- Qt 5.3
- Qt Multimedia
- QML Camera Example
- PhotoCaptureControls.qml Example File
- Qt 5.3.2 Reference Documentation

# PhotoCaptureControls.qml Example File

declarative-camera/PhotoCaptureControls.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
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    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
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    **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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    import QtQuick 2.0
    import QtMultimedia 5.0

    FocusScope {
        property Camera camera
        property bool previewAvailable : false

        property int buttonsPanelWidth: buttonPaneShadow.width

        signal previewSelected
        signal videoModeSelected
        id : captureControls

        Rectangle {
            id: buttonPaneShadow
            width: buttonsColumn.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

                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)
        }
    }