SunPNGEncoderAdapter

java.lang.Object
- org.jfree.chart.encoders.SunPNGEncoderAdapter

All Implemented Interfaces:

ImageEncoder
```
public class SunPNGEncoderAdapter
extends Object
implements ImageEncoder
```
Adapter class for the Sun PNG Encoder. The ImageEncoderFactory will only return a reference to this class by default if the library has been compiled under a JDK 1.4+ and is being run using a JDK 1.4+.

Constructor Summary

Constructors
Constructor and Description

SunPNGEncoderAdapter()

Constructors
Constructor and Description
`SunPNGEncoderAdapter()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`byte[]`	`encode(BufferedImage bufferedImage)` Encodes an image in PNG format.
`void`	`encode(BufferedImage bufferedImage, OutputStream outputStream)` Encodes an image in PNG format and writes it to an OutputStream.
`float`	`getQuality()` Get the quality of the image encoding (always 0.0).
`boolean`	`isEncodingAlpha()` Get whether the encoder should encode alpha transparency (always false).
`void`	`setEncodingAlpha(boolean encodingAlpha)` Set whether the encoder should encode alpha transparency (not supported in this ImageEncoder).
`void`	`setQuality(float quality)` Set the quality of the image encoding (not supported in this ImageEncoder).

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

- Constructor Detail
  - SunPNGEncoderAdapter
```
public SunPNGEncoderAdapter()
```
- Method Detail
  - getQuality
```
public float getQuality()
```
    Get the quality of the image encoding (always 0.0).
    
    Specified by:
    
    getQuality in interface ImageEncoder
    
    Returns:
    
    A float representing the quality.
  - setQuality
```
public void setQuality(float quality)
```
    Set the quality of the image encoding (not supported in this ImageEncoder).
    
    Specified by:
    
    setQuality in interface ImageEncoder
    
    Parameters:
    
    quality - A float representing the quality.
  - isEncodingAlpha
```
public boolean isEncodingAlpha()
```
    Get whether the encoder should encode alpha transparency (always false).
    
    Specified by:
    
    isEncodingAlpha in interface ImageEncoder
    
    Returns:
    
    Whether the encoder is encoding alpha transparency.
  - setEncodingAlpha
```
public void setEncodingAlpha(boolean encodingAlpha)
```
    Set whether the encoder should encode alpha transparency (not supported in this ImageEncoder).
    
    Specified by:
    
    setEncodingAlpha in interface ImageEncoder
    
    Parameters:
    
    encodingAlpha - Whether the encoder should encode alpha transparency.
  - encode
```
public byte[] encode(BufferedImage bufferedImage)
              throws IOException
```
    Encodes an image in PNG format.
    
    Specified by:
    
    encode in interface ImageEncoder
    
    Parameters:
    
    bufferedImage - The image to be encoded.
    
    Returns:
    
    The byte[] that is the encoded image.
    
    Throws:
    
    IOException - if there is an IO problem.
  - encode
```
public void encode(BufferedImage bufferedImage,
                   OutputStream outputStream)
            throws IOException
```
    Encodes an image in PNG format and writes it to an OutputStream.
    
    Specified by:
    
    encode in interface ImageEncoder
    
    Parameters:
    
    bufferedImage - The image to be encoded.
    
    outputStream - The OutputStream to write the encoded image to.
    
    Throws:
    
    IOException - if there is an IO problem.

Class SunPNGEncoderAdapter

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

SunPNGEncoderAdapter

Method Detail

getQuality

setQuality

isEncodingAlpha

setEncodingAlpha

encode

encode