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Class com.sun.java.swing.border.CompoundBorder
java.lang.Object
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+----com.sun.java.swing.border.AbstractBorder
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+----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));
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insideBorder
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outsideBorder
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CompoundBorder()
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Creates a compound border with null outside and inside borders.
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CompoundBorder(Border, Border)
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Creates a compound border with the specified outside and
inside borders.
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getBorderInsets(Component)
- Returns the insets of the composite border by adding
the insets of the outside border to the insets of the
inside border.
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getInsideBorder()
- Returns the inside border object.
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getOutsideBorder()
- Returns the outside border object.
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isBorderOpaque()
- Returns whether or not this compound border is opaque.
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paintBorder(Component, Graphics, int, int, int, int)
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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.
outsideBorder
protected Border outsideBorder
insideBorder
protected Border insideBorder
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
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(Component c,
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 Insets getBorderInsets(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.
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