Modifies a rectangle to be a union of itself and another rectangle.
graphics-ports
union-rectangle rectangle left top right bottom => rectangle
rectangle⇩ |
A rectangle. |
left⇩ |
A real number. |
top⇩ |
A real number. |
right⇩ |
A real number. |
bottom⇩ |
A real number. |
rectangle |
A rectangle. |
The macro union-rectangle
modifies rectangle to be the union of rectangle and the rectangle specified by (left top right bottom).
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:33:02