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java.lang.Objectorg.apache.xmlgraphics.image.loader.impl.AbstractImagePreloader
org.apache.xmlgraphics.image.loader.impl.PreloaderBMP
Image preloader for BMP images.
Field Summary | |
protected static int |
BMP_SIG_LENGTH
Length of the BMP header |
Fields inherited from interface org.apache.xmlgraphics.image.loader.spi.ImagePreloader |
DEFAULT_PRIORITY |
Constructor Summary | |
PreloaderBMP()
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Method Summary | |
ImageInfo |
preloadImage(java.lang.String uri,
javax.xml.transform.Source src,
ImageContext context)
"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. |
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 |
protected static final int BMP_SIG_LENGTH
Constructor Detail |
public PreloaderBMP()
Method Detail |
public ImageInfo preloadImage(java.lang.String uri, javax.xml.transform.Source src, ImageContext context) throws java.io.IOException, ImageException
uri
- the original (unresolved) URI of the imagesrc
- a image source the image is loaded fromcontext
- the context object that provides configuration information
ImageException
- if an error occurs while preloading the image
java.io.IOException
- if an I/O error occurs while preloading the image
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