invertRectangle() [1/2]

void invertRectangle	(	int	X1,
		int	Y1,
		int	X2,
		int	Y2
	)

Inverts a rectangle.

The Not logic operator is applied to pixels inside the rectangle.

Parameters

X1	Top left horizontal coordinate.
Y1	Top left vertical coordiante.
X2	Bottom right horizontal coordinate.
Y2	Bottom right vertical coordiante.

Definition at line 296 of file canvas.cpp.