通过颜色来生成一个纯色图片

通过颜色来生成一个纯色图片

 

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- (UIImage *)buttonImageFromColor:(UIColor *)color{     CGRect rect = CGRectMake(0, 0, self.frame.size.width, self.frame.size.height);     UIGraphicsBeginImageContext(rect.size);     CGContextRef context = UIGraphicsGetCurrentContext();     CGContextSetFillColorWithColor(context, [color CGColor]);     CGContextFillRect(context, rect);     UIImage *img = UIGraphicsGetImageFromCurrentImageContext();     UIGraphicsEndImageContext();     return img; }