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## java.awt
Interface CompositeContext

    public interface CompositeContext

The `CompositeContext` interface defines the encapsulated and optimized environment for a compositing operation. `CompositeContext` objects maintain state for compositing operations. In a multi-threaded environment, several contexts can exist simultaneously for a single `Composite` object.

See Also:
  `Composite`

Method Summary
`void` | `compose(Raster src, Raster dstIn, WritableRaster dstOut)` Composes the two source `Raster` objects and places the result in the destination `WritableRaster`.
`void` | `dispose()` Releases resources allocated for a context.

Method Detail

### dispose

    void dispose()

  Releases resources allocated for a context.

### compose

    void compose(Raster src,
                 Raster dstIn,
                 WritableRaster dstOut)

  Composes the two source `Raster` objects and places the result in the destination `WritableRaster`. Note that the destination can be the same object as either the first or second source. Note that `dstIn` and `dstOut` must be compatible with the `dstColorModel` passed to the `createContext` method of the `Composite` interface.

  Parameters:
    `src` - the first source for the compositing operation
    `dstIn` - the second source for the compositing operation
    `dstOut` - the `WritableRaster` into which the result of the operation is stored
  See Also:
    `Composite`

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For further API reference and developer documentation, see Java 2 SDK SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.