org.apache.xmlgraphics.image.codec.png

## Class PNGImageEncoder

- java.lang.Object
- - org.apache.xmlgraphics.image.codec.util.ImageEncoderImpl
  - - org.apache.xmlgraphics.image.codec.png.PNGImageEncoder

- All Implemented Interfaces:
    ImageEncoder

      public class PNGImageEncoder
      extends ImageEncoderImpl

  An ImageEncoder for the PNG file format.
  Since:
    EA4

- - ### Field Summary

    - ### Fields inherited from class org.apache.xmlgraphics.image.codec.util.ImageEncoderImpl

      `output`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `PNGImageEncoder(OutputStream output, PNGEncodeParam param)`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `encode(RenderedImage im)` This method encodes a `RenderedImage` into PNG.

    - ### Methods inherited from class org.apache.xmlgraphics.image.codec.util.ImageEncoderImpl

      `encode, getOutputStream, getParam, setParam`

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### PNGImageEncoder

          public PNGImageEncoder(OutputStream output,
                         PNGEncodeParam param)

  - ### Method Detail

    - #### encode

          public void encode(RenderedImage im)
                      throws IOException

      This method encodes a `RenderedImage` into PNG. The stream into which the PNG is dumped is not closed at the end of the operation, this should be done if needed by the caller of this method.
      Specified by:
        `encode` in interface `ImageEncoder`
      Specified by:
        `encode` in class `ImageEncoderImpl`
      Throws:
        `IOException`

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