NSString *html = [NSString stringWithFormat:@"<img src='https://t1.daumcdn.net/cfile/tistory/2220894C56E7540A35", [myData base64Value];

[myWebView loadHTMLString:html baseURL:nil]

- (NSString *)writeToFile:(UIImage *)image
{
    // Get the location of the Documents directory
    NSArray * paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString * imagePath = [paths objectAtIndex:0];
    NSString * filename = @"tempDiaryPicture.png";
    NSString * filepath = [NSString stringWithFormat:@"%@/%@", imagePath, filename];
    
    // Save the image
    NSData *imageData = [NSData dataWithData:UIImagePNGRepresentation(image)];
    [imageData writeToFile:filepath atomically:YES];
    
    return filepath;
}
- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    Model * model = _getModel();
    NSString * html = [NSString stringWithFormat:
                       @"<center><img src=\"file://%@\" width=\"240\" height=\"240\" border=\"0\"></center>\n"
                       "<hr />",
                       [self writeToFile:image]];    // UIImage * image -> 데이터베이스나 라이브러리와 같은 곳에서 읽어온경우.
    [webView loadHTMLString:html
                     baseURL:nil];
    
 }
 

Base64 encoding options on the Mac and iPhone

 UIImage *emailImage = [UIImage imageNamed:@"myImageName.png"];

 //Convert the image into data

    NSData *imageData = [NSData dataWithData:UIImagePNGRepresentation(emailImage)];

 //Create a base64 string representation of the data using NSData+Base64

    NSString *base64String = [imageData base64EncodedString];

 //Add the encoded string to the emailBody string

 //Don't forget the "<b>" tags are required, the "<p>" tags are optional

    [emailBody appendString:[NSString stringWithFormat:@"<p><b><img src='https://t1.daumcdn.net/cfile/tistory/233F704F56E7540A34",base64String]];

Multiple lines of text in UILabel

NSString *backgroundPath = [[NSBundle mainBundle] pathForResource:@"background" ofType:@"jpg"];

UIImage *backgroundImage = [UIImage imageWithContentsOfFile:backgroundPath];

UIColor *backgroundColor = [[UIColor alloc] initWithPatternImage:backgroundImage];

self.tableView.backgroundColor = backgroundColor; 

[backgroundColor release];

anniversaryTableView = [[AddAnniversaryTableViewController alloc]

initWithStyle:UITableViewStylePlain];

//테이블 뷰의 배경색을 투명으로 지정합니다.

anniversaryTableView.view.backgroundColor = [UIColor clearColor];

anniversaryTableView.view.opaque = YES;

anniversaryTableView.delegate = self;

anniversaryTableView.tableView.allowsSelectionDuringEditing = YES;

//뷰 컨트롤러의 뷰에 배경 이미지를 지정합니다.

self.view.backgroundColor =

[UIColor colorWithPatternImage:

[UIImageimageNamed:@"anniversary_background.png"]];

anniversaryTableView.view.frame = CGRectMake(90, 10, 230, 450);

//그리고 뷰 컨트롤러의 뷰 위에 테이블 뷰 컨트롤러의 뷰를 붙입니다.

[self.view addSubview:anniversaryTableView.view];