Added iOS hand landmarker options helpers

mediapipe/tasks/ios/vision/hand_landmarker/utils/BUILD

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+# 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.
+
+package(default_visibility = ["//mediapipe/tasks:internal"])
+
+licenses(["notice"])
+
+objc_library(
+    name = "MPPHandLandmarkerOptionsHelpers",
+    srcs = ["sources/MPPHandLandmarkerOptions+Helpers.mm"],
+    hdrs = ["sources/MPPHandLandmarkerOptions+Helpers.h"],
+    deps = [
+        "//mediapipe/framework:calculator_options_cc_proto",
+        "//mediapipe/tasks/cc/vision/hand_detector/proto:hand_detector_graph_options_cc_proto",
+        "//mediapipe/tasks/cc/vision/hand_landmarker/proto:hand_landmarker_graph_options_cc_proto",
+        "//mediapipe/tasks/cc/vision/hand_landmarker/proto:hand_landmarks_detector_graph_options_cc_proto",
+        "//mediapipe/tasks/ios/common/utils:NSStringHelpers",
+        "//mediapipe/tasks/ios/core:MPPTaskOptionsProtocol",
+        "//mediapipe/tasks/ios/core/utils:MPPBaseOptionsHelpers",
+        "//mediapipe/tasks/ios/vision/hand_landmarker:MPPHandLandmarkerOptions",
+    ],
+)

mediapipe/tasks/ios/vision/hand_landmarker/utils/sources/MPPHandLandmarkerOptions+Helpers.h

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+// 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.
+
+#include "mediapipe/framework/calculator_options.pb.h"
+#import "mediapipe/tasks/ios/core/sources/MPPTaskOptionsProtocol.h"
+#import "mediapipe/tasks/ios/vision/hand_landmarker/sources/MPPHandLandmarkerOptions.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MPPHandLandmarkerOptions (Helpers) <MPPTaskOptionsProtocol>
+
+/**
+ * Populates the provided `CalculatorOptions` proto container with the current settings.
+ *
+ * @param optionsProto The `CalculatorOptions` proto object to copy the settings to.
+ */
+- (void)copyToProto:(::mediapipe::CalculatorOptions *)optionsProto;
+
+@end
+
+NS_ASSUME_NONNULL_END

mediapipe/tasks/ios/vision/hand_landmarker/utils/sources/MPPHandLandmarkerOptions+Helpers.mm

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+// 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 "mediapipe/tasks/ios/vision/hand_landmarker/utils/sources/MPPHandLandmarkerOptions+Helpers.h"
+
+#import "mediapipe/tasks/ios/common/utils/sources/NSString+Helpers.h"
+#import "mediapipe/tasks/ios/core/utils/sources/MPPBaseOptions+Helpers.h"
+
+#include "mediapipe/tasks/cc/vision/hand_detector/proto/hand_detector_graph_options.pb.h"
+#include "mediapipe/tasks/cc/vision/hand_landmarker/proto/hand_landmarker_graph_options.pb.h"
+#include "mediapipe/tasks/cc/vision/hand_landmarker/proto/hand_landmarks_detector_graph_options.pb.h"
+
+namespace {
+using CalculatorOptionsProto = mediapipe::CalculatorOptions;
+using HandLandmarkerGraphOptionsProto =
+    ::mediapipe::tasks::vision::hand_landmarker::proto::HandLandmarkerGraphOptions;
+using HandDetectorGraphOptionsProto =
+    ::mediapipe::tasks::vision::hand_detector::proto::HandDetectorGraphOptions;
+using HandLandmarksDetectorGraphOptionsProto =
+    ::mediapipe::tasks::vision::hand_landmarker::proto::HandLandmarksDetectorGraphOptions;
+}  // namespace
+
+@implementation MPPHandLandmarkerOptions (Helpers)
+
+- (void)copyToProto:(CalculatorOptionsProto *)optionsProto {
+  HandLandmarkerGraphOptionsProto *handLandmarkerGraphOptionsProto =
+      optionsProto
+          ->MutableExtension(HandLandmarkerGraphOptionsProto::ext)
+              handLandmarkerGraphOptionsProto->Clear();
+
+  [self.baseOptions copyToProto:gestureRecognizerGraphOptionsProto->mutable_base_options()
+              withUseStreamMode:self.runningMode != MPPRunningModeImage];
+
+  handLandmarkerGraphOptionsProto->set_min_tracking_confidence(self.minTrackingConfidence);
+
+  HandDetectorGraphOptionsProto *handDetectorGraphOptionsProto =
+      handLandmarkerGraphOptionsProto->mutable_hand_detector_graph_options();
+  handDetectorGraphOptionsProto->Clear();
+  handDetectorGraphOptionsProto->set_num_hands(self.numberOfHands);
+  handDetectorGraphOptionsProto->set_min_detection_confidence(self.minHandDetectionConfidence);
+
+  HandLandmarksDetectorGraphOptionsProto *handLandmarksDetectorGraphOptionsProto =
+      handLandmarkerGraphOptionsProto->mutable_hand_landmarks_detector_graph_options();
+  handLandmarksDetectorGraphOptionsProto->Clear();
+  handLandmarksDetectorGraphOptionsProto->set_min_detection_confidence(
+      self.minHandPresenceConfidence);
+}
+
+@end