org.apache.xmlgraphics.image.loader.impl
Class PreloaderEPS
java.lang.Object
org.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader
org.apache.xmlgraphics.image.loader.impl.PreloaderEPS
- All Implemented Interfaces:
- ImagePreloader
public class PreloaderEPS
- extends AbstractImagePreloader
Image preloader for EPS images (Encapsulated PostScript).
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. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
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.
PreloaderEPS
public PreloaderEPS()
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.
The method returns null if the image was not identified. An
ImageException
is only
thrown if the image is identified but some error has happened while working on the file.
- Parameters:
uri
- the original (unresolved) URI of the imagesrc
- a image source the image is loaded fromcontext
- the context object that provides configuration information
- Returns:
- an image info object with the basic information about an image or null if the
image is not supported by this implementation
- Throws:
java.io.IOException
- if an I/O error occurs while preloading the image
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