{
if(!x.get_a())
return Color::alpha();
-
+
const float a(1.0f/x.get_a());
-
+
x.set_r(x.get_r()*a);
x.set_g(x.get_g()*a);
x.set_b(x.get_b()*a);
alpha_pen(const etl::alpha_pen< etl::generic_pen<Color, ColorAccumulator>, Color::value_type, _BlendFunc > &x):
etl::alpha_pen< etl::generic_pen<Color, ColorAccumulator>, Color::value_type, _BlendFunc >(x)
{ }
-
+
alpha_pen(const etl::generic_pen<Color, ColorAccumulator>& pen, const Color::value_type &a = 1, const _BlendFunc &func = _BlendFunc()):
etl::alpha_pen< etl::generic_pen<Color, ColorAccumulator>, Color::value_type, _BlendFunc >(pen,a,func)
{ }