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-
- 'segment.bas
- 'This program demonstrates the use of graphics
- 'segments. Five graphic segments are drawn, and
- 'then the second and fourth are deleted. Then
- 'the window is redrawn, causing the first, third,
- 'and fifth segments to be redrawn automatically.
-
- 'Open a graphics window
- open "segment demo" for graphics as #draw
- print #draw, "trapclose [quit]"
-
- 'Set up a large font and put the pen in the
- 'upper left corner
- print #draw, "font arial 20"
- print #draw, "place 10 25"
-
- 'Draw the words ONE, TWO, THREE, FOUR and FIVE
- 'each in its own segment (this is done with the
- 'flush command).
- print #draw, "\ONE"
- print #draw, "flush"
- print #draw, "\TWO"
- print #draw, "flush"
- print #draw, "\THREE"
- print #draw, "flush"
- print #draw, "\FOUR"
- print #draw, "flush"
- print #draw, "\FIVE"
- print #draw, "flush"
-
- 'Now delete the second and fourth segments, leaving
- 'only the drawn words ONE, THREE, and FIVE
- print #draw, "delsegment 2"
- print #draw, "delsegment 4"
-
- 'Now redraw so that the graphics will be displayed
- 'without the deleted segments.
- print #draw, "redraw"
-
- wait
-
- [quit]
- close #draw
- end
-