Package uk.ac.starlink.ttools.plot2
Class NullCaptioner
java.lang.Object
uk.ac.starlink.ttools.plot2.NullCaptioner
- All Implemented Interfaces:
Captioner
Captioner implementation that writes no text.
The non-existent text takes up no space.
This is a singleton class, see the static INSTANCE
member.
- Since:
- 13 Jan 2016
- Author:
- Mark Taylor
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Field Summary
Fields -
Method Summary
Modifier and TypeMethodDescriptionvoid
drawCaption
(Caption label, Graphics g) Draws a caption such that the left end of the text baseline is at the origin of the supplied graphics context.getCaptionBounds
(Caption label) Returns a bounding box for the caption drawn by a corresponding call toCaptioner.drawCaption(uk.ac.starlink.ttools.plot2.Caption, java.awt.Graphics)
.int
getPad()
Returns a suitable padding value for separating captions from the reference position or other graphical elements.
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Field Details
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INSTANCE
Sole instance.
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Method Details
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drawCaption
Description copied from interface:Captioner
Draws a caption such that the left end of the text baseline is at the origin of the supplied graphics context.- Specified by:
drawCaption
in interfaceCaptioner
- Parameters:
label
- caption textg
- graphics context
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getCaptionBounds
Description copied from interface:Captioner
Returns a bounding box for the caption drawn by a corresponding call toCaptioner.drawCaption(uk.ac.starlink.ttools.plot2.Caption, java.awt.Graphics)
.- Specified by:
getCaptionBounds
in interfaceCaptioner
- Parameters:
label
- caption text- Returns:
- bounding box for caption drawn at the origin
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getPad
public int getPad()Description copied from interface:Captioner
Returns a suitable padding value for separating captions from the reference position or other graphical elements.
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