gdkRectangleIntersect: gdkRectangleIntersect
Description
Calculates the intersection of two rectangles. It is allowed for
dest
to be the same as either src1
or src2
. If the rectangles
do not intersect, dest
's width and height is set to 0 and its x
and y values are undefined. If you are only interested in whether
the rectangles intersect, but not in the intersecting area itself,
pass NULL
for dest
.Usage
gdkRectangleIntersect(src1, src2)
Value
A list containing the following elements:
- retval
- [logical]
TRUE
if the rectangles intersect. dest
- return location for the intersection of
src1
and src2
, or NULL
. [ allow-none ]