// Otherwise the 'gaussian' blur type is random.
Color() :a_(0), r_(0), g_(0), b_(0) { }
Color(const value_type &f) :a_(f),r_(f), g_(f), b_(f) { }
// Otherwise the 'gaussian' blur type is random.
Color() :a_(0), r_(0), g_(0), b_(0) { }
Color(const value_type &f) :a_(f),r_(f), g_(f), b_(f) { }