vectorWithX:Y:Z:W:
Create a Core Image vector object that is initialized with four values.
Declaration
+ (instancetype) vectorWithX:(CGFloat) x Y:(CGFloat) y Z:(CGFloat) z W:(CGFloat) w;Parameters
- x:
The value for the first position in the vector.
- y:
The value for the second position in the vector.
- z:
The value for the third position in the vector.
- w:
The value for the forth position in the vector.
Return Value
An autoreleased CIVector object of length 4.