wehub-resource-sync
67 lines
1.7 KiB
Objective-C
67 lines
1.7 KiB
Objective-C
//
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// TLMessageImageView.m
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// TLChat
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//
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// Created by 李伯坤 on 16/3/15.
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// Copyright © 2016年 李伯坤. All rights reserved.
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//
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#import "TLMessageImageView.h"
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@interface TLMessageImageView ()
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@property (nonatomic, weak) CAShapeLayer *maskLayer;
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@property (nonatomic, weak) CALayer *contentLayer;
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@end
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@implementation TLMessageImageView
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- (id)initWithFrame:(CGRect)frame
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{
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if (self = [super initWithFrame:frame]) {
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CAShapeLayer *maskLayer = [CAShapeLayer layer];
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maskLayer.contentsCenter = CGRectMake(0.5, 0.6, 0.1, 0.1);
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maskLayer.contentsScale = [UIScreen mainScreen].scale; //非常关键设置自动拉伸的效果且不变形
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CALayer *contentLayer = [[CALayer alloc] init];
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[contentLayer setMask:maskLayer];
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[self.layer addSublayer:contentLayer];
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self.maskLayer = maskLayer;
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self.contentLayer = contentLayer;
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}
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return self;
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}
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- (void)dealloc
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{
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NSLog(@"delloc TLMessageImageView");
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}
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- (void)layoutSubviews
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{
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[super layoutSubviews];
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[self.maskLayer setFrame:CGRectMake(0, 0, self.width, self.height)];
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[self.contentLayer setFrame:CGRectMake(0, 0, self.width, self.height)];
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}
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- (void)setThumbnailPath:(NSString *)imagePath highDefinitionImageURL:(NSString *)imageURL
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{
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if (imagePath == nil) {
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[self.contentLayer setContents:nil];
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}
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else {
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UIImage *image = [[UIImage imageNamed:imagePath] copy];
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[self.contentLayer setContents:(id)(image.CGImage)];
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}
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}
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- (void)setBackgroundImage:(UIImage *)backgroundImage
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{
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UIImage *image = [backgroundImage copy];
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[self.maskLayer setContents:(id)image.CGImage];
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}
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@end
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