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

Class WebPChunkVp8

java.lang.Object

org.apache.commons.imaging.common.BinaryFileParser

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

org.apache.commons.imaging.formats.webp.chunks.WebPChunkVp8

public final class WebPChunkVp8
extends WebPChunk

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-alpha4

See Also:

• Simple File Format (Lossy)
• VP8 Data Format and Decoding Guide

Field Summary

Fields inherited from class org.apache.commons.imaging.formats.webp.chunks.WebPChunk

bytes

Constructor Summary

Constructors

Constructor	Description
WebPChunkVp8(int type, int size, byte[] bytes)	Create a VP8 chunk.

Method Summary

Modifier and Type	Method	Description
void	dump(PrintWriter pw, int offset)	Print the chunk to the given stream.
int	getHeight()
int	getHorizontalScale()
int	getVersionNumber()
int	getVerticalScale()
int	getWidth()

Methods inherited from class org.apache.commons.imaging.formats.webp.chunks.WebPChunk

getBytes, getChunkSize, getPayloadSize, getType, getTypeDescription

Methods inherited from class org.apache.commons.imaging.common.BinaryFileParser

debugNumber, debugNumber, getByteOrder, setByteOrder

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

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 Details

dump

public void dump(PrintWriter pw,
 int offset)
          throws ImagingException,
IOException

Description copied from class: WebPChunk

Print the chunk to the given stream.

Overrides:

dump in class WebPChunk

Parameters:

pw - a stream to write to.

offset - chunk offset.

Throws:

ImagingException - if the image is invalid.

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.