Java Doc for MedianCutOpImage.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » com » sun » media » jai » opimage » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » com.sun.media.jai.opimage 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


com.sun.media.jai.opimage.ColorQuantizerOpImage
   com.sun.media.jai.opimage.MedianCutOpImage

MedianCutOpImage
public class MedianCutOpImage extends ColorQuantizerOpImage (Code)
An OpImage implementing the "ColorQuantizer" operation as described in javax.media.jai.operator.ExtremaDescriptor based on the median-cut algorithm.
See Also:   javax.media.jai.operator.ExtremaDescriptor
See Also:   ExtremaCRIF


Field Summary
 HistogramHashhistogram
     The histgram hash.

Constructor Summary
public  MedianCutOpImage(RenderedImage source, Map config, ImageLayout layout, int maxColorNum, int upperBound, ROI roi, int xPeriod, int yPeriod)
     Constructs an MedianCutOpImage.

Method Summary
public  voidmedianCut(int expectedColorNum)
     Applies the Heckbert's median-cut algorithm to partition the color space into maxcubes cubes.
 voidquickSort(int a, int lo0, int hi0, int longDimMask)
    
protected synchronized  voidtrain()
    

Field Detail
histogram
HistogramHash histogram(Code)
The histgram hash.




Constructor Detail
MedianCutOpImage
public MedianCutOpImage(RenderedImage source, Map config, ImageLayout layout, int maxColorNum, int upperBound, ROI roi, int xPeriod, int yPeriod)(Code)
Constructs an MedianCutOpImage.
Parameters:
  source - The source image.




Method Detail
medianCut
public void medianCut(int expectedColorNum)(Code)
Applies the Heckbert's median-cut algorithm to partition the color space into maxcubes cubes. The centroids of each cube are are used to create a color table.



quickSort
void quickSort(int a, int lo0, int hi0, int longDimMask)(Code)



train
protected synchronized void train()(Code)



Fields inherited from com.sun.media.jai.opimage.ColorQuantizerOpImage
protected boolean checkForSkippedTiles(Code)(Java Doc)
protected LookupTableJAI colorMap(Code)(Java Doc)
protected PixelAccessor destPA(Code)(Java Doc)
protected boolean isInitialized(Code)(Java Doc)
protected int maxColorNum(Code)(Java Doc)
protected ROI roi(Code)(Java Doc)
protected PixelAccessor srcPA(Code)(Java Doc)
protected int srcSampleType(Code)(Java Doc)
protected int xPeriod(Code)(Java Doc)
protected int yPeriod(Code)(Java Doc)

Methods inherited from com.sun.media.jai.opimage.ColorQuantizerOpImage
protected void computeRect(Raster[] sources, WritableRaster dest, Rectangle destRect)(Code)(Java Doc)
protected byte findNearestEntry(int r, int g, int b)(Code)(Java Doc)
public ColorModel getColorModel()(Code)(Java Doc)
public Object getProperty(String name)(Code)(Java Doc)
final static int startPosition(int pos, int start, int period)(Code)(Java Doc)
abstract protected void train()(Code)(Java Doc)

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