xmlgraphics-commons 1.3

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

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

public class PreloaderEPS
extends AbstractImagePreloader

Image preloader for EPS images (Encapsulated PostScript).


Nested Class Summary
static class PreloaderEPS.EPSBinaryFileHeader
          Holder class for various pointers to the contents of the EPS file.
 
Field Summary
static java.lang.Object EPS_BINARY_HEADER
          Key for binary header object used in custom objects of the ImageInfo class.
static java.lang.Object EPS_BOUNDING_BOX
          Key for bounding box used in custom objects of the ImageInfo class.
 
Fields inherited from interface org.apache.xmlgraphics.image.loader.spi.ImagePreloader
DEFAULT_PRIORITY
 
Constructor Summary
PreloaderEPS()
           
 
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
 

Field Detail

EPS_BINARY_HEADER

public static final java.lang.Object EPS_BINARY_HEADER
Key for binary header object used in custom objects of the ImageInfo class.


EPS_BOUNDING_BOX

public static final java.lang.Object EPS_BOUNDING_BOX
Key for bounding box used in custom objects of the ImageInfo class.

Constructor Detail

PreloaderEPS

public PreloaderEPS()
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.