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.

    {
        return new WinBackBufferSurfaceManager(this, context);
    }


    public Win32OffScreenSurfaceData getHWSurfaceData() {
        SurfaceData sd = SurfaceData.getPrimarySurfaceData(this);
        return (sd instanceof Win32OffScreenSurfaceData) ?
            (Win32OffScreenSurfaceData)sd : null;
    }

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    // necessary hinted pixelization rules.  This should be replaced
    // by a native FillSpans method or a getHintedStrokeGeneralPath()
    // method that could be filled by the doShape method more quickly.
    public void doFillSpans(SunGraphics2D sg2d, SpanIterator si) {
        int box[] = new int[4];
        SurfaceData sd = sg2d.surfaceData;
        while (si.nextSpan(box)) {
            doFillRectDD(sd, sg2d.pixel, box[0], box[1], box[2], box[3]);
        }
    }

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    /**
     * Create a pbuffer-based SurfaceData object (or init the backbuffer
     * of an existing window if this is a double buffered GraphicsConfig).
     */
    protected SurfaceData initAcceleratedSurface() {
        SurfaceData sData;
        Component comp = vImg.getComponent();
        WComponentPeer peer =
            (comp != null) ? (WComponentPeer)comp.getPeer() : null;


        try {

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            WritableRaster wr =
                dstModel.createCompatibleWritableRaster(width, height);
            boolean isPremult = dstModel.isAlphaPremultiplied();
            BufferedImage bimg =
                new BufferedImage(dstModel, wr, isPremult, null);
            SurfaceData tmpData = BufImgSurfaceData.createData(bimg);
            SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor,
                                                   defaultFont);
            FillRect fillop = FillRect.locate(SurfaceType.AnyColor,
                                              CompositeType.SrcNoEa,
                                              tmpData.getSurfaceType());
            Blit combineop = Blit.getFromCache(srcData.getSurfaceType(),
                                               CompositeType.SrcOverNoEa,
                                               tmpData.getSurfaceType());
            Blit blitop = Blit.getFromCache(tmpData.getSurfaceType(),
                                            CompositeType.SrcNoEa, dstType);
            fillop.FillRect(sg2d, tmpData, 0, 0, width, height);
            combineop.Blit(srcData, tmpData, AlphaComposite.SrcOver, null,
                           srcx, srcy, 0, 0, width, height);
            blitop.Blit(tmpData, dstData, comp, clip,

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         * Overrides the base class implementation so we can invalidate
         * the accelData field instead of the cachedSD field.
         */
        @Override
        public synchronized void flush() {
            SurfaceData accelData = this.accelData;
            if (accelData != null) {
                this.accelData = null;
                accelData.flush();
            }
            super.flush();
        }

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    // necessary hinted pixelization rules.  This should be replaced
    // by a native FillSpans method or a getHintedStrokeGeneralPath()
    // method that could be filled by the doShape method more quickly.
    public void doFillSpans(SunGraphics2D sg2d, SpanIterator si) {
        int box[] = new int[4];
        SurfaceData sd = sg2d.surfaceData;
        Region clip = sg2d.getCompClip();
        Composite comp = sg2d.composite;
        int eargb = sg2d.eargb;
        while (si.nextSpan(box)) {
            doFillRect(sd, clip, comp, eargb,

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    public static SurfaceData createData(BufferedImage bufImg) {
        if (bufImg == null) {
            throw new NullPointerException("BufferedImage cannot be null");
        }
        SurfaceData sData;
        ColorModel cm = bufImg.getColorModel();
        int type = bufImg.getType();
        // REMIND: Check the image type and pick an appropriate subclass
        switch (type) {
        case BufferedImage.TYPE_INT_BGR:

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                if ((imgw & (imgw - 1)) != 0 || (imgh & (imgh - 1)) != 0) {
                    return false;
                }
            }


            SurfaceData srcData =
                dstData.getSourceSurfaceData(bi, sg2d.TRANSFORM_ISIDENT,
                                             CompositeType.SrcOver, null);
            if (!(srcData instanceof OGLSurfaceData)) {
                // REMIND: this is a hack that attempts to cache the system
                //         memory image from the TexturePaint instance into an

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        //         REMIND: we should tweak the sw->texture->surface
        //         transform case to handle filtering appropriately
        //         (see 4841762)...
        //     - 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() == OGLSurfaceData.OpenGLTexture ||
                 srcData.getSurfaceType() == OGLSurfaceData.OpenGLSurfaceRTT ||
                 interpType == AffineTransformOp.TYPE_NEAREST_NEIGHBOR))
            {
                SurfaceType srcType = srcData.getSurfaceType();
                SurfaceType dstType = dstData.getSurfaceType();
                TransformBlit blit = TransformBlit.getFromCache(srcType,
                                                                sg.imageComp,
                                                                dstType);

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            WritableRaster wr =
                dstModel.createCompatibleWritableRaster(width, height);
            boolean isPremult = dstModel.isAlphaPremultiplied();
            BufferedImage bimg =
                new BufferedImage(dstModel, wr, isPremult, null);
            SurfaceData tmpData = BufImgSurfaceData.createData(bimg);
            SunGraphics2D sg2d = new SunGraphics2D(tmpData, bgColor, bgColor,
                                                   defaultFont);
            FillRect fillop = FillRect.locate(SurfaceType.AnyColor,
                                              CompositeType.SrcNoEa,
                                              tmpData.getSurfaceType());
            Blit combineop = Blit.getFromCache(srcData.getSurfaceType(),
                                               CompositeType.SrcOverNoEa,
                                               tmpData.getSurfaceType());
            Blit blitop = Blit.getFromCache(tmpData.getSurfaceType(), compositeType,
                                            dstData.getSurfaceType());
            fillop.FillRect(sg2d, tmpData, 0, 0, width, height);
            combineop.Blit(srcData, tmpData, AlphaComposite.SrcOver, null,
                           srcx, srcy, 0, 0, width, height);
            blitop.Blit(tmpData, dstData, comp, clip,

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sun.java2d.windows.WinBackBuffer

sun.awt.windows.WVolatileImage

sun.java2d.x11.X11VolatileSurfaceManager

sun.awt.motif.MEmbeddedFramePeer

sun.java2d.pipe.GeneralCompositePipe

sun.java2d.d3d.D3DPaints$Texture

sun.java2d.xr.XRVolatileSurfaceManager

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