public void SetFunctionsOpenType()

in binding/HarfBuzzSharp/Font.cs [294:340]
39 lines of code
9 McCabe index (conditional complexity)

		public void SetFunctionsOpenType () =>
			HarfBuzzApi.hb_ot_font_set_funcs (Handle);

		public void Shape (Buffer buffer, params Feature[] features) =>
			Shape (buffer, features, null);

		public void Shape (Buffer buffer, IReadOnlyList<Feature> features, IReadOnlyList<string> shapers)
		{
			if (buffer == null)
				throw new ArgumentNullException (nameof (buffer));

			if (buffer.Direction == Direction.Invalid)
				throw new InvalidOperationException ("Buffer's Direction must be valid.");

			if (buffer.ContentType != ContentType.Unicode) {
				throw new InvalidOperationException ("Buffer's ContentType must of type Unicode.");
			}

			void*[] shapersPtrs = null;
			if (shapers?.Count > 0) {
				shapersPtrs = new void*[shapers.Count + 1];
				int i;
				for (i = 0; i < shapers.Count; i++) {
					shapersPtrs[i] = (void*)Marshal.StringToHGlobalAnsi (shapers[i]);
				}
				shapersPtrs[i] = null;
			}

			var featuresArray = features?.ToArray ();

			fixed (Feature* fPtr = featuresArray)
			fixed (void** sPtr = shapersPtrs) {
				HarfBuzzApi.hb_shape_full (
					Handle,
					buffer.Handle,
					fPtr,
					(uint)(features?.Count ?? 0),
					sPtr);
			}

			if (shapersPtrs != null) {
				for (var i = 0; i < shapersPtrs.Length; i++) {
					if (shapersPtrs[i] != null)
						Marshal.FreeHGlobal ((IntPtr)shapersPtrs[i]);
				}
			}
		}