When display the rotated result of the attached image (2 channels: gray + alpha; 8 + 8 bits, alpha is pre-multiplied) using the attached JAI program, an exception is thrown:

java.lang.ArrayIndexOutOfBoundsException
        at java.awt.image.ComponentColorModel.getRGBComponent(ComponentColorModel.java:321)
        at java.awt.image.ComponentColorModel.getRed(ComponentColorModel.java:430)
        at java.awt.image.ComponentColorModel.getRGB(ComponentColorModel.java:647)
        at sun.java2d.loops.OpaqueCopyAny.OpaqueBlit(CustomComponent.java:104)
        at sun.java2d.loops.RasterOutputManager.convertFrom(RasterOutputManager.java:1468)
        at sun.java2d.loops.RasterOutputManager.performBinaryComposite(RasterOutputManager.java:1372)
        at sun.java2d.loops.RasterOutputManager.compositeSrcDst(RasterOutputManager.java:710)
        at sun.java2d.loops.RasterOutputManager.renderImage(RasterOutputManager.java:479)
        at sun.java2d.SunGraphics2D.renderingPipeImage(SunGraphics2D.java:2232)
        at sun.java2d.SunGraphics2D.drawImage(SunGraphics2D.java:1761)
        at sun.awt.motif.X11Graphics.drawImage(X11Graphics.java:577)
        at sun.java2d.SunGraphics2D.drawRenderedImage(SunGraphics2D.java:1801)
        at javax.media.jai.widget.ImageCanvas.paint(ImageCanvas.java:433)
        at sun.awt.RepaintArea.paint(RepaintArea.java:298)
        at sun.awt.motif.MComponentPeer.handleEvent(MComponentPeer.java:349)
        at java.awt.Component.dispatchEventImpl(Component.java:2663)
        at java.awt.Component.dispatchEvent(Component.java:2497)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:339)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)