Rotating an Image in java

graphics, java

Solution

Have a look at this example, using AffineTransform.

There's some code to load the image, then this is the core:

private Image image;
AffineTransform identity = new AffineTransform();

Graphics2D g2d = (Graphics2D)g;
AffineTransform trans = new AffineTransform();
trans.setTransform(identity);
trans.rotate( Math.toRadians(45) );
g2d.drawImage(image, trans, this);

Problem

I have an image of a Pan Card and when I try to rotate it by 45 degrees and save it, I get a cropped image. Code to rotate an image is: ``` BufferedImage dimg = new BufferedImage(w, h, img.getType()); Graphics2D g = dimg.createGraphics(); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, // Anti-alias! RenderingHints.VALUE_ANTIALIAS_ON); g.rotate(Math.toRadians(angle), w / 2, h / 2); g.drawImage(img, null, 0, 0); ```

Original source