Class TIFFPackBitsCompressor

java.lang.Object
com.github.jaiimageio.plugins.tiff.TIFFCompressor
com.github.jaiimageio.impl.plugins.tiff.TIFFPackBitsCompressor

public class TIFFPackBitsCompressor extends TIFFCompressor
  • Constructor Details

    • TIFFPackBitsCompressor

      public TIFFPackBitsCompressor()
  • Method Details

    • packBits

      private static int packBits(byte[] input, int inOffset, int inCount, byte[] output, int outOffset)
      Performs PackBits compression for a single buffer of data. This should be called for each row of each tile. The returned value is the offset into the output buffer after compression.
    • encode

      public int encode(byte[] b, int off, int width, int height, int[] bitsPerSample, int scanlineStride) throws IOException
      Description copied from class: TIFFCompressor
      Encodes the supplied image data, writing to the currently set ImageOutputStream.
      Specified by:
      encode in class TIFFCompressor
      Parameters:
      b - an array of bytes containing the packed but uncompressed image data.
      off - the starting offset of the data to be written in the array b.
      width - the width of the rectangle of pixels to be written.
      height - the height of the rectangle of pixels to be written.
      bitsPerSample - an array of ints indicting the number of bits used to represent each image sample within a pixel.
      scanlineStride - the number of bytes separating each row of the input data.
      Returns:
      the number of bytes written.
      Throws:
      IOException - if the supplied data cannot be encoded by this TIFFCompressor, or if any I/O error occurs during writing.