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Objective-C
UIColor -> UIImage
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- (UIImage*) createImageWithColor: (UIColor*) color{ CGRect rect=CGRectMake(0.0f, 0.0f, 1.0f, 1.0f); UIGraphicsBeginImageContext(rect.size); CGContextRef context = UIGraphicsGetCurrentContext(); CGContextSetFillColorWithColor(context, [color CGColor]); CGContextFillRect(context, rect); UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return theImage;} |
UIImage -> UIColor
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[UIColor colorWithPatternImage:[UIImageimageNamed:@"Background"]] |
Swift
UIColor -> UIImage
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func createImageWithColor(color: UIColor) -> UIImage{ let rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f) UIGraphicsBeginImageContext(rect.size) let context = UIGraphicsGetCurrentContext() CGContextSetFillColorWithColor(context, color.CGColor) CGContextFillRect(context, rect) let theImage = UIGraphicsGetImageFromCurrentImageContext() UIGraphicsEndImageContext() return theImage} |
UIImage -> UIColor
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UIColor(PatternImage: UIImage(named: @"Background")) |
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原文地址：http://www.cnblogs.com/Free-Thinker/p/5115716.html
