CircularGaugeLightStyle.qml Example File

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  import QtQuick 2.2
  import QtQuick.Controls.Styles 1.4

  CircularGaugeStyle {
      id: root
      tickmarkStepSize: 10
      minorTickmarkCount: 2
      labelStepSize: 40
      tickmarkInset: outerRadius * 0.06
      minorTickmarkInset: tickmarkInset
      labelInset: outerRadius * 0.23

      background: Image {
          source: "qrc:/images/background-light.png"
      }

      needle: Image {
          id: needleImage
          source: "qrc:/images/needle-light.png"
          transformOrigin: Item.Bottom
          scale: {
              var distanceFromLabelToRadius = labelInset / 2;
              var idealHeight = outerRadius - distanceFromLabelToRadius;
              var originalImageHeight = needleImage.sourceSize.height;
              idealHeight / originalImageHeight;
          }
      }

      foreground: Item {
          Image {
              anchors.centerIn: parent
              source: "qrc:/images/center-light.png"
              scale: (outerRadius * 0.25) / sourceSize.height
          }
      }

      tickmark: Rectangle {
          implicitWidth: outerRadius * 0.01
          antialiasing: true
          implicitHeight: outerRadius * 0.04
          color: "#999"
      }

      minorTickmark: Rectangle {
          implicitWidth: outerRadius * 0.01
          antialiasing: true
          implicitHeight: outerRadius * 0.02
          color: "#bbb"
      }

      tickmarkLabel: Text {
          font.family: "Helvetica neue"
          font.pixelSize: Math.max(6, outerRadius * 0.1)
          text: styleData.value
          color: "#333"
      }
  }