public static CGShading CreateAxial(CGColorSpace colorspace, CGPoint start, CGPoint end, CGFunction function, bool extendStart, bool extendEnd)
{
if (colorspace is null)
{
throw new ArgumentNullException(nameof(colorspace));
}
if (function is null)
{
throw new ArgumentNullException(nameof(function));
}
return(new CGShading(CGShadingCreateAxial(colorspace.GetCheckedHandle(), start, end, function.GetCheckedHandle(), extendStart, extendEnd), true));
}
static IntPtr Create(CGColorSpace colorspace, nfloat [] components, nfloat []?locations)
{
// those parameters are __nullable but would return a `nil` instance back,
// which is not something we can handle nicely from a .NET constructor
if (colorspace is null)
{
throw new ArgumentNullException(nameof(colorspace));
}
if (components is null)
{
throw new ArgumentNullException(nameof(components));
}
return(CGGradientCreateWithColorComponents(colorspace.GetCheckedHandle(), components, locations, components.Length / (colorspace.Components + 1)));
}
