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Class com.sun.java.swing.border.CompoundBorder

java.lang.Object
  |
  +--com.sun.java.swing.border.AbstractBorder
        |
        +--com.sun.java.swing.border.CompoundBorder

public class CompoundBorder

extends AbstractBorder

A composite Border class used to compose two Border objects into a single border by nesting an inside Border object within the insets of an outside Border object. For example, this class may be used to add blank margin space to a component with an existing decorative border:

    Border border = comp.getBorder();
    Border margin = new EmptyBorder(10,10,10,10);
    comp.setBorder(new CompoundBorder(border, margin));
 

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 Swing1.0 applications. It will not be possible to load serialized Swing1.0 objects with future releases of Swing. The JDK1.2 release of Swing will be the compatibility baseline for the serialized form of Swing objects.

See Also:

Serialized Form

Field Summary

Border	insideBorder
Border	outsideBorder

Constructor Summary

CompoundBorder()
Creates a compound border with null outside and inside borders.

CompoundBorder(Border outsideBorder, Border insideBorder)
Creates a compound border with the specified outside and inside borders.

Method Summary

java.awt.Insets	getBorderInsets(java.awt.Component c) Returns the insets of the composite border by adding the insets of the outside border to the insets of the inside border.
Border	getInsideBorder() Returns the inside border object.
Border	getOutsideBorder() Returns the outside border object.
boolean	isBorderOpaque() Returns whether or not this compound border is opaque.
void	paintBorder(java.awt.Component c, java.awt.Graphics g, int x, int y, int width, int height) Paints the compound border by painting the outside border with the specified position and size and then painting the inside border at the specified position and size offset by the insets of the outside border.

Methods inherited from class com.sun.java.swing.border.AbstractBorder

getBorderInsets, getInteriorRectangle, getInteriorRectangle, isBorderOpaque, paintBorder

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notifyAll, notify, toString, wait, wait, wait

Field Detail

outsideBorder

protected Border outsideBorder

insideBorder

protected Border insideBorder

Constructor Detail

CompoundBorder

public CompoundBorder()

Creates a compound border with null outside and inside borders.

CompoundBorder

public CompoundBorder(Border outsideBorder,
                      Border insideBorder)

Creates a compound border with the specified outside and inside borders. Either border may be null.

Parameters:

outsideBorder - the outside border

insideBorder - the inside border to be nested

Method Detail

isBorderOpaque

public boolean isBorderOpaque()

Returns whether or not this compound border is opaque. Returns true if both the inside and outside borders are non-null and opaque; returns false otherwise.

Overrides:

isBorderOpaque in class AbstractBorder

paintBorder

public void paintBorder(java.awt.Component c,
                        java.awt.Graphics g,
                        int x,
                        int y,
                        int width,
                        int height)

Paints the compound border by painting the outside border with the specified position and size and then painting the inside border at the specified position and size offset by the insets of the outside border.

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

Overrides:

paintBorder in class AbstractBorder

getBorderInsets

public java.awt.Insets getBorderInsets(java.awt.Component c)

Returns the insets of the composite border by adding the insets of the outside border to the insets of the inside border.

Parameters:

c - the component for which this border insets value applies

Overrides:

getBorderInsets in class AbstractBorder

getOutsideBorder

public Border getOutsideBorder()

Returns the outside border object.

getInsideBorder

public Border getInsideBorder()

Returns the inside border object.