73 lines
2.1 KiB
Objective-C
73 lines
2.1 KiB
Objective-C
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//
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// TDGiftLabel.m
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// liveDemo
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//
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// Created by tuandai on 2017/4/24.
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// Copyright © 2017年 tuandai. All rights reserved.
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//
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#import "TDGiftLabel.h"
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@interface TDGiftLabel ()
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@end
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@implementation TDGiftLabel
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-(instancetype)init {
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if (self = [super init]) {
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// self.current = 1;
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}
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return self;
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}
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- (void)anima:(NSInteger)num {
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// _current += 1;
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// if (!self.animing) {
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[self setText:[NSString stringWithFormat:@"X%zd",num]];
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[self animaWithTime:0.7 completion:nil];
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// }
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}
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- (void)animaWithTime:(NSTimeInterval)time completion:(void (^ __nullable)(BOOL finished))completion {
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self.transform = CGAffineTransformMakeScale(3.0, 3.0);
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self.alpha = 0;
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[UIView animateKeyframesWithDuration:time delay:0.0 options:UIViewKeyframeAnimationOptionCalculationModeLinear animations:^{
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[UIView addKeyframeWithRelativeStartTime:0.0 relativeDuration:0.2 animations:^{
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self.transform = CGAffineTransformScale(CGAffineTransformIdentity, 0.5, 0.5);
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self.alpha = 0.8;
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}];
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[UIView addKeyframeWithRelativeStartTime:0.2 relativeDuration:0.4 animations:^{
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self.transform = CGAffineTransformScale(CGAffineTransformIdentity, 1.2, 1.2);
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self.alpha = 1.0;
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}];
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[UIView addKeyframeWithRelativeStartTime:0.6 relativeDuration:0.4 animations:^{
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self.transform = CGAffineTransformScale(CGAffineTransformIdentity, 1.0, 1.0);
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}];
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} completion:completion];
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}
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- (void)drawTextInRect:(CGRect)rect {
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CGSize shadowOffset = self.shadowOffset;
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UIColor *textColor = self.textColor;
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CGContextRef c = UIGraphicsGetCurrentContext();
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CGContextSetLineWidth(c, 2);
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CGContextSetLineJoin(c, kCGLineJoinRound);
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CGContextSetTextDrawingMode(c, kCGTextStroke);
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self.textColor = [UIColor whiteColor];
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[super drawTextInRect:rect];
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CGContextSetTextDrawingMode(c, kCGTextFill);
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self.textColor = textColor;
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self.shadowOffset = CGSizeMake(0, 0);
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[super drawTextInRect:rect];
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self.shadowOffset = shadowOffset;
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}
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@end
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