Creates a rendering, given a RenderContext and a ParameterBlock containing the operation's sources and parameters.

  Creates a rendering, given a RenderContext and a ParameterBlock
containing the operation's sources and parameters. The output
is a RenderedImage that takes the RenderContext into account to
determine its dimensions and placement on the image plane.
This method houses the "intelligence" that allows a
rendering-independent operation to adapt to a specific
RenderContext.
Returns: a RenderedImage from the sources and parameters in the specified ParameterBlock and according to the rendering instructions in the specified RenderContext.
Parameters:
- renderContext - The RenderContext specifying the rendering
- paramBlock - a ParameterBlock containing the operation's sources and parameters

  Returns the bounding box for the output of the operation, performed on a given set of sources, in rendering-independent space.

  Returns the bounding box for the output of the operation,
performed on a given set of sources, in rendering-independent
space. The bounds are returned as a Rectangle2D, that is, an
axis-aligned rectangle with floating-point corner coordinates.
Returns: a Rectangle2D specifying the rendering-independent bounding box of the output.
Parameters:
- paramBlock - a ParameterBlock containing the operation's sources and parameters.

  Gets the appropriate instance of the property specified by the name parameter.

  Gets the appropriate instance of the property specified by the name
parameter. This method must determine which instance of a property to
return when there are multiple sources that each specify the property.
Returns: an object reference to the value of the property requested.
Parameters:
- paramBlock - a ParameterBlock containing the operation's sources and parameters.
- name - a String naming the desired property.

  Returns a list of names recognized by getProperty.

  Returns a list of names recognized by getProperty.
Returns: the list of property names.

  Returns true if successive renderings (that is, calls to create(RenderContext, ParameterBlock)) with the same arguments may produce different results.

  Returns true if successive renderings (that is, calls to
create(RenderContext, ParameterBlock)) with the same arguments
may produce different results. This method may be used to
determine whether an existing rendering may be cached and
reused. It is always safe to return true.
Returns: true if successive renderings with the same arguments might produce different results; false otherwise.

  Maps the operation's output RenderContext into a RenderContext for each of the operation's sources.

  Maps the operation's output RenderContext into a RenderContext
for each of the operation's sources. This is useful for
operations that can be expressed in whole or in part simply as
alterations in the RenderContext, such as an affine mapping, or
operations that wish to obtain lower quality renderings of
their sources in order to save processing effort or
transmission bandwith. Some operations, such as blur, can also
use this mechanism to avoid obtaining sources of higher quality
than necessary.
Returns: a RenderContext for the source at the specified index of the parameters Vector contained in the specified ParameterBlock.
Parameters:
- 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.