To create an image that duplicates another image, or that has a disabled or
a grayscale look, use the constructor that takes an Image and a flag:
Image image = new Image(display, otherImage, flag);
The possible values for flag.
ConstantDescription
SWT.IMAGE_COPYCreate an exact copy of the image
SWT.IMAGE_DISABLECreate an image that has a disabled look
SWT.IMAGE_GRAYCreate an image that has the grayscale look