效果
源码
https://github.com/YouXianMing/Animations
// // TextKitLoadImageController.m // Animations // // Created by YouXianMing on 16/4/10. // Copyright © 2016年 YouXianMing. All rights reserved. // #import "TextKitLoadImageController.h" #import "AttributedStringInitConfig+Constructor.h" #import "JSAnimatedImagesView.h" #import "UIView+SetRect.h" #import "GCD.h" @interface TextKitLoadImageController () <JSAnimatedImagesViewDataSource> @property (nonatomic, strong) JSAnimatedImagesView *JSView; @property (nonatomic, strong) NSArray *JSViewDataSource; @end @implementation TextKitLoadImageController - (void)setup { [super setup]; NSString *str = @"这是发生在阿拉斯加麦肯莱国家公园的事,这个公园有日本的四国那么大,却只有一个为观光客开设的游客中心,位置就在原野正中央,公园唯一的一条道路上,每天都有许多观光客利用这个游憩场所。\n这附近是北极地松鼠的栖息地,所以每当有观光客下车,地松鼠就会跑过来讨东西吃,完全不怕人,公园管理员一再呼吁游客不要喂食地松鼠,但不管来自哪个国家的人,看到可爱机伶的地松鼠,还是会忍不住丢东西给它们吃。\n有一年,公园里竖着一个奇怪的告示牌。为什么说它奇怪呢?因为这个告示牌只有十公分高,不弯腰下去的话根本看不到,牌子开头就写着:“地松鼠们!”原来,这是写给地松鼠看的警告。\n“......你们再一直吃着人类给的食物,就会越来越胖,最后跑不动,就只好被金雕或是熊吃掉......”一想到好奇的观光客发出苦笑的脸,让我不禁莞尔。又想到在日本的动物园中,看到游客不断地往熊的笼子里丢食物,挂在旁边的“请勿喂食”标示,看起来是那么的无力。\n有人看到动物就自然而然想喂食,这种事情大家都清楚,但也有人率直的认为那是不对的行为。坚持真理是很辛苦的,不如多点想象空间,用小小的幽默来劝服人心。"; NSTextStorage *storage = [[NSTextStorage alloc] initWithString:str attributes:[AttributedStringInitConfig heitiSC]]; // 管理器 NSLayoutManager *layoutManager = [NSLayoutManager new]; [storage addLayoutManager:layoutManager]; // 显示的容器(与UITextView对应) NSTextContainer *textContainer = [NSTextContainer new]; CGSize size = CGSizeMake(Width - 20, MAXFLOAT); textContainer.size = size; [layoutManager addTextContainer:textContainer]; UITextView *textView = [[UITextView alloc] initWithFrame:CGRectMake(10, 10, Width - 20, self.contentView.height - 20) textContainer:textContainer]; textView.scrollEnabled = YES; textView.layer.borderWidth = 0.5f; textView.layer.borderColor = [[UIColor grayColor] colorWithAlphaComponent:0.15f].CGColor; textView.editable = NO; textView.selectable = NO; textView.layer.masksToBounds = NO; textView.showsVerticalScrollIndicator = NO; textView.layer.masksToBounds = YES; [self.contentView addSubview:textView]; CGRect imagesFrame = CGRectMake(60, 38, textView.width - 60 * 2, 170); textContainer.exclusionPaths = @[[self bezierPathWithFrame:imagesFrame]]; [GCDQueue executeInMainQueue:^{ self.JSViewDataSource = @[[UIImage imageNamed:@"pic_1"], [UIImage imageNamed:@"pic_2"], [UIImage imageNamed:@"pic_3"], [UIImage imageNamed:@"pic_4"]]; self.JSView = [[JSAnimatedImagesView alloc] initWithFrame:imagesFrame]; self.JSView.alpha = 0.f; self.JSView.transitionDuration = 2.f; self.JSView.dataSource = self; self.JSView.layer.masksToBounds = YES; [textView addSubview:self.JSView]; [UIView animateWithDuration:2.f animations:^{ self.JSView.alpha = 1.f; }]; } afterDelaySecs:0.5f]; } - (UIBezierPath *)bezierPathWithFrame:(CGRect)frame { return [UIBezierPath bezierPathWithRect:frame]; } - (NSUInteger)animatedImagesNumberOfImages:(JSAnimatedImagesView *)animatedImagesView { return self.JSViewDataSource.count; } - (UIImage *)animatedImagesView:(JSAnimatedImagesView *)animatedImagesView imageAtIndex:(NSUInteger)index { return self.JSViewDataSource[index]; } @end
时间: 2024-10-10 06:05:12