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

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.

Overrides:

decodeAsRenderedImage in class ImageDecoderImpl

Following copied from class: org.apache.batik.ext.awt.image.codec.ImageDecoderImpl

Parameters:

page - The page to be decoded.