com.klg.jclass.util.swing.encode
Class PNGEncoder

java.lang.Object
  |
  +--com.klg.jclass.util.swing.encode.AbstractImageEncoder
        |
        +--com.klg.jclass.util.swing.encode.PNGEncoder

All Implemented Interfaces:

Encoder

public class PNGEncoder

extends AbstractImageEncoder

This class encodes a Png file from an Image to an OutputStream. Color depths 8, 16, 24 and 32 are supported. No additional Png blocks except those absolutely necessary for Png encoding are included.

Constructor Summary

PNGEncoder()

Method Summary

int	compress(byte[] outarray, byte[] pixelarray, int width, int height)
int	compress(byte[] outarray, int[] pixelarray, ColorModel cmodel, int width, int height)
void	saveImage(Image img, OutputStream ofile)

Methods inherited from class com.klg.jclass.util.swing.encode.AbstractImageEncoder

byteFromChar, byteFromInt, bytesFromInt, bytesFromLong, compressColor, compressColor, createByte, encode, encode, error, snapshot, snapshotJava3d

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(Image img,
                      OutputStream ofile)
               throws IOException,
                      EncoderException

Specified by:

saveImage in class AbstractImageEncoder

IOException

EncoderException

compress

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

EncoderException

compress

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

EncoderException