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java.lang.Object
|
+--javax.media.jai.OperationDescriptorImpl
|
+--javax.media.jai.operator.AndDescriptor
An OperationDescriptor describing the "And" operation.
The And operation takes two source images, and performs a bit-wise logical "and" on every pair of pixels, one from each source image, of the corresponding position and band. No additional parameters are required.
Both source images must have integral data types. The two data types may be different.
Unless altered by an ImageLayout hint, the
destination image bound is the intersection of the two source image
bounds. If the two sources don't intersect, the destination will
have a width and height of 0. The number of bands of the
destination image is equal to the lesser number of bands of the
sources, and the data type is the smallest data type with
sufficient range to cover the range of both source data types.
The following matrix defines the logical "and" operation.
| src1 | src2 | Result |
|---|---|---|
| 1 | 1 | 1 |
| 1 | 0 | 0 |
| 0 | 1 | 0 |
| 0 | 0 | 0 |
The destination pixel values are defined by the pseudocode:
dst[x][y][b] = srcs[0][x][y][b] & srcs[1][x][y][b];
| Name | Value |
|---|---|
| GlobalName | And |
| LocalName | And |
| Vendor | com.sun.media.jai |
| Description | Logically "ands" two images. |
| DocURL | http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/operator/AndDescriptor.html |
| Version | 1.0 |
No parameters are needed for this operation.
OperationDescriptor, Serialized Form| Fields inherited from class javax.media.jai.OperationDescriptorImpl |
resources, sourceNames, supportedModes |
| Fields inherited from interface javax.media.jai.OperationDescriptor |
NO_PARAMETER_DEFAULT |
| Constructor Summary | |
AndDescriptor()
Constructor. |
|
| Method Summary | |
static RenderedOp |
create(RenderedImage source0,
RenderedImage source1,
RenderingHints hints)
Logically "ands" two images. |
static RenderableOp |
createRenderable(RenderableImage source0,
RenderableImage source1,
RenderingHints hints)
Logically "ands" two images. |
protected boolean |
validateSources(String modeName,
ParameterBlock args,
StringBuffer msg)
Validates the input sources. |
| Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
public AndDescriptor()
| Method Detail |
protected boolean validateSources(String modeName,
ParameterBlock args,
StringBuffer msg)
In addition to the standard checks performed by the superclass method, this method checks that the source images are of integral data type.
validateSources in class OperationDescriptorImpljavax.media.jai.OperationDescriptorImplmodeName - the operation mode nameargs - a ParameterBlock that has the sourcesmsg - A string that may contain error messages.IllegalArgumentException - if any of the input parameters are null.OperationDescriptorImpl.validateArguments(java.lang.String, java.awt.image.renderable.ParameterBlock, java.lang.StringBuffer)
public static RenderedOp create(RenderedImage source0,
RenderedImage source1,
RenderingHints hints)
Creates a ParameterBlockJAI from all
supplied arguments except hints and invokes
JAI.create(String,ParameterBlock,RenderingHints).
source0 - RenderedImage source 0.source1 - RenderedImage source 1.hints - The RenderingHints to use.
May be null.RenderedOp destination.IllegalArgumentException - if source0 is null.IllegalArgumentException - if source1 is null.JAI,
ParameterBlockJAI,
RenderedOp
public static RenderableOp createRenderable(RenderableImage source0,
RenderableImage source1,
RenderingHints hints)
Creates a ParameterBlockJAI from all
supplied arguments except hints and invokes
JAI.createRenderable(String,ParameterBlock,RenderingHints).
source0 - RenderableImage source 0.source1 - RenderableImage source 1.hints - The RenderingHints to use.
May be null.RenderableOp destination.IllegalArgumentException - if source0 is null.IllegalArgumentException - if source1 is null.JAI,
ParameterBlockJAI,
RenderableOp
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