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Build ChatListUI
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Ali
552
submodules/LegacyComponents/Sources/TGPhotoAvatarCropView.m
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552
submodules/LegacyComponents/Sources/TGPhotoAvatarCropView.m
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#import "TGPhotoAvatarCropView.h"
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#import <LegacyComponents/LegacyComponents.h>
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#import <LegacyComponents/TGPhotoEditorUtils.h>
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#import <LegacyComponents/TGPhotoEditorAnimation.h>
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#import "TGPhotoEditorInterfaceAssets.h"
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const CGFloat TGPhotoAvatarCropViewOverscreenSize = 1000;
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@interface TGPhotoAvatarCropView () <UIScrollViewDelegate>
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{
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CGSize _originalSize;
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CGRect _cropRect;
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bool _cropMirrored;
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UIScrollView *_scrollView;
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UIView *_wrapperView;
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UIImageView *_imageView;
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UIView *_snapshotView;
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CGSize _snapshotSize;
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UIView *_topOverlayView;
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UIView *_leftOverlayView;
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UIView *_rightOverlayView;
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UIView *_bottomOverlayView;
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UIImageView *_areaMaskView;
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bool _imageReloadingNeeded;
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CGFloat _currentDiameter;
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}
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@end
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@implementation TGPhotoAvatarCropView
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- (instancetype)initWithOriginalSize:(CGSize)originalSize screenSize:(CGSize)screenSize
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{
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self = [super initWithFrame:CGRectZero];
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if (self != nil)
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{
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_originalSize = originalSize;
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CGFloat shortSide = MIN(originalSize.width, originalSize.height);
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_cropRect = CGRectMake((_originalSize.width - shortSide) / 2, (_originalSize.height - shortSide) / 2, shortSide, shortSide);
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_scrollView = [[UIScrollView alloc] initWithFrame:CGRectZero];
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_scrollView.alwaysBounceHorizontal = true;
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_scrollView.alwaysBounceVertical = true;
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_scrollView.clipsToBounds = false;
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_scrollView.contentSize = _originalSize;
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_scrollView.decelerationRate = UIScrollViewDecelerationRateFast;
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_scrollView.delegate = self;
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_scrollView.hidden = true;
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_scrollView.showsHorizontalScrollIndicator = false;
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_scrollView.showsVerticalScrollIndicator = false;
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_wrapperView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, _originalSize.width, _originalSize.height)];
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[_scrollView addSubview:_wrapperView];
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_imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, _wrapperView.frame.size.width, _wrapperView.frame.size.height)];
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_imageView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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[_wrapperView addSubview:_imageView];
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_topOverlayView = [[UIView alloc] initWithFrame:CGRectZero];
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_topOverlayView.backgroundColor = [TGPhotoEditorInterfaceAssets cropTransparentOverlayColor];
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_topOverlayView.userInteractionEnabled = false;
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[self addSubview:_topOverlayView];
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_leftOverlayView = [[UIView alloc] initWithFrame:CGRectZero];
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_leftOverlayView.backgroundColor = [TGPhotoEditorInterfaceAssets cropTransparentOverlayColor];
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_leftOverlayView.userInteractionEnabled = false;
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[self addSubview:_leftOverlayView];
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_rightOverlayView = [[UIView alloc] initWithFrame:CGRectZero];
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_rightOverlayView.backgroundColor = [TGPhotoEditorInterfaceAssets cropTransparentOverlayColor];
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_rightOverlayView.userInteractionEnabled = false;
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[self addSubview:_rightOverlayView];
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_bottomOverlayView = [[UIView alloc] initWithFrame:CGRectZero];
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_bottomOverlayView.backgroundColor = [TGPhotoEditorInterfaceAssets cropTransparentOverlayColor];
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_bottomOverlayView.userInteractionEnabled = false;
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[self addSubview:_bottomOverlayView];
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_areaMaskView = [[UIImageView alloc] initWithFrame:self.bounds];
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_areaMaskView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
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[self addSubview:_areaMaskView];
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[self updateCircleImageWithReferenceSize:screenSize];
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}
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return self;
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}
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- (void)updateCircleImageWithReferenceSize:(CGSize)referenceSize
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{
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CGFloat shortSide = MIN(referenceSize.width, referenceSize.height);
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CGFloat diameter = shortSide - [TGPhotoAvatarCropView areaInsetSize].width * 2;
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if (fabs(diameter - _currentDiameter) < DBL_EPSILON)
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return;
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_currentDiameter = diameter;
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UIGraphicsBeginImageContextWithOptions(CGSizeMake(diameter, diameter), false, 0.0f);
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CGContextRef context = UIGraphicsGetCurrentContext();
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CGContextSetFillColorWithColor(context, [TGPhotoEditorInterfaceAssets cropTransparentOverlayColor].CGColor);
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UIBezierPath *path = [UIBezierPath bezierPathWithOvalInRect:CGRectMake(0, 0, diameter, diameter)];
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[path appendPath:[UIBezierPath bezierPathWithRect:CGRectMake(0, 0, diameter, diameter)]];
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path.usesEvenOddFillRule = true;
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[path fill];
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UIImage *areaMaskImage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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_areaMaskView.image = areaMaskImage;
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}
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- (bool)isTracking
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{
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return _scrollView.isTracking;
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}
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#pragma mark - Setup
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- (void)setImage:(UIImage *)image
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{
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_image = image;
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_imageReloadingNeeded = true;
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if (_scrollView.isTracking)
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return;
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[self reloadImageIfNeeded];
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}
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- (void)reloadImageIfNeeded
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{
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if (!_imageReloadingNeeded)
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return;
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_imageReloadingNeeded = false;
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_imageView.image = _image;
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if (_snapshotView != nil && !_scrollView.hidden)
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{
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dispatch_async(dispatch_get_main_queue(), ^
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{
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[self fadeInImageView];
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});
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}
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}
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- (void)_replaceSnapshotImage:(UIImage *)image
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{
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if ([_snapshotView isKindOfClass:[UIImageView class]])
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((UIImageView *)_snapshotView).image = image;
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}
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- (void)setSnapshotImage:(UIImage *)snapshotImage
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{
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[_snapshotView removeFromSuperview];
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_imageView.alpha = 0.0f;
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_snapshotSize = snapshotImage.size;
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UIImageView *imageSnapshotView = [[UIImageView alloc] initWithImage:snapshotImage];
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_snapshotView = imageSnapshotView;
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[_wrapperView insertSubview:_snapshotView belowSubview:_imageView];
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}
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- (void)setSnapshotView:(UIView *)snapshotView
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{
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[_snapshotView removeFromSuperview];
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_imageView.alpha = 0.0f;
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_snapshotView = snapshotView;
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[_wrapperView insertSubview:_snapshotView belowSubview:_imageView];
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}
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#pragma mark - Rotation
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- (void)rotate90DegreesCCWAnimated:(bool)animated
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{
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self.cropOrientation = TGNextCCWOrientationForOrientation(self.cropOrientation);
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if (animated)
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{
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_isAnimating = true;
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CGFloat currentRotation = [[_scrollView.layer valueForKeyPath:@"transform.rotation.z"] floatValue];
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CGFloat targetRotation = TGRotationForOrientation(self.cropOrientation);
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if (fabs(currentRotation - targetRotation) > M_PI)
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targetRotation = -2 * (CGFloat)M_PI + targetRotation;
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POPSpringAnimation *rotationAnimation = [POPSpringAnimation animationWithPropertyNamed:kPOPLayerRotation];
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rotationAnimation.fromValue = @(currentRotation);
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rotationAnimation.toValue = @(targetRotation);
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rotationAnimation.springSpeed = 7;
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rotationAnimation.springBounciness = 1;
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rotationAnimation.completionBlock = ^(__unused POPAnimation *animation, BOOL finished)
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{
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if (finished)
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_isAnimating = false;
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};
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[_scrollView.layer pop_addAnimation:rotationAnimation forKey:@"rotation"];
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}
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else
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{
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_scrollView.transform = CGAffineTransformMakeRotation(TGRotationForOrientation(self.cropOrientation));
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}
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if (self.croppingChanged != nil)
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self.croppingChanged();
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}
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- (void)mirror
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{
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self.cropMirrored = !self.cropMirrored;
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if (self.croppingChanged != nil)
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self.croppingChanged();
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}
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- (void)resetAnimated:(bool)animated
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{
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_cropRect = [self _defaultCropRect];
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_cropOrientation = UIImageOrientationUp;
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if (animated)
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{
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_isAnimating = true;
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CGPoint targetContentOffset = CGPointMake(_cropRect.origin.x * _scrollView.minimumZoomScale,
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_cropRect.origin.y * _scrollView.minimumZoomScale);
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POPSpringAnimation *offsetAnimation = [POPSpringAnimation animationWithPropertyNamed:kPOPScrollViewContentOffset];
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offsetAnimation.fromValue = [NSValue valueWithCGPoint:_scrollView.contentOffset];
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offsetAnimation.toValue = [NSValue valueWithCGPoint:targetContentOffset];
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offsetAnimation.springSpeed = 7;
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offsetAnimation.springBounciness = 1;
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[_scrollView pop_addAnimation:offsetAnimation forKey:@"contentOffset"];
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POPSpringAnimation *zoomAnimation = [POPSpringAnimation animationWithPropertyNamed:kPOPScrollViewZoomScale];
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zoomAnimation.fromValue = @(_scrollView.zoomScale);
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zoomAnimation.toValue = @(_scrollView.minimumZoomScale);
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zoomAnimation.springSpeed = 7;
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zoomAnimation.springBounciness = 1;
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[_scrollView pop_addAnimation:zoomAnimation forKey:@"zoomScale"];
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POPSpringAnimation *rotationAnimation = [POPSpringAnimation animationWithPropertyNamed:kPOPLayerRotation];
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rotationAnimation.fromValue = (NSNumber *)[_scrollView.layer valueForKeyPath:@"transform.rotation.z"];
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rotationAnimation.toValue = @0;
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rotationAnimation.springSpeed = 7;
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rotationAnimation.springBounciness = 1;
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[_scrollView.layer pop_addAnimation:rotationAnimation forKey:@"rotation"];
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[TGPhotoEditorAnimation performBlock:^(bool allFinished)
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{
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if (allFinished)
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_isAnimating = false;
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} whenCompletedAllAnimations:@[ offsetAnimation, zoomAnimation, rotationAnimation ]];
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}
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else
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{
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_scrollView.transform = CGAffineTransformIdentity;
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[_scrollView zoomToRect:_cropRect animated:false];
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}
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if (self.croppingChanged != nil)
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self.croppingChanged();
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}
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- (CGRect)_defaultCropRect
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{
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CGFloat shortSide = MIN(_originalSize.width, _originalSize.height);
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return CGRectMake((_originalSize.width - shortSide) / 2, (_originalSize.height - shortSide) / 2, shortSide, shortSide);
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}
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#pragma mark - Scroll View
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- (void)scrollViewDidZoom:(UIScrollView *)__unused scrollView
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{
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[self adjustScrollView];
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}
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- (void)scrollViewDidEndZooming:(UIScrollView *)__unused scrollView withView:(UIView *)__unused view atScale:(CGFloat)__unused scale
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{
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[self adjustScrollView];
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[self _updateCropRect];
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if (self.croppingChanged != nil)
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self.croppingChanged();
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[self reloadImageIfNeeded];
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dispatch_async(dispatch_get_main_queue(), ^
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{
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if (self.interactionEnded != nil)
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self.interactionEnded();
|
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});
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}
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|
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- (void)scrollViewDidEndDragging:(UIScrollView *)__unused scrollView willDecelerate:(BOOL)decelerate
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{
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if (!decelerate)
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[self scrollViewDidEndDecelerating:scrollView];
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}
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- (void)scrollViewDidEndDecelerating:(UIScrollView *)__unused scrollView
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{
|
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_isAnimating = false;
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[self _updateCropRect];
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|
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if (self.croppingChanged != nil)
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self.croppingChanged();
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|
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[self reloadImageIfNeeded];
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dispatch_async(dispatch_get_main_queue(), ^
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{
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if (self.interactionEnded != nil)
|
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self.interactionEnded();
|
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});
|
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}
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|
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- (void)scrollViewWillBeginDecelerating:(UIScrollView *)__unused scrollView
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{
|
||||
_isAnimating = true;
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}
|
||||
|
||||
- (UIView *)viewForZoomingInScrollView:(UIScrollView *)__unused scrollView
|
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{
|
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return _wrapperView;
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}
|
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|
||||
- (void)adjustScrollView
|
||||
{
|
||||
CGSize imageSize = _originalSize;
|
||||
CGFloat imageScale = 1.0f;
|
||||
imageSize.width /= imageScale;
|
||||
imageSize.height /= imageScale;
|
||||
|
||||
CGSize boundsSize = _scrollView.bounds.size;
|
||||
|
||||
CGFloat scaleWidth = boundsSize.width / imageSize.width;
|
||||
CGFloat scaleHeight = boundsSize.height / imageSize.height;
|
||||
CGFloat minScale = MAX(scaleWidth, scaleHeight);
|
||||
|
||||
if (_scrollView.minimumZoomScale != minScale)
|
||||
_scrollView.minimumZoomScale = minScale;
|
||||
if (_scrollView.maximumZoomScale != minScale * 3.0f)
|
||||
_scrollView.maximumZoomScale = minScale * 3.0f;
|
||||
}
|
||||
|
||||
#pragma mark - Cropping
|
||||
|
||||
- (void)_updateCropRect
|
||||
{
|
||||
_cropRect = [_scrollView convertRect:_scrollView.bounds toView:_wrapperView];
|
||||
}
|
||||
|
||||
- (CGRect)cropRect
|
||||
{
|
||||
return _cropRect;
|
||||
}
|
||||
|
||||
- (void)setCropRect:(CGRect)cropRect
|
||||
{
|
||||
_cropRect = CGRectIntegral(cropRect);
|
||||
if (!CGRectIsEmpty(self.frame))
|
||||
[self invalidateCropRect];
|
||||
}
|
||||
|
||||
- (void)setCropMirrored:(bool)cropMirrored
|
||||
{
|
||||
_cropMirrored = cropMirrored;
|
||||
_imageView.transform = CGAffineTransformMakeScale(self.cropMirrored ? -1.0f : 1.0f, 1.0f);
|
||||
}
|
||||
|
||||
- (void)invalidateCropRect
|
||||
{
|
||||
[_scrollView zoomToRect:_cropRect animated:false];
|
||||
}
|
||||
|
||||
- (CGRect)contentFrameForView:(UIView *)view
|
||||
{
|
||||
return [_scrollView convertRect:_wrapperView.frame toView:view];
|
||||
}
|
||||
|
||||
- (CGRect)cropRectFrameForView:(UIView *)view
|
||||
{
|
||||
return [self convertRect:_scrollView.frame toView:view];
|
||||
}
|
||||
|
||||
- (UIView *)cropSnapshotView
|
||||
{
|
||||
UIView *snapshotView = [_scrollView snapshotViewAfterScreenUpdates:false];
|
||||
snapshotView.transform = _scrollView.transform;
|
||||
return snapshotView;
|
||||
}
|
||||
|
||||
- (UIImage *)croppedImageWithMaxSize:(CGSize)maxSize
|
||||
{
|
||||
return TGPhotoEditorCrop(_imageView.image, nil, self.cropOrientation, 0.0f, self.cropRect, false, maxSize, _originalSize, true);
|
||||
}
|
||||
|
||||
#pragma mark - Transition
|
||||
|
||||
- (void)fadeInImageView
|
||||
{
|
||||
[UIView animateWithDuration:0.3f animations:^
|
||||
{
|
||||
_imageView.alpha = 1.0f;
|
||||
_areaMaskView.alpha = 1.0f;
|
||||
} completion:^(__unused BOOL finished)
|
||||
{
|
||||
[_snapshotView removeFromSuperview];
|
||||
_snapshotView = nil;
|
||||
}];
|
||||
}
|
||||
|
||||
- (void)animateTransitionIn
|
||||
{
|
||||
if (!_scrollView.hidden)
|
||||
return;
|
||||
|
||||
_scrollView.backgroundColor = [TGPhotoEditorInterfaceAssets toolbarBackgroundColor];
|
||||
|
||||
_areaMaskView.alpha = 0.0f;
|
||||
_topOverlayView.alpha = 0.0f;
|
||||
_leftOverlayView.alpha = 0.0f;
|
||||
_rightOverlayView.alpha = 0.0f;
|
||||
_bottomOverlayView.alpha = 0.0f;
|
||||
}
|
||||
|
||||
- (void)transitionInFinishedFromCamera:(bool)fromCamera
|
||||
{
|
||||
if (fromCamera)
|
||||
{
|
||||
[UIView animateWithDuration:0.3f animations:^
|
||||
{
|
||||
_topOverlayView.alpha = 1.0f;
|
||||
_leftOverlayView.alpha = 1.0f;
|
||||
_rightOverlayView.alpha = 1.0f;
|
||||
_bottomOverlayView.alpha = 1.0f;
|
||||
}];
|
||||
}
|
||||
else
|
||||
{
|
||||
_topOverlayView.alpha = 1.0f;
|
||||
_leftOverlayView.alpha = 1.0f;
|
||||
_rightOverlayView.alpha = 1.0f;
|
||||
_bottomOverlayView.alpha = 1.0f;
|
||||
}
|
||||
|
||||
_scrollView.hidden = false;
|
||||
_scrollView.backgroundColor = [UIColor clearColor];
|
||||
|
||||
if (_imageView.image != nil && _snapshotView != nil)
|
||||
[self fadeInImageView];
|
||||
}
|
||||
|
||||
- (void)animateTransitionOutSwitching:(bool)switching
|
||||
{
|
||||
if (switching)
|
||||
{
|
||||
UIView *snapshotView = [_scrollView snapshotViewAfterScreenUpdates:false];
|
||||
snapshotView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
|
||||
snapshotView.frame = _scrollView.frame;
|
||||
snapshotView.transform = _scrollView.transform;
|
||||
[self insertSubview:snapshotView aboveSubview:_scrollView];
|
||||
}
|
||||
|
||||
[UIView animateWithDuration:0.2f animations:^
|
||||
{
|
||||
_scrollView.alpha = 0.0f;
|
||||
_topOverlayView.alpha = 0.0f;
|
||||
_leftOverlayView.alpha = 0.0f;
|
||||
_rightOverlayView.alpha = 0.0f;
|
||||
_bottomOverlayView.alpha = 0.0f;
|
||||
_areaMaskView.alpha = 0.0f;
|
||||
}];
|
||||
}
|
||||
|
||||
- (void)hideImageForCustomTransition
|
||||
{
|
||||
_scrollView.hidden = true;
|
||||
}
|
||||
|
||||
#pragma mark - Layout
|
||||
|
||||
- (void)_layoutOverlayViews
|
||||
{
|
||||
CGRect topOverlayFrame = CGRectMake(0, -TGPhotoAvatarCropViewOverscreenSize, self.frame.size.width, TGPhotoAvatarCropViewOverscreenSize);
|
||||
CGRect leftOverlayFrame = CGRectMake(-TGPhotoAvatarCropViewOverscreenSize, -TGPhotoAvatarCropViewOverscreenSize, TGPhotoAvatarCropViewOverscreenSize, self.frame.size.height + 2 * TGPhotoAvatarCropViewOverscreenSize);
|
||||
CGRect rightOverlayFrame = CGRectMake(self.frame.size.width, -TGPhotoAvatarCropViewOverscreenSize, TGPhotoAvatarCropViewOverscreenSize, self.frame.size.height + 2 * TGPhotoAvatarCropViewOverscreenSize);
|
||||
CGRect bottomOverlayFrame = CGRectMake(0, self.frame.size.height, self.frame.size.width, TGPhotoAvatarCropViewOverscreenSize);
|
||||
|
||||
_topOverlayView.frame = topOverlayFrame;
|
||||
_leftOverlayView.frame = leftOverlayFrame;
|
||||
_rightOverlayView.frame = rightOverlayFrame;
|
||||
_bottomOverlayView.frame = bottomOverlayFrame;
|
||||
}
|
||||
|
||||
- (void)layoutSubviews
|
||||
{
|
||||
[self _layoutOverlayViews];
|
||||
|
||||
if (_scrollView.superview == nil)
|
||||
{
|
||||
_scrollView.frame = self.bounds;
|
||||
_scrollView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
|
||||
[self insertSubview:_scrollView atIndex:0];
|
||||
[self adjustScrollView];
|
||||
|
||||
_scrollView.transform = CGAffineTransformMakeRotation(TGRotationForOrientation(_cropOrientation));
|
||||
[self invalidateCropRect];
|
||||
|
||||
if (_snapshotView != nil)
|
||||
{
|
||||
CGRect snapshotFrame = [self convertRect:_scrollView.frame toView:_wrapperView];
|
||||
|
||||
if (!CGSizeEqualToSize(_snapshotSize, CGSizeZero))
|
||||
{
|
||||
CGSize snapshotSize = TGScaleToFillSize(_snapshotSize, snapshotFrame.size);
|
||||
|
||||
snapshotFrame = CGRectMake(CGRectGetMidX(snapshotFrame) - snapshotSize.width / 2,
|
||||
CGRectGetMidY(snapshotFrame) - snapshotSize.height / 2,
|
||||
snapshotSize.width, snapshotSize.height);
|
||||
}
|
||||
|
||||
_snapshotView.frame = snapshotFrame;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
+ (CGSize)areaInsetSize
|
||||
{
|
||||
if ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone)
|
||||
return CGSizeMake(10, 10);
|
||||
else
|
||||
return CGSizeMake(20, 20);
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user