batik-codec/src/main/java/org/apache/batik/ext/awt/image/codec/png/PNGImageDecoder.java [1056:1085]:
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    private void parse_cHRM_chunk(PNGChunk chunk) {
        // If an sRGB chunk exists, ignore cHRM chunks
        if (sRGBRenderingIntent != -1) {
            return;
        }

        chromaticity = new float[8];
        chromaticity[0] = chunk.getInt4(0)/100000.0F;
        chromaticity[1] = chunk.getInt4(4)/100000.0F;
        chromaticity[2] = chunk.getInt4(8)/100000.0F;
        chromaticity[3] = chunk.getInt4(12)/100000.0F;
        chromaticity[4] = chunk.getInt4(16)/100000.0F;
        chromaticity[5] = chunk.getInt4(20)/100000.0F;
        chromaticity[6] = chunk.getInt4(24)/100000.0F;
        chromaticity[7] = chunk.getInt4(28)/100000.0F;

        if (encodeParam != null) {
            encodeParam.setChromaticity(chromaticity);
        }
        if (emitProperties) {
            properties.put("white_point_x", chromaticity[0]);
            properties.put("white_point_y", chromaticity[1]);
            properties.put("red_x", chromaticity[2]);
            properties.put("red_y", chromaticity[3]);
            properties.put("green_x", chromaticity[4]);
            properties.put("green_y", chromaticity[5]);
            properties.put("blue_x", chromaticity[6]);
            properties.put("blue_y", chromaticity[7]);
        }
    }
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batik-codec/src/main/java/org/apache/batik/ext/awt/image/codec/png/PNGRed.java [1067:1096]:
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    private void parse_cHRM_chunk(PNGChunk chunk) {
        // If an sRGB chunk exists, ignore cHRM chunks
        if (sRGBRenderingIntent != -1) {
            return;
        }

        chromaticity = new float[8];
        chromaticity[0] = chunk.getInt4(0)/100000.0F;
        chromaticity[1] = chunk.getInt4(4)/100000.0F;
        chromaticity[2] = chunk.getInt4(8)/100000.0F;
        chromaticity[3] = chunk.getInt4(12)/100000.0F;
        chromaticity[4] = chunk.getInt4(16)/100000.0F;
        chromaticity[5] = chunk.getInt4(20)/100000.0F;
        chromaticity[6] = chunk.getInt4(24)/100000.0F;
        chromaticity[7] = chunk.getInt4(28)/100000.0F;

        if (encodeParam != null) {
            encodeParam.setChromaticity(chromaticity);
        }
        if (emitProperties) {
            properties.put("white_point_x", chromaticity[0]);
            properties.put("white_point_y", chromaticity[1]);
            properties.put("red_x", chromaticity[2]);
            properties.put("red_y", chromaticity[3]);
            properties.put("green_x", chromaticity[4]);
            properties.put("green_y", chromaticity[5]);
            properties.put("blue_x", chromaticity[6]);
            properties.put("blue_y", chromaticity[7]);
        }
    }
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