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<h1 class="title">photosurface.qml Example File</h1>
<span class="subtitle">demos/photosurface/photosurface.qml</span>
<!-- $$$demos/photosurface/photosurface.qml-description -->
<div class="descr"> <a name="details"></a>
<pre class="qml">
<span class="comment">/****************************************************************************
**
** 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
import QtQuick 2.6
import QtQuick.Dialogs 1.0
import QtQuick.Window 2.1
import Qt.labs.folderlistmodel 1.0
<span class="type"><a href="qml-qtquick-window-window.html">Window</a></span> {
<span class="name">id</span>: <span class="name">root</span>
<span class="name">visible</span>: <span class="number">true</span>
<span class="name">width</span>: <span class="number">1024</span>; <span class="name">height</span>: <span class="number">600</span>
<span class="name">color</span>: <span class="string">"black"</span>
property <span class="type">int</span> <span class="name">highestZ</span>: <span class="number">0</span>
property <span class="type">real</span> <span class="name">defaultSize</span>: <span class="number">200</span>
property <span class="type">var</span> <span class="name">currentFrame</span>: <span class="name">undefined</span>
property <span class="type">real</span> <span class="name">surfaceViewportRatio</span>: <span class="number">1.5</span>
<span class="type">FileDialog</span> {
<span class="name">id</span>: <span class="name">fileDialog</span>
<span class="name">title</span>: <span class="string">"Choose a folder with some images"</span>
<span class="name">selectFolder</span>: <span class="number">true</span>
<span class="name">folder</span>: <span class="name">picturesLocation</span>
<span class="name">onAccepted</span>: <span class="name">folderModel</span>.<span class="name">folder</span> <span class="operator">=</span> <span class="name">fileUrl</span> <span class="operator">+</span> <span class="string">"/"</span>
}
<span class="type"><a href="qml-qtquick-flickable.html">Flickable</a></span> {
<span class="name">id</span>: <span class="name">flick</span>
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">contentWidth</span>: <span class="name">width</span> <span class="operator">*</span> <span class="name">surfaceViewportRatio</span>
<span class="name">contentHeight</span>: <span class="name">height</span> <span class="operator">*</span> <span class="name">surfaceViewportRatio</span>
<span class="type"><a href="qml-qtquick-repeater.html">Repeater</a></span> {
<span class="name">model</span>: <span class="name">FolderListModel</span> {
<span class="name">id</span>: <span class="name">folderModel</span>
<span class="name">objectName</span>: <span class="string">"folderModel"</span>
<span class="name">showDirs</span>: <span class="number">false</span>
<span class="name">nameFilters</span>: <span class="name">imageNameFilters</span>
}
<span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> {
<span class="name">id</span>: <span class="name">photoFrame</span>
<span class="name">width</span>: <span class="name">image</span>.<span class="name">width</span> <span class="operator">*</span> (<span class="number">1</span> <span class="operator">+</span> <span class="number">0.10</span> <span class="operator">*</span> <span class="name">image</span>.<span class="name">height</span> <span class="operator">/</span> <span class="name">image</span>.<span class="name">width</span>)
<span class="name">height</span>: <span class="name">image</span>.<span class="name">height</span> <span class="operator">*</span> <span class="number">1.10</span>
<span class="name">scale</span>: <span class="name">defaultSize</span> <span class="operator">/</span> <span class="name">Math</span>.<span class="name">max</span>(<span class="name">image</span>.<span class="name">sourceSize</span>.<span class="name">width</span>, <span class="name">image</span>.<span class="name">sourceSize</span>.<span class="name">height</span>)
Behavior on <span class="name">scale</span> { <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">duration</span>: <span class="number">200</span> } }
Behavior on <span class="name">x</span> { <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">duration</span>: <span class="number">200</span> } }
Behavior on <span class="name">y</span> { <span class="type"><a href="qml-qtquick-numberanimation.html">NumberAnimation</a></span> { <span class="name">duration</span>: <span class="number">200</span> } }
<span class="name">border</span>.color: <span class="string">"black"</span>
<span class="name">border</span>.width: <span class="number">2</span>
<span class="name">smooth</span>: <span class="number">true</span>
<span class="name">antialiasing</span>: <span class="number">true</span>
<span class="name">Component</span>.onCompleted: {
<span class="name">x</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">random</span>() <span class="operator">*</span> <span class="name">root</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">width</span> <span class="operator">/</span> <span class="number">2</span>
<span class="name">y</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">random</span>() <span class="operator">*</span> <span class="name">root</span>.<span class="name">height</span> <span class="operator">-</span> <span class="name">height</span> <span class="operator">/</span> <span class="number">2</span>
<span class="name">rotation</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">random</span>() <span class="operator">*</span> <span class="number">13</span> <span class="operator">-</span> <span class="number">6</span>
}
<span class="type"><a href="qml-qtquick-image.html">Image</a></span> {
<span class="name">id</span>: <span class="name">image</span>
<span class="name">anchors</span>.centerIn: <span class="name">parent</span>
<span class="name">fillMode</span>: <span class="name">Image</span>.<span class="name">PreserveAspectFit</span>
<span class="name">source</span>: <span class="name">folderModel</span>.<span class="name">folder</span> <span class="operator">+</span> <span class="name">fileName</span>
<span class="name">antialiasing</span>: <span class="number">true</span>
}
<span class="type"><a href="qml-qtquick-pincharea.html">PinchArea</a></span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">pinch</span>.target: <span class="name">photoFrame</span>
<span class="name">pinch</span>.minimumRotation: -<span class="number">360</span>
<span class="name">pinch</span>.maximumRotation: <span class="number">360</span>
<span class="name">pinch</span>.minimumScale: <span class="number">0.1</span>
<span class="name">pinch</span>.maximumScale: <span class="number">10</span>
<span class="name">pinch</span>.dragAxis: <span class="name">Pinch</span>.<span class="name">XAndYAxis</span>
<span class="name">onPinchStarted</span>: <span class="name">setFrameColor</span>();
property <span class="type">real</span> <span class="name">zRestore</span>: <span class="number">0</span>
<span class="name">onSmartZoom</span>: {
<span class="keyword">if</span> (<span class="name">pinch</span>.<span class="name">scale</span> <span class="operator">></span> <span class="number">0</span>) {
<span class="name">photoFrame</span>.<span class="name">rotation</span> <span class="operator">=</span> <span class="number">0</span>;
<span class="name">photoFrame</span>.<span class="name">scale</span> <span class="operator">=</span> <span class="name">Math</span>.<span class="name">min</span>(<span class="name">root</span>.<span class="name">width</span>, <span class="name">root</span>.<span class="name">height</span>) <span class="operator">/</span> <span class="name">Math</span>.<span class="name">max</span>(<span class="name">image</span>.<span class="name">sourceSize</span>.<span class="name">width</span>, <span class="name">image</span>.<span class="name">sourceSize</span>.<span class="name">height</span>) <span class="operator">*</span> <span class="number">0.85</span>
<span class="name">photoFrame</span>.<span class="name">x</span> <span class="operator">=</span> <span class="name">flick</span>.<span class="name">contentX</span> <span class="operator">+</span> (<span class="name">flick</span>.<span class="name">width</span> <span class="operator">-</span> <span class="name">photoFrame</span>.<span class="name">width</span>) <span class="operator">/</span> <span class="number">2</span>
<span class="name">photoFrame</span>.<span class="name">y</span> <span class="operator">=</span> <span class="name">flick</span>.<span class="name">contentY</span> <span class="operator">+</span> (<span class="name">flick</span>.<span class="name">height</span> <span class="operator">-</span> <span class="name">photoFrame</span>.<span class="name">height</span>) <span class="operator">/</span> <span class="number">2</span>
<span class="name">zRestore</span> <span class="operator">=</span> <span class="name">photoFrame</span>.<span class="name">z</span>
<span class="name">photoFrame</span>.<span class="name">z</span> <span class="operator">=</span> ++<span class="name">root</span>.<span class="name">highestZ</span>;
} <span class="keyword">else</span> {
<span class="name">photoFrame</span>.<span class="name">rotation</span> <span class="operator">=</span> <span class="name">pinch</span>.<span class="name">previousAngle</span>
<span class="name">photoFrame</span>.<span class="name">scale</span> <span class="operator">=</span> <span class="name">pinch</span>.<span class="name">previousScale</span>
<span class="name">photoFrame</span>.<span class="name">x</span> <span class="operator">=</span> <span class="name">pinch</span>.<span class="name">previousCenter</span>.<span class="name">x</span> <span class="operator">-</span> <span class="name">photoFrame</span>.<span class="name">width</span> <span class="operator">/</span> <span class="number">2</span>
<span class="name">photoFrame</span>.<span class="name">y</span> <span class="operator">=</span> <span class="name">pinch</span>.<span class="name">previousCenter</span>.<span class="name">y</span> <span class="operator">-</span> <span class="name">photoFrame</span>.<span class="name">height</span> <span class="operator">/</span> <span class="number">2</span>
<span class="name">photoFrame</span>.<span class="name">z</span> <span class="operator">=</span> <span class="name">zRestore</span>
--<span class="name">root</span>.<span class="name">highestZ</span>
}
}
<span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> {
<span class="name">id</span>: <span class="name">dragArea</span>
<span class="name">hoverEnabled</span>: <span class="number">true</span>
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">drag</span>.target: <span class="name">photoFrame</span>
<span class="name">scrollGestureEnabled</span>: <span class="number">false</span> <span class="comment">// 2-finger-flick gesture should pass through to the Flickable</span>
<span class="name">onPressed</span>: {
<span class="name">photoFrame</span>.<span class="name">z</span> <span class="operator">=</span> ++<span class="name">root</span>.<span class="name">highestZ</span>;
<span class="name">parent</span>.<span class="name">setFrameColor</span>();
}
<span class="name">onEntered</span>: <span class="name">parent</span>.<span class="name">setFrameColor</span>();
<span class="name">onWheel</span>: {
<span class="keyword">if</span> (<span class="name">wheel</span>.<span class="name">modifiers</span> <span class="operator">&</span> <span class="name">Qt</span>.<span class="name">ControlModifier</span>) {
<span class="name">photoFrame</span>.<span class="name">rotation</span> <span class="operator">+=</span> <span class="name">wheel</span>.<span class="name">angleDelta</span>.<span class="name">y</span> <span class="operator">/</span> <span class="number">120</span> <span class="operator">*</span> <span class="number">5</span>;
<span class="keyword">if</span> (<span class="name">Math</span>.<span class="name">abs</span>(<span class="name">photoFrame</span>.<span class="name">rotation</span>) <span class="operator"><</span> <span class="number">4</span>)
<span class="name">photoFrame</span>.<span class="name">rotation</span> <span class="operator">=</span> <span class="number">0</span>;
} <span class="keyword">else</span> {
<span class="name">photoFrame</span>.<span class="name">rotation</span> <span class="operator">+=</span> <span class="name">wheel</span>.<span class="name">angleDelta</span>.<span class="name">x</span> <span class="operator">/</span> <span class="number">120</span>;
<span class="keyword">if</span> (<span class="name">Math</span>.<span class="name">abs</span>(<span class="name">photoFrame</span>.<span class="name">rotation</span>) <span class="operator"><</span> <span class="number">0.6</span>)
<span class="name">photoFrame</span>.<span class="name">rotation</span> <span class="operator">=</span> <span class="number">0</span>;
var <span class="name">scaleBefore</span> = <span class="name">photoFrame</span>.<span class="name">scale</span>;
<span class="name">photoFrame</span>.<span class="name">scale</span> <span class="operator">+=</span> <span class="name">photoFrame</span>.<span class="name">scale</span> <span class="operator">*</span> <span class="name">wheel</span>.<span class="name">angleDelta</span>.<span class="name">y</span> <span class="operator">/</span> <span class="number">120</span> <span class="operator">/</span> <span class="number">10</span>;
}
}
}
<span class="keyword">function</span> <span class="name">setFrameColor</span>() {
<span class="keyword">if</span> (<span class="name">currentFrame</span>)
<span class="name">currentFrame</span>.<span class="name">border</span>.<span class="name">color</span> <span class="operator">=</span> <span class="string">"black"</span>;
<span class="name">currentFrame</span> <span class="operator">=</span> <span class="name">photoFrame</span>;
<span class="name">currentFrame</span>.<span class="name">border</span>.<span class="name">color</span> <span class="operator">=</span> <span class="string">"red"</span>;
}
}
}
}
}
<span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> {
<span class="name">id</span>: <span class="name">verticalScrollDecorator</span>
<span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span>
<span class="name">anchors</span>.margins: <span class="number">2</span>
<span class="name">color</span>: <span class="string">"cyan"</span>
<span class="name">border</span>.color: <span class="string">"black"</span>
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">width</span>: <span class="number">5</span>
<span class="name">radius</span>: <span class="number">2</span>
<span class="name">antialiasing</span>: <span class="number">true</span>
<span class="name">height</span>: <span class="name">flick</span>.<span class="name">height</span> <span class="operator">*</span> (<span class="name">flick</span>.<span class="name">height</span> <span class="operator">/</span> <span class="name">flick</span>.<span class="name">contentHeight</span>) <span class="operator">-</span> (<span class="name">width</span> <span class="operator">-</span> <span class="name">anchors</span>.<span class="name">margins</span>) <span class="operator">*</span> <span class="number">2</span>
<span class="name">y</span>: (<span class="name">flick</span>.<span class="name">contentY</span> <span class="operator">-</span> <span class="name">flick</span>.<span class="name">originY</span>) <span class="operator">*</span> (<span class="name">flick</span>.<span class="name">height</span> <span class="operator">/</span> <span class="name">flick</span>.<span class="name">contentHeight</span>)
NumberAnimation on <span class="name">opacity</span> { <span class="name">id</span>: <span class="name">vfade</span>; <span class="name">to</span>: <span class="number">0</span>; <span class="name">duration</span>: <span class="number">500</span> }
<span class="name">onYChanged</span>: { <span class="name">opacity</span> <span class="operator">=</span> <span class="number">1.0</span>; <span class="name">scrollFadeTimer</span>.<span class="name">restart</span>() }
}
<span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> {
<span class="name">id</span>: <span class="name">horizontalScrollDecorator</span>
<span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span>
<span class="name">anchors</span>.margins: <span class="number">2</span>
<span class="name">color</span>: <span class="string">"cyan"</span>
<span class="name">border</span>.color: <span class="string">"black"</span>
<span class="name">border</span>.width: <span class="number">1</span>
<span class="name">height</span>: <span class="number">5</span>
<span class="name">radius</span>: <span class="number">2</span>
<span class="name">antialiasing</span>: <span class="number">true</span>
<span class="name">width</span>: <span class="name">flick</span>.<span class="name">width</span> <span class="operator">*</span> (<span class="name">flick</span>.<span class="name">width</span> <span class="operator">/</span> <span class="name">flick</span>.<span class="name">contentWidth</span>) <span class="operator">-</span> (<span class="name">height</span> <span class="operator">-</span> <span class="name">anchors</span>.<span class="name">margins</span>) <span class="operator">*</span> <span class="number">2</span>
<span class="name">x</span>: (<span class="name">flick</span>.<span class="name">contentX</span> <span class="operator">-</span> <span class="name">flick</span>.<span class="name">originY</span>) <span class="operator">*</span> (<span class="name">flick</span>.<span class="name">width</span> <span class="operator">/</span> <span class="name">flick</span>.<span class="name">contentWidth</span>)
NumberAnimation on <span class="name">opacity</span> { <span class="name">id</span>: <span class="name">hfade</span>; <span class="name">to</span>: <span class="number">0</span>; <span class="name">duration</span>: <span class="number">500</span> }
<span class="name">onXChanged</span>: { <span class="name">opacity</span> <span class="operator">=</span> <span class="number">1.0</span>; <span class="name">scrollFadeTimer</span>.<span class="name">restart</span>() }
}
<span class="type">Timer</span> { <span class="name">id</span>: <span class="name">scrollFadeTimer</span>; <span class="name">interval</span>: <span class="number">1000</span>; <span class="name">onTriggered</span>: { <span class="name">hfade</span>.<span class="name">start</span>(); <span class="name">vfade</span>.<span class="name">start</span>() } }
<span class="type"><a href="qml-qtquick-image.html">Image</a></span> {
<span class="name">anchors</span>.top: <span class="name">parent</span>.<span class="name">top</span>
<span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span>
<span class="name">anchors</span>.margins: <span class="number">10</span>
<span class="name">source</span>: <span class="string">"resources/folder.png"</span>
<span class="type"><a href="qml-qtquick-mousearea.html">MouseArea</a></span> {
<span class="name">anchors</span>.fill: <span class="name">parent</span>
<span class="name">anchors</span>.margins: -<span class="number">10</span>
<span class="name">onClicked</span>: <span class="name">fileDialog</span>.<span class="name">open</span>()
<span class="name">hoverEnabled</span>: <span class="number">true</span>
<span class="name">onPositionChanged</span>: {
<span class="name">tooltip</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">false</span>
<span class="name">hoverTimer</span>.<span class="name">start</span>()
}
<span class="name">onExited</span>: {
<span class="name">tooltip</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">false</span>
<span class="name">hoverTimer</span>.<span class="name">stop</span>()
}
<span class="type">Timer</span> {
<span class="name">id</span>: <span class="name">hoverTimer</span>
<span class="name">interval</span>: <span class="number">1000</span>
<span class="name">onTriggered</span>: {
<span class="name">tooltip</span>.<span class="name">x</span> <span class="operator">=</span> <span class="name">parent</span>.<span class="name">mouseX</span>
<span class="name">tooltip</span>.<span class="name">y</span> <span class="operator">=</span> <span class="name">parent</span>.<span class="name">mouseY</span>
<span class="name">tooltip</span>.<span class="name">visible</span> <span class="operator">=</span> <span class="number">true</span>
}
}
<span class="type"><a href="qml-qtquick-rectangle.html">Rectangle</a></span> {
<span class="name">id</span>: <span class="name">tooltip</span>
<span class="name">border</span>.color: <span class="string">"black"</span>
<span class="name">color</span>: <span class="string">"beige"</span>
<span class="name">width</span>: <span class="name">tooltipText</span>.<span class="name">implicitWidth</span> <span class="operator">+</span> <span class="number">8</span>
<span class="name">height</span>: <span class="name">tooltipText</span>.<span class="name">implicitHeight</span> <span class="operator">+</span> <span class="number">8</span>
<span class="name">visible</span>: <span class="number">false</span>
<span class="type"><a href="qml-qtquick-text.html">Text</a></span> {
<span class="name">id</span>: <span class="name">tooltipText</span>
<span class="name">anchors</span>.centerIn: <span class="name">parent</span>
<span class="name">text</span>: <span class="string">"Open an image directory ("</span> <span class="operator">+</span> <span class="name">openShortcut</span>.<span class="name">sequenceString</span> <span class="operator">+</span> <span class="string">")"</span>
}
}
}
<span class="type"><a href="qml-qtquick-shortcut.html">Shortcut</a></span> {
<span class="name">id</span>: <span class="name">openShortcut</span>
<span class="name">sequence</span>: <span class="name">StandardKey</span>.<span class="name">Open</span>
<span class="name">onActivated</span>: <span class="name">fileDialog</span>.<span class="name">open</span>()
}
}
<span class="type"><a href="qml-qtquick-text.html">Text</a></span> {
<span class="name">anchors</span>.bottom: <span class="name">parent</span>.<span class="name">bottom</span>
<span class="name">anchors</span>.left: <span class="name">parent</span>.<span class="name">left</span>
<span class="name">anchors</span>.right: <span class="name">parent</span>.<span class="name">right</span>
<span class="name">anchors</span>.margins: <span class="number">10</span>
<span class="name">color</span>: <span class="string">"darkgrey"</span>
<span class="name">wrapMode</span>: <span class="name">Text</span>.<span class="name">WordWrap</span>
<span class="name">font</span>.pointSize: <span class="number">8</span>
<span class="name">text</span>: <span class="string">"On a touchscreen: use two fingers to zoom and rotate, one finger to drag\n"</span> <span class="operator">+</span>
<span class="string">"With a mouse: drag normally, use the vertical wheel to zoom, horizontal wheel to rotate, or hold Ctrl while using the vertical wheel to rotate"</span>
}
<span class="type"><a href="qml-qtquick-shortcut.html">Shortcut</a></span> { <span class="name">sequence</span>: <span class="name">StandardKey</span>.<span class="name">Quit</span>; <span class="name">onActivated</span>: <span class="name">Qt</span>.<span class="name">quit</span>() }
<span class="name">Component</span>.onCompleted: {
<span class="keyword">if</span> (typeof <span class="name">contextInitialUrl</span> <span class="operator">!==</span> <span class="string">'undefined'</span>) {
<span class="comment">// Launched from C++ with context properties set.</span>
<span class="name">imageNameFilters</span> <span class="operator">=</span> <span class="name">contextImageNameFilters</span>;
<span class="name">picturesLocation</span> <span class="operator">=</span> <span class="name">contextPicturesLocation</span>;
<span class="keyword">if</span> (<span class="name">contextInitialUrl</span> <span class="operator">==</span> <span class="string">""</span>)
<span class="name">fileDialog</span>.<span class="name">open</span>();
<span class="keyword">else</span>
<span class="name">folderModel</span>.<span class="name">folder</span> <span class="operator">=</span> <span class="name">contextInitialUrl</span> <span class="operator">+</span> <span class="string">"/"</span>;
} <span class="keyword">else</span> {
<span class="comment">// Launched via QML viewer without context properties set.</span>
<span class="name">fileDialog</span>.<span class="name">open</span>();
}
}
property <span class="type">var</span> <span class="name">imageNameFilters</span> : [<span class="string">"*.png"</span>, <span class="string">"*.jpg"</span>, <span class="string">"*.gif"</span>];
property <span class="type">string</span> <span class="name">picturesLocation</span> : <span class="string">""</span>;
}
</pre>
</div>
<!-- @@@demos/photosurface/photosurface.qml -->
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<acronym title="Copyright">©</acronym> 2017 The Qt Company Ltd.
Documentation contributions included herein are the copyrights of
their respective owners.<br> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property
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