Returns the four values representing a union of two rectangles.
graphics-ports
rectangle-union left-1 top-1 right-1 bottom-1 left-2 top-2 right-2 bottom-2 => left, top, right, bottom
| left-1⇩ | 
A real number. | 
| top-1⇩ | 
A real number. | 
| right-1⇩ | 
A real number. | 
| bottom-1⇩ | 
A real number. | 
| left-2⇩ | 
A real number. | 
| top-2⇩ | 
A real number. | 
| right-2⇩ | 
A real number. | 
| bottom-2⇩ | 
A real number. | 
| left | 
A real number. | 
| top | 
A real number. | 
| right | 
A real number. | 
| bottom | 
A real number. | 
The function rectangle-union returns four values: the left, top, right and bottom of the union of the two rectangles specified by (left-1 top-1 right-1 bottom-1) and (left-2 top-2 right-2 bottom-2). The values input for the two rectangles are ordered by this function before it uses them.
CAPI User Guide and Reference Manual (Unix version) - 01 Dec 2021 19:33:02