org.jCharts.encoders
Class JPEGEncoder

java.lang.Object
  |
  +--org.jCharts.encoders.JPEGEncoder

public final class JPEGEncoder

extends java.lang.Object

This class REQUIRES the jdk 1.4

Field Summary

private static java.lang.String

JPEG

Constructor Summary

private

JPEGEncoder()

Method Summary

static void

encode(Chart chart, float quality, java.io.OutputStream outputStream) Encodes the chart to a JPEG format.

Methods inherited from class java.lang.Object

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

Field Detail

JPEG

private static final java.lang.String JPEG

See Also:

Constant Field Values

Constructor Detail

JPEGEncoder

private JPEGEncoder()
             throws java.lang.Exception

Method Detail

encode

public static final void encode(Chart chart,
                                float quality,
                                java.io.OutputStream outputStream)
                         throws ChartDataException,
                                PropertyException,
                                java.io.IOException

Encodes the chart to a JPEG format. If you are generating large dimension images, the file size can get quite large. You can try decreasing the quality to decrease the file size.

Parameters:

outputStream -

quality - float value from 0.0f(worst image quality) - 1.0f(best image quality)

Throws:

ChartDataException

PropertyException

java.io.IOException