Java Doc for DivideComplexDescriptor.java in  » 6.0-JDK-Modules » Java-Advanced-Imaging » javax » media » jai » operator » 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 » javax.media.jai.operator 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   javax.media.jai.OperationDescriptorImpl
      javax.media.jai.operator.DivideComplexDescriptor

DivideComplexDescriptor
public class DivideComplexDescriptor extends OperationDescriptorImpl (Code)
An OperationDescriptor describing the "DivideComplex" operation.

The "DivideComplex" operation divides two images representing complex data. The source images must each contain an even number of bands with the even-indexed bands (0, 2, ...) representing the real and the odd-indexed bands (1, 3, ...) the imaginary parts of each pixel. The destination image similarly contains an even number of bands with the same interpretation and with contents defined by:

 a = src0[x][y][2*k];
 b = src0[x][y][2*k+1];
 c = src1[x][y][2*k];
 d = src1[x][y][2*k+1];
 dst[x][y][2*k] = (a*c + b*d)/(c^2 + d^2)
 dst[x][y][2*k+1] = (b*c - a*d)/(c^2 + d^2)
 
where 0 <= k < numBands/2. By default, the number of bands of the destination image is the the minimum of the number of bands of the two sources, and the data type is the biggest data type of the sources. However, the number of destination bands can be specified to be M = 2*L through an ImageLayout hint, when one source image has 2 bands and the other has N = 2*K bands where K > 1, with a natural restriction 1 <= L <= K. In such a special case, if the first source has 2 bands its single complex component will be divided by each of the first L complex components of the second source; if the second source has 2 bands its single complex component will divide each of the L complex components of the first source.

If the result of the operation underflows/overflows the minimum/maximum value supported by the destination data type, then it will be clamped to the minimum/maximum value respectively.

"DivideComplex" defines a PropertyGenerator that sets the "COMPLEX" property of the image to java.lang.Boolean.TRUE, which may be retrieved by calling the getProperty() method with "COMPLEX" as the property name.

Resource List
Name Value
GlobalName DivideComplex
LocalName DivideComplex
Vendor com.sun.media.jai
Description Compute the complex quotient of two images.
DocURL http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/operator/DivideComplexDescriptor.html
Version 1.0

No parameters are needed for the "DivideComplex" operation.
See Also:   javax.media.jai.OperationDescriptor




Constructor Summary
public  DivideComplexDescriptor()
     Constructor.

Method Summary
public static  RenderedOpcreate(RenderedImage source0, RenderedImage source1, RenderingHints hints)
     Compute the complex quotient of two images.

Creates a ParameterBlockJAI from all supplied arguments except hints and invokes JAI.create(StringParameterBlockRenderingHints) .
See Also:   JAI
See Also:   ParameterBlockJAI
See Also:   RenderedOp
Parameters:
  source0 - RenderedImage source 0.
Parameters:
  source1 - RenderedImage source 1.
Parameters:
  hints - The RenderingHints to use.May be null.

public static  RenderableOpcreateRenderable(RenderableImage source0, RenderableImage source1, RenderingHints hints)
     Compute the complex quotient of two images.

Creates a ParameterBlockJAI from all supplied arguments except hints and invokes JAI.createRenderable(StringParameterBlockRenderingHints) .
See Also:   JAI
See Also:   ParameterBlockJAI
See Also:   RenderableOp
Parameters:
  source0 - RenderableImage source 0.
Parameters:
  source1 - RenderableImage source 1.
Parameters:
  hints - The RenderingHints to use.May be null.

public  PropertyGenerator[]getPropertyGenerators(String modeName)
     Returns an array of PropertyGenerators implementing property inheritance for the "DivideComplex" operation.
protected  booleanvalidateSources(String modeName, ParameterBlock args, StringBuffer msg)
     Validates the input sources.


Constructor Detail
DivideComplexDescriptor
public DivideComplexDescriptor()(Code)
Constructor.




Method Detail
create
public static RenderedOp create(RenderedImage source0, RenderedImage source1, RenderingHints hints)(Code)
Compute the complex quotient of two images.

Creates a ParameterBlockJAI from all supplied arguments except hints and invokes JAI.create(StringParameterBlockRenderingHints) .
See Also:   JAI
See Also:   ParameterBlockJAI
See Also:   RenderedOp
Parameters:
  source0 - RenderedImage source 0.
Parameters:
  source1 - RenderedImage source 1.
Parameters:
  hints - The RenderingHints to use.May be null. The RenderedOp destination.
throws:
  IllegalArgumentException - if source0 is null.
throws:
  IllegalArgumentException - if source1 is null.




createRenderable
public static RenderableOp createRenderable(RenderableImage source0, RenderableImage source1, RenderingHints hints)(Code)
Compute the complex quotient of two images.

Creates a ParameterBlockJAI from all supplied arguments except hints and invokes JAI.createRenderable(StringParameterBlockRenderingHints) .
See Also:   JAI
See Also:   ParameterBlockJAI
See Also:   RenderableOp
Parameters:
  source0 - RenderableImage source 0.
Parameters:
  source1 - RenderableImage source 1.
Parameters:
  hints - The RenderingHints to use.May be null. The RenderableOp destination.
throws:
  IllegalArgumentException - if source0 is null.
throws:
  IllegalArgumentException - if source1 is null.




getPropertyGenerators
public PropertyGenerator[] getPropertyGenerators(String modeName)(Code)
Returns an array of PropertyGenerators implementing property inheritance for the "DivideComplex" operation. An array of property generators.



validateSources
protected boolean validateSources(String modeName, ParameterBlock args, StringBuffer msg)(Code)
Validates the input sources.

In addition to the standard checks performed by the superclass method, this method checks that both sources have an even number of bands.




Fields inherited from javax.media.jai.OperationDescriptorImpl
final protected String[][] resources(Code)(Java Doc)
final protected String[] sourceNames(Code)(Java Doc)
final protected String[] supportedModes(Code)(Java Doc)

Methods inherited from javax.media.jai.OperationDescriptorImpl
public boolean arePropertiesSupported()(Code)(Java Doc)
protected static Class getDefaultSourceClass(String modeName)(Code)(Java Doc)
public Class getDestClass(String modeName)(Code)(Java Doc)
public Class getDestClass()(Code)(Java Doc)
public Object getInvalidRegion(String modeName, ParameterBlock oldParamBlock, RenderingHints oldHints, ParameterBlock newParamBlock, RenderingHints newHints, OperationNode node)(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public int getNumParameters()(Code)(Java Doc)
public int getNumSources()(Code)(Java Doc)
public Class[] getParamClasses()(Code)(Java Doc)
public Object getParamDefaultValue(int index)(Code)(Java Doc)
public Object[] getParamDefaults()(Code)(Java Doc)
public Number getParamMaxValue(int index)(Code)(Java Doc)
public Number getParamMinValue(int index)(Code)(Java Doc)
public String[] getParamNames()(Code)(Java Doc)
public ParameterListDescriptor getParameterListDescriptor(String modeName)(Code)(Java Doc)
public PropertyGenerator[] getPropertyGenerators(String modeName)(Code)(Java Doc)
public PropertyGenerator[] getPropertyGenerators()(Code)(Java Doc)
public Class getRenderableDestClass()(Code)(Java Doc)
public Class[] getRenderableSourceClasses()(Code)(Java Doc)
public ResourceBundle getResourceBundle(Locale locale)(Code)(Java Doc)
public String[][] getResources(Locale locale)(Code)(Java Doc)
public Class[] getSourceClasses(String modeName)(Code)(Java Doc)
public Class[] getSourceClasses()(Code)(Java Doc)
public String[] getSourceNames()(Code)(Java Doc)
public String[] getSupportedModes()(Code)(Java Doc)
public boolean isImmediate()(Code)(Java Doc)
public boolean isModeSupported(String modeName)(Code)(Java Doc)
public boolean isRenderableSupported()(Code)(Java Doc)
public boolean isRenderedSupported()(Code)(Java Doc)
protected static Class[][] makeDefaultSourceClassList(String[] supportedModes, int numSources)(Code)(Java Doc)
public boolean validateArguments(String modeName, ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
public boolean validateArguments(ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
protected boolean validateParameters(String modeName, ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
protected boolean validateParameters(ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
public boolean validateRenderableArguments(ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
protected boolean validateRenderableSources(ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
protected boolean validateSources(String modeName, ParameterBlock args, StringBuffer msg)(Code)(Java Doc)
protected boolean validateSources(ParameterBlock args, StringBuffer msg)(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)

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