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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: For any questions to Digia, please use the contact form at
+** http://qt.digia.com/
+**
+** This file is part of the examples of the Qt Enterprise Embedded.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** 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.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * 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.
+**
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+import QtQuick 2.0
+import QtMultimedia 5.0
+
+MouseArea {
+ id: focusRoot
+
+ signal searchAndLock
+
+ onClicked: {
+ camera.focus.focusPointMode = Camera.FocusPointCustom
+ camera.focus.customFocusPoint = viewfinder.mapPointToSourceNormalized(Qt.point(mouse.x, mouse.y))
+ focusRoot.searchAndLock()
+ }
+
+ Item {
+ id: zones
+ anchors.fill: parent
+
+ property color focusAreaColor
+ property real focusAreaScale: 1
+
+ Repeater {
+ model: camera.focus.focusZones
+
+ Rectangle {
+ border {
+ width: Math.round(2 * root.contentScale)
+ color: zones.focusAreaColor
+ }
+ radius: 8 * root.contentScale
+ color: "transparent"
+ scale: zones.focusAreaScale
+
+ // Map from the relative, normalized frame coordinates
+ property rect mappedRect: viewfinder.mapNormalizedRectToItem(area);
+
+ Connections {
+ target: viewfinder
+ onContentRectChanged: {
+ mappedRect = viewfinder.mapNormalizedRectToItem(area);
+ }
+ }
+
+ x: mappedRect.x - (width - mappedRect.width) / 2
+ y: mappedRect.y - (height - mappedRect.height) / 2
+ width: Math.round(120 * root.contentScale)
+ height: width
+
+ Rectangle {
+ anchors.fill: parent
+ anchors.margins: -1.5
+ color: "transparent"
+ border.width: 1
+ border.color: "black"
+ radius: parent.radius + 2
+ }
+
+ Rectangle {
+ anchors.fill: parent
+ anchors.margins: 1 + parent.border.width / 2 + 0.5
+ color: "transparent"
+ border.width: 1
+ border.color: "black"
+ radius: parent.radius - 3
+ }
+ }
+ }
+
+ states: [
+ State {
+ name: "unlocked"; when: camera.lockStatus === Camera.Unlocked
+ PropertyChanges { target: zones; opacity: 0; focusAreaColor: "red" }
+ },
+ State {
+ name: "searching"; when: camera.lockStatus === Camera.Searching
+ PropertyChanges { target: zones; opacity: 1; focusAreaColor: "white" }
+ },
+ State {
+ name: "locked"; when: camera.lockStatus === Camera.Locked
+ PropertyChanges { target: zones; opacity: 0; focusAreaColor: "green" }
+ }
+ ]
+
+ transitions: [
+ Transition {
+ to: "searching"
+ NumberAnimation { properties: "opacity"; duration: 60 }
+ SequentialAnimation {
+ NumberAnimation {
+ target: zones; property: "focusAreaScale"; from: 1; to: 1.3; duration: 150
+ }
+ PauseAnimation { duration: 20 }
+ NumberAnimation {
+ target: zones; property: "focusAreaScale"; easing.period: 1; easing.amplitude: 1.4
+ easing.type: Easing.OutElastic; from: 1.3; to: 1
+ duration: 450
+ }
+ }
+ },
+ Transition {
+ from: "searching"
+ SequentialAnimation {
+ PauseAnimation { duration: 1500 }
+ NumberAnimation { properties: "opacity"; duration: 60 }
+ }
+ }
+
+ ]
+ }
+
+}