Qt 5.7 | Qt Multimedia | QML Camera Example | PhotoCaptureControls.qml Example File

Qt 5.7.1 Reference Documentation

# PhotoCaptureControls.qml Example File

multimedia/declarative-camera/PhotoCaptureControls.qml

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      ** This file is part of the examples of the Qt Toolkit.
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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 videoModeSelected
          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: "Capture"
                      visible: camera.imageCapture.ready
                      onClicked: camera.imageCapture.capture()
                  }

                  CameraPropertyButton {
                      id : wbModesButton
                      value: CameraImageProcessing.WhiteBalanceAuto
                      model: ListModel {
                          ListElement {
                              icon: "images/camera_auto_mode.png"
                              value: CameraImageProcessing.WhiteBalanceAuto
                              text: "Auto"
                          }
                          ListElement {
                              icon: "images/camera_white_balance_sunny.png"
                              value: CameraImageProcessing.WhiteBalanceSunlight
                              text: "Sunlight"
                          }
                          ListElement {
                              icon: "images/camera_white_balance_cloudy.png"
                              value: CameraImageProcessing.WhiteBalanceCloudy
                              text: "Cloudy"
                          }
                          ListElement {
                              icon: "images/camera_white_balance_incandescent.png"
                              value: CameraImageProcessing.WhiteBalanceTungsten
                              text: "Tungsten"
                          }
                          ListElement {
                              icon: "images/camera_white_balance_flourescent.png"
                              value: CameraImageProcessing.WhiteBalanceFluorescent
                              text: "Fluorescent"
                          }
                      }
                      onValueChanged: captureControls.camera.imageProcessing.whiteBalanceMode = wbModesButton.value
                  }

                  CameraButton {
                      text: "View"
                      onClicked: captureControls.previewSelected()
                      visible: captureControls.previewAvailable
                  }
              }

              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 Video"
                      onClicked: captureControls.videoModeSelected()
                  }

                  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)
          }
      }