From 79c8cfb7307a961854288abbf5467a000ff64bca Mon Sep 17 00:00:00 2001
From: Prianka Liz Kariat <prianka.kariat@ymedialabs.com>
Date: Thu, 6 Apr 2023 21:39:56 +0530
Subject: [PATCH] Added MPPObjectDetectorOptionsHelpers

---
 .../ios/vision/object_detector/utils/BUILD    | 32 +++++++++++
 .../MPPObjectDetectorOptions+Helpers.h        | 32 +++++++++++
 .../MPPObjectDetectorOptions+Helpers.mm       | 54 +++++++++++++++++++
 3 files changed, 118 insertions(+)
 create mode 100644 mediapipe/tasks/ios/vision/object_detector/utils/BUILD
 create mode 100644 mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.h
 create mode 100644 mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.mm

diff --git a/mediapipe/tasks/ios/vision/object_detector/utils/BUILD b/mediapipe/tasks/ios/vision/object_detector/utils/BUILD
new file mode 100644
index 000000000..78b3c286e
--- /dev/null
+++ b/mediapipe/tasks/ios/vision/object_detector/utils/BUILD
@@ -0,0 +1,32 @@
+# Copyright 2023 The MediaPipe Authors. All Rights Reserved.
+#
+# 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 = "MPPObjectDetectorOptionsHelpers",
+    srcs = ["sources/MPPObjectDetectorOptions+Helpers.mm"],
+    hdrs = ["sources/MPPObjectDetectorOptions+Helpers.h"],
+    deps = [
+        "//mediapipe/framework:calculator_options_cc_proto",
+        "//mediapipe/tasks/cc/vision/object_detector/proto:object_detector_options_cc_proto",
+        "//mediapipe/tasks/ios/common/utils:NSStringHelpers",
+        "//mediapipe/tasks/ios/core:MPPTaskOptionsProtocol",
+        "//mediapipe/tasks/ios/core/utils:MPPBaseOptionsHelpers",
+        "//mediapipe/tasks/ios/vision/object_detector:MPPObjectDetectorOptions",
+    ],
+)
+
diff --git a/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.h b/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.h
new file mode 100644
index 000000000..150c4c71a
--- /dev/null
+++ b/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.h
@@ -0,0 +1,32 @@
+// 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/object_detector/sources/MPPObjectDetectorOptions.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MPPObjectDetectorOptions (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
diff --git a/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.mm b/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.mm
new file mode 100644
index 000000000..2966bf6c7
--- /dev/null
+++ b/mediapipe/tasks/ios/vision/object_detector/utils/sources/MPPObjectDetectorOptions+Helpers.mm
@@ -0,0 +1,54 @@
+// 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/object_detector/utils/sources/MPPObjectDetectorOptions+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/object_detector/proto/object_detector_options.pb.h"
+
+namespace {
+using CalculatorOptionsProto = ::mediapipe::CalculatorOptions;
+using ObjectDetectorOptionsProto =
+    ::mediapipe::tasks::vision::object_detector::proto::ObjectDetectorOptions;
+}  // namespace
+
+@implementation MPPObjectDetectorOptions (Helpers)
+
+- (void)copyToProto:(CalculatorOptionsProto *)optionsProto {
+  ObjectDetectorOptionsProto *graphOptions =
+      optionsProto->MutableExtension(ObjectDetectorOptionsProto::ext);
+
+  graphOptions->Clear();
+
+  [self.baseOptions copyToProto:graphOptions->mutable_base_options()];
+
+  if (self.displayNamesLocale) {
+    graphOptions->set_display_names_locale(self.displayNamesLocale.cppString);
+  }
+
+  graphOptions->set_max_results((int)self.maxResults);
+  graphOptions->set_score_threshold(self.scoreThreshold);
+
+  for (NSString *category in self.categoryAllowlist) {
+    graphOptions->add_category_allowlist(category.cppString);
+  }
+
+  for (NSString *category in self.categoryDenylist) {
+    graphOptions->add_category_denylist(category.cppString);
+  }
+}
+
+@end