Qt Quick 3D - Blend Modes Example


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  import QtQuick 2.14
  import QtQuick.Window 2.14
  import QtGraphicalEffects 1.14

  Window {
      visible: true
      width: 1280
      height: 720
      title: qsTr("Blend Modes Example")
      color: "#6b7080"

      Item {
          id: controlArea
          anchors.top: parent.top
          anchors.bottom: parent.bottom
          anchors.left: parent.left
          anchors.margins: 20
          width: 160

          ListView {
              id: modeList
              anchors.fill: parent
              model: modeModel
              delegate: Item {
                  height: 26
                  width: 140
                  Text {
                      anchors.fill: parent
                      anchors.leftMargin: 10
                      anchors.rightMargin: 10
                      text: mode
                      font.pixelSize: 20
                  }
                  MouseArea {
                      anchors.fill: parent
                      onClicked: modeList.currentIndex = index;
                  }
              }
              highlight: Rectangle {
                  color: "#53586b"
                  radius: 4
              }
              focus: true
          }
      }

      ListModel {
          id: modeModel
          ListElement {
              mode: "normal"
          }
          ListElement {
              mode: "addition"
          }
          ListElement {
              mode: "average"
          }
          ListElement {
              mode: "color"
          }
          ListElement {
              mode: "colorBurn"
          }
          ListElement {
              mode: "colorDodge"
          }
          ListElement {
              mode: "darken"
          }
          ListElement {
              mode: "darkenColor"
          }
          ListElement {
              mode: "difference"
          }
          ListElement {
              mode: "divide"
          }
          ListElement {
              mode: "exclusion"
          }
          ListElement {
              mode: "hardLight"
          }
          ListElement {
              mode: "hue"
          }
          ListElement {
              mode: "lighten"
          }
          ListElement {
              mode: "lighterColor"
          }
          ListElement {
              mode: "lightness"
          }
          ListElement {
              mode: "multiply"
          }
          ListElement {
              mode: "negation"
          }
          ListElement {
              mode: "saturation"
          }
          ListElement {
              mode: "screen"
          }
          ListElement {
              mode: "subtract"
          }
          ListElement {
              mode: "softLight"
          }
      }

      Item {
          id: viewArea
          anchors.top: parent.top
          anchors.bottom: parent.bottom
          anchors.right: parent.right
          anchors.left: controlArea.right

          BackgroundView {
              id: background
              anchors.fill: parent
          }

          ForegroundView {
              id: foreground
              anchors.fill: parent
          }

          Blend {
              anchors.fill: parent
              source: ShaderEffectSource {
                  sourceItem: background
                  hideSource: true
              }
              foregroundSource: ShaderEffectSource {
                  sourceItem: foreground
                  hideSource: true
              }
              // Take the blend mode from the selection in the list
              mode: modeModel.get(modeList.currentIndex).mode
          }
      }
  }