Check whether a rectangle is empty.
Source position: types.pp line 557
function IsRectEmpty( |
const Rect: TRectF |
):Boolean; |
const Rect: TRect |
):Boolean; |
IsRectEmpty returns true if the rectangle is empty, i.e. has a zero or negative width or height.
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Check whether a point is inside a rectangle. |
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Return the intersection of 2 rectangles. |
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Check whether a rectangle is empty. |
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Offset the rectangle. |
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Increase the rectangle in size, keeping it centered. |
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Return the size of the rectangle. |