Added MPPHandLandmark

mediapipe/tasks/ios/vision/hand_landmarker/BUILD

@@ -55,3 +55,8 @@ objc_library(
     ],
 )
 
+objc_library(
+    name = "MPPHandLandmark",
+    hdrs = ["sources/MPPHandLandmark.h"],
+    module_name = "MPPHandLandmark",
+)

mediapipe/tasks/ios/vision/hand_landmarker/sources/MPPHandLandmark.h

@@ -0,0 +1,65 @@
+// Copyright 2023 The MediaPipe Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ * The enum containing the 21 hand landmarks.
+ */
+typedef NS_ENUM(NSUInteger, MPPHandLandmark) {
+  MPPHandLandmarkWrist,
+
+  MPPHandLandmarkThumbCMC,
+
+  MPPHandLandmarkThumbMCP,
+
+  MPPHandLandmarkThumbIP,
+
+  MPPHandLandmarkIndexFingerMCP,
+
+  MPPHandLandmarkIndexFingerPIP,
+
+  MPPHandLandmarkIndexFingerDIP,
+
+  MPPHandLandmarkIndexFingerTIP,
+
+  MPPHandLandmarkMiddleFingerMCP,
+
+  MPPHandLandmarkMiddleFingerPIP,
+
+  MPPHandLandmarkMiddleFingerDIP,
+
+  MPPHandLandmarkMiddleFingerTIP,
+
+  MPPHandLandmarkRingFingerMCP,
+
+  MPPHandLandmarkRingFingerPIP,
+
+  MPPHandLandmarkRingFingerDIP,
+
+  MPPHandLandmarkRingFingerTIP,
+
+  MPPHandLandmarkPinkyMCP,
+
+  MPPHandLandmarkPinkyPIP,
+
+  MPPHandLandmarkPinkyDIP,
+
+  MPPHandLandmarkPinkyTIP,
+
+} NS_SWIFT_NAME(HandLandmark);
+
+NS_ASSUME_NONNULL_END