batik-awt-util/src/main/java/org/apache/batik/ext/awt/image/rendered/DisplacementMapRed.java [275:330]:
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                         int [] xTile, int [] xOff,
                         int [] yTile, int [] yOff) {
        final int w      = dst.getWidth();
        final int h      = dst.getHeight();
        final int xStart = maxOffX;
        final int yStart = maxOffY;
        final int xEnd   = xStart+w;
        final int yEnd   = yStart+h;

        // Access the integer buffer for each image.
        DataBufferInt dstDB = (DataBufferInt)dst.getDataBuffer();
        DataBufferInt offDB = (DataBufferInt)off.getDataBuffer();

        // Offset defines where in the stack the real data begin
        SinglePixelPackedSampleModel dstSPPSM, offSPPSM;

        dstSPPSM = (SinglePixelPackedSampleModel)dst.getSampleModel();
        final int dstOff = dstDB.getOffset() +
            dstSPPSM.getOffset(dst.getMinX() - dst.getSampleModelTranslateX(),
                               dst.getMinY() - dst.getSampleModelTranslateY());

        offSPPSM = (SinglePixelPackedSampleModel)off.getSampleModel();
        final int offOff = offDB.getOffset() +
            offSPPSM.getOffset(dst.getMinX() - off.getSampleModelTranslateX(),
                               dst.getMinY() - off.getSampleModelTranslateY());

        // Stride is the distance between two consecutive column elements,
        // in the one-dimention dataBuffer
        final int dstScanStride = dstSPPSM.getScanlineStride();
        final int offScanStride = offSPPSM.getScanlineStride();

        final int dstAdjust = dstScanStride - w;
        final int offAdjust = offScanStride - w;

        // Access the pixel value array
        final int[] dstPixels = dstDB.getBankData()[0];
        final int[] offPixels = offDB.getBankData()[0];

        // Below is the number of shifts for each axis
        // e.g when xChannel is ALPHA, the pixel needs
        // to be shifted 24, RED 16, GREEN 8 and BLUE 0
        final int xShift = xChannel.toInt()*8;
        final int yShift = yChannel.toInt()*8;

        // The pointer of img and dst indicating where the pixel values are
        int dp = dstOff, ip = offOff;

        // Fixed point representation of scale factor.
        final int fpScaleX = (int)((scaleX/255.0)*(1<<15)+0.5);
        final int fpAdjX   = (int)(-127.5*fpScaleX-0.5);
        final int fpScaleY = (int)((scaleY/255.0)*(1<<15)+0.5);
        final int fpAdjY   = (int)(-127.5*fpScaleY-0.5);

        long start = System.currentTimeMillis();

        int pel00, pel01, pel10, pel11, xFrac, yFrac, newPel;
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batik-awt-util/src/main/java/org/apache/batik/ext/awt/image/rendered/DisplacementMapRed.java [460:516]:
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                            int [] xTile, int [] xOff,
                            int [] yTile, int [] yOff) {
        final int w      = dst.getWidth();
        final int h      = dst.getHeight();
        final int xStart = maxOffX;
        final int yStart = maxOffY;
        final int xEnd   = xStart+w;
        final int yEnd   = yStart+h;

        // Access the integer buffer for each image.
        DataBufferInt dstDB = (DataBufferInt)dst.getDataBuffer();
        DataBufferInt offDB = (DataBufferInt)off.getDataBuffer();

        // Offset defines where in the stack the real data begin
        SinglePixelPackedSampleModel dstSPPSM, offSPPSM;

        dstSPPSM = (SinglePixelPackedSampleModel)dst.getSampleModel();
        final int dstOff = dstDB.getOffset() +
            dstSPPSM.getOffset(dst.getMinX() - dst.getSampleModelTranslateX(),
                               dst.getMinY() - dst.getSampleModelTranslateY());

        offSPPSM = (SinglePixelPackedSampleModel)off.getSampleModel();
        final int offOff = offDB.getOffset() +
            offSPPSM.getOffset(dst.getMinX() - off.getSampleModelTranslateX(),
                               dst.getMinY() - off.getSampleModelTranslateY());

        // Stride is the distance between two consecutive column elements,
        // in the one-dimention dataBuffer
        final int dstScanStride = dstSPPSM.getScanlineStride();
        final int offScanStride = offSPPSM.getScanlineStride();

        final int dstAdjust = dstScanStride - w;
        final int offAdjust = offScanStride - w;

        // Access the pixel value array
        final int[] dstPixels = dstDB.getBankData()[0];
        final int[] offPixels = offDB.getBankData()[0];

        // Below is the number of shifts for each axis
        // e.g when xChannel is ALPHA, the pixel needs
        // to be shifted 24, RED 16, GREEN 8 and BLUE 0
        final int xShift = xChannel.toInt()*8;
        final int yShift = yChannel.toInt()*8;

        // The pointer of img and dst indicating where the pixel values are
        int dp = dstOff, ip = offOff;

        // Fixed point representation of scale factor.
        // Fixed point representation of scale factor.
        final int fpScaleX = (int)((scaleX/255.0)*(1<<15)+0.5);
        final int fpAdjX   = (int)(-127.5*fpScaleX-0.5);
        final int fpScaleY = (int)((scaleY/255.0)*(1<<15)+0.5);
        final int fpAdjY   = (int)(-127.5*fpScaleY-0.5);

        long start = System.currentTimeMillis();

        int pel00, pel01, pel10, pel11, xFrac, yFrac, newPel;
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