Examples of ae.sun.java2d.SurfaceData

ae.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.

                                          int srcx, int srcy,
                                          int dstx, int dsty,
                                          int width, int height,
                                          byte mask[], int offset, int scan)
        {
            SurfaceData src, dst;
            Region opclip;
            int sx, sy, dx, dy;


            if (convertsrc == null) {
                src = srcData;
                sx = srcx;
                sy = srcy;
            } else {
                SurfaceData cachedSrc = null;
                if (srcTmp != null) {
                    cachedSrc = (SurfaceData) srcTmp.get();
                }
                src = convertFrom(convertsrc, srcData, srcx, srcy,
                                  width, height, cachedSrc);
                sx = 0;
                sy = 0;
                if (src != cachedSrc) {
                    srcTmp = new WeakReference(src);
                }
            }


            if (convertdst == null) {
                dst = dstData;
                dx = dstx;
                dy = dsty;
                opclip = clip;
            } else {
                // assert: convertresult != null
                SurfaceData cachedDst = null;
                if (dstTmp != null) {
                    cachedDst = (SurfaceData) dstTmp.get();
                }
                dst = convertFrom(convertdst, dstData, dstx, dsty,
                                  width, height, cachedDst);

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            return sg;
        }


        public void renderBox(Object ctx, int x, int y, int w, int h) {
            SunGraphics2D sg2d = (SunGraphics2D) ctx;
            SurfaceData sd = sg2d.getSurfaceData();
            sg2d.loops.fillRectLoop.FillRect(sg2d, sd, x, y, w, h);
        }

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            // using a SurfaceData that was created in a different
            // display mode.
            sdBackup = null;
            sdCurrent = getBackupSurface();
            // Now, invalidate the old hardware-based SurfaceData
            SurfaceData oldData = sdAccel;
            sdAccel = null;
            oldData.invalidate();
        }
        // Update graphicsConfig for the vImg in case it changed due to
        // this display change event
        vImg.updateGraphicsConfig();
    }

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     * situation so any future operations on the image will need to
     * revalidate the image first.
     */
    public void flush() {
        lostSurface = true;
        SurfaceData oldSD = sdAccel;
        sdAccel = null;
        if (oldSD != null) {
            oldSD.flush();
        }
    }

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


        SunGraphics2D sg2d = (SunGraphics2D)g;
        SurfaceData sData = (SurfaceData)sg2d.surfaceData;
        Region r = sg2d.getCompClip();
        if (!r.isRectangular()) {
            // caller probably doesn't know how to handle shape clip
            // appropriately, so just return null (Swing currently never
            // sets a shape clip, but that could change in the future)
            return null;
        }


        // this is the upper-left origin of the scissor box relative to the
        // upper-left origin of the surface (in Java 2D coordinates)
        int x0 = r.getLoX();
        int y0 = r.getLoY();


        // this is the width and height of the scissor region
        int w = r.getWidth();
        int h = r.getHeight();


        // this is the lower-left origin of the scissor box relative to the
        // lower-left origin of the surface (in OpenGL coordinates)
        Rectangle surfaceBounds = sData.getBounds();
        int x1 = x0;
        int y1 = surfaceBounds.height - (y0 + h);


        return new Rectangle(x1, y1, w, h);
    }

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     */
    public static int getOGLSurfaceType(Graphics g) {
        if (!(g instanceof SunGraphics2D)) {
            return UNDEFINED;
        }
        SurfaceData sData = ((SunGraphics2D)g).surfaceData;
        if (!(sData instanceof OGLSurfaceData)) {
            return UNDEFINED;
        }
        return ((OGLSurfaceData)sData).getType();
    }

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Related Classes of ae.sun.java2d.SurfaceData

ae.sun.awt.image.BufImgSurfaceData

ae.sun.awt.image.SurfaceManager

ae.sun.awt.image.VolatileSurfaceManager

ae.sun.java2d.loops.Blit$GeneralXorBlit

ae.sun.java2d.loops.BlitBg$General

ae.sun.java2d.loops.CompositeType

ae.sun.java2d.loops.DrawGlyphListLCD

ae.sun.java2d.loops.MaskBlit$General

ae.sun.java2d.loops.MaskFill$General

ae.sun.java2d.loops.RenderLoops

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