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Java™ Platform Standard Ed. 6 |
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public interface ContextualRenderedImageFactory
ContextualRenderedImageFactory provides an interface for the functionality that may differ between instances of RenderableImageOp. Thus different operations on RenderableImages may be performed by a single class such as RenderedImageOp through the use of multiple instances of ContextualRenderedImageFactory. The name ContextualRenderedImageFactory is commonly shortened to "CRIF."
All operations that are to be used in a rendering-independent chain must implement ContextualRenderedImageFactory.
Classes that implement this interface must provide a constructor with no arguments.
| Method Summary | |
|---|---|
RenderedImage |
create(RenderContext renderContext,
ParameterBlock paramBlock)
Creates a rendering, given a RenderContext and a ParameterBlock containing the operation's sources and parameters. |
Rectangle2D |
getBounds2D(ParameterBlock paramBlock)
Returns the bounding box for the output of the operation, performed on a given set of sources, in rendering-independent space. |
Object |
getProperty(ParameterBlock paramBlock,
String name)
Gets the appropriate instance of the property specified by the name parameter. |
String[] |
getPropertyNames()
Returns a list of names recognized by getProperty. |
boolean |
isDynamic()
Returns true if successive renderings (that is, calls to create(RenderContext, ParameterBlock)) with the same arguments may produce different results. |
RenderContext |
mapRenderContext(int i,
RenderContext renderContext,
ParameterBlock paramBlock,
RenderableImage image)
Maps the operation's output RenderContext into a RenderContext for each of the operation's sources. |
| Methods inherited from interface java.awt.image.renderable.RenderedImageFactory |
|---|
create |
| Method Detail |
|---|
RenderContext mapRenderContext(int i,
RenderContext renderContext,
ParameterBlock paramBlock,
RenderableImage image)
i - the index of the source image.renderContext - the RenderContext being applied to the operation.paramBlock - a ParameterBlock containing the operation's
sources and parameters.image - the RenderableImage being rendered.
RenderContext for
the source at the specified index of the parameters
Vector contained in the specified ParameterBlock.
RenderedImage create(RenderContext renderContext,
ParameterBlock paramBlock)
renderContext - The RenderContext specifying the renderingparamBlock - a ParameterBlock containing the operation's
sources and parameters
RenderedImage from the sources and parameters
in the specified ParameterBlock and according to the
rendering instructions in the specified RenderContext.Rectangle2D getBounds2D(ParameterBlock paramBlock)
paramBlock - a ParameterBlock containing the operation's
sources and parameters.
Object getProperty(ParameterBlock paramBlock,
String name)
paramBlock - a ParameterBlock containing the operation's
sources and parameters.name - a String naming the desired property.
String[] getPropertyNames()
boolean isDynamic()
true if successive renderings with the
same arguments might produce different results;
false otherwise.
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Java™ Platform Standard Ed. 6 |
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