Examples of ae.java.awt.image.WritableRaster

ae.java.awt.image.WritableRaster
This class extends Raster to provide pixel writing capabilities. Refer to the class comment for Raster for descriptions of how a Raster stores pixels.
The constructors of this class are protected. To instantiate a WritableRaster, use one of the createWritableRaster factory methods in the Raster class.

     *            if the specified bounding box is outside of the parent raster.
     */
    public Raster createChild (int x, int y,
                               int width, int height,
                               int x0, int y0, int[] bandList) {
        WritableRaster newRaster = createWritableChild(x, y,
                                                       width, height,
                                                       x0, y0,
                                                       bandList);
        return (Raster) newRaster;
    }

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    public static PaintContext getContext(BufferedImage bufImg,
                                          AffineTransform xform,
                                          RenderingHints hints,
                                          Rectangle devBounds) {
        WritableRaster raster = bufImg.getRaster();
        ColorModel cm = bufImg.getColorModel();
        int maxw = devBounds.width;
        Object val = hints.get(hints.KEY_INTERPOLATION);
        boolean filter =
            (val == null

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                                                  Raster srcRas,
                                                  int w, int h)
    {
        if (xrgbmodel == cm) {
            if (xrgbRasRef != null) {
                WritableRaster wr = (WritableRaster) xrgbRasRef.get();
                if (wr != null && wr.getWidth() >= w && wr.getHeight() >= h) {
                    xrgbRasRef = null;
                    return wr;
                }
            }
            // If we are going to cache this Raster, make it non-tiny
            if (w <= 32 && h <= 32) {
                w = h = 32;
            }
        } else if (argbmodel == cm) {
            if (argbRasRef != null) {
                WritableRaster wr = (WritableRaster) argbRasRef.get();
                if (wr != null && wr.getWidth() >= w && wr.getHeight() >= h) {
                    argbRasRef = null;
                    return wr;
                }
            }
            // If we are going to cache this Raster, make it non-tiny

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    synchronized static WritableRaster makeByteRaster(Raster srcRas,
                                                      int w, int h)
    {
        if (byteRasRef != null) {
            WritableRaster wr = (WritableRaster) byteRasRef.get();
            if (wr != null && wr.getWidth() >= w && wr.getHeight() >= h) {
                byteRasRef = null;
                return wr;
            }
        }
        // If we are going to cache this Raster, make it non-tiny

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            this.inOff = srcRas.getDataOffset(0);
            this.filter = filter;
        }


        public WritableRaster makeRaster(int w, int h) {
            WritableRaster ras = makeRaster(colorModel, srcRas, w, h);
            IntegerInterleavedRaster iiRas = (IntegerInterleavedRaster) ras;
            outData = iiRas.getDataStorage();
            outSpan = iiRas.getScanlineStride();
            outOff = iiRas.getDataOffset(0);
            return ras;

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            this.inSpan = srcRas.getScanlineStride();
            this.inOff = srcRas.getDataOffset(0);
        }


        public WritableRaster makeRaster(int w, int h) {
            WritableRaster ras = makeByteRaster(srcRas, w, h);
            ByteInterleavedRaster biRas = (ByteInterleavedRaster) ras;
            outData = biRas.getDataStorage();
            outSpan = biRas.getScanlineStride();
            outOff = biRas.getDataOffset(0);
            return ras;

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                                                      0x00ff0000,
                                                      0x0000ff00,
                                                      0x000000ff);


            int bandmasks[] = {0x00ff0000, 0x0000ff00, 0x000000ff};
            WritableRaster opRaster = Raster.createPackedRaster(db, w, h, w,
                                                                bandmasks,
                                                                null);


            try {
                BufferedImage opImage = createImage(opModel, opRaster,

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        }


        public WritableRaster makeRaster(int w, int h) {
            // Note that we do not pass srcRas to makeRaster since it
            // is a Byte Raster and this colorModel needs an Int Raster
            WritableRaster ras = makeRaster(colorModel, null, w, h);
            IntegerInterleavedRaster iiRas = (IntegerInterleavedRaster) ras;
            outData = iiRas.getDataStorage();
            outSpan = iiRas.getScanlineStride();
            outOff = iiRas.getDataOffset(0);
            return ras;

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            Object data = null;
            int rowx = x;
            int rowy = y;
            int rowxerr = xerr;
            int rowyerr = yerr;
            WritableRaster srcRas = this.srcRas;
            WritableRaster outRas = this.outRas;
            int rgbs[] = filter ? new int[4] : null;
            for (int j = 0; j < h; j++) {
                x = rowx;
                y = rowy;
                xerr = rowxerr;
                yerr = rowyerr;
                for (int i = 0; i < w; i++) {
                    data = srcRas.getDataElements(x, y, data);
                    if (filter) {
                        int nextx, nexty;
                        if ((nextx = x + 1) >= bWidth) {
                            nextx = 0;
                        }
                        if ((nexty = y + 1) >= bHeight) {
                            nexty = 0;
                        }
                        rgbs[0] = colorModel.getRGB(data);
                        data = srcRas.getDataElements(nextx, y, data);
                        rgbs[1] = colorModel.getRGB(data);
                        data = srcRas.getDataElements(x, nexty, data);
                        rgbs[2] = colorModel.getRGB(data);
                        data = srcRas.getDataElements(nextx, nexty, data);
                        rgbs[3] = colorModel.getRGB(data);
                        int rgb =
                            TexturePaintContext.blend(rgbs, xerr, yerr);
                        data = colorModel.getDataElements(rgb, data);
                    }
                    outRas.setDataElements(i, j, data);
                    if ((xerr += colincxerr) < 0) {
                        xerr &= Integer.MAX_VALUE;
                        x++;
                    }
                    if ((x += colincx) >= bWidth) {

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     * a layout and color model
     * that is closest to this native device configuration and thus
     * can be optimally blitted to this device.
     */
    public BufferedImage createCompatibleImage(int width, int height) {
        WritableRaster wr = raster.createCompatibleWritableRaster(width, height);
        return new BufferedImage(model, wr, model.isAlphaPremultiplied(), null);
    }

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