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/*
* @(#)JPEGFlip.java 1.27 06/08/29
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* -Redistribution of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* -Redistribution 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.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING
* ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
* OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN")
* AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE
* AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST
* REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,
* INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY
* OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,
* EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/
/*
* @(#)JPEGFlip.java 1.27 06/08/29
*/
package java2d.demos.Images;
import static java.awt.Color.*;
import java.awt.*;
import com.sun.image.codec.jpeg.*;
import java.awt.image.BufferedImage;
import java.awt.image.DataBuffer;
import java.awt.geom.GeneralPath;
import java.io.*;
import java2d.Surface;
/**
* Render a filled star & duke into a BufferedImage, save the BufferedImage
* as a JPEG, display the BufferedImage, using the decoded JPEG BufferedImage
* DataBuffer flip the elements, display the JPEG flipped BufferedImage.
*/
public class JPEGFlip extends Surface {
private static Image img;
public JPEGFlip() {
setBackground(WHITE);
img = getImage("duke.gif");
}
public void render(int w, int h, Graphics2D g2) {
int hh = h/2;
BufferedImage bi = new BufferedImage(w, hh, BufferedImage.TYPE_INT_RGB);
Graphics2D big = bi.createGraphics();
// .. use rendering hints from J2DCanvas ..
big.setRenderingHints(g2.getRenderingHints());
big.setBackground(getBackground());
big.clearRect(0, 0, w, hh);
big.setColor(GREEN.darker());
GeneralPath p = new GeneralPath(GeneralPath.WIND_NON_ZERO);
p.moveTo(- w / 2.0f, - hh / 8.0f);
p.lineTo(+ w / 2.0f, - hh / 8.0f);
p.lineTo(- w / 4.0f, + hh / 2.0f);
p.lineTo(+ 0.0f, - hh / 2.0f);
p.lineTo(+ w / 4.0f, + hh / 2.0f);
p.closePath();
big.translate(w/2, hh/2);
big.fill(p);
int iw = img.getWidth(this);
int ih = img.getHeight(this);
if (hh < ih * 1.5)
ih = (int) (ih * ((hh / (ih*1.5))));
big.drawImage(img, -img.getWidth(this)/2, -ih/2, iw, ih, this);
g2.drawImage(bi, 0, 0, this);
g2.setFont(new Font("Dialog", Font.PLAIN, 10));
g2.setColor(BLACK);
g2.drawString("BufferedImage", 4, 12);
BufferedImage bi1 = null;
try {
// To write the jpeg to a file uncomment the File* lines and
// comment out the ByteArray*Stream lines.
//File file = new File("images", "test.jpg");
//FileOutputStream out = new FileOutputStream(file);
ByteArrayOutputStream out = new ByteArrayOutputStream();
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bi);
param.setQuality(1.0f, false);
encoder.setJPEGEncodeParam(param);
encoder.encode(bi);
//FileInputStream in = new FileInputStream(file);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
JPEGImageDecoder decoder = JPEGCodec.createJPEGDecoder(in);
bi1 = decoder.decodeAsBufferedImage();
} catch (Exception ex) {
g2.setColor(RED);
g2.drawString("write permissions on images/test.jpg?", 5, hh*2-5);
return;
}
if (bi1 == null) {
g2.setColor(RED);
g2.drawString("decodeAsBufferedImage=null", 5, hh*2-5);
return;
}
BufferedImage bi2 = new BufferedImage(bi1.getWidth(),bi1.getHeight(),bi1.getType());
DataBuffer db1 = bi1.getRaster().getDataBuffer();
DataBuffer db2 = bi2.getRaster().getDataBuffer();
for (int i = db1.getSize()-1, j = 0; i >= 0; --i, j++) {
db2.setElem(j, db1.getElem(i));
}
g2.drawImage(bi2, 0, hh, this);
g2.drawString("JPEGImage Flipped", 4, hh*2-4);
g2.drawLine(0, hh, w, hh);
}
public static void main(String s[]) {
createDemoFrame(new JPEGFlip());
}
}
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