Design a Tartan
The top color bar is the thread pattern used to weave the tartan.
This pattern is changed by selecting colors from the color bar
on the left and painting them in the pattern. The size of the
pattern is changed by clicking on the size button and then using
the mouse to define the right limit.
Actual tartan patterns can be selected by clicking on the List
button and then clicking on a displayed clan name.
The Draw button will weave the tartan from the thread pattern.
The Find button will search for a listed tartan that best matches
the current thread pattern,The match, when found, is indicated
by a selection in the tartan list box.
The Back button restores the thread pattern to the last one painted
before a list selection.