PngWriterHc (PNGJ 2.1.0 API)

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java.lang.Object
- ar.com.hjg.pngj.PngWriter
- - ar.com.hjg.pngj.PngWriterHc

public class PngWriterHc
extends PngWriter

Pngwriter with High compression EXPERIMENTAL

Field Summary
- Fields inherited from class ar.com.hjg.pngj.PngWriter
  currentChunkGroup, debuginfo, imgInfo, pixelsWriter, rowNum

Constructor Summary

Constructors
Constructor and Description
`PngWriterHc(File file, ImageInfo imgInfo)`
`PngWriterHc(File file, ImageInfo imgInfo, boolean allowoverwrite)`
`PngWriterHc(OutputStream outputStream, ImageInfo imgInfo)`

Method Summary

Methods
Modifier and Type	Method and Description
`protected PixelsWriter`	`createPixelsWriter(ImageInfo imginfo)` Factory method for pixels writer.
`PixelsWriterMultiple`	`getPixelWriterMultiple()`

Methods inherited from class ar.com.hjg.pngj.PngWriter
close, computeCompressionRatio, copyChunksFrom, copyChunksFrom, copyChunksFrom, end, getChunksList, getDebuginfo, getMetadata, getPixelsWriter, queueChunk, setCompLevel, setFilterPreserve, setFilterType, setIdatMaxSize, setShouldCloseStream, writeRow, writeRow, writeRowInt, writeRows

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

- Constructor Detail
  - PngWriterHc
```
public PngWriterHc(File file,
           ImageInfo imgInfo,
           boolean allowoverwrite)
```
  - PngWriterHc
```
public PngWriterHc(File file,
           ImageInfo imgInfo)
```
  - PngWriterHc
```
public PngWriterHc(OutputStream outputStream,
           ImageInfo imgInfo)
```
- Method Detail
  - createPixelsWriter
```
protected PixelsWriter createPixelsWriter(ImageInfo imginfo)
```
    Description copied from class: PngWriter
    
    Factory method for pixels writer. This will be called once at the moment at start writing a set of IDAT chunks (typically once in a normal PNG) This should be overriden if custom filtering strategies are desired. Remember to release this with close()
    
    Overrides:
    
    createPixelsWriter in class PngWriter
    
    Parameters:
    imginfo - Might be different than that of this object (eg: APNG with subimages)
    
    Returns:
    new PixelsWriter. Don't forget to call close() when discarding it
  - getPixelWriterMultiple
```
public PixelsWriterMultiple getPixelWriterMultiple()
```

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