PassiveAnimationImage

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Ableverse™
Platform 6.0

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av.imageio
Class PassiveAnimationImage

java.lang.Object
  av.imageio.PassiveAnimationImage

All Implemented Interfaces:: RenderedImage

public class PassiveAnimationImage
extends Object
implements RenderedImage
extends Object
implements RenderedImage

Some kinds of images such as GIF, may contain multiple frames and more meta information to represent animations, standard ImageIO only read their first frames currently, and the push model of image rendering since jdk1.0 is poor at animation image support.

This class tries to fill this blank by prerendering animation image frames at read time and dynamically supply different frames in a system time basis. The successfully read animation of this class relies on System.currentTimeMillis() return value, and calculate current frame as if it has been started from the first frame since midnight 1970-01-01.

Use IIO instead of ImageIO to read images potentially be an animation, and if the format is supported by this class, an instance of this class will be returned.

Currently only javax.imageio compatible GIF images are supported.

Author:: Compl

Field Summary
`protected static int`	`MINIMUM_DELAY`

Constructor Summary
`PassiveAnimationImage(IIOMetadata streamMeta, IIOImage firstFrame, Iterator<IIOImage> restFrames)`
`PassiveAnimationImage(IIOMetadata streamMeta, Iterator<IIOImage> frames)`

Method Summary
`WritableRaster`	`copyData(WritableRaster raster)`
`BufferedImage`	`getBackground()`
`ColorModel`	`getColorModel()`
`BufferedImage`	`getCurrentFrame()`
`Raster`	`getData()`
`Raster`	`getData(Rectangle rect)`
`int`	`getHeight()`
`int`	`getMinTileX()`
`int`	`getMinTileY()`
`int`	`getMinX()`
`int`	`getMinY()`
`int`	`getNumXTiles()`
`int`	`getNumYTiles()`
`Object`	`getProperty(String name)`
`String[]`	`getPropertyNames()`
`SampleModel`	`getSampleModel()`
`Vector<RenderedImage>`	`getSources()`
`Raster`	`getTile(int tileX, int tileY)`
`int`	`getTileGridXOffset()`
`int`	`getTileGridYOffset()`
`int`	`getTileHeight()`
`int`	`getTileWidth()`
`int`	`getWidth()`
`static boolean`	`supports(IIOMetadata streamMeta, IIOImage firstFrame)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

MINIMUM_DELAY

protected static final int MINIMUM_DELAY

See Also:: Constant Field Values

Constructor Detail