Package org.apache.commons.imaging.formats.webp.chunks

Class WebPChunkVp8

  • public final class WebPChunkVp8
extends AbstractWebPChunk
    VP8 (bitstream) chunk. 
    
  0                   1                   2                   3
  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |                      ChunkHeader('VP8 ')                      |
 |                                                               |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 :                           VP8 data                            :
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
    Since:
    1.0.0-alpha4
    See Also:
    Simple File Format (Lossy), VP8 Data Format and Decoding Guide

    • Field Detail

      • versionNumber

        private final int versionNumber

      • width

        private final int width

      • height

        private final int height

      • horizontalScale

        private final int horizontalScale

      • verticalScale

        private final int verticalScale

    • Constructor Detail

      • WebPChunkVp8

        public WebPChunkVp8​(int type,
                    int size,
                    byte[] bytes)
             throws ImagingException
        Create a VP8 chunk.
        Parameters:
        type - chunk type.
        size - chunk size.
        bytes - chunk data.
        Throws:
        ImagingException - if the chunk data and the size provided do not match.

    • Method Detail

      • dump

        public void dump​(java.io.PrintWriter pw,
                 int offset)
          throws ImagingException,
                 java.io.IOException
        Description copied from class: AbstractWebPChunk
        Print the chunk to the given stream.
        Overrides:
        dump in class AbstractWebPChunk
        Parameters:
        pw - a stream to write to.
        offset - chunk offset.
        Throws:
        ImagingException - if the image is invalid.
        java.io.IOException - if it fails to write to the given stream.

      • getHeight

        public int getHeight()
        Returns:
        the height.

      • getHorizontalScale

        public int getHorizontalScale()
        Returns:
        the horizontal scale.

      • getVersionNumber

        public int getVersionNumber()
        Returns:
        the version number.

      • getVerticalScale

        public int getVerticalScale()
        Returns:
        the vertical scale.

      • getWidth

        public int getWidth()
        Returns:
        the width.