How do set a width and height of an Image in Swift

Question

New to Swift and iOS programming in general. I couldn't figure out how to set a width and height of an image.
For example,

  let backgroundImage = UIImage(named: "background.png") 

Thanks

Answer 1

My suggestion is.

Instead of set size of image you should set size of UIImageView and then put this image on it so, size of image will be display as per your requirement.

Such like,

var imageView = UIImageView(frame: CGRectMake(100, 150, 150, 150)); // set as you want var image = UIImage(named: "myImage.png"); imageView.image = image; self.view.addSubview(imageView); 

Answer 2

You have this code, this code set width and height and save the same position.

/** Resize UIImageView :param: UImage :param: new size CGSize :return: new UImage rezised */     func imageResize (#image:UIImage, sizeChange:CGSize)-> UIImage{          let hasAlpha = true         let scale: CGFloat = 0.0 // Use scale factor of main screen          // Create a Drawing Environment (which will render to a bitmap image, later)         UIGraphicsBeginImageContextWithOptions(sizeChange, !hasAlpha, scale)          image.drawInRect(CGRect(origin: CGPointZero, size: sizeChange))          let scaledImage = UIGraphicsGetImageFromCurrentImageContext()          // Clean up the Drawing Environment (created above)         UIGraphicsEndImageContext()          return scaledImage     }       let size = CGSizeMake(100, 150)      myImageView.image! = imageResize(myImageView.image!,sizeChange: size) 

Work in viewDidLoad or refresh "reloadInputViews()" your UIImageView ;-)

**

EDIT

**

Hi create this extends if you want.

Create File Extends.Swift and add this code (add import foundation where you want change height)

/**     Extension UIView */ extension UIView {     /**     Set x Position      :param: x CGFloat     */     func setX(#x:CGFloat) {         var frame:CGRect = self.frame         frame.origin.x = x         self.frame = frame     }     /**     Set y Position      :param: y CGFloat     */     func setY(#y:CGFloat) {         var frame:CGRect = self.frame         frame.origin.y = y         self.frame = frame     }     /**     Set Width      :param: width CGFloat     */     func setWidth(#width:CGFloat) {         var frame:CGRect = self.frame         frame.size.width = width         self.frame = frame     }     /**     Set Height      :param: height CGFloat     */     func setHeight(#height:CGFloat) {         var frame:CGRect = self.frame         frame.size.height = height         self.frame = frame     } } 

For Use (inherits Of UIView)

inheritsOfUIView.setHeight(height: 100) button.setHeight(height: 100) view.setHeight(height: 100)