/*
* $RCSfile: GIFCodec.java,v $
*
* Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
*
* Use is subject to license terms.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 04:55:36 $
* $State: Exp $
*/
package com.sun.media.jai.codecimpl;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import com.sun.media.jai.codec.ImageCodec;
import com.sun.media.jai.codec.ImageDecoder;
import com.sun.media.jai.codec.ImageDecodeParam;
import com.sun.media.jai.codec.ImageEncoder;
import com.sun.media.jai.codec.ImageEncodeParam;
import com.sun.media.jai.codec.SeekableStream;
// import com.sun.media.jai.codec.GIFEncodeParam;
/**
* @since EA3
*/
public final class GIFCodec extends ImageCodec {
public GIFCodec() {}
public String getFormatName() {
return "gif";
}
public Class getEncodeParamClass() {
return Object.class;
}
public Class getDecodeParamClass() {
return Object.class;
}
public boolean canEncodeImage(RenderedImage im,
ImageEncodeParam param) {
return false;
}
protected ImageEncoder createImageEncoder(OutputStream dst,
ImageEncodeParam param) {
/*
GIFEncodeParam p = null;
if (param != null) {
p = (GIFEncodeParam)param;
}
return new GIFImageEncoder(dst, p);
*/
return null;
}
protected ImageDecoder createImageDecoder(InputStream src,
ImageDecodeParam param) {
return new GIFImageDecoder(src, param);
}
protected ImageDecoder createImageDecoder(File src,
ImageDecodeParam param)
throws IOException {
return new GIFImageDecoder(new FileInputStream(src), null);
}
protected ImageDecoder createImageDecoder(SeekableStream src,
ImageDecodeParam param) {
return new GIFImageDecoder(src, param);
}
public int getNumHeaderBytes() {
return 4;
}
public boolean isFormatRecognized(byte[] header) {
return ((header[0] == 'G') &&
(header[1] == 'I') &&
(header[2] == 'F') &&
(header[3] == '8'));
}
}
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