Package javax.imageio.stream

Examples of javax.imageio.stream.MemoryCacheImageOutputStream.writeBits()

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                    codeTable.add(inputPattern);

                    if (codeTable.size() == 4096)
                    {
                        // code table is full
                        out.writeBits(CLEAR_TABLE, chunk);
                        chunk = 9;
                        codeTable = createCodeTable();
                    }

                    inputPattern = new byte[]
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            }
        }
        if (foundCode != -1)
        {
            chunk = calculateChunk(codeTable.size() - 1);
            out.writeBits(foundCode, chunk);
        }

        // PPDFBOX-1977: the decoder wouldn't know that the encoder would output
        // an EOD as code, so he would have increased his own code table and
        // possibly adjusted the chunk. Therefore, the encoder must behave as
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        ArrayList<byte[]> codeTable = createCodeTable();
        int chunk = 9;

        byte[] inputPattern = null;
        MemoryCacheImageOutputStream out = new MemoryCacheImageOutputStream(result);
        out.writeBits(CLEAR_TABLE, chunk);
        int foundCode = -1;
        int r;
        while ((r = rawData.read()) != -1)
        {
            byte by = (byte) r;
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                int newFoundCode = findPatternCode(codeTable, inputPattern);
                if (newFoundCode == -1)
                {
                    // use previous
                    chunk = calculateChunk(codeTable.size() - 1, 1);
                    out.writeBits(foundCode, chunk);
                    // create new table entry
                    codeTable.add(inputPattern);

                    if (codeTable.size() == 4096)
                    {
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                    codeTable.add(inputPattern);

                    if (codeTable.size() == 4096)
                    {
                        // code table is full
                        out.writeBits(CLEAR_TABLE, chunk);
                        chunk = 9;
                        codeTable = createCodeTable();
                    }

                    inputPattern = new byte[]
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            }
        }
        if (foundCode != -1)
        {
            chunk = calculateChunk(codeTable.size() - 1, 1);
            out.writeBits(foundCode, chunk);
        }

        // PPDFBOX-1977: the decoder wouldn't know that the encoder would output
        // an EOD as code, so he would have increased his own code table and
        // possibly adjusted the chunk. Therefore, the encoder must behave as
View Full Code Here
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        // possibly adjusted the chunk. Therefore, the encoder must behave as
        // if the code table had just grown and thus it must be checked it is
        // needed to adjust the chunk, based on an increased table size parameter
        chunk = calculateChunk(codeTable.size(), 1);

        out.writeBits(EOD, chunk);
        out.writeBits(0, 7); // pad with 0
        out.flush(); // must do or file will be empty :-(
    }

    /**
 
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        // if the code table had just grown and thus it must be checked it is
        // needed to adjust the chunk, based on an increased table size parameter
        chunk = calculateChunk(codeTable.size(), 1);

        out.writeBits(EOD, chunk);
        out.writeBits(0, 7); // pad with 0
        out.flush(); // must do or file will be empty :-(
    }

    /**
     * Find the longest matching pattern in the code table.
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