Add initial support for Wacom DTU-1141

OpenTabletDriver.Configurations/Configurations/Wacom/DTU-1141.json

@@ -0,0 +1,29 @@
+{
+  "Name": "Wacom DTU-1141",
+  "Specifications": {
+    "Digitizer": {
+      "Width": 234.66,
+      "Height": 131.99,
+      "MaxX": 23672,
+      "MaxY": 13403
+    },
+    "Pen": {
+      "MaxPressure": 1023,
+      "ButtonCount": 1
+    },
+    "AuxiliaryButtons": {
+      "ButtonCount": 4
+    }
+  },
+  "DigitizerIdentifiers": [
+    {
+      "VendorID": 1386,
+      "ProductID": 822,
+      "InputReportLength": 64,
+      "ReportParser": "OpenTabletDriver.Configurations.Parsers.Wacom.DTU.DTUReportParser",
+      "FeatureInitReport": [
+        "AgI="
+      ]
+    }
+  ]
+}

OpenTabletDriver.Configurations/Parsers/Wacom/DTU/DTUAuxReport.cs

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+using OpenTabletDriver.Tablet;
+
+namespace OpenTabletDriver.Configurations.Parsers.Wacom.DTU
+{
+    public struct DTUAuxReport : IAuxReport
+    {
+        public DTUAuxReport(byte[] report)
+        {
+            Raw = report;
+
+            var auxByte = report[1];
+            AuxButtons = new bool[]
+            {
+                auxByte.IsBitSet(0),
+                auxByte.IsBitSet(1),
+                auxByte.IsBitSet(2),
+                auxByte.IsBitSet(3),
+                auxByte.IsBitSet(4),
+                auxByte.IsBitSet(5),
+                auxByte.IsBitSet(6),
+                auxByte.IsBitSet(7),
+            };
+        }
+
+        public byte[] Raw { set; get; }
+        public bool[] AuxButtons { set; get; }
+    }
+}

OpenTabletDriver.Configurations/Parsers/Wacom/DTU/DTUReport.cs

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+using System;
+using System.Buffers.Binary;
+using System.Numerics;
+using System.Runtime.CompilerServices;
+using OpenTabletDriver.Tablet;
+
+namespace OpenTabletDriver.Configurations.Parsers.Wacom.DTU
+{
+    public struct DTUReport : ITabletReport
+    {
+        public DTUReport(byte[] report)
+        {
+            Raw = report;
+
+            Position = new Vector2
+            {
+                X = BinaryPrimitives.ReadUInt16BigEndian(report.AsSpan(3, 4)),
+                Y = BinaryPrimitives.ReadUInt16BigEndian(report.AsSpan(5, 6))
+            };
+            Pressure = BinaryPrimitives.ReadUInt16BigEndian(report.AsSpan(1, 2)) & (uint)0x0FFFu;
+
+            var penByte = (byte)(report[1] >> 4);
+            // Bit 0 = Pen Tip
+            // Bit 1 = Pen Button 1
+            // Bit 2 = Pen Button 2
+            // Bit 3 = Hovering
+            PenButtons = new bool[]
+            {
+                penByte.IsBitSet(1),
+                penByte.IsBitSet(2)
+            };
+        }
+
+        public byte[] Raw { set; get; }
+        public Vector2 Position { set; get; }
+        public uint Pressure { set; get; }
+        public bool[] PenButtons { set; get; }
+    }
+}

OpenTabletDriver.Configurations/Parsers/Wacom/DTU/DTUReportParser.cs

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+using System;
+using OpenTabletDriver.Tablet;
+
+namespace OpenTabletDriver.Configurations.Parsers.Wacom.DTU
+{
+    public class DTUReportParser : IReportParser<IDeviceReport>
+    {
+        public virtual IDeviceReport Parse(byte[] data)
+        {
+            return data[0] switch
+            {
+                0x11 => new DTUReport(data),
+                0x15 => new DTUAuxReport(data),
+                _ => new DeviceReport(data)
+            };
+        }
+    }
+}