sun.awt

public Interface SubRegionShowable

Known Direct Implementers: java.awt.Component.FlipSubRegionBufferStrategy, java.awt.Component.BltSubRegionBufferStrategy

Interface used by Swing to make copies from the Swing back buffer more optimal when using BufferStrategy; no need to copy the entire buffer when only a small sub-region has changed.

See Also: javax.swing.BufferStrategyPaintManager

Method Summary

Modifier and Type	Method and Description
public void	show(int x1, int y1, int x2, int y2) Shows the specific subregion.
public boolean	Returns: true if successful showIfNotLost(int x1, int y1, int x2, int y2) Shows the specified region if the buffer is not lost and the dimensions of the back-buffer match those of the component.

Method Detail

show	back to summary
public void show(int x1, int y1, int x2, int y2) Shows the specific subregion.

showIfNotLost	back to summary
public boolean showIfNotLost(int x1, int y1, int x2, int y2) Shows the specified region if the buffer is not lost and the dimensions of the back-buffer match those of the component. Returns:boolean true if successful

showIfNotLost

back to summary

public boolean showIfNotLost(int x1, int y1, int x2, int y2)

Shows the specified region if the buffer is not lost and the dimensions of the back-buffer match those of the component.

Returns:boolean: true if successful