You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.7 KiB
69 lines
1.7 KiB
/*
|
|
* Copyright (c) 1997, 1998, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
package java.awt;
|
|
|
|
import java.awt.image.Raster;
|
|
import java.awt.image.WritableRaster;
|
|
|
|
/**
|
|
* The <code>CompositeContext</code> interface defines the encapsulated
|
|
* and optimized environment for a compositing operation.
|
|
* <code>CompositeContext</code> objects maintain state for
|
|
* compositing operations. In a multi-threaded environment, several
|
|
* contexts can exist simultaneously for a single {@link Composite}
|
|
* object.
|
|
* @see Composite
|
|
*/
|
|
|
|
public interface CompositeContext {
|
|
/**
|
|
* Releases resources allocated for a context.
|
|
*/
|
|
public void dispose();
|
|
|
|
/**
|
|
* Composes the two source {@link Raster} objects and
|
|
* places the result in the destination
|
|
* {@link WritableRaster}. Note that the destination
|
|
* can be the same object as either the first or second
|
|
* source. Note that <code>dstIn</code> and
|
|
* <code>dstOut</code> must be compatible with the
|
|
* <code>dstColorModel</code> passed to the
|
|
* {@link Composite#createContext(java.awt.image.ColorModel, java.awt.image.ColorModel, java.awt.RenderingHints) createContext}
|
|
* method of the <code>Composite</code> interface.
|
|
* @param src the first source for the compositing operation
|
|
* @param dstIn the second source for the compositing operation
|
|
* @param dstOut the <code>WritableRaster</code> into which the
|
|
* result of the operation is stored
|
|
* @see Composite
|
|
*/
|
|
public void compose(Raster src,
|
|
Raster dstIn,
|
|
WritableRaster dstOut);
|
|
|
|
|
|
}
|