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126 lines
4.9 KiB
Objective-C
126 lines
4.9 KiB
Objective-C
//
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// LOTShapeLayerView.m
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// LottieAnimator
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//
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// Created by Brandon Withrow on 7/13/16.
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// Copyright © 2016 Brandon Withrow. All rights reserved.
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//
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#import "LOTShapeLayerView.h"
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#import "CAAnimationGroup+LOTAnimatableGroup.h"
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@implementation LOTShapeLayerView {
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LOTShapeTransform *_transform;
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LOTShapeStroke *_stroke;
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LOTShapeFill *_fill;
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LOTShapePath *_path;
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LOTShapeTrimPath *_trim;
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CAShapeLayer *_fillLayer;
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CAShapeLayer *_strokeLayer;
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CAAnimationGroup *_animation;
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CAAnimationGroup *_strokeAnimation;
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CAAnimationGroup *_fillAnimation;
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}
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- (instancetype)initWithShape:(LOTShapePath *)shape
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fill:(LOTShapeFill *)fill
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stroke:(LOTShapeStroke *)stroke
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trim:(LOTShapeTrimPath *)trim
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transform:(LOTShapeTransform *)transform
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withDuration:(NSTimeInterval)duration {
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self = [super initWithDuration:duration];
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if (self) {
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_path = shape;
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_stroke = stroke;
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_fill = fill;
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_transform = transform;
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_trim = trim;
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self.allowsEdgeAntialiasing = YES;
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self.frame = _transform.compBounds;
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self.anchorPoint = _transform.anchor.initialPoint;
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self.opacity = _transform.opacity.initialValue.floatValue;
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self.position = _transform.position.initialPoint;
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self.transform = _transform.scale.initialScale;
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self.sublayerTransform = CATransform3DMakeRotation(_transform.rotation.initialValue.floatValue, 0, 0, 1);
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if (fill) {
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_fillLayer = [CAShapeLayer layer];
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_fillLayer.allowsEdgeAntialiasing = YES;
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_fillLayer.path = _path.shapePath.initialShape.CGPath;
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_fillLayer.fillColor = _fill.color.initialColor.CGColor;
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_fillLayer.opacity = _fill.opacity.initialValue.floatValue;
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[self addSublayer:_fillLayer];
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}
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if (stroke) {
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_strokeLayer = [CAShapeLayer layer];
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_strokeLayer.allowsEdgeAntialiasing = YES;
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_strokeLayer.path = _path.shapePath.initialShape.CGPath;
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_strokeLayer.strokeColor = _stroke.color.initialColor.CGColor;
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_strokeLayer.opacity = _stroke.opacity.initialValue.floatValue;
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_strokeLayer.lineWidth = _stroke.width.initialValue.floatValue;
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_strokeLayer.lineDashPattern = _stroke.lineDashPattern;
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_strokeLayer.lineCap = _stroke.capType == LOTLineCapTypeRound ? kCALineCapRound : kCALineCapButt;
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switch (_stroke.joinType) {
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case LOTLineJoinTypeBevel:
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_strokeLayer.lineJoin = kCALineJoinBevel;
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break;
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case LOTLineJoinTypeMiter:
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_strokeLayer.lineJoin = kCALineJoinMiter;
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break;
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case LOTLineJoinTypeRound:
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_strokeLayer.lineJoin = kCALineJoinRound;
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break;
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default:
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break;
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}
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if (trim) {
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_strokeLayer.strokeStart = _trim.start.initialValue.floatValue;
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_strokeLayer.strokeEnd = _trim.end.initialValue.floatValue;
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}
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_strokeLayer.fillColor = nil;
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[self addSublayer:_strokeLayer];
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}
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[self _buildAnimation];
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}
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return self;
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}
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- (void)_buildAnimation {
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if (_transform) {
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_animation = [CAAnimationGroup LOT_animationGroupForAnimatablePropertiesWithKeyPaths:@{@"opacity" : _transform.opacity,
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@"position" : _transform.position,
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@"anchorPoint" : _transform.anchor,
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@"transform" : _transform.scale,
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@"sublayerTransform.rotation" : _transform.rotation}];
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[self addAnimation:_animation forKey:@"LottieAnimation"];
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}
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if (_stroke) {
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NSMutableDictionary *properties = [NSMutableDictionary dictionaryWithDictionary:@{@"strokeColor" : _stroke.color,
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@"opacity" : _stroke.opacity,
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@"lineWidth" : _stroke.width,
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@"path" : _path.shapePath}];
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if (_trim) {
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properties[@"strokeStart"] = _trim.start;
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properties[@"strokeEnd"] = _trim.end;
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}
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_strokeAnimation = [CAAnimationGroup LOT_animationGroupForAnimatablePropertiesWithKeyPaths:properties];
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[_strokeLayer addAnimation:_strokeAnimation forKey:@""];
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}
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if (_fill) {
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_fillAnimation = [CAAnimationGroup LOT_animationGroupForAnimatablePropertiesWithKeyPaths:@{@"fillColor" : _fill.color,
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@"opacity" : _fill.opacity,
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@"path" : _path.shapePath}];
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[_fillLayer addAnimation:_fillAnimation forKey:@""];
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}
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}
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@end
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