Class WebPChunkVp8

java.lang.Object

org.apache.commons.imaging.common.BinaryFileParser

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

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

Fields

Modifier and Type	Field	Description
private final int	height
private final int	horizontalScale
private final int	versionNumber
private final int	verticalScale
private final int	width

Fields inherited from class AbstractWebPChunk

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 AbstractWebPChunk

getBytes, getChunkSize, getPayloadSize, getType, getTypeDescription

Methods inherited from class BinaryFileParser

debugNumber, debugNumber, getByteOrder, setByteOrder

Methods inherited from class Object

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

Field Details

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 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: 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.

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.