mxPngImageEncoder (mxGraph 4.2.2 API Specification)

java.lang.Object
- com.mxgraph.util.png.mxPngImageEncoder

public class mxPngImageEncoder
extends java.lang.Object

An ImageEncoder for the PNG file format.

Since:: EA4

Field Summary

Fields
Modifier and Type Field Description

protected java.io.OutputStream output
The OutputStream associcted with this ImageEncoder.

Constructor Summary

Constructors
Constructor Description

mxPngImageEncoder(java.io.OutputStream output, mxPngEncodeParam param)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`encode(java.awt.image.RenderedImage im)`	This method encodes a `RenderedImage` into PNG.
`java.io.OutputStream`	`getOutputStream()`	Returns the OutputStream associated with this ImageEncoder.
`mxPngEncodeParam`	`getParam()`
`void`	`setParam(mxPngEncodeParam param)`

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

- Field Detail
  - output
```
protected java.io.OutputStream output
```
    The OutputStream associcted with this ImageEncoder.
- Constructor Detail
  - mxPngImageEncoder
```
public mxPngImageEncoder(java.io.OutputStream output,
                         mxPngEncodeParam param)
```
- Method Detail
  - getParam
```
public mxPngEncodeParam getParam()
```
  - setParam
```
public void setParam(mxPngEncodeParam param)
```
  - getOutputStream
```
public java.io.OutputStream getOutputStream()
```
    Returns the OutputStream associated with this ImageEncoder.
  - encode
```
public void encode(java.awt.image.RenderedImage im)
            throws java.io.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.
    
    Throws:
    
    java.io.IOException