- Qt 5.5
- Qt Multimedia
- QML Camera Example
- PhotoCaptureControls.qml Example File
- Qt 5.5.1 Reference Documentation

# PhotoCaptureControls.qml Example File

declarative-camera/PhotoCaptureControls.qml

    /****************************************************************************
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    ** Copyright (C) 2015 The Qt Company Ltd.
    ** Contact: http://www.qt.io/licensing/
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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)
        }
    }