Package org.tn5250j.tools.encoder

Class PNGEncoder

java.lang.Object

org.tn5250j.tools.encoder.AbstractImageEncoder

org.tn5250j.tools.encoder.PNGEncoder

All Implemented Interfaces:

Encoder

public class PNGEncoder
extends AbstractImageEncoder

This class encodes a Png file from an Image to an OutputStream. No color depths except 8 and 16 bpp are supported. No additional Png blocks except those absolutely necessary for Png encoding are included.

Field Summary

Fields inherited from class org.tn5250j.tools.encoder.AbstractImageEncoder

img, ofile

Constructor Summary

Constructors

Constructor	Description
PNGEncoder()

Method Summary

Modifier and Type	Method	Description
int	compress(byte[] outarray, byte[] pixelarray, int width, int height)
int	compress(byte[] outarray, int[] pixelarray, java.awt.image.ColorModel cmodel, int width, int height)
void	saveImage()

Methods inherited from class org.tn5250j.tools.encoder.AbstractImageEncoder

byteFromChar, byteFromInt, bytesFromLong, compressColor, compressColor, createByte, encode, encode, error, snapshot

Methods inherited from class java.lang.Object

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

Constructor Detail

PNGEncoder

public PNGEncoder()

Method Detail

saveImage

public void saveImage()
               throws java.io.IOException,
                      EncoderException

Specified by:

saveImage in class AbstractImageEncoder

Throws:

java.io.IOException

EncoderException

compress

public int compress(byte[] outarray,
                    int[] pixelarray,
                    java.awt.image.ColorModel cmodel,
                    int width,
                    int height)
             throws EncoderException

Throws:

EncoderException

compress

public int compress(byte[] outarray,
                    byte[] pixelarray,
                    int width,
                    int height)
             throws EncoderException

Throws:

EncoderException