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     The getgtextvector subroutine gets the current orientation for font
     text output. The current orientation is used in calls to outgtext.
 
     The <x> and <y> arguments return the vector. The text-rotation
     options are shown below:
 
     (x, y)             Text Orientation
 
     (1, 0)             Horizontal text (default)
 
     (0, 1)             Rotated 90 degrees counterclockwise
 
     (-1, 0)            Rotated 180 degrees
 
     (0, -1)            Rotated 270 degrees counterclockwise
 
     Return Value
 
     None.
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