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Qt World Summit Conference App

 import Felgo
 import QtQuick

 FlickablePage {
   id: roomPage
   title: room
   property string room

   flickable.flickableDirection: Flickable.AutoFlickIfNeeded
   flickable.contentWidth: roomPage.width
   flickable.contentHeight: roomPage.height

   scrollIndicator.visible: false

   function ensureMinSize() {
     if(flickable.contentWidth < roomPage.width) {
       flickable.resizeContent(roomPage.width, roomPage.height, Qt.point(0,0))
     }
   }

   PinchArea {
     width: Math.max(flickable.contentWidth, flickable.width)
     height: Math.max(flickable.contentHeight, flickable.height)

     property real initialWidth
     property real initialHeight

     onPinchStarted: {
       initialWidth = flickable.contentWidth
       initialHeight = flickable.contentHeight
     }

     onPinchUpdated: {
       // adjust content pos due to drag
       flickable.contentX += pinch.previousCenter.x - pinch.center.x
       flickable.contentY += pinch.previousCenter.y - pinch.center.y

       // resize content
       flickable.resizeContent(initialWidth * pinch.scale, initialHeight * pinch.scale, pinch.center)
     }

     onPinchFinished: {
       roomPage.ensureMinSize()
       // Move its content within bounds.
       flickable.returnToBounds()
     }

     Rectangle {
       width: flickable.contentWidth
       height: flickable.contentHeight
       color: "white"

       AppImage {
         width: parent.width
         fillMode: AppImage.PreserveAspectFit
         property string fileName: room !== "Agenda" ? "Room " + room + ".png" : "Agenda.jpg"
         source: "../../assets/rooms/" + fileName

         MouseArea {
           anchors.fill: parent
           onDoubleClicked: {
             flickable.contentWidth = roomPage.width
             flickable.contentHeight = roomPage.height
           }
         }
       }