TileCompressor

java.lang.Object
- nom.tam.image.tile.operation.AbstractTileOperation
- - nom.tam.image.compression.tile.TileCompressionOperation
  - - nom.tam.image.compression.tile.TileCompressor

All Implemented Interfaces:: java.lang.Runnable, ITileOperation

public class TileCompressor
extends TileCompressionOperation

Field Summary

Fields
Modifier and Type Field Description

private boolean forceNoLoss

private NullPixelMaskPreserver nullPixelMaskPerserver
- Fields inherited from class nom.tam.image.compression.tile.TileCompressionOperation
  compressedData, compressedOffset, compressionType, tileOptions

Constructor Summary

Constructors
Modifier Constructor Description

protected TileCompressor(TiledImageCompressionOperation array, int tileIndex, TileArea area)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`private void`	`compactCompressedData()`	lets close the gaps in the data as soon as the previous tiles are also compressed.
`private void`	`compress()`
`protected NullPixelMaskPreserver`	`createImageNullPixelMask(ImageNullPixelMask imageNullPixelMask)`
`protected void`	`forceNoLoss(boolean value)`	should the data of this tile be forced to case no data loss.
`private void`	`replaceCompressedBufferWithTargetArea(java.nio.ByteBuffer compressedWholeArea)`
`void`	`run()`

Methods inherited from class nom.tam.image.compression.tile.TileCompressionOperation
getCompressedData, getCompressedWholeArea, getCompressionType, getCompressorControl, getGzipCompressorControl, initTileOptions, setCompressed, setCompressedOffset, setDimensions, setWholeImageCompressedBuffer, toString

Methods inherited from class nom.tam.image.tile.operation.AbstractTileOperation
execute, getArea, getBaseType, getPixelSize, getPreviousTileOperation, getTileBuffer, getTiledImageOperation, getTileIndex, setTileBuffer, setWholeImageBuffer, waitForResult

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface nom.tam.image.tile.operation.ITileOperation
waitForResult

- Field Detail
  - forceNoLoss
```
private boolean forceNoLoss
```
  - nullPixelMaskPerserver
```
private NullPixelMaskPreserver nullPixelMaskPerserver
```
- Constructor Detail
  - TileCompressor
```
protected TileCompressor(TiledImageCompressionOperation array,
                         int tileIndex,
                         TileArea area)
```
- Method Detail
  - run
```
public void run()
```
  - compactCompressedData
```
private void compactCompressedData()
```
    lets close the gaps in the data as soon as the previous tiles are also compressed. the compressed data of the first tile is used to append the complete block.
  - compress
```
private void compress()
```
  - replaceCompressedBufferWithTargetArea
```
private void replaceCompressedBufferWithTargetArea(java.nio.ByteBuffer compressedWholeArea)
```
  - createImageNullPixelMask
```
protected NullPixelMaskPreserver createImageNullPixelMask(ImageNullPixelMask imageNullPixelMask)
```
    Specified by:
    
    createImageNullPixelMask in class TileCompressionOperation
  - forceNoLoss
```
protected void forceNoLoss(boolean value)
```
    Description copied from class: TileCompressionOperation
    
    should the data of this tile be forced to case no data loss. This information is not relevant in all cases that it is ignored by default.
    
    Overrides:
    
    forceNoLoss in class TileCompressionOperation
    
    Parameters:
    
    value - the value to set.