Examples of ae.sun.awt.image.SurfaceManager$ImageAccessor

ae.sun.awt.image.SurfaceManager
The abstract base class that manages the various SurfaceData objects that represent an Image's contents. Subclasses can customize how the surfaces are organized, whether to cache the original contents in an accelerated surface, and so on.
The SurfaceManager also maintains an arbitrary "cache" mechanism which allows other agents to store data in it specific to their use of this image. The most common use of the caching mechanism is for destination SurfaceData objects to store cached copies of the source image.

    public SurfaceData getSourceSurfaceData(Image img,
                                            int txtype,
                                            CompositeType comp,
                                            Color bgColor)
    {
        SurfaceManager srcMgr = SurfaceManager.getManager(img);
        SurfaceData srcData = srcMgr.getPrimarySurfaceData();
        if (img.getAccelerationPriority() > 0.0f &&
            blitProxyKey != null)
        {
            SurfaceDataProxy sdp =
                (SurfaceDataProxy) srcMgr.getCacheData(blitProxyKey);
            if (sdp == null || !sdp.isValid()) {
                if (srcData.getState() == State.UNTRACKABLE) {
                    sdp = SurfaceDataProxy.UNCACHED;
                } else {
                    sdp = makeProxyFor(srcData);
                }
                srcMgr.setCacheData(blitProxyKey, sdp);
            }
            srcData = sdp.replaceData(srcData, txtype, comp, bgColor);
        }
        return srcData;
    }

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     * Extracts the SurfaceManager from the given Image, and then
     * returns the SurfaceData object that would best be suited as the
     * destination surface in some rendering operation.
     */
    public static SurfaceData getPrimarySurfaceData(Image img) {
        SurfaceManager sMgr = SurfaceManager.getManager(img);
        return sMgr.getPrimarySurfaceData();
    }

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    /**
     * Restores the contents of the given Image and then returns the new
     * SurfaceData object in use by the Image's SurfaceManager.
     */
    public static SurfaceData restoreContents(Image img) {
        SurfaceManager sMgr = SurfaceManager.getManager(img);
        return sMgr.restoreContents();
    }

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Related Classes of ae.sun.awt.image.SurfaceManager$ImageAccessor

ae.java.awt.GraphicsConfiguration

ae.java.awt.image.BufferedImage

ae.sun.java2d.SurfaceData

ae.sun.java2d.SurfaceDataProxy

java.util.concurrent.ConcurrentHashMap

java.util.Iterator

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