Class EmptyBorder
java.lang.Object
javax.swing.border.AbstractBorder
javax.swing.border.EmptyBorder
- All Implemented Interfaces:
- Serializable,- Border
- Direct Known Subclasses:
- BorderUIResource.EmptyBorderUIResource,- MatteBorder
A class which provides an empty, transparent border which
 takes up space but does no drawing.
 
 Warning:
 Serialized objects of this class will not be compatible with
 future Swing releases. The current serialization support is
 appropriate for short term storage or RMI between applications running
 the same version of Swing.  As of 1.4, support for long term storage
 of all JavaBeans
 has been added to the java.beans package.
 Please see XMLEncoder.
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Field SummaryFields
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Constructor SummaryConstructorsConstructorDescriptionEmptyBorder(int top, int left, int bottom, int right) Creates an empty border with the specified insets.EmptyBorder(Insets borderInsets) Creates an empty border with the specified insets.
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Method SummaryModifier and TypeMethodDescriptionReturns the insets of the border.getBorderInsets(Component c, Insets insets) Reinitialize the insets parameter with this Border's current Insets.booleanReturns whether or not the border is opaque.voidpaintBorder(Component c, Graphics g, int x, int y, int width, int height) Does no drawing by default.Methods declared in class javax.swing.border.AbstractBordergetBaseline, getBaselineResizeBehavior, getBorderInsets, getInteriorRectangle, getInteriorRectangle
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Field Details- 
leftprotected int leftThe left inset of the border.
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rightprotected int rightThe right inset of the border.
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topprotected int topThe top inset of the border.
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bottomprotected int bottomThe bottom inset of the border.
 
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Constructor Details- 
EmptyBorderpublic EmptyBorder(int top, int left, int bottom, int right) Creates an empty border with the specified insets.- Parameters:
- top- the top inset of the border
- left- the left inset of the border
- bottom- the bottom inset of the border
- right- the right inset of the border
 
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EmptyBorderCreates an empty border with the specified insets.- Parameters:
- borderInsets- the insets of the border
- Throws:
- NullPointerException- if the specified- borderInsetsis- null
 
 
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Method Details- 
paintBorderDoes no drawing by default.- Specified by:
- paintBorderin interface- Border
- Overrides:
- paintBorderin class- AbstractBorder
- Parameters:
- c- the component for which this border is being painted
- g- the paint graphics
- x- the x position of the painted border
- y- the y position of the painted border
- width- the width of the painted border
- height- the height of the painted border
 
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getBorderInsetsReinitialize the insets parameter with this Border's current Insets.- Overrides:
- getBorderInsetsin class- AbstractBorder
- Parameters:
- c- the component for which this border insets value applies
- insets- the object to be reinitialized
- Returns:
- the insetsobject
- Throws:
- NullPointerException- if the specified- insetsis- null
 
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getBorderInsetsReturns the insets of the border.- Returns:
- an Insetsobject containing the insets from top, left, bottom and right
- Since:
- 1.3
 
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isBorderOpaquepublic boolean isBorderOpaque()Returns whether or not the border is opaque. Returns false by default.- Specified by:
- isBorderOpaquein interface- Border
- Overrides:
- isBorderOpaquein class- AbstractBorder
- Returns:
- false
 
 
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