public class PreloaderImageIO extends AbstractImagePreloader
Note: The implementation relies on the presence of a working ImageIO implementation which provides accurate image metadata. This is particularly important for PNG image because the PNG loader relies on that.
DEFAULT_PRIORITY| Constructor and Description |
|---|
PreloaderImageIO() |
| Modifier and Type | Method and Description |
|---|---|
int |
getPriority()
Returns the priority of the preloader.
|
ImageInfo |
preloadImage(java.lang.String uri,
javax.xml.transform.Source src,
ImageContext context)
"Preloads" an image, i.e.
|
getHeaderpublic ImageInfo preloadImage(java.lang.String uri, javax.xml.transform.Source src, ImageContext context) throws java.io.IOException, ImageException
ImageException is only
thrown if the image is identified but some error has happened while working on the file.uri - the original (unresolved) URI of the imagesrc - a image source the image is loaded fromcontext - the context object that provides configuration informationImageExceptionjava.io.IOException - if an I/O error occurs while preloading the imagepublic int getPriority()
getPriority in interface ImagePreloadergetPriority in class AbstractImagePreloaderCopyright 1999-2025 The Apache Software Foundation. All Rights Reserved.