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## org.apache.batik.ext.awt.image.codec
Class PNGImageDecoder

    java.lang.Object
      org.apache.batik.ext.awt.image.codec.ImageDecoderImpl
          org.apache.batik.ext.awt.image.codec.PNGImageDecoder

All Implemented Interfaces:
  ImageDecoder

public class PNGImageDecoder
extends ImageDecoderImpl

Field Summary

Fields inherited from class org.apache.batik.ext.awt.image.codec.ImageDecoderImpl
`input, param`

Constructor Summary
`PNGImageDecoder(java.io.InputStream input, PNGDecodeParam param)`

Method Summary
`java.awt.image.RenderedImage` | `decodeAsRenderedImage(int page)` Returns a `RenderedImage` that contains the decoded contents of the `SeekableStream` associated with this `ImageDecoder`.

Methods inherited from class org.apache.batik.ext.awt.image.codec.ImageDecoderImpl
`decodeAsRaster, decodeAsRaster, decodeAsRenderedImage, getInputStream, getNumPages, getParam, setParam`

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

Constructor Detail

### PNGImageDecoder

    public PNGImageDecoder(java.io.InputStream input,
                           PNGDecodeParam param)

Method Detail

### decodeAsRenderedImage

    public java.awt.image.RenderedImage decodeAsRenderedImage(int page)
                                                       throws java.io.IOException

  Description copied from class: `ImageDecoderImpl`
  Returns a `RenderedImage` that contains the decoded contents of the `SeekableStream` associated with this `ImageDecoder`. The given page of a multi-page image is decoded. If the page does not exist, an IOException will be thrown. Page numbering begins at zero.

  Specified by:
    `decodeAsRenderedImage` in interface `ImageDecoder`
  Specified by:
    `decodeAsRenderedImage` in class `ImageDecoderImpl`
  Parameters:
    `page` - The page to be decoded.
  Throws:
    `java.io.IOException`

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Copyright © 2004 Apache Software Foundation. All Rights Reserved.