The function sets the foreground, background, plane mask, and function components for the specified GC.
can generate and errors.
sets a specified value in the specified GC.
can generate and errors.
The function sets the plane mask in the specified GC.
can generate and errors.
The function sets the foreground in the specified GC.
can generate and errors.
The function sets the background in the specified GC.
can generate and errors.