src/main/java/org/apache/xmlgraphics/image/GraphicsUtil.java [1050:1074]:
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        ComponentSampleModel csm;
        csm = (ComponentSampleModel)wr.getSampleModel();

        final int width = wr.getWidth();

        final int scanStride = csm.getScanlineStride();
        final int pixStride  = csm.getPixelStride();
        final int [] bandOff = csm.getBandOffsets();

        DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
        final int base
            = (db.getOffset()
               + csm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
                             wr.getMinY() - wr.getSampleModelTranslateY()));

        int aOff = bandOff[bandOff.length - 1];
        int bands = bandOff.length - 1;

        // Access the pixel data array
        final byte[] pixels = db.getBankData()[0];
        for (int y = 0; y < wr.getHeight(); y++) {
            int sp = base + y * scanStride;
            final int end = sp + width * pixStride;
            while (sp < end) {
              int a = pixels[sp + aOff] & 0xFF;
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src/main/java/org/apache/xmlgraphics/image/GraphicsUtil.java [1094:1119]:
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        ComponentSampleModel csm;
        csm = (ComponentSampleModel)wr.getSampleModel();

        final int width = wr.getWidth();

        final int scanStride = csm.getScanlineStride();
        final int pixStride  = csm.getPixelStride();
        final int [] bandOff = csm.getBandOffsets();

        DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
        final int base
            = (db.getOffset()
               + csm.getOffset(wr.getMinX() - wr.getSampleModelTranslateX(),
                             wr.getMinY() - wr.getSampleModelTranslateY()));


        int aOff = bandOff[bandOff.length - 1];
        int bands = bandOff.length - 1;

        // Access the pixel data array
        final byte[] pixels = db.getBankData()[0];
        for (int y = 0; y < wr.getHeight(); y++) {
            int sp = base + y * scanStride;
            final int end = sp + width * pixStride;
            while (sp < end) {
              int a = pixels[sp + aOff] & 0xFF;
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