qt5base-lts/tests/auto/gui/text/qfontdatabase/tst_qfontdatabase.cpp
Qt Forward Merge Bot 1783fca897 Merge remote-tracking branch 'origin/5.11' into dev
Conflicts:
	src/plugins/platforms/cocoa/qcocoawindow.mm
	src/plugins/platforms/xcb/qxcbintegration.cpp

 Conflicts git missed:
	src/plugins/platforms/qnx/qqnxglcontext.cpp

Change-Id: I0582cdc9e66e43efe79038b9c43d4f9572ac88fc
2018-07-17 10:19:22 +02:00

403 lines
12 KiB
C++

/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
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****************************************************************************/
#include <QtTest/QtTest>
#include <qfontdatabase.h>
#include <qfontinfo.h>
#include <qfontmetrics.h>
#include <qtextlayout.h>
#include <private/qrawfont_p.h>
#include <qpa/qplatformfontdatabase.h>
class tst_QFontDatabase : public QObject
{
Q_OBJECT
public:
tst_QFontDatabase();
private slots:
void initTestCase();
void styles_data();
void styles();
void fixedPitch_data();
void fixedPitch();
#ifdef Q_OS_MAC
void trickyFonts_data();
void trickyFonts();
#endif
void widthTwoTimes_data();
void widthTwoTimes();
void addAppFont_data();
void addAppFont();
void aliases();
void fallbackFonts();
void condensedFontWidth();
void condensedFontWidthNoFontMerging();
void condensedFontMatching();
void rasterFonts();
void smoothFonts();
private:
QString m_ledFont;
QString m_testFont;
QString m_testFontCondensed;
};
tst_QFontDatabase::tst_QFontDatabase()
{
}
void tst_QFontDatabase::initTestCase()
{
m_ledFont = QFINDTESTDATA("LED_REAL.TTF");
m_testFont = QFINDTESTDATA("testfont.ttf");
m_testFontCondensed = QFINDTESTDATA("testfont_condensed.ttf");
QVERIFY(!m_ledFont.isEmpty());
QVERIFY(!m_testFont.isEmpty());
QVERIFY(!m_testFontCondensed.isEmpty());
}
void tst_QFontDatabase::styles_data()
{
QTest::addColumn<QString>("font");
QTest::newRow( "data0" ) << QString( "Times New Roman" );
}
void tst_QFontDatabase::styles()
{
QFETCH( QString, font );
QFontDatabase fdb;
QStringList styles = fdb.styles( font );
QStringList::Iterator it = styles.begin();
while ( it != styles.end() ) {
QString style = *it;
QString trimmed = style.trimmed();
++it;
QCOMPARE(style, trimmed);
}
}
void tst_QFontDatabase::fixedPitch_data()
{
QTest::addColumn<QString>("font");
QTest::addColumn<bool>("fixedPitch");
QTest::newRow( "Times New Roman" ) << QString( "Times New Roman" ) << false;
QTest::newRow( "Arial" ) << QString( "Arial" ) << false;
QTest::newRow( "Andale Mono" ) << QString( "Andale Mono" ) << true;
QTest::newRow( "Courier" ) << QString( "Courier" ) << true;
QTest::newRow( "Courier New" ) << QString( "Courier New" ) << true;
#ifndef Q_OS_MAC
QTest::newRow( "Script" ) << QString( "Script" ) << false;
QTest::newRow( "Lucida Console" ) << QString( "Lucida Console" ) << true;
QTest::newRow( "DejaVu Sans" ) << QString( "DejaVu Sans" ) << false;
QTest::newRow( "DejaVu Sans Mono" ) << QString( "DejaVu Sans Mono" ) << true;
#else
QTest::newRow( "Menlo" ) << QString( "Menlo" ) << true;
QTest::newRow( "Monaco" ) << QString( "Monaco" ) << true;
#endif
}
void tst_QFontDatabase::fixedPitch()
{
QFETCH(QString, font);
QFETCH(bool, fixedPitch);
QFontDatabase fdb;
if (!fdb.families().contains(font))
QSKIP("Font not installed");
QCOMPARE(fdb.isFixedPitch(font), fixedPitch);
QFont qfont(font);
QFontInfo fi(qfont);
QCOMPARE(fi.fixedPitch(), fixedPitch);
}
#ifdef Q_OS_MAC
void tst_QFontDatabase::trickyFonts_data()
{
QTest::addColumn<QString>("font");
QTest::newRow( "Geeza Pro" ) << QString( "Geeza Pro" );
}
void tst_QFontDatabase::trickyFonts()
{
QFETCH(QString, font);
QFontDatabase fdb;
if (!fdb.families().contains(font))
QSKIP( "Font not installed");
QFont qfont(font);
QFontInfo fi(qfont);
QCOMPARE(fi.family(), font);
}
#endif
void tst_QFontDatabase::widthTwoTimes_data()
{
QTest::addColumn<QString>("font");
QTest::addColumn<int>("pixelSize");
QTest::addColumn<QString>("text");
QTest::newRow("Arial") << QString("Arial") << 1000 << QString("Some text");
}
void tst_QFontDatabase::widthTwoTimes()
{
QFETCH(QString, font);
QFETCH(int, pixelSize);
QFETCH(QString, text);
QFont f;
f.setFamily(font);
f.setPixelSize(pixelSize);
QFontMetrics fm(f);
int w1 = fm.charWidth(text, 0);
int w2 = fm.charWidth(text, 0);
QCOMPARE(w1, w2);
}
void tst_QFontDatabase::addAppFont_data()
{
QTest::addColumn<bool>("useMemoryFont");
QTest::newRow("font file") << false;
QTest::newRow("memory font") << true;
}
void tst_QFontDatabase::addAppFont()
{
QFETCH(bool, useMemoryFont);
QSignalSpy fontDbChangedSpy(QGuiApplication::instance(), SIGNAL(fontDatabaseChanged()));
QFontDatabase db;
const QStringList oldFamilies = db.families();
QVERIFY(!oldFamilies.isEmpty());
fontDbChangedSpy.clear();
int id;
if (useMemoryFont) {
QFile fontfile(m_ledFont);
fontfile.open(QIODevice::ReadOnly);
QByteArray fontdata = fontfile.readAll();
QVERIFY(!fontdata.isEmpty());
id = QFontDatabase::addApplicationFontFromData(fontdata);
} else {
id = QFontDatabase::addApplicationFont(m_ledFont);
}
#if defined(Q_OS_HPUX) && defined(QT_NO_FONTCONFIG)
// Documentation says that X11 systems that don't have fontconfig
// don't support application fonts.
QCOMPARE(id, -1);
return;
#endif
QCOMPARE(fontDbChangedSpy.count(), 1);
if (id == -1)
QSKIP("Skip the test since app fonts are not supported on this system");
const QStringList addedFamilies = QFontDatabase::applicationFontFamilies(id);
QVERIFY(!addedFamilies.isEmpty());
const QStringList newFamilies = db.families();
QVERIFY(!newFamilies.isEmpty());
QVERIFY(newFamilies.count() >= oldFamilies.count());
for (int i = 0; i < addedFamilies.count(); ++i) {
QString family = addedFamilies.at(i);
QVERIFY(newFamilies.contains(family));
QFont qfont(family);
QFontInfo fi(qfont);
QCOMPARE(fi.family(), family);
}
QVERIFY(QFontDatabase::removeApplicationFont(id));
QCOMPARE(fontDbChangedSpy.count(), 2);
QCOMPARE(db.families(), oldFamilies);
}
void tst_QFontDatabase::aliases()
{
QFontDatabase db;
const QStringList families = db.families();
QVERIFY(!families.isEmpty());
const QString firstFont = families.front();
QVERIFY(db.hasFamily(firstFont));
const QString alias = QStringLiteral("AliasToFirstFont") + firstFont;
QVERIFY(!db.hasFamily(alias));
QPlatformFontDatabase::registerAliasToFontFamily(firstFont, alias);
QVERIFY(db.hasFamily(alias));
}
void tst_QFontDatabase::fallbackFonts()
{
QTextLayout layout;
QString s;
s.append(QChar(0x31));
s.append(QChar(0x05D0));
layout.setText(s);
layout.beginLayout();
layout.createLine();
layout.endLayout();
QList<QGlyphRun> runs = layout.glyphRuns(0, 1);
foreach (QGlyphRun run, runs) {
QRawFont rawFont = run.rawFont();
QVERIFY(rawFont.isValid());
QCOMPARE(run.glyphIndexes().size(), 1);
QVERIFY(run.glyphIndexes().at(0) != 0);
}
}
static QString testString()
{
return QStringLiteral("foo bar");
}
void tst_QFontDatabase::condensedFontWidthNoFontMerging()
{
int regularFontId = QFontDatabase::addApplicationFont(m_testFont);
int condensedFontId = QFontDatabase::addApplicationFont(m_testFontCondensed);
QVERIFY(!QFontDatabase::applicationFontFamilies(regularFontId).isEmpty());
QVERIFY(!QFontDatabase::applicationFontFamilies(condensedFontId).isEmpty());
QString regularFontName = QFontDatabase::applicationFontFamilies(regularFontId).first();
QString condensedFontName = QFontDatabase::applicationFontFamilies(condensedFontId).first();
QFont condensedFont1(condensedFontName);
if (regularFontName == condensedFontName)
condensedFont1.setStyleName(QStringLiteral("Condensed"));
condensedFont1.setStyleStrategy(QFont::PreferMatch);
QFont condensedFont2 = condensedFont1;
condensedFont2.setStyleStrategy(QFont::StyleStrategy(QFont::NoFontMerging | QFont::PreferMatch));
QCOMPARE(QFontMetricsF(condensedFont2).horizontalAdvance(QStringLiteral("foobar")),
QFontMetricsF(condensedFont1).horizontalAdvance(QStringLiteral("foobar")));
}
void tst_QFontDatabase::condensedFontWidth()
{
QFontDatabase db;
QFontDatabase::addApplicationFont(m_testFont);
QFontDatabase::addApplicationFont(m_testFontCondensed);
QVERIFY(db.hasFamily("QtBidiTestFont"));
if (!db.hasFamily("QtBidiTestFontCondensed"))
QSKIP("This platform doesn't support font sub-family names (QTBUG-55625)");
// Test we really get a condensed font, and a not renormalized one (QTBUG-48043):
QFont testFont("QtBidiTestFont");
QFont testFontCondensed("QtBidiTestFontCondensed");
QFontMetrics fmTF(testFont);
QFontMetrics fmTFC(testFontCondensed);
QVERIFY(fmTF.horizontalAdvance(testString()) > fmTFC.horizontalAdvance(testString()));
}
void tst_QFontDatabase::condensedFontMatching()
{
QFontDatabase db;
QFontDatabase::removeAllApplicationFonts();
QFontDatabase::addApplicationFont(m_testFontCondensed);
if (!db.hasFamily("QtBidiTestFont"))
QSKIP("This platform doesn't support preferred font family names (QTBUG-53478)");
QFontDatabase::addApplicationFont(m_testFont);
// Test we correctly get the condensed font using different font matching methods:
QFont tfcByStretch("QtBidiTestFont");
tfcByStretch.setStretch(QFont::Condensed);
QFont tfcByStyleName("QtBidiTestFont");
tfcByStyleName.setStyleName("Condensed");
#ifdef Q_OS_WIN
QEXPECT_FAIL("","No matching of sub-family by stretch on Windows", Continue);
#endif
#ifdef Q_OS_ANDROID
QEXPECT_FAIL("", "QTBUG-69216", Continue);
#endif
QCOMPARE(QFontMetrics(tfcByStretch).horizontalAdvance(testString()),
QFontMetrics(tfcByStyleName).horizontalAdvance(testString()));
if (!db.hasFamily("QtBidiTestFontCondensed"))
QSKIP("This platform doesn't support font sub-family names (QTBUG-55625)");
QFont tfcBySubfamilyName("QtBidiTestFontCondensed");
QCOMPARE(QFontMetrics(tfcByStyleName).horizontalAdvance(testString()),
QFontMetrics(tfcBySubfamilyName).horizontalAdvance(testString()));
}
void tst_QFontDatabase::rasterFonts()
{
QFont font(QLatin1String("Fixedsys"), 1000);
QFontInfo fontInfo(font);
if (fontInfo.family() != font.family())
QSKIP("Fixedsys font not available.");
QVERIFY(!QFontDatabase().isSmoothlyScalable(font.family()));
QVERIFY(fontInfo.pointSize() != font.pointSize());
}
void tst_QFontDatabase::smoothFonts()
{
QFont font(QLatin1String("Arial"), 1000);
QFontInfo fontInfo(font);
if (fontInfo.family() != font.family())
QSKIP("Arial font not available.");
// Smooth and bitmap scaling are mutually exclusive
QVERIFY(QFontDatabase().isSmoothlyScalable(font.family()));
QVERIFY(!QFontDatabase().isBitmapScalable(font.family()));
}
QTEST_MAIN(tst_QFontDatabase)
#include "tst_qfontdatabase.moc"