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java.lang.Objectjavax.media.jai.OperationDescriptorImpl
org.geotools.image.jai.CombineDescriptor
public class CombineDescriptor
The operation descriptor for the Combine
operation. While this descriptor declares
to support 0 RenderedImage
sources, an arbitrary amount of sources can really be
specified. The "0" should be understood as the minimal number of sources required.
Field Summary | |
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static java.lang.String |
OPERATION_NAME
The operation name, which is "org.geotools.Combine". |
Fields inherited from class javax.media.jai.OperationDescriptorImpl |
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resources, sourceNames, supportedModes |
Fields inherited from interface javax.media.jai.OperationDescriptor |
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NO_PARAMETER_DEFAULT |
Constructor Summary | |
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CombineDescriptor()
Constructs the descriptor. |
Method Summary | |
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protected boolean |
validateParameters(java.lang.String modeName,
java.awt.image.renderable.ParameterBlock param,
java.lang.StringBuffer message)
Returns true if the parameters are valids. |
protected boolean |
validateSources(java.lang.String modeName,
java.awt.image.renderable.ParameterBlock param,
java.lang.StringBuffer message)
Returns true if this operation supports the specified mode, and
is capable of handling the given input source(s) for the specified mode. |
Methods inherited from class javax.media.jai.OperationDescriptorImpl |
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arePropertiesSupported, getDefaultSourceClass, getDestClass, getDestClass, getInvalidRegion, getName, getNumParameters, getNumSources, getParamClasses, getParamDefaults, getParamDefaultValue, getParameterListDescriptor, getParamMaxValue, getParamMinValue, getParamNames, getPropertyGenerators, getPropertyGenerators, getRenderableDestClass, getRenderableSourceClasses, getResourceBundle, getResources, getSourceClasses, getSourceClasses, getSourceNames, getSupportedModes, isImmediate, isModeSupported, isRenderableSupported, isRenderedSupported, makeDefaultSourceClassList, validateArguments, validateArguments, validateParameters, validateRenderableArguments, validateRenderableSources, validateSources |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.lang.String OPERATION_NAME
Constructor Detail |
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public CombineDescriptor()
Method Detail |
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protected boolean validateSources(java.lang.String modeName, java.awt.image.renderable.ParameterBlock param, java.lang.StringBuffer message)
true
if this operation supports the specified mode, and
is capable of handling the given input source(s) for the specified mode.
validateSources
in class javax.media.jai.OperationDescriptorImpl
modeName
- The mode name (usually "Rendered").param
- The parameter block for the operation to performs.message
- A buffer for formatting an error message if any.protected boolean validateParameters(java.lang.String modeName, java.awt.image.renderable.ParameterBlock param, java.lang.StringBuffer message)
true
if the parameters are valids. This implementation check
that the number of bands in the source src1 is equals to the number of bands of
source src2.
validateParameters
in class javax.media.jai.OperationDescriptorImpl
modeName
- The mode name (usually "Rendered").param
- The parameter block for the operation to performs.message
- A buffer for formatting an error message if any.
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