List of writeBits() Examples

Examples of writeBits()

Examples of com.peterhi.runtime.BitStream.writeBits()

  }
  
  @Test
  public void testToByteArray() throws Exception {
    BitStream bs = new BitStream(2);
    bs.writeBits(BigInteger.valueOf(255), 8);
    bs.writeBits(BigInteger.valueOf(255), 8);
    byte[] data = bs.toByteArray();
    assertEquals(-1, data[0]);
    assertEquals(-1, data[1]);
    bs.readBits(4, true);

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Examples of com.peterhi.runtime.BitStream.writeBits()

  
  @Test
  public void testToByteArray() throws Exception {
    BitStream bs = new BitStream(2);
    bs.writeBits(BigInteger.valueOf(255), 8);
    bs.writeBits(BigInteger.valueOf(255), 8);
    byte[] data = bs.toByteArray();
    assertEquals(-1, data[0]);
    assertEquals(-1, data[1]);
    bs.readBits(4, true);
    data = bs.toByteArray();

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

        ArrayList<byte[]> codeTable = createCodeTable();
        int chunk = 9;


        byte[] inputPattern = null;
        MemoryCacheImageOutputStream out = new MemoryCacheImageOutputStream(encoded);
        out.writeBits(CLEAR_TABLE, chunk);
        int foundCode = -1;
        int r;
        while ((r = rawData.read()) != -1)
        {
            byte by = (byte) r;

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

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

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

            }
        }
        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

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

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

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

            deviceColorSpace = PDDeviceGray.INSTANCE;
            for (int y = 0; y < height; ++y)
            {
                for (int x = 0; x < width; ++x)
                {
                    mcios.writeBits(image.getRGB(x, y) & 0xFF, bpc);
                }
                while (mcios.getBitOffset() != 0)
                {
                    mcios.writeBit(0);
                }

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

        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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