UnionRect¶

Return the union of 2 rectangles.

Declaration¶

Source position: types.pp line 554

function UnionRect(var Rect: TRect; const R1: TRect; const R2: TRect)
                   : Boolean;

function UnionRect(var Rect: TRectF; const R1: TRectF; const R2: TRectF)
                   : Boolean;

function UnionRect(const R1: TRect; const R2: TRect) : TRect;

function UnionRect(const R1: TRectF; const R2: TRectF) : TRectF;

Description¶

UnionRect returns the rectangle that encompasses both R1 and R2 in Rect. It returns True if the resulting rectangle is not empty, False if the result is an empty rectangle (in which case the result is filled with zeroes)

See also¶

Name	Description
PtinRect	Check whether a point is inside a rectangle.
IntersectRect	Return the intersection of 2 rectangles.
IsRectEmpty	Check whether a rectangle is empty.
OffsetRect	Offset the rectangle.
InflateRect	Increase the rectangle in size, keeping it centered.
Size	Return the size of the rectangle.