Qt 5.9 | Qt Multimedia | QML Camera Example | VideoCaptureControls.qml Example File

Qt 5.9.9 Reference Documentation

# VideoCaptureControls.qml Example File

multimedia/declarative-camera/VideoCaptureControls.qml

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      import QtQuick 2.0
      import QtMultimedia 5.4

      FocusScope {
          property Camera camera
          property bool previewAvailable : false

          property int buttonsPanelWidth: buttonPaneShadow.width

          signal previewSelected
          signal photoModeSelected
          id : captureControls

          Rectangle {
              id: buttonPaneShadow
              width: bottomColumn.width + 16
              height: parent.height
              anchors.top: parent.top
              anchors.right: parent.right
              color: Qt.rgba(0.08, 0.08, 0.08, 1)

              Column {
                  anchors {
                      right: parent.right
                      top: parent.top
                      margins: 8
                  }

                  id: buttonsColumn
                  spacing: 8

                  FocusButton {
                      camera: captureControls.camera
                      visible: camera.cameraStatus == Camera.ActiveStatus && camera.focus.isFocusModeSupported(Camera.FocusAuto)
                  }

                  CameraButton {
                      text: "Record"
                      visible: camera.videoRecorder.recorderStatus == CameraRecorder.LoadedStatus
                      onClicked: camera.videoRecorder.record()
                  }

                  CameraButton {
                      id: stopButton
                      text: "Stop"
                      visible: camera.videoRecorder.recorderStatus == CameraRecorder.RecordingStatus
                      onClicked: camera.videoRecorder.stop()
                  }

                  CameraButton {
                      text: "View"
                      onClicked: captureControls.previewSelected()
                      //don't show View button during recording
                      visible: camera.videoRecorder.actualLocation && !stopButton.visible
                  }
              }

              Column {
                  anchors {
                      bottom: parent.bottom
                      right: parent.right
                      margins: 8
                  }

                  id: bottomColumn
                  spacing: 8

                  CameraListButton {
                      model: QtMultimedia.availableCameras
                      onValueChanged: captureControls.camera.deviceId = value
                  }

                  CameraButton {
                      text: "Switch to Photo"
                      onClicked: captureControls.photoModeSelected()
                  }

                  CameraButton {
                      id: quitButton
                      text: "Quit"
                      onClicked: Qt.quit()
                  }
              }
          }

          ZoomControl {
              x : 0
              y : 0
              width : 100
              height: parent.height

              currentZoom: camera.digitalZoom
              maximumZoom: Math.min(4.0, camera.maximumDigitalZoom)
              onZoomTo: camera.setDigitalZoom(value)
          }
      }