I create simple example using flickable and I had problem:
I only want image show in Flickable Area. Outside Flickable Area, image is hide.
It's show in image below.
Qt Code: 
  1. ApplicationWindow {
  2.     title: qsTr("Hello World")
  3.     width: 640
  4.     height: 480
  5.     visible: true
  6.     Rectangle{
  7.         id: main
  8.         anchors.fill: parent
  9.         color: "orange"
  10.     }
  11.  
  12.     Flickable {
  13.         anchors.centerIn: main
  14.         width: 200; height: 200
  15.         contentWidth: image.width; contentHeight: image.height
  16.  
  17.         Image {
  18.             id: image;
  19.             source: "qrc:///bigImage.jpg"
  20.         }
  21.     }
  22.  
  23. }
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Image: https://www.dropbox.com/s/76h8n65bce...kable.jpg?dl=0