xmlgraphics-commons 1.3

org.apache.xmlgraphics.image.loader.impl
Class PreloaderGIF

java.lang.Object
  extended by org.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader
      extended by org.apache.xmlgraphics.image.loader.impl.PreloaderGIF
All Implemented Interfaces:
ImagePreloader

public class PreloaderGIF
extends AbstractImagePreloader

Image preloader for GIF images.


Field Summary
 
Fields inherited from interface org.apache.xmlgraphics.image.loader.spi.ImagePreloader
DEFAULT_PRIORITY
 
Constructor Summary
PreloaderGIF()
           
 
Method Summary
 ImageInfo preloadImage(java.lang.String uri, javax.xml.transform.Source src, ImageContext context)
          "Preloads" an image, i.e.
 
Methods inherited from class org.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader
getHeader, getPriority
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PreloaderGIF

public PreloaderGIF()
Method Detail

preloadImage

public ImageInfo preloadImage(java.lang.String uri,
                              javax.xml.transform.Source src,
                              ImageContext context)
                       throws java.io.IOException
"Preloads" an image, i.e. indentifies whether the source image is supported by this implementation and determines the image's intrinsic size and possibly some additional information. The image is usually not fully loaded at this time to conserve memory.

Parameters:
uri - the original (unresolved) URI of the image
src - a image source the image is loaded from
context - the context object that provides configuration information
Returns:
an image info object with the basic information about an image
Throws:
java.io.IOException - if an I/O error occurs while preloading the image

xmlgraphics-commons 1.3

Copyright 1999-2008 The Apache Software Foundation. All Rights Reserved.