Question

我想在我的Google地图自定义标记中显示用户的个人资料图片。像其他所有人一样，我在customMarker的init:中尝试了此代码

self.location = location
position = location
icon = UIImage(named: "live location")
groundAnchor = CGPoint(x: 0.5, y: 1)

有没有办法在标记图标的圆圈中显示其他图像。例如使用xib。

Answer 1

您可以使用以下两种方法：

func drawImageWithProfilePic(pp: UIImage, image: UIImage) -> UIImage {

    let imgView = UIImageView(image: image)
    let picImgView = UIImageView(image: pp)
    picImgView.frame = CGRect(x: 0, y: 0, width: 30, height: 30)

    imgView.addSubview(picImgView)
    picImgView.center.x = imgView.center.x
    picImgView.center.y = imgView.center.y - 7
    picImgView.layer.cornerRadius = picImgView.frame.width/2
    picImgView.clipsToBounds = true
    imgView.setNeedsLayout()
    picImgView.setNeedsLayout()

    let newImage = imageWithView(view: imgView)
    return newImage
}

func imageWithView(view: UIView) -> UIImage {
    var image: UIImage?
    UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, 0.0)
    if let context = UIGraphicsGetCurrentContext() {
        view.layer.render(in: context)
        image = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
    }
    return image ?? UIImage()
}

这里pp是您的个人资料照片，image是照片图标。您可以根据需要设置个人资料照片的框架。我已经尝试过了：

修改

let marker = GMSMarker(position: coordinate)
marker.icon = drawImageWithProfilePic(pp: imgPP, image: img)
marker.appearAnimation = GMSMarkerAnimation.pop
marker.map = viewGoogleMap

这是输出：

Answer 2

您可以在nib或programmatically中创建/设计自定义视图，然后将其分配给您的标记。

let someView = YourCustomView()
someView.markerImageView.image = UIImage(named: "markerImage")
someView.userImageView.image = UIImage(named: "userImage")

let marker = GMSMarker()
marker.map = yourMapView
marker.position = somePositionCoordinate;
marker.iconView = someView

Answer 3

    //put this code where you get image

     let url = URL(string: "your_imageUrlString")
     let data = try? Data(contentsOf: url!)

      let marker = GMSMarker()
       marker.position = CLLocationCoordinate2D(latitude: Double(lat)!, longitude:  Double(long)!)
   marker.icon = self.drawImageWithProfilePic(pp: UIImage.init(data:data!)!, image: UIImage.init(named: "red")!)
       marker.title = location
          marker.snippet = name + " " + mobile
    marker.appearAnimation = GMSMarkerAnimation.pop
                                marker.map = self.mapView


//put this code in your viewController class 
 func drawImageWithProfilePic(pp: UIImage, image: UIImage) -> UIImage {

        let imgView = UIImageView(image: image)
         imgView.frame = CGRect(x: 0, y: 0, width: 100, height: 100)

        let picImgView = UIImageView(image: pp)
        picImgView.frame = CGRect(x: 0, y: 0, width: 40, height: 40)

        imgView.addSubview(picImgView)
        picImgView.center.x = imgView.center.x
        picImgView.center.y = imgView.center.y - 7
        picImgView.layer.cornerRadius = picImgView.frame.width/2
        picImgView.clipsToBounds = true
        imgView.setNeedsLayout()
        picImgView.setNeedsLayout()

        let newImage = imageWithView(view: imgView)
        return newImage
    }

    func imageWithView(view: UIView) -> UIImage {
        var image: UIImage?
        UIGraphicsBeginImageContextWithOptions(view.bounds.size, false, 0.0)
        if let context = UIGraphicsGetCurrentContext() {
            view.layer.render(in: context)
            image = UIGraphicsGetImageFromCurrentImageContext()
            UIGraphicsEndImageContext()
        }
        return image ?? UIImage()
    }



//here "red" is dummy background image

斯威夫特|在自定义GMSMarker中显示图像

3 个答案: