Java Doc for FCTmediaLib.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.FCT       com.sun.media.jai.mlib.FCTmediaLib FCTmediaLib public class FCTmediaLib extends FCT (Code) The Fast Cosine Transform (FCT) class. This classes calculates the FCT using mediaLib's 1D double precision FFT. since:    EA4 Field Summary protected  double[] imag      Work array for imaginary part. protected  double[] real      Work array for real part. Constructor Summary public   FCTmediaLib(boolean isForwardTransform, int length)      Construct a new FCT object. Method Summary public  void getData(int dataType, Object data, int offset, int stride)      Get data from the internal work data array of the FCT object. Parameters:   dataType - The data type of the source data according toone of the DataBuffer TYPE_* flags. public  void setData(int dataType, Object data, int offset, int stride, int count)      Set the internal work data array of the FCT 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 DCT of a sequence using the FFT algorithm. Field Detail imag protected double[] imag(Code) Work array for imaginary part. real protected double[] real(Code) Work array for real part. Constructor Detail FCTmediaLib public FCTmediaLib(boolean isForwardTransform, int length)(Code) Construct a new FCT object. Parameters:   length - The length of the FCT; must be a positive power of 2. Method Detail getData public void getData(int dataType, Object data, int offset, int stride)(Code) Get data from the internal work data array of the FCT 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:   data - Float or double array of data. Parameters:   offset - Offset into the data array. Parameters:   stride - The data array stride value. setData public void setData(int dataType, Object data, int offset, int stride, int count)(Code) Set the internal work data array of the FCT 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:   data - Float or double array of data. Parameters:   offset - Offset into the data array. Parameters:   stride - The data 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 FCT; must be a positive power of 2. transform public void transform()(Code) Calculate the DCT of a sequence using the FFT algorithm. Fields inherited from com.sun.media.jai.opimage.FCT protected boolean isForwardTransform(Code)(Java Doc) Methods inherited from com.sun.media.jai.opimage.FCT public void getData(int dataType, Object data, int offset, int stride)(Code)(Java Doc) public void setData(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)