org.jfree.chart.block
public class EmptyBlock extends AbstractBlock implements Block, Cloneable, PublicCloneable, Serializable
Constructor Summary | |
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EmptyBlock(double width, double height)
Creates a new block with the specified width and height.
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Method Summary | |
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Size2D | arrange(Graphics2D g2, RectangleConstraint constraint)
Arranges the contents of the block, within the given constraints, and
returns the block size.
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Object | clone()
Returns a clone of the block.
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void | draw(Graphics2D g2, Rectangle2D area)
Draws the block. |
Object | draw(Graphics2D g2, Rectangle2D area, Object params)
Draws the block within the specified area. |
Parameters: width the width. height the height.
Parameters: g2 the graphics device. constraint the constraint (null
not permitted).
Returns: The block size (in Java2D units, never null
).
Returns: A clone.
Throws: CloneNotSupportedException if there is a problem cloning.
Parameters: g2 the graphics device. area the area.
Parameters: g2 the graphics device. area the area. params ignored (null
permitted).
Returns: Always null
.