Summary | |
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static PaperTypeSelector |
SELECTOR_2D
Default selector for 2d output. |
static PaperTypeSelector |
SELECTOR_3D
Default selector for 3d output. |
Constructor Summary | |
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PaperTypeSelector()
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Method Summary | |
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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,
Component component)
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. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static PaperTypeSelector SELECTOR_2D
public static PaperTypeSelector SELECTOR_3D
Constructor Detail |
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public PaperTypeSelector()
Method Detail |
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public abstract PaperType getVectorPaperType(LayerOpt[] opts)
opts
- layer options
public abstract PaperType getPixelPaperType(LayerOpt[] opts, Compositor compositor, Component component)
If a component is supplied, it indicates the component on which this paper will be rendered. It is legal to supply a null component if the destination component is unavailable (including if it is headless). Note the supplied component need not be the actual one it's going to be rendered on, but it should be similar in terms of graphics configuration, background colour etc.
opts
- layer optionscompositor
- compositor for combining colours (relevant only
if some transparency is present)component
- destination component, or component similar to
destination component, or null
public static PaperTypeSelector createSingleSelector(PaperType ptype)
ptype
- fixed paper type
public static LayerOpt[] getOpts(PlotLayer[] layers)
layers
- layers
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