Class ImageLoaderPNG
- java.lang.Object
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- org.apache.xmlgraphics.image.loader.impl.AbstractImageLoader
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- org.apache.xmlgraphics.image.loader.impl.ImageLoaderPNG
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- All Implemented Interfaces:
ImageLoader
public class ImageLoaderPNG extends AbstractImageLoader
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Field Summary
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Fields inherited from interface org.apache.xmlgraphics.image.loader.spi.ImageLoader
MEDIUM_LOADING_PENALTY, NO_LOADING_PENALTY
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Constructor Summary
Constructors Constructor Description ImageLoaderPNG()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ImageFlavor
getTargetFlavor()
Returns the image flavor that is returned by this ImageLoader implementation.int
getUsagePenalty()
Returns the penalty assigned to using this image loader.Image
loadImage(ImageInfo info, java.util.Map hints, ImageSessionContext session)
Loads and returns an image.-
Methods inherited from class org.apache.xmlgraphics.image.loader.impl.AbstractImageLoader
ignoreColorProfile, loadImage
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Method Detail
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loadImage
public Image loadImage(ImageInfo info, java.util.Map hints, ImageSessionContext session) throws ImageException, java.io.IOException
Loads and returns an image.- Parameters:
info
- the image info object indicating the imagehints
- a Map of hints that can be used by implementations to customize the loading process (may be null).session
- the session context- Returns:
- the fully loaded image
- Throws:
ImageException
- if an error occurs while loading the imagejava.io.IOException
- if an I/O error occurs while loading the image
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getTargetFlavor
public ImageFlavor getTargetFlavor()
Returns the image flavor that is returned by this ImageLoader implementation.- Returns:
- the target image flavor
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getUsagePenalty
public int getUsagePenalty()
Returns the penalty assigned to using this image loader. The value is used to select the best processing chain for images.- Specified by:
getUsagePenalty
in interfaceImageLoader
- Overrides:
getUsagePenalty
in classAbstractImageLoader
- Returns:
- the usage penalty (must be a non-negative integer)
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