| 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 |
| DivideComplexDescriptor | | public DivideComplexDescriptor()(Code) | | Constructor.
|
| 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.
|
| 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)
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