public interface ImageLoader
Modifier and Type | Method and Description |
---|---|
void |
addListener(ImageLoadListener listener)
Adds a listener to monitor this loader.
|
void |
dispose()
Disposes of any resources (such as native libraries) held by this loader.
|
ImageFormatDescription |
getFormatDescription()
Gets a description of the image format supported by this loader.
|
ImageFrame |
load(int imageIndex,
int width,
int height,
boolean preserveAspectRatio,
boolean smooth)
Loads the image at a given index in an image stream.
|
void |
removeListener(ImageLoadListener listener)
Removes a listener from the list of those monitoring this loader.
|
ImageFormatDescription getFormatDescription()
void dispose()
void addListener(ImageLoadListener listener)
listener
- the listener to add.void removeListener(ImageLoadListener listener)
listener
- the listener to remove.ImageFrame load(int imageIndex, int width, int height, boolean preserveAspectRatio, boolean smooth) throws IOException
null
will be returned.imageIndex
- the zero-relative index of the image to load.width
- the desired image width. If non-positive,
an IllegalArgumentException
will be thrown.height
- the desired image height. If non-positive,
an IllegalArgumentException
will be thrown.preserveAspectRatio
- whether to preserve the width-to-height ratio
of the image.smooth
- whether to use a smooth downscaling algorithm.null
on error.IOException
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