Java Doc for BandSelectDescriptor.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.BandSelectDescriptor

BandSelectDescriptor
public class BandSelectDescriptor extends OperationDescriptorImpl (Code)
An OperationDescriptor describing the "BandSelect" operation.

The BandSelect operation chooses N bands from a rendered or renderable source image and copies the pixel data of these bands to the destination image in the order specified. The bandIndices parameter specifies the source band indices, and its size (bandIndices.length) determines the number of bands of the destination image. The destination image may have ay number of bands, and a particular band of the source image may be repeated in the destination image by specifying it multiple times in the bandIndices parameter.

Each of the bandIndices value should be a valid band index number of the source image. For example, if the source only has two bands, then 1 is a valid band index, but 3 is not. The first band is numbered 0.

The destination pixel values are defined by the pseudocode:

 dst[x][y][b] = src[x][y][bandIndices[b]];
 

Resource List
Name Value
GlobalName BandSelect
LocalName BandSelect
Vendor com.sun.media.jai
Description Selects n number of bands from an image.
DocURL http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/operator/BandSelectDescriptor.html
Version 1.0
arg0Desc The indices of the selected bands.

Parameter List
Name Class Type Default Value
bandIndices int[] NO_PARAMETER_DEFAULT


See Also:   javax.media.jai.OperationDescriptor



Constructor Summary
public  BandSelectDescriptor()
     Constructor.

Method Summary
public static  RenderedOpcreate(RenderedImage source0, int[] bandIndices, RenderingHints hints)
     Selects n number of bands from an image.

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:
  bandIndices - The indices of the selected bands.
Parameters:
  hints - The RenderingHints to use.May be null.

public static  RenderableOpcreateRenderable(RenderableImage source0, int[] bandIndices, RenderingHints hints)
     Selects n number of bands from an image.

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:
  bandIndices - The indices of the selected bands.
Parameters:
  hints - The RenderingHints to use.May be null.

public  booleanvalidateArguments(String modeName, ParameterBlock args, StringBuffer message)
     Validates the input source and parameters.


Constructor Detail
BandSelectDescriptor
public BandSelectDescriptor()(Code)
Constructor.




Method Detail
create
public static RenderedOp create(RenderedImage source0, int[] bandIndices, RenderingHints hints)(Code)
Selects n number of bands from an image.

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:
  bandIndices - The indices of the selected bands.
Parameters:
  hints - The RenderingHints to use.May be null. The RenderedOp destination.
throws:
  IllegalArgumentException - if source0 is null.
throws:
  IllegalArgumentException - if bandIndices is null.




createRenderable
public static RenderableOp createRenderable(RenderableImage source0, int[] bandIndices, RenderingHints hints)(Code)
Selects n number of bands from an image.

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:
  bandIndices - The indices of the selected bands.
Parameters:
  hints - The RenderingHints to use.May be null. The RenderableOp destination.
throws:
  IllegalArgumentException - if source0 is null.
throws:
  IllegalArgumentException - if bandIndices is null.




validateArguments
public boolean validateArguments(String modeName, ParameterBlock args, StringBuffer message)(Code)
Validates the input source and parameters.

In addition to the standard checks performed by the superclass method, this method checks that "bandIndices" has a length of at least 1 and does not contain any values less than 0 or greater than the number of source bands minus 1.




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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