Creating and Enriching Graphical User Interfaces - Beginning Java 7 - page 620

Thewidthandheightaresubsequentlyusedtoconstructa Dimension objectthat's
passed to setPreferredSize() . This preferred size will be taken into account
by sp.doLayout(); , which is executed following the call to ImageCanvas 's
setImage() method—see Listing 7-4 .
Figure 7-10 presents ImageViewer 's GUI with a loaded image.
Figure 7-10. Is it true that a rose by any other name would smell as sweet?
Note AWT also supports image processing. For example, you can grayscale a
coloredimage,bluranimage,andsoon.BecauseJava2Dsimplifiesimageprocessing,
andbecauseIintroduceyoutoJava2D'simageprocessingsupportlaterinthischapter,
I don't discuss AWT-based image processing.
Data Transfer
GUI-based applications often need to transfer data between or within themselves. For
example, atexteditor'susermaywanttocutselected texttothesystemclipboard and
subsequently paste the clipboard's text to another location within the document being
edited.