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C++ Backend Charts Demo App

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 import QtQuick 2.1

 Item {
   id: root
   property alias effect: effectLoader.item
   property alias gripSize: divider.gripSize
   property string effectSource
   property alias sourceForShaderEffect: theSource
   property real volume: 0.5
   property alias divider: divider

   Divider {
     id: divider
     visible: false
     z: 1.0
     onValueChanged: updateDivider()
   }

   ShaderEffectSource {
     id: theSource
     smooth: false
     hideSource: true
   }

   Loader {
     id: effectLoader
     source: effectSource
   }

   onWidthChanged: {
     if (effectLoader.item)
       effectLoader.item.targetWidth = root.width
   }

   onHeightChanged: {
     if (effectLoader.item)
       effectLoader.item.targetHeight = root.height
   }

   onEffectSourceChanged: {
     effectLoader.source = effectSource
     effectLoader.item.parent = root
     effectLoader.item.targetWidth = root.width
     effectLoader.item.targetHeight = root.height
     effectLoader.item.anchors.fill = root
     effectLoader.item.source = theSource
     divider.visible = effectLoader.item.divider
     updateDivider()
   }

   function init() {
     root.effectSource = "EffectPassThrough.qml"
   }

   function updateDivider() {
     if (effectLoader.item && effectLoader.item.divider)
       effectLoader.item.dividerValue = divider.value
   }