Class PreloaderEPS
java.lang.Object
org.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader
org.apache.xmlgraphics.image.loader.impl.PreloaderEPS
- All Implemented Interfaces:
ImagePreloader
Image preloader for EPS images (Encapsulated PostScript).
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Nested Class Summary
Nested ClassesModifier and TypeClassDescriptionstatic class
Holder class for various pointers to the contents of the EPS file. -
Field Summary
FieldsModifier and TypeFieldDescriptionstatic final Object
Key for binary header object used in custom objects of the ImageInfo class.static final Object
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
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptionpreloadImage
(String uri, Source src, ImageContext context) "Preloads" an image, i.e.Methods inherited from class org.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader
getHeader, getPriority
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Field Details
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EPS_BINARY_HEADER
Key for binary header object used in custom objects of the ImageInfo class. -
EPS_BOUNDING_BOX
Key for bounding box used in custom objects of the ImageInfo class.
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Constructor Details
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PreloaderEPS
public PreloaderEPS()
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Method Details
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preloadImage
"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. AnImageException
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:
IOException
- if an I/O error occurs while preloading the image
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