Function two_point_conical

pub fn two_point_conical<'a>(
    start: impl Into<Point>,
    start_radius: f32,
    end: impl Into<Point>,
    end_radius: f32,
    colors: impl Into<GradientShaderColors<'a>>,
    pos: impl Into<Option<&'a [f32]>>,
    mode: SkTileMode,
    flags: impl Into<Option<Flags>>,
    local_matrix: impl Into<Option<&'a Matrix>>,
) -> Option<RCHandle<SkShader>>