using CPF.Mac.CoreFoundation;
using System;
using System.Runtime.InteropServices;

namespace CPF.Mac.CoreGraphics
{
	internal static class CGPDFString
	{
		[DllImport("/System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/CoreGraphics")]
		private static extern IntPtr CGPDFStringCopyTextString(IntPtr pdfStr);

		public static string ToString(IntPtr pdfString)
		{
			if (pdfString == IntPtr.Zero)
			{
				return null;
			}
			using (CFString cFString = new CFString(CGPDFStringCopyTextString(pdfString), owns: true))
			{
				return cFString.ToString();
			}
		}
	}
}
