Package org.apache.pdfbox.filter.ccitt

Examples of org.apache.pdfbox.filter.ccitt.TIFFFaxDecoder


        // decompress data
        int k = decodeParms.getInt(COSName.K, 0);
        boolean encodedByteAlign = decodeParms.getBoolean(COSName.ENCODED_BYTE_ALIGN, false);
        int arraySize = (cols + 7) / 8 * rows;
        TIFFFaxDecoder faxDecoder = new TIFFFaxDecoder(1, cols, rows);
        // TODO possible options??
        long tiffOptions = 0;
        byte[] compressed = IOUtils.toByteArray(encoded);
        byte[] decompressed = null;
        if (k == 0)
        {
            InputStream in = new CCITTFaxG31DDecodeInputStream(
                    new ByteArrayInputStream(compressed), cols, encodedByteAlign);
            in = new FillOrderChangeInputStream(in); //Decorate to change fill order
            decompressed = IOUtils.toByteArray(in);
            in.close();
        }
        else if (k > 0)
        {
            decompressed = new byte[arraySize];
            faxDecoder.decode2D(decompressed, compressed, 0, rows, tiffOptions);
        }
        else if (k < 0)
        {
            decompressed = new byte[arraySize];
            faxDecoder.decodeT6(decompressed, compressed, 0, rows, tiffOptions, encodedByteAlign);
        }

        // invert bitmap
        boolean blackIsOne = decodeParms.getBoolean(COSName.BLACK_IS_1, false);
        if (!blackIsOne)
View Full Code Here

TOP

Related Classes of org.apache.pdfbox.filter.ccitt.TIFFFaxDecoder

Copyright © 2018 www.massapicom. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.