Copying Images to a Clipboard
As we have seen, manipulating clipboards is relatively straightforward. Perhaps the most difficult aspect of the clipboard/data transfer mechanism is copying data other than text to a clipboard, and even that is not rocket science, especially once you get you've gotten the hang of it.
ImageSelection—A Transferable for Encapsulating Images
The first order of business is to develop a class that implements Transferable and encapsulates an image. Our first version of such a class will offer a lone data flavor for representing the image—java.awt.Image. A little later on, we'll add another data flavor for good measure.
We'll follow the naming convention established by StringSelection and name our class ImageSelection
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