Java Doc for MlibDFTOpImage.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » com » sun » media » jai » mlib » 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.mlib   Source Cross Reference   Class Diagram   Java Document (Java Doc)   javax.media.jai.UntiledOpImage    com.sun.media.jai.mlib.MlibDFTOpImage MlibDFTOpImage final class MlibDFTOpImage extends UntiledOpImage (Code) An OpImage class that performs a "DFT" and "IDFT" operations. Constructor Summary public   MlibDFTOpImage(RenderedImage source, Map config, ImageLayout layout, EnumeratedParameter dataNature, boolean isForward, EnumeratedParameter scaleType)      Constructs an MlibDFTOpImage. Method Summary protected  void computeImage(Raster[] sources, WritableRaster dest, Rectangle destRect)      Calculate the destination image from the source image. public static  boolean isAcceptableSampleModel(SampleModel sm)      public  Point2D mapDestPoint(Point2D destPt)      Computes the source point corresponding to the supplied point. Parameters:   destPt - the position in destination image coordinatesto map to source image coordinates. public  Point2D mapSourcePoint(Point2D sourcePt)      Computes the destination point corresponding to the supplied point. Constructor Detail MlibDFTOpImage public MlibDFTOpImage(RenderedImage source, Map config, ImageLayout layout, EnumeratedParameter dataNature, boolean isForward, EnumeratedParameter scaleType)(Code) Constructs an MlibDFTOpImage. Parameters:   source - a RenderedImage. Parameters:   layout - an ImageLayout optionally containing the tilegrid layout, SampleModel, and ColorModel, or null. Parameters:   dataNature - the nature of the source/destination data transform(real->complex, etc.). Parameters:   isForward - whether the transform is forward (negative exponent). Parameters:   scaleType - the scaling type of the transform. Method Detail computeImage protected void computeImage(Raster[] sources, WritableRaster dest, Rectangle destRect)(Code) Calculate the destination image from the source image. Parameters:   source - The source Raster; should be the whole image. Parameters:   dest - The destination WritableRaster; should be the whole image. Parameters:   destRect - The destination Rectangle; should equal the destinationimage bounds. isAcceptableSampleModel public static boolean isAcceptableSampleModel(SampleModel sm)(Code) mapDestPoint public Point2D mapDestPoint(Point2D destPt)(Code) Computes the source point corresponding to the supplied point. Parameters:   destPt - the position in destination image coordinatesto map to source image coordinates. null. throws:   IllegalArgumentException - if destPt isnull. since:    JAI 1.1.2 mapSourcePoint public Point2D mapSourcePoint(Point2D sourcePt)(Code) Computes the destination point corresponding to the supplied point. null. throws:   IllegalArgumentException - if sourcePt isnull. since:    JAI 1.1.2 Methods inherited from javax.media.jai.UntiledOpImage abstract protected void computeImage(Raster[] sources, WritableRaster dest, Rectangle destRect)(Code)(Java Doc) public Raster computeTile(int tileX, int tileY)(Code)(Java Doc) public Point[] getTileDependencies(int tileX, int tileY, int sourceIndex)(Code)(Java Doc) public Rectangle mapDestRect(Rectangle destRect, int sourceIndex)(Code)(Java Doc) public Rectangle mapSourceRect(Rectangle sourceRect, int sourceIndex)(Code)(Java Doc)