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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** BSD License Usage
** Alternatively, 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 The Qt Company Ltd 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
Rectangle {
width: 640
height: 360
color: "gray"
Flickable {
id: flick
anchors.fill: parent
contentWidth: 500
contentHeight: 500
PinchArea {
width: Math.max(flick.contentWidth, flick.width)
height: Math.max(flick.contentHeight, flick.height)
property real initialWidth
property real initialHeight
//![0]
onPinchStarted: {
initialWidth = flick.contentWidth
initialHeight = flick.contentHeight
}
onPinchUpdated: {
// adjust content pos due to drag
flick.contentX += pinch.previousCenter.x - pinch.center.x
flick.contentY += pinch.previousCenter.y - pinch.center.y
// resize content
flick.resizeContent(initialWidth * pinch.scale, initialHeight * pinch.scale, pinch.center)
}
onPinchFinished: {
// Move its content within bounds.
flick.returnToBounds()
}
//![0]
Rectangle {
width: flick.contentWidth
height: flick.contentHeight
color: "white"
Image {
anchors.fill: parent
source: "qt-logo.jpg"
MouseArea {
anchors.fill: parent
onDoubleClicked: {
flick.contentWidth = 500
flick.contentHeight = 500
}
}
}
}
}
}
}
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