The shaper must return the raw uint

source/SkiaSharp.HarfBuzz/SkiaSharp.HarfBuzz.Shared/CanvasExtensions.cs

@@ -31,7 +31,8 @@ namespace SkiaSharp.HarfBuzz
 				paintClone.TextEncoding = SKTextEncoding.GlyphId;
 				paintClone.Typeface = shaper.Typeface;
 
-				canvas.DrawPositionedText(result.Codepoints, result.Points, paintClone);
+				var bytes = result.Codepoints.Select(cp => BitConverter.GetBytes((ushort)cp)).SelectMany(b => b).ToArray();
+				canvas.DrawPositionedText(bytes, result.Points, paintClone);
 			}
 		}
 	}

source/SkiaSharp.HarfBuzz/SkiaSharp.HarfBuzz.Shared/SKShaper.cs

@@ -78,11 +78,11 @@ namespace SkiaSharp.HarfBuzz
 
 			var points = new SKPoint[len];
 			var clusters = new uint[len];
-			var codepointsTemp = new byte[len][];
+			var codepoints = new uint[len];
 
 			for (var i = 0; i < len; i++)
 			{
-				codepointsTemp[i] = BitConverter.GetBytes((ushort)info[i].Codepoint);
+				codepoints[i] = info[i].Codepoint;
 
 				clusters[i] = info[i].Cluster;
 
@@ -95,8 +95,6 @@ namespace SkiaSharp.HarfBuzz
 				yOffset += pos[i].YAdvance * textSizeY;
 			}
 
-			var codepoints = codepointsTemp.SelectMany(cp => cp).ToArray();
-
 			return new Result(codepoints, clusters, points);
 		}
 
@@ -104,19 +102,19 @@ namespace SkiaSharp.HarfBuzz
 		{
 			public Result()
 			{
-				Codepoints = new byte[0];
+				Codepoints = new uint[0];
 				Clusters = new uint[0];
 				Points = new SKPoint[0];
 			}
 
-			public Result(byte[] codepoints, uint[] clusters, SKPoint[] points)
+			public Result(uint[] codepoints, uint[] clusters, SKPoint[] points)
 			{
 				Codepoints = codepoints;
 				Clusters = clusters;
 				Points = points;
 			}
 
-			public byte[] Codepoints { get; private set; }
+			public uint[] Codepoints { get; private set; }
 
 			public uint[] Clusters { get; private set; }
 

tests/Tests/SKShaperTest.cs

@@ -38,7 +38,7 @@ namespace HarfBuzzSharp.Tests
 		public void CorrectlyShapesArabicScriptAtAnOffset()
 		{
 			var clusters = new uint[] { 4, 2, 0 };
-			var codepoints = new byte[] { 230, 3, 152, 3, 227, 3 };
+			var codepoints = new uint[] { 998, 920, 995 };
 			var points = new SKPoint[] { new SKPoint(100, 200), new SKPoint(148.25f, 200), new SKPoint(170.75f, 200) };
 
 			using (var tf = SKTypeface.FromFamilyName("Tahoma"))
@@ -57,7 +57,7 @@ namespace HarfBuzzSharp.Tests
 		public void CorrectlyShapesArabicScript()
 		{
 			var clusters = new uint[] { 4, 2, 0 };
-			var codepoints = new byte[] { 230, 3, 152, 3, 227, 3 };
+			var codepoints = new uint[] { 998, 920, 995 };
 			var points = new SKPoint[] { new SKPoint(0, 0), new SKPoint(48.25f, 0), new SKPoint(70.75f, 0) };
 
 			using (var tf = SKTypeface.FromFamilyName("Tahoma"))