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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) 


javax.media.jai.ScaleOpImage
   com.sun.media.jai.opimage.ScaleNearestOpImage

ScaleNearestOpImage
final class ScaleNearestOpImage extends ScaleOpImage (Code)
An OpImage subclass that performs nearest-neighbor scaling.


Field Summary
 longinvScaleXIntinvScaleXFrac
    
 longinvScaleYIntinvScaleYFrac
    

Constructor Summary
public  ScaleNearestOpImage(RenderedImage source, BorderExtender extender, Map config, ImageLayout layout, float xScale, float yScale, float xTrans, float yTrans, Interpolation interp)
    

Method Summary
protected  voidcomputeRect(Raster[] sources, WritableRaster dest, Rectangle destRect)
     Performs a scale operation on a specified rectangle.

Field Detail
invScaleXIntinvScaleXFrac
long invScaleXIntinvScaleXFrac(Code)



invScaleYIntinvScaleYFrac
long invScaleYIntinvScaleYFrac(Code)




Constructor Detail
ScaleNearestOpImage
public ScaleNearestOpImage(RenderedImage source, BorderExtender extender, Map config, ImageLayout layout, float xScale, float yScale, float xTrans, float yTrans, Interpolation interp)(Code)
Constructs a ScaleNearestOpImage from a RenderedImage source,
Parameters:
  source - a RenderedImage.
Parameters:
  layout - an ImageLayout optionally containing the tile grid layout,SampleModel, and ColorModel, or null.
Parameters:
  xScale - scale factor along x axis.
Parameters:
  yScale - scale factor along y axis.
Parameters:
  xTrans - translation factor along x axis.
Parameters:
  yTrans - translation factor along y axis.
Parameters:
  interp - an Interpolation object to use for resampling.




Method Detail
computeRect
protected void computeRect(Raster[] sources, WritableRaster dest, Rectangle destRect)(Code)
Performs a scale operation on a specified rectangle. The sources are cobbled.
Parameters:
  sources - an array of source Rasters, guaranteed to provide allnecessary source data for computing the output.
Parameters:
  dest - a WritableRaster containing the area to be computed.
Parameters:
  destRect - the rectangle within dest to be processed.



Fields inherited from javax.media.jai.ScaleOpImage
protected long invScaleXRationalNuminvScaleXRationalDenom(Code)(Java Doc)
protected Rational invScaleXRationalinvScaleYRational(Code)(Java Doc)
protected long invScaleYRationalNuminvScaleYRationalDenom(Code)(Java Doc)
protected static float rationalTolerance(Code)(Java Doc)
protected float scaleX(Code)(Java Doc)
protected long scaleXRationalNumscaleXRationalDenom(Code)(Java Doc)
protected Rational scaleXRationalscaleYRational(Code)(Java Doc)
protected float scaleY(Code)(Java Doc)
protected long scaleYRationalNumscaleYRationalDenom(Code)(Java Doc)
protected float transX(Code)(Java Doc)
protected long transXRationalNumtransXRationalDenom(Code)(Java Doc)
protected Rational transXRationaltransYRational(Code)(Java Doc)
protected float transY(Code)(Java Doc)
protected long transYRationalNumtransYRationalDenom(Code)(Java Doc)

Methods inherited from javax.media.jai.ScaleOpImage
protected Rectangle backwardMapRect(Rectangle destRect, int sourceIndex)(Code)(Java Doc)
public Raster computeTile(int tileX, int tileY)(Code)(Java Doc)
protected Rectangle forwardMapRect(Rectangle sourceRect, int sourceIndex)(Code)(Java Doc)
public int getBottomPadding()(Code)(Java Doc)
public int getLeftPadding()(Code)(Java Doc)
public int getRightPadding()(Code)(Java Doc)
public int getTopPadding()(Code)(Java Doc)
public Point2D mapDestPoint(Point2D destPt, int sourceIndex)(Code)(Java Doc)
public Point2D mapSourcePoint(Point2D sourcePt, int sourceIndex)(Code)(Java Doc)

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