mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-12-02 00:32:24 +08:00
510 lines
16 KiB
C++
510 lines
16 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include <QTest>
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#include <QSignalSpy>
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#include <qfontdatabase.h>
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#include <qfontinfo.h>
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#include <qfontmetrics.h>
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#include <qtextlayout.h>
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#include <private/qrawfont_p.h>
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#include <private/qfont_p.h>
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#include <private/qfontengine_p.h>
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#include <qpa/qplatformfontdatabase.h>
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using namespace Qt::StringLiterals;
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Q_LOGGING_CATEGORY(lcTests, "qt.text.tests")
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class tst_QFontDatabase : public QObject
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{
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Q_OBJECT
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public:
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tst_QFontDatabase();
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private slots:
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void initTestCase();
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void styles_data();
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void styles();
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void fixedPitch_data();
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void fixedPitch();
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void systemFixedFont();
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#ifdef Q_OS_MAC
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void trickyFonts_data();
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void trickyFonts();
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#endif
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void widthTwoTimes_data();
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void widthTwoTimes();
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void addAppFont_data();
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void addAppFont();
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void addTwoAppFontsFromFamily();
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void aliases();
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void fallbackFonts();
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void condensedFontWidth();
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void condensedFontWidthNoFontMerging();
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void condensedFontMatching();
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void rasterFonts();
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void smoothFonts();
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void registerOpenTypePreferredNamesSystem();
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void registerOpenTypePreferredNamesApplication();
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void stretchRespected();
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#ifdef Q_OS_WIN
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void findCourier();
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#endif
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private:
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QString m_ledFont;
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QString m_testFont;
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QString m_testFontCondensed;
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QString m_testFontItalic;
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};
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tst_QFontDatabase::tst_QFontDatabase()
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{
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}
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void tst_QFontDatabase::initTestCase()
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{
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m_ledFont = QFINDTESTDATA("LED_REAL.TTF");
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m_testFont = QFINDTESTDATA("testfont.ttf");
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m_testFontCondensed = QFINDTESTDATA("testfont_condensed.ttf");
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m_testFontItalic = QFINDTESTDATA("testfont_italic.ttf");
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QVERIFY(!m_ledFont.isEmpty());
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QVERIFY(!m_testFont.isEmpty());
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QVERIFY(!m_testFontCondensed.isEmpty());
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QVERIFY(!m_testFontItalic.isEmpty());
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}
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void tst_QFontDatabase::styles_data()
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{
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QTest::addColumn<QString>("font");
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QTest::newRow( "data0" ) << QString( "Times New Roman" );
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}
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void tst_QFontDatabase::styles()
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{
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QFETCH( QString, font );
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QStringList styles = QFontDatabase::styles( font );
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QStringList::Iterator it = styles.begin();
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while ( it != styles.end() ) {
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QString style = *it;
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QString trimmed = style.trimmed();
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++it;
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QCOMPARE(style, trimmed);
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}
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}
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void tst_QFontDatabase::fixedPitch_data()
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{
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QTest::addColumn<QString>("font");
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QTest::addColumn<bool>("fixedPitch");
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QTest::newRow( "Times New Roman" ) << QString( "Times New Roman" ) << false;
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QTest::newRow( "Arial" ) << QString( "Arial" ) << false;
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QTest::newRow( "Andale Mono" ) << QString( "Andale Mono" ) << true;
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QTest::newRow( "Courier" ) << QString( "Courier" ) << true;
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QTest::newRow( "Courier New" ) << QString( "Courier New" ) << true;
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#ifndef Q_OS_MAC
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QTest::newRow( "Script" ) << QString( "Script" ) << false;
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QTest::newRow( "Lucida Console" ) << QString( "Lucida Console" ) << true;
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QTest::newRow( "DejaVu Sans" ) << QString( "DejaVu Sans" ) << false;
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QTest::newRow( "DejaVu Sans Mono" ) << QString( "DejaVu Sans Mono" ) << true;
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#else
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QTest::newRow( "Menlo" ) << QString( "Menlo" ) << true;
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QTest::newRow( "Monaco" ) << QString( "Monaco" ) << true;
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#endif
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}
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void tst_QFontDatabase::fixedPitch()
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{
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QFETCH(QString, font);
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QFETCH(bool, fixedPitch);
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if (!QFontDatabase::families().contains(font))
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QSKIP("Font not installed");
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QCOMPARE(QFontDatabase::isFixedPitch(font), fixedPitch);
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QFont qfont(font);
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QFontInfo fi(qfont);
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QCOMPARE(fi.fixedPitch(), fixedPitch);
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}
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void tst_QFontDatabase::systemFixedFont() // QTBUG-54623
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{
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QFont font = QFontDatabase::systemFont(QFontDatabase::FixedFont);
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QFontInfo fontInfo(font);
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bool fdbSaysFixed = QFontDatabase::isFixedPitch(fontInfo.family(), fontInfo.styleName());
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qCDebug(lcTests) << "system fixed font is" << font << "really fixed?" << fdbSaysFixed << fontInfo.fixedPitch();
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QVERIFY(fdbSaysFixed);
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QVERIFY(fontInfo.fixedPitch());
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}
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#ifdef Q_OS_MAC
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void tst_QFontDatabase::trickyFonts_data()
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{
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QTest::addColumn<QString>("font");
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QTest::newRow( "Geeza Pro" ) << QString( "Geeza Pro" );
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}
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void tst_QFontDatabase::trickyFonts()
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{
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QFETCH(QString, font);
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if (!QFontDatabase::families().contains(font))
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QSKIP( "Font not installed");
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QFont qfont(font);
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QFontInfo fi(qfont);
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QCOMPARE(fi.family(), font);
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}
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#endif
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void tst_QFontDatabase::widthTwoTimes_data()
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{
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QTest::addColumn<QString>("font");
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QTest::addColumn<int>("pixelSize");
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QTest::addColumn<QString>("text");
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QTest::newRow("Arial") << QString("Arial") << 1000 << QString("Some text");
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}
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void tst_QFontDatabase::widthTwoTimes()
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{
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QFETCH(QString, font);
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QFETCH(int, pixelSize);
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QFETCH(QString, text);
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QFont f;
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f.setFamily(font);
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f.setPixelSize(pixelSize);
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QFontMetrics fm(f);
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int w1 = fm.horizontalAdvance(text, 0);
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int w2 = fm.horizontalAdvance(text, 0);
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QCOMPARE(w1, w2);
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}
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void tst_QFontDatabase::addAppFont_data()
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{
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QTest::addColumn<bool>("useMemoryFont");
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QTest::newRow("font file") << false;
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QTest::newRow("memory font") << true;
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}
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void tst_QFontDatabase::addAppFont()
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{
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QFETCH(bool, useMemoryFont);
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QSignalSpy fontDbChangedSpy(QGuiApplication::instance(), SIGNAL(fontDatabaseChanged()));
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const QStringList oldFamilies = QFontDatabase::families();
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QVERIFY(!oldFamilies.isEmpty());
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fontDbChangedSpy.clear();
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int id;
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if (useMemoryFont) {
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QFile fontfile(m_ledFont);
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fontfile.open(QIODevice::ReadOnly);
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QByteArray fontdata = fontfile.readAll();
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QVERIFY(!fontdata.isEmpty());
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id = QFontDatabase::addApplicationFontFromData(fontdata);
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} else {
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id = QFontDatabase::addApplicationFont(m_ledFont);
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}
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#if defined(Q_OS_HPUX) && defined(QT_NO_FONTCONFIG)
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// Documentation says that X11 systems that don't have fontconfig
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// don't support application fonts.
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QCOMPARE(id, -1);
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return;
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#endif
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QCOMPARE(fontDbChangedSpy.size(), 1);
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if (id == -1)
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QSKIP("Skip the test since app fonts are not supported on this system");
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const QStringList addedFamilies = QFontDatabase::applicationFontFamilies(id);
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QVERIFY(!addedFamilies.isEmpty());
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const QStringList newFamilies = QFontDatabase::families();
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QVERIFY(!newFamilies.isEmpty());
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QVERIFY(newFamilies.size() >= oldFamilies.size());
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for (int i = 0; i < addedFamilies.size(); ++i) {
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QString family = addedFamilies.at(i);
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QVERIFY(newFamilies.contains(family));
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QFont qfont(family);
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QFontInfo fi(qfont);
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QCOMPARE(fi.family(), family);
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}
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QVERIFY(QFontDatabase::removeApplicationFont(id));
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QCOMPARE(fontDbChangedSpy.size(), 2);
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QVERIFY(QFontDatabase::families().size() <= oldFamilies.size());
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}
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void tst_QFontDatabase::addTwoAppFontsFromFamily()
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{
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int regularId = QFontDatabase::addApplicationFont(m_testFont);
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if (regularId == -1)
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QSKIP("Skip the test since app fonts are not supported on this system");
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int italicId = QFontDatabase::addApplicationFont(m_testFontItalic);
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QVERIFY(italicId != -1);
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QVERIFY(!QFontDatabase::applicationFontFamilies(regularId).isEmpty());
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QVERIFY(!QFontDatabase::applicationFontFamilies(italicId).isEmpty());
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QString regularFontName = QFontDatabase::applicationFontFamilies(regularId).first();
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QString italicFontName = QFontDatabase::applicationFontFamilies(italicId).first();
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QCOMPARE(regularFontName, italicFontName);
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QFont italicFont = QFontDatabase::font(italicFontName,
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QString::fromLatin1("Italic"), 14);
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QVERIFY(italicFont.italic());
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QFontDatabase::removeApplicationFont(regularId);
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QFontDatabase::removeApplicationFont(italicId);
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}
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void tst_QFontDatabase::aliases()
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{
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const QStringList families = QFontDatabase::families();
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QVERIFY(!families.isEmpty());
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QString firstFont;
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for (int i = 0; i < families.size(); ++i) {
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if (!families.at(i).contains('[')) {
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firstFont = families.at(i);
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break;
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}
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}
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if (firstFont.isEmpty())
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QSKIP("Skipped because there are no unambiguous font families on the system.");
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QVERIFY(QFontDatabase::hasFamily(firstFont));
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const QString alias = QStringLiteral("AliasToFirstFont") + firstFont;
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QVERIFY(!QFontDatabase::hasFamily(alias));
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QPlatformFontDatabase::registerAliasToFontFamily(firstFont, alias);
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QVERIFY(QFontDatabase::hasFamily(alias));
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}
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void tst_QFontDatabase::fallbackFonts()
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{
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QTextLayout layout;
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QString s;
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s.append(QChar(0x31));
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s.append(QChar(0x05D0));
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layout.setText(s);
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layout.beginLayout();
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layout.createLine();
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layout.endLayout();
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const QList<QGlyphRun> runs = layout.glyphRuns(0, 1);
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for (QGlyphRun run : runs) {
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QRawFont rawFont = run.rawFont();
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QVERIFY(rawFont.isValid());
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QCOMPARE(run.glyphIndexes().size(), 1);
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QVERIFY(run.glyphIndexes().at(0) != 0);
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}
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}
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static QString testString()
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{
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return QStringLiteral("foo bar");
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}
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void tst_QFontDatabase::stretchRespected()
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{
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int italicId = QFontDatabase::addApplicationFont(m_testFontItalic);
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QVERIFY(italicId != -1);
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QVERIFY(!QFontDatabase::applicationFontFamilies(italicId).isEmpty());
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QString italicFontName = QFontDatabase::applicationFontFamilies(italicId).first();
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QFont italicFont = QFontDatabase::font(italicFontName,
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QString::fromLatin1("Italic"), 14);
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QVERIFY(italicFont.italic());
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QFont italicStretchedFont = italicFont;
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italicStretchedFont.setStretch( 400 );
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QVERIFY(QFontMetricsF(italicFont).horizontalAdvance(QStringLiteral("foobar")) <
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QFontMetricsF(italicStretchedFont).horizontalAdvance(QStringLiteral("foobar")));
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QFontDatabase::removeApplicationFont(italicId);
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}
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void tst_QFontDatabase::condensedFontWidthNoFontMerging()
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{
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int regularFontId = QFontDatabase::addApplicationFont(m_testFont);
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int condensedFontId = QFontDatabase::addApplicationFont(m_testFontCondensed);
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QVERIFY(!QFontDatabase::applicationFontFamilies(regularFontId).isEmpty());
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QVERIFY(!QFontDatabase::applicationFontFamilies(condensedFontId).isEmpty());
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QString regularFontName = QFontDatabase::applicationFontFamilies(regularFontId).first();
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QString condensedFontName = QFontDatabase::applicationFontFamilies(condensedFontId).first();
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QFont condensedFont1(condensedFontName);
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if (regularFontName == condensedFontName)
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condensedFont1.setStyleName(QStringLiteral("Condensed"));
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condensedFont1.setStyleStrategy(QFont::PreferMatch);
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QFont condensedFont2 = condensedFont1;
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condensedFont2.setStyleStrategy(QFont::StyleStrategy(QFont::NoFontMerging | QFont::PreferMatch));
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QCOMPARE(QFontMetricsF(condensedFont2).horizontalAdvance(QStringLiteral("foobar")),
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QFontMetricsF(condensedFont1).horizontalAdvance(QStringLiteral("foobar")));
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}
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void tst_QFontDatabase::condensedFontWidth()
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{
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QFontDatabase::addApplicationFont(m_testFont);
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QFontDatabase::addApplicationFont(m_testFontCondensed);
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QVERIFY(QFontDatabase::hasFamily("QtBidiTestFont"));
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if (!QFontDatabase::hasFamily("QtBidiTestFontCondensed"))
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QSKIP("This platform doesn't support font sub-family names (QTBUG-55625)");
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// Test we really get a condensed font, and a not renormalized one (QTBUG-48043):
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QFont testFont("QtBidiTestFont");
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QFont testFontCondensed("QtBidiTestFontCondensed");
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QFontMetrics fmTF(testFont);
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QFontMetrics fmTFC(testFontCondensed);
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QVERIFY(fmTF.horizontalAdvance(testString()) > fmTFC.horizontalAdvance(testString()));
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}
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void tst_QFontDatabase::condensedFontMatching()
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{
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QFontDatabase::removeAllApplicationFonts();
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QFontDatabase::addApplicationFont(m_testFontCondensed);
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if (!QFontDatabase::hasFamily("QtBidiTestFont"))
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QSKIP("This platform doesn't support preferred font family names (QTBUG-53478)");
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QFontDatabase::addApplicationFont(m_testFont);
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// Test we correctly get the condensed font using different font matching methods:
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QFont tfcByStretch("QtBidiTestFont");
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tfcByStretch.setStretch(QFont::Condensed);
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QFont tfcByStyleName("QtBidiTestFont");
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tfcByStyleName.setStyleName("Condensed");
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#ifdef Q_OS_WIN
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QFont f;
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f.setStyleStrategy(QFont::NoFontMerging);
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QFontPrivate *font_d = QFontPrivate::get(f);
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if (font_d->engineForScript(QChar::Script_Common)->type() != QFontEngine::Freetype)
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QEXPECT_FAIL("","No matching of sub-family by stretch on Windows", Continue);
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#endif
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QCOMPARE(QFontMetrics(tfcByStretch).horizontalAdvance(testString()),
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QFontMetrics(tfcByStyleName).horizontalAdvance(testString()));
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if (!QFontDatabase::hasFamily("QtBidiTestFontCondensed"))
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QSKIP("This platform doesn't support font sub-family names (QTBUG-55625)");
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QFont tfcBySubfamilyName("QtBidiTestFontCondensed");
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QCOMPARE(QFontMetrics(tfcByStyleName).horizontalAdvance(testString()),
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QFontMetrics(tfcBySubfamilyName).horizontalAdvance(testString()));
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}
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void tst_QFontDatabase::rasterFonts()
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{
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QFont font(QLatin1String("Fixedsys"), 1000);
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QFontInfo fontInfo(font);
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if (fontInfo.family() != font.family())
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QSKIP("Fixedsys font not available.");
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QVERIFY(!QFontDatabase::isSmoothlyScalable(font.family()));
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QVERIFY(fontInfo.pointSize() != font.pointSize());
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}
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void tst_QFontDatabase::smoothFonts()
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{
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QFont font(QLatin1String("Arial"), 1000);
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QFontInfo fontInfo(font);
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if (fontInfo.family() != font.family())
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QSKIP("Arial font not available.");
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// Smooth and bitmap scaling are mutually exclusive
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QVERIFY(QFontDatabase::isSmoothlyScalable(font.family()));
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QVERIFY(!QFontDatabase::isBitmapScalable(font.family()));
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}
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void tst_QFontDatabase::registerOpenTypePreferredNamesSystem()
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{
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// This font family was picked because it was the only one I had installed which showcased the
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// problem
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if (!QFontDatabase::hasFamily(QString::fromLatin1("Source Code Pro ExtraLight")))
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QSKIP("Source Code Pro ExtraLight is not installed");
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QStringList styles = QFontDatabase::styles(QString::fromLatin1("Source Code Pro"));
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QVERIFY(styles.contains(QLatin1String("ExtraLight")));
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}
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void tst_QFontDatabase::registerOpenTypePreferredNamesApplication()
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{
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int id = QFontDatabase::addApplicationFont(QString::fromLatin1(":/testfont_open.otf"));
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if (id == -1)
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QSKIP("Skip the test since app fonts are not supported on this system");
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QStringList styles = QFontDatabase::styles(QString::fromLatin1("QtBidiTestFont"));
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QVERIFY(styles.contains(QLatin1String("Open")));
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QFontDatabase::removeApplicationFont(id);
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}
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#ifdef Q_OS_WIN
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void tst_QFontDatabase::findCourier()
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{
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QFont font = QFontDatabase::font(u"Courier"_s, u""_s, 16);
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QFontInfo info(font);
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QCOMPARE(info.family(), u"Courier New"_s);
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QCOMPARE(info.pointSize(), 16);
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font = QFontDatabase::font("Courier", "", 64);
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info = font;
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QCOMPARE(info.family(), u"Courier New"_s);
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QCOMPARE(info.pointSize(), 64);
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// By setting "PreferBitmap" we should get Courier itself.
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font.setStyleStrategy(QFont::PreferBitmap);
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info = font;
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QCOMPARE(info.family(), u"Courier"_s);
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// Which has an upper bound on point size
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QCOMPARE(info.pointSize(), 19);
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font.setStyleStrategy(QFont::PreferDefault);
|
|
info = font;
|
|
QCOMPARE(info.family(), u"Courier New"_s);
|
|
QCOMPARE(info.pointSize(), 64);
|
|
}
|
|
#endif
|
|
|
|
QTEST_MAIN(tst_QFontDatabase)
|
|
#include "tst_qfontdatabase.moc"
|