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Java Source Code / Java Documentation » Chart » jfreechart » org.jfree.chart.encoders

Source Cross Reference

Class Diagram

Java Document (Java Doc)

org.jfree.chart.encoders .ImageEncoder

All known Subclasses:   org.jfree.chart.encoders .SunPNGEncoderAdapter,  org.jfree.chart.encoders .KeypointPNGEncoderAdapter,  org.jfree.chart.encoders .SunJPEGEncoderAdapter,
ImageEncoder
public interface ImageEncoder (Code)
Interface for abstracting different types of image encoders.

Method Summary
public byte[] encode(BufferedImage bufferedImage)
     Encodes an image in a particular format.
Parameters:
  bufferedImage - The image to be encoded.
public void encode(BufferedImage bufferedImage, OutputStream outputStream)
     Encodes an image in a particular format and writes it to an OutputStream.
public float getQuality()
     Get the quality of the image encoding.
public boolean isEncodingAlpha()
     Get whether the encoder should encode alpha transparency.
public void setEncodingAlpha(boolean encodingAlpha)
     Set whether the encoder should encode alpha transparency (not supported by all ImageEncoders).
public void setQuality(float quality)
     Set the quality of the image encoding (not supported by all ImageEncoders).

Method Detail
encode
public byte[] encode(BufferedImage bufferedImage) throws IOException(Code)
Encodes an image in a particular format.
Parameters:
  bufferedImage - The image to be encoded. The byte[] that is the encoded image.
throws:
  IOException -

encode
public void encode(BufferedImage bufferedImage, OutputStream outputStream) throws IOException(Code)
Encodes an image in a particular format and writes it to an OutputStream.
Parameters:
  bufferedImage - The image to be encoded.
Parameters:
  outputStream - The OutputStream to write the encoded image to.
throws:
  IOException -

getQuality
public float getQuality()(Code)
Get the quality of the image encoding. A float representing the quality.

isEncodingAlpha
public boolean isEncodingAlpha()(Code)
Get whether the encoder should encode alpha transparency. Whether the encoder is encoding alpha transparency.

setEncodingAlpha
public void setEncodingAlpha(boolean encodingAlpha)(Code)
Set whether the encoder should encode alpha transparency (not supported by all ImageEncoders).
Parameters:
  encodingAlpha - Whether the encoder should encode alpha transparency.

setQuality
public void setQuality(float quality)(Code)
Set the quality of the image encoding (not supported by all ImageEncoders).
Parameters:
  quality - A float representing the quality.

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