zoomscale

-(void)addScrollView{
    NSString *imagePath;
    NSArray *dirPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentDirectoryPath = dirPaths[0];
    NSString *calendarDir = [documentDirectoryPath stringByAppendingString:[NSString stringWithFormat:@"/CalendarFolder/"]];
    NSArray *list = [[NSFileManager defaultManager] contentsOfDirectoryAtPath:calendarDir error:nil];
    for (NSString* file in list) {
        if ([[file pathExtension] isEqualToString: @"png"]) {
            //            [[NSFileManager defaultManager] copyItemAtPath:file toPath:calendarDir error:nil];
            imagePath = [calendarDir stringByAppendingPathComponent:file];
        }
    }
    UIImage *image = [[UIImage alloc] initWithContentsOfFile:imagePath];
    myScrollView = [[UIScrollView alloc] initWithFrame:CGRectMake(0, 0, [ [ UIScreen mainScreen ] bounds ].size.width, [ [ UIScreen mainScreen ] bounds ].size.height)];
    myScrollView.accessibilityActivationPoint = CGPointMake(100, 100);
    scheduleImage = [[UIImageView alloc] initWithImage:image];
    [myScrollView addSubview:scheduleImage];
    myScrollView.minimumZoomScale = 0.5;
    myScrollView.maximumZoomScale = 3;
    myScrollView.contentSize = CGSizeMake(scheduleImage.frame.size.width,
                                          scheduleImage.frame.size.height);
    myScrollView.contentOffset = CGPointMake(500, 800);
    myScrollView.zoomScale = .5;
    NSDateComponents *components = [[NSCalendar currentCalendar] components:NSWeekdayCalendarUnit fromDate:[NSDate date]];
    NSInteger weekday   = [components weekday];
    switch(weekday){
        case 1: // Sunday
            myScrollView.contentOffset = CGPointMake(2100, 140);
            break;
        case 2: // Monday
            myScrollView.contentOffset = CGPointMake(95, 140);
            break;
        case 3: // Tuesday
            myScrollView.contentOffset = CGPointMake(430, 140);
            break;
        case 4: // Wednesday
            myScrollView.contentOffset = CGPointMake(765, 140);
            break;
        case 5: // Thursday
            myScrollView.contentOffset = CGPointMake(1100, 140);
            break;
        case 6: // Friday
            myScrollView.contentOffset = CGPointMake(1435, 140);
            break;
        case 7: // Saturday
            myScrollView.contentOffset = CGPointMake(1768, 140);
            break;
        default: // NoDay
            myScrollView.contentOffset = CGPointMake(0, 0);
            break;
    }
    myScrollView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"grey.png"]];
    myScrollView.delegate = self;
    [self.view addSubview:myScrollView];
}