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Diffstat (limited to 'examples/multimediawidgets/declarative-camera/ZoomControl.qml')
-rw-r--r-- | examples/multimediawidgets/declarative-camera/ZoomControl.qml | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/examples/multimediawidgets/declarative-camera/ZoomControl.qml b/examples/multimediawidgets/declarative-camera/ZoomControl.qml deleted file mode 100644 index 1bfda7500..000000000 --- a/examples/multimediawidgets/declarative-camera/ZoomControl.qml +++ /dev/null @@ -1,118 +0,0 @@ -/**************************************************************************** -** -** 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. -** * 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 - -Item { - id : zoomControl - property real currentZoom : 1 - property real maximumZoom : 1 - signal zoomTo(real value) - - MouseArea { - id : mouseArea - anchors.fill: parent - - property real initialZoom : 0 - property real initialPos : 0 - - onPressed: { - initialPos = mouseY - initialZoom = zoomControl.currentZoom - } - - onPositionChanged: { - if (pressed) { - var target = initialZoom * Math.pow(2, (initialPos-mouseY)/zoomControl.height); - target = Math.max(1, Math.min(target, zoomControl.maximumZoom)) - zoomControl.zoomTo(target) - } - } - } - - Item { - id : bar - x : 16 - y : parent.height/4 - width : 24 - height : parent.height/2 - opacity : 0 - - Rectangle { - anchors.fill: parent - - smooth: true - radius: 8 - border.color: "black" - border.width: 2 - color: "white" - opacity: 0.3 - } - - Rectangle { - x : 0 - y : parent.height * (1.0 - (zoomControl.currentZoom-1.0) / (zoomControl.maximumZoom-1.0)) - width: parent.width - height: parent.height - y - smooth: true - radius: 8 - color: "black" - opacity: 0.5 - } - - states: State { - name: "ShowBar" - when: mouseArea.pressed || zoomControl.currentZoom > 1.0 - PropertyChanges { target: bar; opacity: 1 } - } - - transitions: [ - Transition { - to : "ShowBar" - NumberAnimation { properties: "opacity"; duration: 100 } - }, - Transition { - from : "ShowBar" - NumberAnimation { properties: "opacity"; duration: 500 } - } - ] - } -} |