1c7543a640
According to the documentation of ListModel.get, "The returned object is not guaranteed to remain valid. It should not be used in property bindings." So the property bindings have been removed, and a js function has been introduced to update the properties upon list change. Task-number: QTBUG-49221 Change-Id: Idaed746ca237198b52a3aff0234076331e1512c1 Reviewed-by: Yoann Lopes <yoann.lopes@theqtcompany.com> Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@theqtcompany.com>
95 lines
3.0 KiB
QML
95 lines
3.0 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** This file is part of the Qt Mobility Components.
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** $QT_BEGIN_LICENSE:LGPL21$
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 or version 3 as published by the Free
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick 2.1
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import QtQuick.Window 2.1
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Effect {
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id: root
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divider: false
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parameters: ListModel {
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ListElement {
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name: "Radius"
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value: 0.5
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}
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ListElement {
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name: "Diffraction"
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value: 0.5
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}
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onDataChanged: updateParameters()
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}
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function updateParameters()
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{
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radius = parameters.get(0).value * 100;
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diffractionIndex = parameters.get(1).value;
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}
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property real posX: -1
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property real posY: -1
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property real pixDens: Screen.pixelDensity
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QtObject {
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id: d
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property real oldTargetWidth: root.targetWidth
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property real oldTargetHeight: root.targetHeight
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}
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// Transform slider values, and bind result to shader uniforms
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property real radius: 0.5 * 100
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property real diffractionIndex: 0.5
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onTargetWidthChanged: {
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if (posX == -1)
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posX = targetWidth / 2
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else if (d.oldTargetWidth != 0)
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posX *= (targetWidth / d.oldTargetWidth)
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d.oldTargetWidth = targetWidth
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}
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onTargetHeightChanged: {
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if (posY == -1)
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posY = targetHeight / 2
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else if (d.oldTargetHeight != 0)
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posY *= (targetHeight / d.oldTargetHeight)
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d.oldTargetHeight = targetHeight
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}
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fragmentShaderFilename: "magnify.fsh"
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MouseArea {
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anchors.fill: parent
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onPositionChanged: { root.posX = mouse.x; root.posY = root.targetHeight - mouse.y }
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}
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}
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