oracle.cabo.image
Interface ImageRenderer

All Known Implementing Classes:

AbstractImageRenderer, ColorizedIconImageRenderer, FlippedIconImageRenderer

public interface ImageRenderer

ImageRenderer defines an interface for generated an AWT Image from a set of properties describing the desired image.

Method Summary

java.awt.Image

renderImage(ImageContext context, java.util.Dictionary requestedProperties, java.util.Dictionary responseProperties) Render and return an image given the dictionary of properties that describe what to render.

Method Detail

renderImage

public java.awt.Image renderImage(ImageContext context,
                                  java.util.Dictionary requestedProperties,
                                  java.util.Dictionary responseProperties)

Render and return an image given the dictionary of properties that describe what to render. In addition to returning the rendered image, the image renderer may store additional properties describing the generated image (such as its width and height) in the provided responseProperties dictionary.

Parameters:

context - The rendering context

requestedProperties - Dictionary of requested properties. The keys for this dictionary are the KEY constants defined in ImageConstants.

responseProperties - Dictionary for response properties. The keys for this dictionary are the RESPONSE_KEY constants defined in ImageConstants.

Returns:

an Image containing the rendered results

See Also:

ImageContext, ImageConstants