800 * 800
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.
// 1，初始化location Object数据；
[self loadLocationData];
// 2，显示背景图,加载标记点到图上；
[self drawElements];
}
- (void)loadLocationData {
_locationArray = [NSMutableArray arrayWithCapacity:10];
NSMutableDictionary *dict0 = [NSMutableDictionary dictionary];
[dict0 setValue:@"602.2606120434" forKey:@"pointx"];
[dict0 setValue:@"543.5794669299" forKey:@"pointy"];
[dict0 setValue:@"主卧" forKey:@"roomName"];
LocationObject *locationObject0 = [[LocationObject alloc] initWithDict:dict0];
[_locationArray addObject:locationObject0];
NSMutableDictionary *dict1 = [NSMutableDictionary dictionary];
[dict1 setValue:@"347.4274432379" forKey:@"pointx"];
[dict1 setValue:@"376.4363277394" forKey:@"pointy"];
[dict1 setValue:@"客餐厅" forKey:@"roomName"];
LocationObject *locationObject1 = [[LocationObject alloc] initWithDict:dict1];
[_locationArray addObject:locationObject1];
NSMutableDictionary *dict2 = [NSMutableDictionary dictionary];
[dict2 setValue:@"602.2606120434" forKey:@"pointx"];
[dict2 setValue:@"156.2922013829" forKey:@"pointy"];
[dict2 setValue:@"次卧" forKey:@"roomName"];
LocationObject *locationObject2 = [[LocationObject alloc] initWithDict:dict2];
[_locationArray addObject:locationObject2];
}
- (void)drawElements {
CGFloat offsetX = 10;
CGFloat offsetY = 50;
CGFloat pWH = 800.0;
CGFloat showWH = SCREEN_WIDTH - 2*offsetX;
CGFloat scale = showWH/pWH;
// 显示背景图
CGRect frame = CGRectMake(offsetX, offsetY, showWH, showWH);
UIImageView *imgView = [[UIImageView alloc] initWithFrame:frame];
imgView.image = [UIImage imageNamed:@"huxing.png"];
imgView.userInteractionEnabled = YES;
[self.view addSubview:imgView];
self.view.backgroundColor = [UIColor blackColor];
// 加载标记点到图上
NSInteger count = [_locationArray count];
CGFloat pointWH = 30;
for (NSInteger i=0; i LocationObject *locationObject = _locationArray[i]; CGRect pointFrame = CGRectMake(locationObject.pointX * scale - pointWH/2, locationObject.pointY * scale - pointWH/2, pointWH, pointWH); UIButton *pointBtn = [[UIButton alloc] initWithFrame:pointFrame]; pointBtn.userInteractionEnabled = YES; pointBtn.tag = i; pointBtn.backgroundColor = [UIColor grayColor]; pointBtn.layer.cornerRadius = pointWH/2; pointBtn.layer.masksToBounds = YES; [pointBtn addTarget:self action:@selector(clickBtn:) forControlEvents:UIControlEventTouchUpInside]; [imgView addSubview:pointBtn]; } - (void)clickBtn:(id)sender { NSInteger i = ((UIButton *)sender).tag; LocationObject *locationObject = _locationArray[i]; UIAlertView *alert = [[UIAlertView alloc]initWithTitle:locationObject.name message:@"" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"打开", nil]; [alert show]; }