Operator overloading for scalar values. -: Adds to left and top, substracts from right and bottom. (Shrinks by amount) +: Subtracts from left and top, adds to right and bottom. (Grows by amount)
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Operator overloading for scalar values. -: Adds to left and top, substracts from right and bottom. (Shrinks by amount) +: Subtracts from left and top, adds to right and bottom. (Grows by amount)