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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.GeometricOpImage    com.sun.media.jai.opimage.SubsampleAverageOpImage All known Subclasses:   com.sun.media.jai.mlib.MlibSubsampleAverageOpImage, SubsampleAverageOpImage public class SubsampleAverageOpImage extends GeometricOpImage (Code) Field Summary protected  int blockX      Horizontal size of an averaging block. protected  int blockY      Vertical size of an averaging block. protected  double scaleX      The horizontal scale factor. protected  double scaleY      The vertical scale factor. protected  int sourceMinX      Source image minimum x coordinate. protected  int sourceMinY      Source image minimum y coordinate. Constructor Summary public   SubsampleAverageOpImage(RenderedImage source, ImageLayout layout, Map config, double scaleX, double scaleY)      Method Summary protected  Rectangle backwardMapRect(Rectangle destRect, int sourceIndex)      protected  void computeRect(Raster[] sources, WritableRaster dest, Rectangle destRect)      Performs a subsampling operation on a specified rectangle. protected  Rectangle forwardMapRect(Rectangle sourceRect, int sourceIndex)      public  Point2D mapDestPoint(Point2D destPt)      public  Point2D mapSourcePoint(Point2D sourcePt)      Field Detail blockX protected int blockX(Code) Horizontal size of an averaging block. blockY protected int blockY(Code) Vertical size of an averaging block. scaleX protected double scaleX(Code) The horizontal scale factor. scaleY protected double scaleY(Code) The vertical scale factor. sourceMinX protected int sourceMinX(Code) Source image minimum x coordinate. sourceMinY protected int sourceMinY(Code) Source image minimum y coordinate. Constructor Detail SubsampleAverageOpImage public SubsampleAverageOpImage(RenderedImage source, ImageLayout layout, Map config, double scaleX, double scaleY)(Code) Method Detail backwardMapRect protected Rectangle backwardMapRect(Rectangle destRect, int sourceIndex)(Code) computeRect protected void computeRect(Raster[] sources, WritableRaster dest, Rectangle destRect)(Code) Performs a subsampling 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. forwardMapRect protected Rectangle forwardMapRect(Rectangle sourceRect, int sourceIndex)(Code) mapDestPoint public Point2D mapDestPoint(Point2D destPt)(Code) mapSourcePoint public Point2D mapSourcePoint(Point2D sourcePt)(Code) Fields inherited from javax.media.jai.GeometricOpImage protected double[] backgroundValues(Code)(Java Doc) protected Rectangle computableBounds(Code)(Java Doc) protected BorderExtender extender(Code)(Java Doc) protected int[] intBackgroundValues(Code)(Java Doc) protected Interpolation interp(Code)(Java Doc) protected boolean setBackground(Code)(Java Doc) Methods inherited from javax.media.jai.GeometricOpImage abstract protected Rectangle backwardMapRect(Rectangle destRect, int sourceIndex)(Code)(Java Doc) public Raster computeTile(int tileX, int tileY)(Code)(Java Doc) abstract protected Rectangle forwardMapRect(Rectangle sourceRect, int sourceIndex)(Code)(Java Doc) public BorderExtender getBorderExtender()(Code)(Java Doc) public Interpolation getInterpolation()(Code)(Java Doc) public Point2D mapDestPoint(Point2D destPt, int sourceIndex)(Code)(Java Doc) public Rectangle mapDestRect(Rectangle destRect, int sourceIndex)(Code)(Java Doc) public Point2D mapSourcePoint(Point2D sourcePt, int sourceIndex)(Code)(Java Doc) public Rectangle mapSourceRect(Rectangle sourceRect, int sourceIndex)(Code)(Java Doc)