All Implemented Interfaces:


public class WebPWriteParam
extends ImageWriteParam

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description
`public final static Integer`	`LOSSY_COMPRESSION`
`public final static Integer`	`LOSSLESS_COMPRESSION`
`public final static Integer`	`PREPROCESSING_FILTER_NONE`
`public final static Integer`	`PREPROCESSING_FILTER_SEGMENT_SMOOTH`
`public final static Integer`	`PREPROCESSING_FILTER_PSEUDO_RANDOM_DITHERING`
`private CompressionType`	`compressionType`
`private Integer`	`method`
`private Integer`	`targetSize`
`private Float`	`targetPSNR`
`private Integer`	`segments`
`private Integer`	`snsStrength`
`private Integer`	`filterStrength`
`private Integer`	`filterSharpness`
`private Integer`	`filterType`
`private Boolean`	`autoAdjustFilterStrength`
`private Integer`	`alphaCompressionAlgorithm`
`private Integer`	`alphaFiltering`
`private Integer`	`alphaQuality`
`private Integer`	`entropyAnalysisPassCount`
`private Boolean`	`showCompressed`
`private Integer`	`preprocessing`
`private Integer`	`partitions`
`private Integer`	`partitionLimit`
`private Boolean`	`emulateJpegSize`
`private Integer`	`threadLevel`
`private Boolean`	`lowMemory`
`private Integer`	`nearLossless`
`private Boolean`	`exact`
`private Boolean`	`useDeltaPalette`
`private Boolean`	`useSharpYUV`
`private Integer`	`qMin`
`private Integer`	`qMax`

Constructor Summary

Constructors
Constructor	Description
`WebPWriteParam(Locale locale)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`final CompressionType`	`getCompressionType()`
`final Unit`	`setCompressionType(CompressionType compressionType)`
`Integer`	`getMethod()`	quality/speed trade-off (0=fast, 6=slower-better)
`Unit`	`setMethod(Integer method)`	quality/speed trade-off (0=fast, 6=slower-better)
`Integer`	`getTargetSize()`	if non-zero, set the desired target size in bytes.
`Unit`	`setTargetSize(Integer targetSize)`	if non-zero, set the desired target size in bytes.
`Float`	`getTargetPSNR()`	if non-zero, specifies the minimal distortion to try to achieve.
`Unit`	`setTargetPSNR(Float targetPSNR)`	if non-zero, specifies the minimal distortion to try to achieve.
`Integer`	`getSegments()`	maximum number of segments to use
`Unit`	`setSegments(Integer segments)`	maximum number of segments to use
`Integer`	`getSnsStrength()`	Spatial Noise Shaping.
`Unit`	`setSnsStrength(Integer snsStrength)`	Spatial Noise Shaping.
`Integer`	`getFilterStrength()`	range: 0 = off ..
`Unit`	`setFilterStrength(Integer filterStrength)`	range: 0 = off ..
`Integer`	`getFilterSharpness()`	range: 0 = off ..
`Unit`	`setFilterSharpness(Integer filterSharpness)`	range: 0 = off ..
`Integer`	`getFilterType()`	filtering type: 0 = simple, 1 = strong (only used if filter_strength 0 or autofilter 0)
`Unit`	`setFilterType(Integer filterType)`	filtering type: 0 = simple, 1 = strong (only used if filter_strength 0 or autofilter 0)
`Boolean`	`getAutoAdjustFilterStrength()`	Auto adjust filter's strength
`Unit`	`setAutoAdjustFilterStrength(Boolean autoAdjustFilterStrength)`	Auto adjust filter's strength
`Integer`	`getAlphaCompressionAlgorithm()`	Algorithm for encoding the alpha plane (0 = none, 1 = compressed with WebP lossless).
`Unit`	`setAlphaCompressionAlgorithm(Integer alphaCompressionAlgorithm)`	Algorithm for encoding the alpha plane (0 = none, 1 = compressed with WebP lossless).
`Integer`	`getAlphaFiltering()`	Predictive filtering method for alpha plane.
`Unit`	`setAlphaFiltering(Integer alphaFiltering)`	Predictive filtering method for alpha plane.
`Integer`	`getAlphaQuality()`	0: smallest size, 100: lossless.
`Unit`	`setAlphaQuality(Integer alphaQuality)`	0: smallest size, 100: lossless.
`Integer`	`getEntropyAnalysisPassCount()`	Number of entropy-analysis passes
`Unit`	`setEntropyAnalysisPassCount(Integer entropyAnalysisPassCount)`	Number of entropy-analysis passes
`Boolean`	`getShowCompressed()`	if true, export the compressed picture back.
`Unit`	`setShowCompressed(Boolean showCompressed)`	if true, export the compressed picture back.
`Integer`	`getPreprocessing()`	Preprocessing filter 0=none, 1=segment-smooth, 2=pseudo-random dithering
`Unit`	`setPreprocessing(Integer preprocessing)`	Preprocessing filter 0=none, 1=segment-smooth, 2=pseudo-random dithering
`Integer`	`getPartitions()`	log2(number of token partitions) in 0..
`Unit`	`setPartitions(Integer partitions)`	log2(number of token partitions) in 0..
`Integer`	`getPartitionLimit()`	Quality degradation allowed to fit the 512k limit on prediction modes coding 0: no degradation, 100: maximum possible degradation
`Unit`	`setPartitionLimit(Integer partitionLimit)`	Quality degradation allowed to fit the 512k limit on prediction modes coding 0: no degradation, 100: maximum possible degradation
`Boolean`	`getEmulateJpegSize()`	If true, compression parameters will be remapped to better match the expected output size from JPEG compression.
`Unit`	`setEmulateJpegSize(Boolean emulateJpegSize)`	If true, compression parameters will be remapped to better match the expected output size from JPEG compression.
`Integer`	`getThreadLevel()`	If non-zero, try and use multi-threaded encoding.
`Unit`	`setThreadLevel(Integer threadLevel)`	If non-zero, try and use multi-threaded encoding.
`Boolean`	`getLowMemory()`	If set, reduce memory usage (but increase CPU use).
`Unit`	`setLowMemory(Boolean lowMemory)`	If set, reduce memory usage (but increase CPU use).
`Integer`	`getNearLossless()`	Near lossless encoding 0 = max loss, 100 = off (default)
`Unit`	`setNearLossless(Integer nearLossless)`	Near lossless encoding 0 = max loss, 100 = off (default)
`Boolean`	`getExact()`	If non-zero, preserve the exact RGB values under transparent area.
`Unit`	`setExact(Boolean exact)`	If non-zero, preserve the exact RGB values under transparent area.
`Boolean`	`getUseDeltaPalette()`	reserved for future lossless feature
`Unit`	`setUseDeltaPalette(Boolean useDeltaPalette)`	reserved for future lossless feature
`Boolean`	`getUseSharpYUV()`	if needed, use sharp (and slow) RGB->YUV conversion
`Unit`	`setUseSharpYUV(Boolean useSharpYUV)`	if needed, use sharp (and slow) RGB->YUV conversion
`Integer`	`getQMin()`	minimum permissible quality factor
`Unit`	`setQMin(Integer qMin)`	minimum permissible quality factor
`Integer`	`getQMax()`	maximum permissible quality factor
`Unit`	`setQMax(Integer qMax)`	maximum permissible quality factor
`Float`	`getCompressionQuality()`
`Unit`	`setCompressionQuality(Float quality)`	For lossy, 0f gives the smallest size and 1f the largest.
`Unit`	`setCompressionType(String compressionType)`
`Unit`	`unsetCompression()`

Methods inherited from class javax.imageio.IIOParam
activateController, getController, getDefaultController, getDestinationOffset, getDestinationType, getSourceBands, getSourceRegion, getSourceXSubsampling, getSourceYSubsampling, getSubsamplingXOffset, getSubsamplingYOffset, hasController, setController, setDestinationOffset, setDestinationType, setSourceBands, setSourceRegion, setSourceSubsampling
Methods inherited from class javax.imageio.ImageWriteParam
canOffsetTiles, canWriteCompressed, canWriteProgressive, canWriteTiles, getBitRate, getCompressionMode, getCompressionQualityDescriptions, getCompressionQualityValues, getCompressionType, getCompressionTypes, getLocale, getLocalizedCompressionTypeName, getPreferredTileSizes, getProgressiveMode, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileWidth, getTilingMode, isCompressionLossless, setCompressionMode, setProgressiveMode, setTiling, setTilingMode, unsetTiling
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - WebPWriteParam
```
WebPWriteParam(Locale locale)
```
- Method Detail
  - getCompressionType
```
 final CompressionType getCompressionType()
```
  - setCompressionType
```
 final Unit setCompressionType(CompressionType compressionType)
```
  - getMethod
```
 Integer getMethod()
```
    quality/speed trade-off (0=fast, 6=slower-better)
  - setMethod
```
 Unit setMethod(Integer method)
```
    quality/speed trade-off (0=fast, 6=slower-better)
  - getTargetSize
```
 Integer getTargetSize()
```
    if non-zero, set the desired target size in bytes. Takes precedence over the @.setCompressionQuality parameter.
  - setTargetSize
```
 Unit setTargetSize(Integer targetSize)
```
    if non-zero, set the desired target size in bytes. Takes precedence over the @.setCompressionQuality parameter.
  - getTargetPSNR
```
 Float getTargetPSNR()
```
    if non-zero, specifies the minimal distortion to try to achieve. Takes precedence over .setTargetSize.
  - setTargetPSNR
```
 Unit setTargetPSNR(Float targetPSNR)
```
    if non-zero, specifies the minimal distortion to try to achieve. Takes precedence over .setTargetSize.
  - getSegments
```
 Integer getSegments()
```
    maximum number of segments to use
  - setSegments
```
 Unit setSegments(Integer segments)
```
    maximum number of segments to use
  - getSnsStrength
```
 Integer getSnsStrength()
```
    Spatial Noise Shaping. 0=off, 100=maximum.
  - setSnsStrength
```
 Unit setSnsStrength(Integer snsStrength)
```
    Spatial Noise Shaping. 0=off, 100=maximum.
  - getFilterStrength
```
 Integer getFilterStrength()
```
    range: 0 = off .. 100 = strongest
  - setFilterStrength
```
 Unit setFilterStrength(Integer filterStrength)
```
    range: 0 = off .. 100 = strongest
  - getFilterSharpness
```
 Integer getFilterSharpness()
```
    range: 0 = off .. 7 = least sharp
  - setFilterSharpness
```
 Unit setFilterSharpness(Integer filterSharpness)
```
    range: 0 = off .. 7 = least sharp
  - getFilterType
```
 Integer getFilterType()
```
    filtering type: 0 = simple, 1 = strong (only used if filter_strength 0 or autofilter 0)
  - setFilterType
```
 Unit setFilterType(Integer filterType)
```
    filtering type: 0 = simple, 1 = strong (only used if filter_strength 0 or autofilter 0)
  - getAutoAdjustFilterStrength
```
 Boolean getAutoAdjustFilterStrength()
```
    Auto adjust filter's strength
  - setAutoAdjustFilterStrength
```
 Unit setAutoAdjustFilterStrength(Boolean autoAdjustFilterStrength)
```
    Auto adjust filter's strength
  - getAlphaCompressionAlgorithm
```
 Integer getAlphaCompressionAlgorithm()
```
    Algorithm for encoding the alpha plane (0 = none, 1 = compressed with WebP lossless). Default is 1.
  - setAlphaCompressionAlgorithm
```
 Unit setAlphaCompressionAlgorithm(Integer alphaCompressionAlgorithm)
```
    Algorithm for encoding the alpha plane (0 = none, 1 = compressed with WebP lossless). Default is 1.
  - getAlphaFiltering
```
 Integer getAlphaFiltering()
```
    Predictive filtering method for alpha plane. 0: none, 1: fast, 2: best. Default if 1.
  - setAlphaFiltering
```
 Unit setAlphaFiltering(Integer alphaFiltering)
```
    Predictive filtering method for alpha plane. 0: none, 1: fast, 2: best. Default if 1.
  - getAlphaQuality
```
 Integer getAlphaQuality()
```
    0: smallest size, 100: lossless. Default is 100.
  - setAlphaQuality
```
 Unit setAlphaQuality(Integer alphaQuality)
```
    0: smallest size, 100: lossless. Default is 100.
  - getEntropyAnalysisPassCount
```
 Integer getEntropyAnalysisPassCount()
```
    Number of entropy-analysis passes
  - setEntropyAnalysisPassCount
```
 Unit setEntropyAnalysisPassCount(Integer entropyAnalysisPassCount)
```
    Number of entropy-analysis passes
  - getShowCompressed
```
 Boolean getShowCompressed()
```
    if true, export the compressed picture back. In-loop filtering is not applied.
  - setShowCompressed
```
 Unit setShowCompressed(Boolean showCompressed)
```
    if true, export the compressed picture back. In-loop filtering is not applied.
  - getPreprocessing
```
 Integer getPreprocessing()
```
    Preprocessing filter 0=none, 1=segment-smooth, 2=pseudo-random dithering
  - setPreprocessing
```
 Unit setPreprocessing(Integer preprocessing)
```
    Preprocessing filter 0=none, 1=segment-smooth, 2=pseudo-random dithering
  - getPartitions
```
 Integer getPartitions()
```
    log2(number of token partitions) in 0..3. Default is set to 0 for easier progressive decoding.
  - setPartitions
```
 Unit setPartitions(Integer partitions)
```
    log2(number of token partitions) in 0..3. Default is set to 0 for easier progressive decoding.
  - getPartitionLimit
```
 Integer getPartitionLimit()
```
    Quality degradation allowed to fit the 512k limit on prediction modes coding 0: no degradation, 100: maximum possible degradation
  - setPartitionLimit
```
 Unit setPartitionLimit(Integer partitionLimit)
```
    Quality degradation allowed to fit the 512k limit on prediction modes coding 0: no degradation, 100: maximum possible degradation
  - getEmulateJpegSize
```
 Boolean getEmulateJpegSize()
```
    If true, compression parameters will be remapped to better match the expected output size from JPEG compression. Generally, the output size will be similar but the degradation will be lower.
  - setEmulateJpegSize
```
 Unit setEmulateJpegSize(Boolean emulateJpegSize)
```
    If true, compression parameters will be remapped to better match the expected output size from JPEG compression. Generally, the output size will be similar but the degradation will be lower.
  - getThreadLevel
```
 Integer getThreadLevel()
```
    If non-zero, try and use multi-threaded encoding.
  - setThreadLevel
```
 Unit setThreadLevel(Integer threadLevel)
```
    If non-zero, try and use multi-threaded encoding.
  - getLowMemory
```
 Boolean getLowMemory()
```
    If set, reduce memory usage (but increase CPU use).
  - setLowMemory
```
 Unit setLowMemory(Boolean lowMemory)
```
    If set, reduce memory usage (but increase CPU use).
  - getNearLossless
```
 Integer getNearLossless()
```
    Near lossless encoding 0 = max loss, 100 = off (default)
  - setNearLossless
```
 Unit setNearLossless(Integer nearLossless)
```
    Near lossless encoding 0 = max loss, 100 = off (default)
  - getExact
```
 Boolean getExact()
```
    If non-zero, preserve the exact RGB values under transparent area. Otherwise, discard this invisible RGB information for better compression. The default value is false.
  - setExact
```
 Unit setExact(Boolean exact)
```
    If non-zero, preserve the exact RGB values under transparent area. Otherwise, discard this invisible RGB information for better compression. The default value is false.
  - getUseDeltaPalette
```
 Boolean getUseDeltaPalette()
```
    reserved for future lossless feature
  - setUseDeltaPalette
```
 Unit setUseDeltaPalette(Boolean useDeltaPalette)
```
    reserved for future lossless feature
  - getUseSharpYUV
```
 Boolean getUseSharpYUV()
```
    if needed, use sharp (and slow) RGB->YUV conversion
  - setUseSharpYUV
```
 Unit setUseSharpYUV(Boolean useSharpYUV)
```
    if needed, use sharp (and slow) RGB->YUV conversion
  - getQMin
```
 Integer getQMin()
```
    minimum permissible quality factor
  - setQMin
```
 Unit setQMin(Integer qMin)
```
    minimum permissible quality factor
  - getQMax
```
 Integer getQMax()
```
    maximum permissible quality factor
  - setQMax
```
 Unit setQMax(Integer qMax)
```
    maximum permissible quality factor
  - getCompressionQuality
```
 Float getCompressionQuality()
```
  - setCompressionQuality
```
 Unit setCompressionQuality(Float quality)
```
    For lossy, 0f gives the smallest size and 1f the largest. For lossless, this parameter is the amount of effort put into the compression: 0f is the fastest but gives larger files compared to the slowest, but best, 1f.
  - setCompressionType
```
 Unit setCompressionType(String compressionType)
```
  - unsetCompression
```
 Unit unsetCompression()
```

Class WebPWriteParam

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class javax.imageio.IIOParam

Methods inherited from class javax.imageio.ImageWriteParam

Methods inherited from class java.lang.Object

Constructor Detail

WebPWriteParam

Method Detail

getCompressionType

setCompressionType

getMethod

setMethod

getTargetSize

setTargetSize

getTargetPSNR

setTargetPSNR

getSegments

setSegments

getSnsStrength

setSnsStrength

getFilterStrength

setFilterStrength

getFilterSharpness

setFilterSharpness

getFilterType

setFilterType

getAutoAdjustFilterStrength

setAutoAdjustFilterStrength

getAlphaCompressionAlgorithm

setAlphaCompressionAlgorithm

getAlphaFiltering

setAlphaFiltering

getAlphaQuality

setAlphaQuality

getEntropyAnalysisPassCount

setEntropyAnalysisPassCount

getShowCompressed

setShowCompressed

getPreprocessing

setPreprocessing

getPartitions

setPartitions

getPartitionLimit

setPartitionLimit

getEmulateJpegSize

setEmulateJpegSize

getThreadLevel

setThreadLevel

getLowMemory

setLowMemory

getNearLossless

setNearLossless

getExact

setExact

getUseDeltaPalette

setUseDeltaPalette

getUseSharpYUV

setUseSharpYUV

getQMin

setQMin

getQMax

setQMax

getCompressionQuality

setCompressionQuality

setCompressionType

unsetCompression