CompositeContext.java revision 0
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5037N/A
6131N/Apackage java.awt;
6238N/A
0N/Aimport java.awt.image.Raster;
0N/Aimport java.awt.image.WritableRaster;
6133N/A
6133N/A/**
0N/A * The <code>CompositeContext</code> interface defines the encapsulated
5422N/A * and optimized environment for a compositing operation.
0N/A * <code>CompositeContext</code> objects maintain state for
0N/A * compositing operations. In a multi-threaded environment, several
0N/A * contexts can exist simultaneously for a single {@link Composite}
3012N/A * object.
5040N/A * @see Composite
3381N/A */
3349N/A
3349N/Apublic interface CompositeContext {
3012N/A /**
1083N/A * Releases resources allocated for a context.
1083N/A */
1083N/A public void dispose();
1083N/A
4156N/A /**
1083N/A * Composes the two source {@link Raster} objects and
1083N/A * places the result in the destination
1083N/A * {@link WritableRaster}. Note that the destination
1083N/A * can be the same object as either the first or second
3090N/A * source. Note that <code>dstIn</code> and
3090N/A * <code>dstOut</code> must be compatible with the
3214N/A * <code>dstColorModel</code> passed to the
5481N/A * {@link Composite#createContext(java.awt.image.ColorModel, java.awt.image.ColorModel, java.awt.RenderingHints) createContext}
1083N/A * method of the <code>Composite</code> interface.
1083N/A * @param src the first source for the compositing operation
1083N/A * @param dstIn the second source for the compositing operation
1083N/A * @param dstOut the <code>WritableRaster</code> into which the
6133N/A * result of the operation is stored
6133N/A * @see Composite
6157N/A */
6157N/A public void compose(Raster src,
6157N/A Raster dstIn,
6157N/A WritableRaster dstOut);
6157N/A
6157N/A
6157N/A}
6157N/A