color 转 image

- (UIImage*) createImageWithColor: (UIColor*) color

{

    CGRect rect=CGRectMake(0,0, 1, 1);

    UIGraphicsBeginImageContext(rect.size);

    CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, rect);

    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    return theImage;

}

    self.view.backgroundColor = [UIColor colorWithRed:242/255.0 green:242/255.0 blue:242/255.0 alpha:1.0f];

    UIImage * image1 = [[UIImage alloc]init];

    UIImage * image2 = [[UIImage alloc]init];

    image1 = [self createImageWithColor:[UIColor colorWithRed:246/255.0 green:246/255.0 blue:246/255.0 alpha:1.0f]];

    image2 = [self createImageWithColor:[UIColor whiteColor]];

color 转 image

原文：http://blog.csdn.net/u011862058/article/details/43154765