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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 2.1
import QtQuick.Window 2.1
Effect {
id: root
divider: false
parameters: ListModel {
ListElement {
name: "Radius"
value: 0.5
}
ListElement {
name: "Diffraction"
value: 0.5
}
}
property real posX: -1
property real posY: -1
property real pixDens: Screen.pixelDensity
QtObject {
id: d
property real oldTargetWidth: root.targetWidth
property real oldTargetHeight: root.targetHeight
}
// Transform slider values, and bind result to shader uniforms
property real radius: parameters.get(0).value * 100
property real diffractionIndex: parameters.get(1).value
onTargetWidthChanged: {
if (posX == -1)
posX = targetWidth / 2
else if (d.oldTargetWidth != 0)
posX *= (targetWidth / d.oldTargetWidth)
d.oldTargetWidth = targetWidth
}
onTargetHeightChanged: {
if (posY == -1)
posY = targetHeight / 2
else if (d.oldTargetHeight != 0)
posY *= (targetHeight / d.oldTargetHeight)
d.oldTargetHeight = targetHeight
}
fragmentShaderFilename: "magnify.fsh"
MouseArea {
anchors.fill: parent
onPositionChanged: { root.posX = mouse.x; root.posY = root.targetHeight - mouse.y }
}
}
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