將color轉為UIImage，color轉為UIImage

將color轉為UIImage，color轉為UIImage

圖片：

 

代碼：

- (void)viewDidLoad {    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.        //建立圖片    UIImageView *imageView=[[UIImageView alloc]initWithFrame:CGRectMake(100, 100, 200, 200)];    imageView.image=[self createImageWithColor:[UIColor yellowColor]];    [self.view addSubview:imageView];        }//將color轉為UIImage- (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;}