com.sun.javafx.iio.png

Class PNGImageLoader2

java.lang.Object

com.sun.javafx.iio.common.ImageLoaderImpl

com.sun.javafx.iio.png.PNGImageLoader2

All Implemented Interfaces:

ImageLoader

public final class PNGImageLoader2
extends ImageLoaderImpl

Field Summary

Fields inherited from class com.sun.javafx.iio.common.ImageLoaderImpl

formatDescription, lastPercentDone, listeners

Constructor Summary

Constructors

Constructor and Description
PNGImageLoader2(InputStream input)

Method Summary

Modifier and Type	Method and Description
void	dispose() Disposes of any resources (such as native libraries) held by this loader.
ImageFrame	load(int imageIndex, int rWidth, int rHeight, boolean preserveAspectRatio, boolean smooth) Loads the image at a given index in an image stream.

Methods inherited from class com.sun.javafx.iio.common.ImageLoaderImpl

addListener, emitWarning, getFormatDescription, removeListener, updateImageMetadata, updateImageProgress

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PNGImageLoader2

public PNGImageLoader2(InputStream input)
                throws IOException

Throws:

IOException

Method Detail

dispose

public void dispose()

Description copied from interface: ImageLoader

Disposes of any resources (such as native libraries) held by this loader. Any further invocation of any methods on this object are undefined.

load

public ImageFrame load(int imageIndex,
                       int rWidth,
                       int rHeight,
                       boolean preserveAspectRatio,
                       boolean smooth)
                throws IOException

Description copied from interface: ImageLoader

Loads the image at a given index in an image stream. If no image exists at that index null will be returned.

Parameters:

imageIndex - the zero-relative index of the image to load.

rWidth - the desired image width. If non-positive, an IllegalArgumentException will be thrown.

rHeight - 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.

Returns:

the image at the specified index or null on error.

Throws:

IOException