Java Doc for FFTmediaLib.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)   java.lang.Object    com.sun.media.jai.opimage.FFT       com.sun.media.jai.mlib.FFTmediaLib FFTmediaLib public class FFTmediaLib extends FFT (Code) The Fast Fourier Transform (FFT) class interface to mediaLib. since:    EA4 Constructor Summary public   FFTmediaLib(boolean negatedExponent, Integer scaleType, int length)      Construct a new FFTmediaLib object. Method Summary public  void getData(int dataType, Object realArg, int offsetReal, int strideReal, Object imagArg, int offsetImag, int strideImag)      Get data from the internal work data arrays of the FFT object. Parameters:   dataType - The data type of the source data according toone of the DataBuffer TYPE_* flags. public  void setLength(int length)      Initialize the length-dependent fields. public  void transform()      Calculate the DFT of a complex sequence using the FFT algorithm. Constructor Detail FFTmediaLib public FFTmediaLib(boolean negatedExponent, Integer scaleType, int length)(Code) Construct a new FFTmediaLib object. Parameters:   negatedExponent - Whether the exponent is negated. Parameters:   scaleType - The type of scaling to be applied. Parameters:   length - The length of the FFT; must be a positive power of 2. Method Detail getData public void getData(int dataType, Object realArg, int offsetReal, int strideReal, Object imagArg, int offsetImag, int strideImag)(Code) Get data from the internal work data arrays of the FFT object. Parameters:   dataType - The data type of the source data according toone of the DataBuffer TYPE_* flags. This should be eitherDataBuffer.TYPE_FLOAT or DataBuffer.TYPE_DOUBLE. Parameters:   realArg - Float or double array of real parts. Parameters:   offsetReal - Offset into the array of real parts. Parameters:   strideReal - The real array stride value. Parameters:   imagArg - Float or double array of imaginary parts. Parameters:   offsetImag - Offset into the array of imaginary parts. Parameters:   strideImag - The imaginary array stride value. Parameters:   count - The number of values to copy. setLength public void setLength(int length)(Code) Initialize the length-dependent fields. Parameters:   length - The length of the FFT; must be a positive power of 2. transform public void transform()(Code) Calculate the DFT of a complex sequence using the FFT algorithm. Fields inherited from com.sun.media.jai.opimage.FFT final public static int SCALING_DIMENSIONS(Code)(Java Doc) final public static int SCALING_NONE(Code)(Java Doc) final public static int SCALING_UNITARY(Code)(Java Doc) protected int exponentSign(Code)(Java Doc) protected double[] imag(Code)(Java Doc) protected int length(Code)(Java Doc) protected boolean lengthIsSet(Code)(Java Doc) protected double[] real(Code)(Java Doc) protected int scaleType(Code)(Java Doc) Methods inherited from com.sun.media.jai.opimage.FFT public void getData(int dataType, Object realArg, int offsetReal, int strideReal, Object imagArg, int offsetImag, int strideImag)(Code)(Java Doc) public void getFCTData(int dataType, Object data, int offset, int stride)(Code)(Java Doc) public void getIFCTData(int dataType, Object data, int offset, int stride)(Code)(Java Doc) public void setData(int dataType, Object realArg, int offsetReal, int strideReal, Object imagArg, int offsetImag, int strideImag, int count)(Code)(Java Doc) public void setFCTData(int dataType, Object data, int offset, int stride, int count)(Code)(Java Doc) public void setIFCTData(int dataType, Object data, int offset, int stride, int count)(Code)(Java Doc) public void setLength(int length)(Code)(Java Doc) public void transform()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)