From 7ee38fe125ef9eebf7023ffd6af3f7b9c98c62d0 Mon Sep 17 00:00:00 2001
From: Michael Brasser <michael.brasser@nokia.com>
Date: Tue, 15 Dec 2009 12:59:22 +1000
Subject: Add basic text benchmark.

---
 tests/benchmarks/declarative/text/text.pro     |   8 ++
 tests/benchmarks/declarative/text/tst_text.cpp | 120 +++++++++++++++++++++++++
 2 files changed, 128 insertions(+)
 create mode 100644 tests/benchmarks/declarative/text/text.pro
 create mode 100644 tests/benchmarks/declarative/text/tst_text.cpp

diff --git a/tests/benchmarks/declarative/text/text.pro b/tests/benchmarks/declarative/text/text.pro
new file mode 100644
index 0000000..e4840b1
--- /dev/null
+++ b/tests/benchmarks/declarative/text/text.pro
@@ -0,0 +1,8 @@
+load(qttest_p4)
+QT += script
+TEMPLATE = app
+TARGET = tst_text
+macx:CONFIG -= app_bundle
+
+SOURCES += tst_text.cpp
+
diff --git a/tests/benchmarks/declarative/text/tst_text.cpp b/tests/benchmarks/declarative/text/tst_text.cpp
new file mode 100644
index 0000000..4fd84e6
--- /dev/null
+++ b/tests/benchmarks/declarative/text/tst_text.cpp
@@ -0,0 +1,120 @@
+/****************************************************************************
+**
+** 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>
+
+class tst_text : public QObject
+{
+    Q_OBJECT
+public:
+    tst_text() {}
+
+private slots:
+    void layout();
+    void paintToPixmap();
+};
+
+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("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.");
+    setupTextLayout(&layout);
+
+    QBENCHMARK {
+        QTextLayout layout("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.");
+        setupTextLayout(&layout);
+    }
+}
+
+void tst_text::paintToPixmap()
+{
+    QTextLayout layout("Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.");
+    QSize size = setupTextLayout(&layout);
+
+    QBENCHMARK {
+        QPixmap img(size);
+        img.fill(Qt::transparent);
+        QPainter p(&img);
+        layout.draw(&p, QPointF(0, 0));
+    }
+}
+
+QTEST_MAIN(tst_text)
+#include "tst_text.moc"
-- 
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