2014 snapchat source code
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//
// SCCaptureFaceDetectionParser.h
// Snapchat
//
// Created by Jiyang Zhu on 3/13/18.
// Copyright © 2018 Snapchat, Inc. All rights reserved.
//
// This class offers methods to parse face bounds from raw data, e.g., AVMetadataObject, CIFeature.
#import <SCBase/SCMacros.h>
#import <AVFoundation/AVFoundation.h>
#import <CoreImage/CoreImage.h>
@interface SCCaptureFaceDetectionParser : NSObject
SC_INIT_AND_NEW_UNAVAILABLE;
- (instancetype)initWithFaceBoundsAreaThreshold:(CGFloat)minimumArea;
/**
Parse face bounds from AVMetadataObject.
@param metadataObjects An array of AVMetadataObject.
@return A dictionary, value is faceBounds: CGRect, key is faceID: NSString.
*/
- (NSDictionary<NSNumber *, NSValue *> *)parseFaceBoundsByFaceIDFromMetadataObjects:
(NSArray<__kindof AVMetadataObject *> *)metadataObjects;
/**
Parse face bounds from CIFeature.
@param features An array of CIFeature.
@param imageSize Size of the image, where the feature are detected from.
@param imageOrientation Orientation of the image.
@return A dictionary, value is faceBounds: CGRect, key is faceID: NSString.
*/
- (NSDictionary<NSNumber *, NSValue *> *)parseFaceBoundsByFaceIDFromCIFeatures:(NSArray<__kindof CIFeature *> *)features
withImageSize:(CGSize)imageSize
imageOrientation:
(CGImagePropertyOrientation)imageOrientation;
@end