Examples of sun.java2d.SurfaceData

sun.java2d.SurfaceData
This class provides various pieces of information relevant to a particular drawing surface. The information obtained from this object describes the pixels of a particular instance of a drawing surface and can only be shared among the various graphics objects that target the same BufferedImage or the same screen Component.
Each SurfaceData object holds a StateTrackableDelegate object which tracks both changes to the content of the pixels of this surface and changes to the overall state of the pixels - such as becoming invalid or losing the surface. The delegate is marked "dirty" whenever the setSurfaceLost() or invalidate() methods are called and should also be marked "dirty" by the rendering pipelines whenever they modify the pixels of this SurfaceData.
If you get a StateTracker from a SurfaceData and it reports that it is still "current", then you can trust that the pixels have not changed and that the SurfaceData is still valid and has not lost its underlying storage (surfaceLost) since you retrieved the tracker.

    /*
     * Subclasses should override disposeImpl() instead of dispose(). Client
     * code should always invoke dispose(), never disposeImpl().
     */
    protected void disposeImpl() {
        SurfaceData oldData = surfaceData;
        surfaceData = null;
        oldData.invalidate();
        MToolkit.targetDisposedPeer(target, this);
        pDispose();
    }

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        } else {
            pReshape(x, y, width, height);
        }


        if ((width != oldWidth) || (height != oldHeight)) {
            SurfaceData oldData = surfaceData;
            if (oldData != null) {
                surfaceData = graphicsConfig.createSurfaceData(this);
                oldData.invalidate();
            }
            oldWidth = width;
            oldHeight = height;
        }
        validateSurface(width, height);

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    void validateSurface(int width, int height) {
        SunToolkit.awtLock();
        try {
            if (!disposed && (width != oldWidth || height != oldHeight)) {
                SurfaceData oldData = surfaceData;
                if (oldData != null) {
                    surfaceData = graphicsConfig.createSurfaceData(this);
                    oldData.invalidate();
                }
                oldWidth = width;
                oldHeight = height;
            }
        } finally {

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            long pDst = dstData.getNativeOps();
            setRenderTarget(nativeContext, pDst);


            // keep the reference to the old data until we set the
            // new one on the native level, preventing it from being disposed
            SurfaceData tmpData = dstData;
            validatedDstData = dstData;
            tmpData = null;
        }
        // it's better to use dstData instead of validatedDstData because
        // the latter may be set to null via invalidateContext at any moment.

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        //     - bicubic interpolation is specified
        //     - a background color is specified and will be used
        //     - the source surface is not a texture
        //     - an appropriate TransformBlit primitive could not be found
        if (interpType != AffineTransformOp.TYPE_BICUBIC) {
            SurfaceData dstData = sg.surfaceData;
            SurfaceData srcData =
                dstData.getSourceSurfaceData(img,
                                             sg.TRANSFORM_GENERIC,
                                             sg.imageComp,
                                             bgColor);


            if (srcData != null &&
                !isBgOperation(srcData, bgColor) &&
                srcData.getSurfaceType() == D3DSurfaceData.D3DTexture)
            {
                SurfaceType srcType = srcData.getSurfaceType();
                SurfaceType dstType = dstData.getSurfaceType();
                TransformBlit blit = TransformBlit.getFromCache(srcType,
                                                                sg.imageComp,
                                                                dstType);

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        if (comp.getRule() != AlphaComposite.SRC_OVER) {
            comp = AlphaComposite.SrcOver;
        }


        synchronized (D3DContext.LOCK) {
            SurfaceData dstData = sg2d.surfaceData;
            long pCtx = D3DContext.getContext(dstData, dstData,
                                              sg2d.getCompClip(), comp,
                                              null, sg2d.eargb,
                                              D3DContext.NO_CONTEXT_FLAGS);


            doDrawGlyphList(dstData.getNativeOps(), pCtx,
                            sg2d.getCompClip(), gl);
        }
    }

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     * Performs disposal of menu window.
     * Should be called only on eventHandlerThread
     */
    protected void doDispose() {
        xSetVisible(false);
        SurfaceData oldData = surfaceData;
        surfaceData = null;
        if (oldData != null) {
            oldData.invalidate();
        }
        XToolkit.targetDisposedPeer(target, this);
        destroy();
    }

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    {
        Blit convertsrc = Blit.getFromCache(src.getSurfaceType(),
                                            CompositeType.SrcNoEa,
                                            SurfaceType.IntArgbPre);


        SurfaceData cachedSrc = null;
        if (srcTmp != null) {
            // use cached intermediate surface, if available
            cachedSrc = (SurfaceData)srcTmp.get();
        }

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        try {
            if (g != null) {
                if (!(g instanceof SunGraphics2D)) {
                    return false;
                }
                SurfaceData sData = ((SunGraphics2D)g).surfaceData;
                if (!(sData instanceof OGLSurfaceData)) {
                    return false;
                }


                // make a context current to the destination surface

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        if (!(g instanceof SunGraphics2D)) {
            return null;
        }


        SunGraphics2D sg2d = (SunGraphics2D)g;
        SurfaceData sData = (SurfaceData)sg2d.surfaceData;


        // this is the upper-left origin of the region to be painted,
        // relative to the upper-left origin of the surface
        // (in Java2D coordinates)
        int x0 = sg2d.transX;
        int y0 = sg2d.transY;


        // this is the lower-left origin of the region to be painted,
        // relative to the lower-left origin of the surface
        // (in OpenGL coordinates)
        Rectangle surfaceBounds = sData.getBounds();
        int x1 = x0;
        int y1 = surfaceBounds.height - (y0 + componentHeight);


        return new Rectangle(x1, y1, componentWidth, componentHeight);
    }

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sun.awt.windows.WVolatileImage

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sun.java2d.pipe.GeneralCompositePipe

sun.java2d.d3d.D3DPaints$Texture

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