From 49c614280fbfdf2ef922d355f6fcf6bdfed4f757 Mon Sep 17 00:00:00 2001
From: Prianka Liz Kariat <prianka.kariat@ymedialabs.com>
Date: Fri, 7 Apr 2023 00:58:53 +0530
Subject: [PATCH] Added MPPGestureRecognizerOptions

---
 .../tasks/ios/vision/gesture_recognizer/BUILD | 11 +++
 .../sources/MPPGestureRecognizerOptions.h     | 70 +++++++++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100644 mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerOptions.h

diff --git a/mediapipe/tasks/ios/vision/gesture_recognizer/BUILD b/mediapipe/tasks/ios/vision/gesture_recognizer/BUILD
index c34b09654..1c6f0eeeb 100644
--- a/mediapipe/tasks/ios/vision/gesture_recognizer/BUILD
+++ b/mediapipe/tasks/ios/vision/gesture_recognizer/BUILD
@@ -27,3 +27,14 @@ objc_library(
     ],
 )
 
+objc_library(
+    name = "MPPGestureRecognizerOptions",
+    srcs = ["sources/MPPGestureRecognizerOptions.m"],
+    hdrs = ["sources/MPPGestureRecognizerOptions.h"],
+    deps = [
+        ":MPPGestureRecognizerResult",
+        "//mediapipe/tasks/ios/components/processors:MPPClassifierOptions",
+        "//mediapipe/tasks/ios/core:MPPTaskOptions",
+        "//mediapipe/tasks/ios/vision/core:MPPRunningMode",
+    ],
+)
diff --git a/mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerOptions.h b/mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerOptions.h
new file mode 100644
index 000000000..5c7462201
--- /dev/null
+++ b/mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerOptions.h
@@ -0,0 +1,70 @@
+// 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>
+
+#import "mediapipe/tasks/ios/components/processors/sources/MPPClassifierOptions.h"
+#import "mediapipe/tasks/ios/core/sources/MPPTaskOptions.h"
+#import "mediapipe/tasks/ios/vision/core/sources/MPPRunningMode.h"
+#import "mediapipe/tasks/ios/vision/gesture_recognizer/sources/MPPGestureRecognizerResult.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/** Options for setting up a `MPPGestureRecognizer`. */
+NS_SWIFT_NAME(GestureRecognizerOptions)
+@interface MPPGestureRecognizerOptions : MPPTaskOptions <NSCopying>
+
+@property(nonatomic) MPPRunningMode runningMode;
+
+/**
+ * The user-defined result callback for processing live stream data. The result callback should only
+ * be specified when the running mode is set to the live stream mode.
+ * TODO: Add parameter `MPPImage` in the callback.
+ */
+@property(nonatomic, copy) void (^completion)
+    (MPPGestureRecognizerResult *result, NSInteger timestampMs, NSError *error);
+
+/** Sets the maximum number of hands can be detected by the GestureRecognizer. */
+@property(nonatomic) NSInteger numHands;
+
+/** Sets minimum confidence score for the hand detection to be considered successful */
+@property(nonatomic) float minHandDetectionConfidence;
+
+/** Sets minimum confidence score of hand presence score in the hand landmark detection. */
+@property(nonatomic) float minHandPresenceConfidence;
+
+/** Sets the minimum confidence score for the hand tracking to be considered successful. */
+@property(nonatomic) float minTrackingConfidence;
+
+/**
+ * Sets the optional `MPPClassifierOptions` controlling the canned gestures classifier, such as
+ * score threshold, allow list and deny list of gestures. The categories for canned gesture
+ * classifiers are: ["None", "Closed_Fist", "Open_Palm", "Pointing_Up", "Thumb_Down", "Thumb_Up",
+ * "Victory", "ILoveYou"].
+ *
+ * TODO:  Note this option is subject to change, after scoring merging calculator is implemented.
+ */
+@property(nonatomic, copy) MPPClassifierOptions *cannedGesturesClassifierOptions;
+
+/**
+ * Sets the optional {@link ClassifierOptions} controlling the custom gestures classifier, such as
+ * score threshold, allow list and deny list of gestures.
+ *
+ * TODO:  Note this option is subject to change, after scoring merging calculator is implemented.
+ */
+@property(nonatomic, copy) MPPClassifierOptions *customGesturesClassifierOptions;
+
+@end
+
+NS_ASSUME_NONNULL_END