/*
 * Copyright (c) 1997, 2007, 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.ColorModel;

/**
 * The <code>PaintContext</code> interface defines the encapsulated
 * and optimized environment to generate color patterns in device
 * space for fill or stroke operations on a
 * {@link Graphics2D}. The <code>PaintContext</code> provides
 * the necessary colors for <code>Graphics2D</code> operations in the
 * form of a {@link Raster} associated with a {@link ColorModel}.
 * The <code>PaintContext</code> maintains state for a particular paint
 * operation. In a multi-threaded environment, several
 * contexts can exist simultaneously for a single {@link Paint} object.
 * @see Paint
 */

public interface PaintContext {
 /**
 * Releases the resources allocated for the operation.
 */
 public void dispose();

 /**
 * Returns the <code>ColorModel</code> of the output. Note that
 * this <code>ColorModel</code> might be different from the hint
 * specified in the
 * {@link Paint#createContext(ColorModel, Rectangle, Rectangle2D,
AffineTransform, RenderingHints) createContext} method of
 * <code>Paint</code>. Not all <code>PaintContext</code> objects are
 * capable of generating color patterns in an arbitrary
 * <code>ColorModel</code>.
 * @return the <code>ColorModel</code> of the output.
 */
 ColorModel getColorModel();

 /**
 * Returns a <code>Raster</code> containing the colors generated for
 * the graphics operation.
 * @param x the x coordinate of the area in device space
 * for which colors are generated.
 * @param y the y coordinate of the area in device space
 * for which colors are generated.
 * @param w the width of the area in device space
 * @param h the height of the area in device space
 * @return a <code>Raster</code> representing the specified
 * rectangular area and containing the colors generated for
 * the graphics operation.
 */
 Raster getRaster(int x,
 int y,
 int w,
 int h);

}