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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick 1.0
Item {
id: root
property int dynamicWidth: 10
property int widthSignaledProperty: 20
Rectangle {
width: 100
height: 50
color: "red"
border.color: "black"
border.width: 5
radius: 10
}
function calculateFirstFactor(seedValue) {
var firstFactor = (0.45 * (9.3 / 3.1) - 0.90);
firstFactor *= (1 + (0.00001 / seedValue));
return firstFactor;
}
function calculateSecondFactor(seedValue) {
var secondFactor = 0.78 * (6.3 / 2.1) - (0.39 * 4);
secondFactor *= (1 + (0.00001 / seedValue));
return secondFactor;
}
function calculateModificationTerm(seedValue) {
var modificationTerm = (12 + (9*7) - 54 + 16 - ((root.calculateFirstFactor(seedValue + 0.3) * seedValue) / 3) + (4*root.calculateSecondFactor(seedValue+2) * seedValue * 1.33)) + (root.calculateSecondFactor(seedValue+1) * seedValue);
modificationTerm = modificationTerm + (33/2) + 19 - (9*2) - (61*3) + 177;
return modificationTerm;
}
onDynamicWidthChanged: {
// do a bit of maths
var firstFactor = root.calculateFirstFactor(8);
var secondFactor = root.calculateSecondFactor(dynamicWidth / firstFactor);
var modificationTerm = root.calculateModificationTerm(dynamicWidth / secondFactor);
// do some regexp matching
var someString = "This is a random string which we'll perform regular expression matching on to reduce considerably. This is meant to be part of a complex javascript expression whose evaluation takes considerably longer than the creation cost of QScriptValue.";
var regexpPattern = new RegExp("is", "i");
var regexpOutputLength = 0;
var temp = regexpPattern.exec(someString);
while (temp == "is") {
regexpOutputLength += 4;
regexpOutputLength *= 2;
temp = regexpPattern.exec(someString);
if (regexpOutputLength > (dynamicWidth * 3)) {
temp = "break";
}
}
// spin in a for loop for a while
var i = 0;
var j = 0;
var cumulativeTotal = 3;
for (i = 20; i > 1; i--) {
for (j = 31; j > 5; j--) {
var branchVariable = i + j;
if (branchVariable % 3 == 0) {
cumulativeTotal -= secondFactor;
} else {
cumulativeTotal += firstFactor;
}
if (cumulativeTotal > (dynamicWidth * 50)) {
break;
}
}
}
// and update the property
widthSignaledProperty = (dynamicWidth + (20/4) + 7 - 1) * modificationTerm + regexpOutputLength - (cumulativeTotal / 73);
}
}
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