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101 lines
3.4 KiB
101 lines
3.4 KiB
4 years ago
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// OCBarrageTextCell.m
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// TestApp
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//
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// Created by QMTV on 2017/8/23.
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// Copyright © 2017年 LFC. All rights reserved.
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//
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#import "OCBarrageTextCell.h"
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@implementation OCBarrageTextCell
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- (instancetype)init {
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self = [super init];
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if (self) {
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}
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return self;
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}
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- (void)prepareForReuse {
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[super prepareForReuse];
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}
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- (void)updateSubviewsData {
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if (!_textLabel) {
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[self addSubview:self.textLabel];
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}
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if (self.textDescriptor.textShadowOpened) {
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self.textLabel.layer.shadowColor = self.textDescriptor.shadowColor.CGColor;
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self.textLabel.layer.shadowOffset = self.textDescriptor.shadowOffset;
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self.textLabel.layer.shadowRadius = self.textDescriptor.shadowRadius;
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self.textLabel.layer.shadowOpacity = self.textDescriptor.shadowOpacity;
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}
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[self.textLabel setAttributedText:self.textDescriptor.attributedText];
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}
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- (void)layoutContentSubviews {
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// CGRect textFrame = [self.textDescriptor.attributedText.string boundingRectWithSize:CGSizeMake(CGFLOAT_MAX, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin | NSStringDrawingUsesFontLeading attributes:[self.textDescriptor.attributedText attributesAtIndex:0 effectiveRange:NULL] context:nil];
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// self.textLabel.frame = textFrame;
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self.textLabel.frame = CGRectMake(0, 0, self.textLabel.intrinsicContentSize.width, self.textLabel.intrinsicContentSize.height + 20);
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}
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- (void)convertContentToImage {
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UIImage *contentImage = [self.layer convertContentToImageWithSize:_textLabel.frame.size];
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[self.layer setContents:(__bridge id)contentImage.CGImage];
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}
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- (void)removeSubViewsAndSublayers {
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[super removeSubViewsAndSublayers];
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_textLabel = nil;
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}
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- (void)addBarrageAnimationWithDelegate:(id<CAAnimationDelegate>)animationDelegate {
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if (!self.superview) {
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return;
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}
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CGPoint startCenter = CGPointMake(CGRectGetMaxX(self.superview.bounds) + CGRectGetWidth(self.bounds)/2, self.center.y);
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CGPoint endCenter = CGPointMake(-(CGRectGetWidth(self.bounds)/2), self.center.y);
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CGFloat animationDuration = self.barrageDescriptor.animationDuration;
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if (self.barrageDescriptor.fixedSpeed > 0.0) {//如果是固定速度那就用固定速度
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if (self.barrageDescriptor.fixedSpeed > 100.0) {
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self.barrageDescriptor.fixedSpeed = 100.0;
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}
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animationDuration = (startCenter.x - endCenter.x)/([UIScreen mainScreen].scale*2)/self.barrageDescriptor.fixedSpeed;
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}
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CAKeyframeAnimation *walkAnimation = [CAKeyframeAnimation animationWithKeyPath:@"position"];
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walkAnimation.values = @[[NSValue valueWithCGPoint:startCenter], [NSValue valueWithCGPoint:endCenter]];
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walkAnimation.keyTimes = @[@(0.0), @(1.0)];
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walkAnimation.duration = animationDuration;
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walkAnimation.repeatCount = 1;
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walkAnimation.delegate = animationDelegate;
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walkAnimation.removedOnCompletion = NO;
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walkAnimation.fillMode = kCAFillModeForwards;
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[self.layer addAnimation:walkAnimation forKey:kBarrageAnimation];
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}
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- (UILabel *)textLabel {
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if (!_textLabel) {
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_textLabel = [[UILabel alloc] init];
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_textLabel.textAlignment = NSTextAlignmentCenter;
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}
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return _textLabel;
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}
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- (void)setBarrageDescriptor:(OCBarrageDescriptor *)barrageDescriptor {
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[super setBarrageDescriptor:barrageDescriptor];
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self.textDescriptor = (OCBarrageTextDescriptor *)barrageDescriptor;
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}
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@end
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