mxPngTextDecoder (JGraph X 2.1.0.7 API Specification)
Date: 2013-07-31

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## com.mxgraph.util.png
Class mxPngTextDecoder

    java.lang.Object
      com.mxgraph.util.png.mxPngTextDecoder

    public class mxPngTextDecoder

extends Object

Utility class to extract the compression text portion of a PNG

Field Summary
`static int` | `PNG_CHUNK_IEND`
`static int` | `PNG_CHUNK_ZTXT`

Constructor Summary
`mxPngTextDecoder()`

Method Summary
`static Map<String,String>` | `decodeCompressedText(InputStream stream)` Decodes the zTXt chunk of the given PNG image stream.

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

Field Detail

### PNG_CHUNK_ZTXT

    public static final int PNG_CHUNK_ZTXT

See Also:
  Constant Field Values

### PNG_CHUNK_IEND

    public static final int PNG_CHUNK_IEND

See Also:
  Constant Field Values

Constructor Detail

### mxPngTextDecoder

    public mxPngTextDecoder()

Method Detail

### decodeCompressedText

    public static Map<String,String> decodeCompressedText(InputStream stream)

  Decodes the zTXt chunk of the given PNG image stream.

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Copyright (c) 2010 Gaudenz Alder. All rights reserved.