| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the test suite of the Qt Toolkit. |
| ** |
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| ** GNU General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ****************************************************************************/ |
| |
| #include <QObject> |
| #include <QFont> |
| #include <QFontMetrics> |
| |
| #include <qtest.h> |
| |
| //this test benchmarks the once-off (per font configuration) cost |
| //associated with using QFontMetrics |
| class tst_QFontMetrics : public QObject |
| { |
| Q_OBJECT |
| public: |
| tst_QFontMetrics() {} |
| private slots: |
| void fontmetrics_create(); |
| void fontmetrics_create_once_loaded(); |
| |
| void fontmetrics_height(); |
| void fontmetrics_height_once_loaded(); |
| |
| private: |
| void testQFontMetrics(const QFontMetrics &fm); |
| }; |
| |
| void tst_QFontMetrics::testQFontMetrics( const QFontMetrics &fm ) |
| { |
| int fontHeight = fm.height(); |
| Q_UNUSED(fontHeight) |
| } |
| |
| void tst_QFontMetrics::fontmetrics_create() |
| { |
| QBENCHMARK { |
| QFont boldfont = QGuiApplication::font(); |
| boldfont.setBold( true ); |
| boldfont.setPointSize(boldfont.pointSize() * 1.5 ); |
| QFontMetrics bfm( boldfont ); |
| } |
| } |
| |
| void tst_QFontMetrics::fontmetrics_create_once_loaded() |
| { |
| QBENCHMARK { |
| QFont boldfont = QGuiApplication::font(); |
| boldfont.setBold( true ); |
| boldfont.setPointSize(boldfont.pointSize() * 1.5 ); |
| QFontMetrics bfm( boldfont ); |
| } |
| } |
| |
| void tst_QFontMetrics::fontmetrics_height() |
| { |
| QFont boldfont = QGuiApplication::font(); |
| boldfont.setBold( true ); |
| boldfont.setPointSize(boldfont.pointSize() * 1.5 ); |
| QFontMetrics bfm( boldfont ); |
| |
| QBENCHMARK { testQFontMetrics(bfm); } |
| } |
| |
| void tst_QFontMetrics::fontmetrics_height_once_loaded() |
| { |
| QFont boldfont = QGuiApplication::font(); |
| boldfont.setBold( true ); |
| boldfont.setPointSize(boldfont.pointSize() * 1.5 ); |
| QFontMetrics bfm( boldfont ); |
| QBENCHMARK { testQFontMetrics(bfm); } |
| } |
| |
| QTEST_MAIN(tst_QFontMetrics) |
| |
| #include "main.moc" |