刮獎效果

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效果

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說明

刮獎效果使用了開源的 Scatch & See 控件.

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源碼

https://github.com/YouXianMing/Animations

https://github.com/moqod/iOS-Scratch-n-See

//
//  ScratchImageViewController.m
//  Animations
//
//  Created by YouXianMing on 15/12/22.
//  Copyright ? 2015年 YouXianMing. All rights reserved.
//

#import "ScratchImageViewController.h"
#import "MDScratchImageView.h"
#import "UIView+SetRect.h"
#import "UIImage+ImageEffects.h"@interface ScratchImageViewController ()@end@implementation ScratchImageViewController- (void)setup {[super setup];self.titleView.backgroundColor       = [UIColor whiteColor];self.contentView.layer.masksToBounds = YES;UIImage *image = [UIImage imageNamed:@"1"];// 背景圖片UIImageView *blurImageView = [[UIImageView alloc] initWithFrame:(CGRect){CGPointZero, image.size}];blurImageView.image        = image;blurImageView.center       = self.contentView.middlePoint;[self.contentView addSubview:blurImageView];// 被刮的圖片MDScratchImageView *scratchImageView = [[MDScratchImageView alloc] initWithFrame:blurImageView.frame];[scratchImageView setImage:[image blurImage] radius:20.f];[self.contentView addSubview:scratchImageView];
}@end

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細節

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轉載于:https://www.cnblogs.com/YouXianMing/p/5065576.html

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