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package sun.lwawt;

import java.awt.AWTException;
import java.awt.BufferCapabilities;
import java.awt.Component;
import java.awt.Image;

As lwawt can be used on different platforms with different graphic
configurations, the general set of methods is necessary. This interface
collects the methods that should be provided by GraphicsConfiguration,
simplifying use by the LWAWT.
Author:
Sergey Bylokhov/**
 * As lwawt can be used on different platforms with different graphic
 * configurations, the general set of methods is necessary. This interface
 * collects the methods that should be provided by GraphicsConfiguration,
 * simplifying use by the LWAWT.
 *
 * @author Sergey Bylokhov
 */
public interface LWGraphicsConfig {

    /*
     * A GraphicsConfiguration must implements following methods to indicate
     * that it imposes certain limitations on the maximum size of supported
     * textures.
     */

    
Returns the maximum width of any texture image. By default return 
Integer.MAX_VALUE. /**
     * Returns the maximum width of any texture image. By default return {@code
     * Integer.MAX_VALUE}.
     */
    int getMaxTextureWidth();

    
Returns the maximum height of any texture image. By default return 
Integer.MAX_VALUE. /**
     * Returns the maximum height of any texture image. By default return {@code
     * Integer.MAX_VALUE}.
     */
    int getMaxTextureHeight();

    /*
     * The following methods correspond to the multi-buffering methods in
     * LWComponentPeer.java.
     */

    
Checks that the requested configuration is natively supported; if not, an
AWTException is thrown.
/**
     * Checks that the requested configuration is natively supported; if not, an
     * AWTException is thrown.
     */
    void assertOperationSupported(int numBuffers, BufferCapabilities caps)
            throws AWTException;

    
Creates a back buffer for the given peer and returns the image wrapper.
/**
     * Creates a back buffer for the given peer and returns the image wrapper.
     */
    Image createBackBuffer(LWComponentPeer<?, ?> peer);

    
Destroys the back buffer object.
/**
     * Destroys the back buffer object.
     */
    void destroyBackBuffer(Image backBuffer);

    
Performs the native flip operation for the given target Component. Our
flip is implemented through normal drawImage() to the graphic object,
because of our components uses a graphic object of the container(in this
case we also apply necessary constrains)
/**
     * Performs the native flip operation for the given target Component. Our
     * flip is implemented through normal drawImage() to the graphic object,
     * because of our components uses a graphic object of the container(in this
     * case we also apply necessary constrains)
     */
    void flip(LWComponentPeer<?, ?> peer, Image backBuffer, int x1, int y1,
              int x2, int y2, BufferCapabilities.FlipContents flipAction);

    
Creates a new hidden-acceleration image of the given width and height
that is associated with the target Component.
/**
     * Creates a new hidden-acceleration image of the given width and height
     * that is associated with the target Component.
     */
    Image createAcceleratedImage(Component target, int width, int height);
}