sky.common.util
Class GIFEncoder

java.lang.Object
  sky.common.util.GIFEncoder

public class GIFEncoder

extends java.lang.Object

 GifEncoder - writes out an image as a GIF.

 Transparency handling and variable bit size courtesy of Jack Palevich.

 Copyright (C) 1996 by Jef Poskanzer .  All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.

 THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 SUCH DAMAGE.

 Visit the ACME Labs Java page for up-to-date versions of this and other
 fine Java utilities: http://www.acme.com/java/
 

Constructor Summary

GIFEncoder(java.awt.Image img)
Constructs a new GifEncoder using an 8-bit AWT Image.

GIFEncoder(int width, int height, byte[] pixels, byte[] r, byte[] g, byte[] b)
Constructs a new GifEncoder.

Method Summary

int	getTransparentPixel()
void	setTransparentPixel(int pixel)
void	write(java.io.OutputStream out) Saves the image as a GIF file.

Methods inherited from class java.lang.Object

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

Constructor Detail

GIFEncoder

public GIFEncoder(int width,
                  int height,
                  byte[] pixels,
                  byte[] r,
                  byte[] g,
                  byte[] b)

Constructs a new GifEncoder.

Parameters:

width - The image width.

height - The image height.

pixels - The pixel data.

r - The red look-up table.

g - The green look-up table.

b - The blue look-up table.

GIFEncoder

public GIFEncoder(java.awt.Image img)

Constructs a new GifEncoder using an 8-bit AWT Image. The image is assumed to be fully loaded.

Method Detail

write

public void write(java.io.OutputStream out)
           throws java.io.IOException

Saves the image as a GIF file.

Throws:

java.io.IOException

setTransparentPixel

public void setTransparentPixel(int pixel)

getTransparentPixel

public int getTransparentPixel()