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/****************************************************************************
**
** Copyright (C) 2009 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** 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 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qtest.h>
#include <QTextLayout>
#include <QPainter>
#include <QSize>
#include <qmath.h>
#include <private/qtextcontrol_p.h>
class tst_text : public QObject
{
Q_OBJECT
public:
tst_text()
{
m_text = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.";
}
private slots:
void layout();
void paintLayoutToPixmap();
void document();
void paintDocToPixmap();
private:
QString m_text;
};
QSize setupTextLayout(QTextLayout *layout)
{
bool wrap = true;
int wrapWidth = 300;
layout->setCacheEnabled(true);
int height = 0;
qreal widthUsed = 0;
qreal lineWidth = 0;
//set manual width
if (wrap)
lineWidth = wrapWidth;
layout->beginLayout();
while (1) {
QTextLine line = layout->createLine();
if (!line.isValid())
break;
if (wrap)
line.setLineWidth(lineWidth);
}
layout->endLayout();
for (int i = 0; i < layout->lineCount(); ++i) {
QTextLine line = layout->lineAt(i);
widthUsed = qMax(widthUsed, line.naturalTextWidth());
line.setPosition(QPointF(0, height));
height += int(line.height());
}
return QSize(qCeil(widthUsed), height);
}
void tst_text::layout()
{
//get rid of initialization effects
QTextLayout layout(m_text);
setupTextLayout(&layout);
QBENCHMARK {
QTextLayout layout(m_text);
setupTextLayout(&layout);
}
}
void tst_text::paintLayoutToPixmap()
{
QTextLayout layout(m_text);
QSize size = setupTextLayout(&layout);
QBENCHMARK {
QPixmap img(size);
img.fill(Qt::transparent);
QPainter p(&img);
layout.draw(&p, QPointF(0, 0));
}
}
void tst_text::document()
{
QTextControl *control = new QTextControl(m_text);
QBENCHMARK {
QTextControl *control = new QTextControl;
QTextDocument *doc = control->document();
doc->setHtml(m_text);
}
}
void tst_text::paintDocToPixmap()
{
QTextControl *control = new QTextControl;
QTextDocument *doc = control->document();
doc->setHtml(m_text);
QSize size = doc->size().toSize();
QBENCHMARK {
QPixmap img(size);
img.fill(Qt::transparent);
QPainter p(&img);
control->drawContents(&p, QRectF(QPointF(0, 0), QSizeF(size)));
}
}
QTEST_MAIN(tst_text)
#include "tst_text.moc"
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