119 lines
4.0 KiB
Objective-C
119 lines
4.0 KiB
Objective-C
//
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// SCFeatureTapToFocusImpl.m
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// SCCamera
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//
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// Created by Michel Loenngren on 4/5/18.
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//
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#import "SCFeatureTapToFocusAndExposureImpl.h"
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#import "SCCameraTweaks.h"
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#import "SCCapturer.h"
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#import "SCFeatureContainerView.h"
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#import "SCTapAnimationView.h"
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#import <SCFoundation/SCLog.h>
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#import <SCFoundation/SCTraceODPCompatible.h>
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@interface SCFeatureTapToFocusAndExposureImpl ()
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@property (nonatomic, weak) id<SCCapturer> capturer;
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@property (nonatomic, weak) UIView<SCFeatureContainerView> *containerView;
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@property (nonatomic) BOOL userTappedToFocusAndExposure;
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@property (nonatomic) NSArray<id<SCFeatureCameraTapCommand>> *commands;
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@end
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@implementation SCFeatureTapToFocusAndExposureImpl
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- (instancetype)initWithCapturer:(id<SCCapturer>)capturer commands:(NSArray<id<SCFeatureCameraTapCommand>> *)commands
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{
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if (self = [super init]) {
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_capturer = capturer;
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_commands = commands;
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}
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return self;
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}
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- (void)reset
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{
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SC_GUARD_ELSE_RETURN(_userTappedToFocusAndExposure);
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_userTappedToFocusAndExposure = NO;
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[_capturer continuousAutofocusAndExposureAsynchronouslyWithCompletionHandler:nil context:SCCapturerContext];
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}
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#pragma mark - SCFeature
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- (void)configureWithView:(UIView<SCFeatureContainerView> *)view
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{
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SCTraceODPCompatibleStart(2);
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_containerView = view;
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}
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- (void)forwardCameraOverlayTapGesture:(UIGestureRecognizer *)gestureRecognizer
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{
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SCTraceODPCompatibleStart(2);
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CGPoint point = [gestureRecognizer locationInView:gestureRecognizer.view];
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@weakify(self);
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[_capturer convertViewCoordinates:[gestureRecognizer locationInView:_containerView]
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completionHandler:^(CGPoint pointOfInterest) {
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@strongify(self);
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SC_GUARD_ELSE_RETURN(self);
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SCLogCameraFeatureInfo(@"Tapped to focus: %@", NSStringFromCGPoint(pointOfInterest));
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[self _applyTapCommands:pointOfInterest];
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[self _showTapAnimationAtPoint:point forGesture:gestureRecognizer];
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}
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context:SCCapturerContext];
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}
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#pragma mark - Private helpers
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- (void)_applyTapCommands:(CGPoint)pointOfInterest
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{
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SCTraceODPCompatibleStart(2);
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for (id<SCFeatureCameraTapCommand> command in _commands) {
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[command execute:pointOfInterest capturer:_capturer];
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}
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self.userTappedToFocusAndExposure = YES;
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}
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- (void)_showTapAnimationAtPoint:(CGPoint)point forGesture:(UIGestureRecognizer *)gestureRecognizer
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{
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SCTraceODPCompatibleStart(2);
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SC_GUARD_ELSE_RETURN([self.containerView isTapGestureRecognizer:gestureRecognizer])
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SCTapAnimationView *tapAnimationView = [SCTapAnimationView tapAnimationView];
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[_containerView addSubview:tapAnimationView];
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tapAnimationView.center = point;
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[tapAnimationView showWithCompletion:^(SCTapAnimationView *view) {
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[view removeFromSuperview];
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}];
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}
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@end
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@implementation SCFeatureCameraFocusTapCommand
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- (void)execute:(CGPoint)pointOfInterest capturer:(id<SCCapturer>)capturer
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{
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[capturer setAutofocusPointOfInterestAsynchronously:pointOfInterest
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completionHandler:nil
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context:SCCapturerContext];
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}
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@end
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@implementation SCFeatureCameraExposureTapCommand
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- (void)execute:(CGPoint)pointOfInterest capturer:(id<SCCapturer>)capturer
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{
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[capturer setExposurePointOfInterestAsynchronously:pointOfInterest
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fromUser:YES
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completionHandler:nil
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context:SCCapturerContext];
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}
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@end
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@implementation SCFeatureCameraPortraitTapCommand
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- (void)execute:(CGPoint)pointOfInterest capturer:(id<SCCapturer>)capturer
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{
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[capturer setPortraitModePointOfInterestAsynchronously:pointOfInterest
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completionHandler:nil
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context:SCCapturerContext];
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}
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@end
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