颜色 ---> 图片
- (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;
}
图片 ----> 颜色
UIImage *img = [UIImage imageNamed:@"xxx"];
UIColor *color = [UIColor colorWithPatternImage:img];
