src/main/java/org/apache/xmlgraphics/image/codec/png/PNGImageDecoder.java [725:742]:
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        int bytesPerRow = (outputBands * width * depth + 7) / 8;
        int scanlineStride =
            (depth == 16) ? (bytesPerRow / 2) : bytesPerRow;

        theTile = createRaster(width, height, outputBands,
                               scanlineStride,
                               depth);

        if (performGammaCorrection && (gammaLut == null)) {
            initGammaLut(bitDepth);
        }
        if ((postProcess == POST_GRAY_LUT)
            || (postProcess == POST_GRAY_LUT_ADD_TRANS)
            || (postProcess == POST_GRAY_LUT_ADD_TRANS_EXP)) {
            initGrayLut(bitDepth);
        }

        decodeImage(interlaceMethod == 1);
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src/main/java/org/apache/xmlgraphics/image/codec/png/PNGRed.java [770:787]:
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        int bytesPerRow = (outputBands * width * depth + 7) / 8;
        int scanlineStride =
            (depth == 16) ? (bytesPerRow / 2) : bytesPerRow;

        theTile = createRaster(width, height, outputBands,
                               scanlineStride,
                               depth);

        if (performGammaCorrection && (gammaLut == null)) {
            initGammaLut(bitDepth);
        }
        if ((postProcess == POST_GRAY_LUT)
            || (postProcess == POST_GRAY_LUT_ADD_TRANS)
            || (postProcess == POST_GRAY_LUT_ADD_TRANS_EXP)) {
            initGrayLut(bitDepth);
        }

        decodeImage(interlaceMethod == 1);
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