The drop shadow filter's size could indeed be calculated with a higher accuracy. The 1.5x1.5 dimension is not appropriate for low blurs (too much empty space) nor for high values (imaged clipped).
The drop shadow filter's size could indeed be calculated with a higher accuracy. The 1.5x1.5 dimension is not appropriate for low blurs (too much empty space) nor for high values (imaged clipped).