public CGColor(CGConstantColor color)
{
var constant = color.GetConstant();
if (constant == null)
{
throw new ArgumentNullException(nameof(color));
}
handle = CGColorGetConstantColor(constant.Handle);
if (handle == IntPtr.Zero)
{
throw new ArgumentException(nameof(color));
}
CGColorRetain(handle);
}
static IntPtr Create(CGConstantColor color)
{
var constant = color.GetConstant();
if (constant is null)
{
throw new ArgumentNullException(nameof(color));
}
var handle = CGColorGetConstantColor(constant.Handle);
if (handle == IntPtr.Zero)
{
throw new ArgumentException(nameof(color));
}
CGColorRetain(handle);
return(handle);
}
public CGColor(CGConstantColor color)
: base(Create(color), true)
{
}
