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001   /**
002    * Creates an Image, then does multiple manipulations on
003    * it to demonstrate Java 2D image manipulation features.
004   **/
005   public void paint(Graphics g) {
006     Graphics2D g2d = (Graphics2D) g;
007 
008     //Again, let's set the antialiasing rendering hint on.
009     g2d.setRenderingHints(Graphics2D.ANTIALIASING,
010        Graphics2D.ANTIALIAS_ON);
011 
012     //Load the Image using the loadImage() helper method.  For this 
013     //example, I copied my JavaWorld column photo from:
014     //  http://www.javaworld.com/javaworld/icons/a-day.jpg
015     //for the image bits.  I assume that this image is on your local
016     //machine, in the directory from which you are running Example07.
017     //If you would like to use a different image or directory, load the
018     //image from another machine, or use a different access protocol, 
019     //change the following variables accordingly.
020     String imageProtocol = "file";
021     String imageMachine = "localhost";
022     String imageFilepath = "day.jpg";
023     Image myImage = loadImage(imageProtocol,imageMachine,imageFilepath);
024 
025     //Let's display a copy of our image at x=25, y=75.
026     AffineTransform at = new AffineTransform();
027     at.translate(25.0f,75.0f);
028     g2d.transform(at);
029 
030     //Note that we pass in an identity matrix as the default Image
031     //Space transform (the second parameter to drawImage).  The last
032     //parameter refers to the observer for this drawing operation, 
033     //in this case our instantiated Example07 object.
034     g2d.drawImage(myImage,new AffineTransform(),this);
035 
036     //Now, let's scale the image and display it to the right 
037     //of the original for comparison.  We first use setToTranslation
038     //so that we can reset the transform before adding our new 
039     //translation matrix, then we apply the scaling directly to the 
040     //Image Space, rather than scaling the entire User Space.
041     at.setToTranslation(100.0f,0.0f);
042     g2d.transform(at);
043     AffineTransform atImageSpace = new AffineTransform();
044     atImageSpace.scale(1.2f,1.2f);
045     g2d.drawImage(myImage,atImageSpace,this);
046 
047     //Now let's shear the image and re-display it so you can compare
048     //the sheared version with the previous two.  We re-use our
049     //previous User Space transform, while we re-set the Image Space
050     //transform to shear instead of scale myImage.
051     g2d.transform(at);
052     atImageSpace.setToShear(0.2f,0.1f);
053     g2d.drawImage(myImage,atImageSpace,this);
054   }

Try thisBy Anonymous on March 5, 2009, 11:37 amimport java.awt.RenderingHints; // Anti Aliasing RenderingHints rh = g.getRenderingHints(); rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); ...

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Compilation errorsBy Anonymous on March 3, 2009, 7:05 amImport, import java.awt.RenderingHints; and change: g2d.setRenderingHints(Graphics2D.ANTIALIASING,Graphics2D.ANTIALIAS_ON); to: g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VALUE_ANTIALIAS_ON);

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Compilation errorsBy Anonymous on November 16, 2008, 9:40 amExample05.java:67: cannot find symbol symbol : variable ANTIALIASING location: class java.awt.Graphics2D g2d.setRenderingHints(Graphics2D.ANTIALIASING, ...

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