Examples of sun.awt.image.SurfaceManager

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.


                // Getting the DataBuffer for an image (as it's done below) defeats
                // possible future acceleration.
                // Calling setLocalAccelerationEnabled on that image's surface
                // manager re-enables it.
                SurfaceManager sm = SurfaceManager.getManager(bi);
                if (sm.getClass().getName().equals("sun.awt.image.CachingSurfaceManager")) {
                    try {
                        accEnabled = (Boolean) ReflectionUtils.callGet(sm, "isLocalAccelerationEnabled");
                    }
                    catch (Exception e) {
                        // ignore
                    }
                }


                WritableRaster raster = bi.getRaster();
                DataBufferInt buffer = (DataBufferInt) raster.getDataBuffer();
                ThemeReader.paintBackground(buffer.getData(),
                        part.getControlName(c), part.getValue(),
                        TMSchema.State.getValue(part, state),
                        0, 0, w, h, w);


                if (sm.getClass().getName().equals("sun.awt.image.CachingSurfaceManager")) {
                    try {
                        boolean oldAccEnabled = (Boolean) ReflectionUtils.callGet(sm, "isLocalAccelerationEnabled");
                        if (accEnabled != oldAccEnabled) {
                            ReflectionUtils.callSet(sm, "setLocalAccelerationEnabled", accEnabled);
                            ReflectionUtils.call(sm, "rasterChanged");

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            // possible future acceleration.
            // Calling setLocalAccelerationEnabled on that image's surface
            // manager re-enables it.
            boolean accelerated = false;
            CachingSurfaceManager csm = null;
            SurfaceManager sm = SurfaceManager.getManager(image);
            if (sm instanceof CachingSurfaceManager) {
                csm = (CachingSurfaceManager)sm;
                accelerated = csm.isLocalAccelerationEnabled();
            }

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    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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            wrn = null;
        }
        setSurfaceLost(true);
        if (image != null) {
            // Inform the Volatile that it lost its accelerated surface
            SurfaceManager sMgr = SurfaceManager.getManager(image);
            sMgr.acceleratedSurfaceLost();
        }
    }

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     * should be disabled.
     */
    protected void disableDD() {
        markSurfaceLost();
        if (image != null) {
            SurfaceManager sMgr = SurfaceManager.getManager(image);
            // REMIND: yes, this is not pretty; the accelerationEnabled property
            // should be pulled up to SurfaceManager some day.
            if (sMgr instanceof WinVolatileSurfaceManager) {
                ((WinVolatileSurfaceManager)sMgr).setAccelerationEnabled(false);
            }

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     * surface).
     * Upon next validation the SurfaceManager will create a non-D3D surface.
     */
    public void disableD3D() {
        markSurfaceLost();
        SurfaceManager sMgr = SurfaceManager.getManager(image);
        if (sMgr instanceof WinVolatileSurfaceManager) {
            ((WinVolatileSurfaceManager)sMgr).setD3DAccelerationEnabled(false);
        }
    }

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    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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