I am using drawimage method to draw a BufferedImage to another BufferedImage.
But got exceptions like:
java.lang.NoClassDefFoundError
at
sun.awt.motif.X11CachingSurfaceManager.isDestSurfaceAccelerated(X11CachingSurfac
eManager.java)
at
sun.awt.image.CachingSurfaceManager.getSourceSurfaceData(CachingSurfaceManager.j
ava)
at sun.java2d.SurfaceData.getSourceSurfaceData(SurfaceData.java)
at sun.java2d.pipe.DrawImage.renderImageCopy(DrawImage.java)
at sun.java2d.pipe.DrawImage.copyImage(DrawImage.java)
at sun.java2d.pipe.DrawImage.transformImage(DrawImage.java:973)
at sun.java2d.pipe.ValidatePipe.transformImage(ValidatePipe.java:220)
at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:2993)
my source code like:
Graphics2D g2d = (Graphics2D) watermarked_image.getGraphics();
//Create an alpha composite of 40%
float opacity = 0.4f;
AlphaComposite alpha =
AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacity);
g2d.setComposite(alpha);
g2d.drawImage(added_image, 0, 0, null);
g2d.dispose();
where watermarked_image and added_image are two BufferedImage.
Any one has idea?
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