UIImage 和 UIColor 互轉

UIColor -> UIImage

/**
 *  根據顔色和大小擷取Image
 *
 *  @param color 顔色
 *  @param size  大小
 *
 */
+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size
{
    UIGraphicsBeginImageContextWithOptions(size, , [UIScreen mainScreen].scale);
    [color set];
    UIRectFill(CGRectMake(, , size.width, size.height));
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return image;
}
           

UIImage -> UIColor

UIColor *color = [UIColor colorWithPatternImage:[UIImageimageNamed:@"Background"]]