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Add Qt 5.6 support to the headless fontconfig database

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This commit is contained in:
Kovid Goyal 2016-02-02 10:00:48 +05:30
parent 1c580d1eba
commit df452b4d72
1 changed files with 34 additions and 16 deletions
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50
src/calibre/headless/fontconfig_database.cpp
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@ -1,7 +1,7 @@
/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
@ -10,9 +10,9 @@
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
@ -23,8 +23,8 @@
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
@ -44,6 +44,9 @@
#include <QtPlatformSupport/private/qfontenginemultifontconfig_p.h>
#include <QtGui/private/qfontengine_ft_p.h>
#include <QtGui/private/qguiapplication_p.h>
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
#include <QtGui/private/qhighdpiscaling_p.h>
#endif
#include <QtGui/qguiapplication.h>
@ -266,10 +269,20 @@ static const char *specialLanguages[] = {
"sa", // Siddham
"sd", // Khudawadi
"mai", // Tirhuta
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
"hoc", // WarangCiti
"", // Ahom
"", // AnatolianHieroglyphs
"", // Hatran
"", // Multani
"", // OldHungarian
"" // SignWriting
#else
"hoc" // WarangCiti
#endif // Qt >= 5.6.0
#else
"doi" // Takri
#endif
#endif // Qt >= 5.5.0
};
Q_STATIC_ASSERT(sizeof(specialLanguages) / sizeof(const char *) == QChar::ScriptCount);
@ -587,6 +600,11 @@ QFontEngine::HintStyle defaultHintStyleFromMatch(QFont::HintingPreference hintin
}
// Removed by Kovid for headless QPA
#if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
if (QHighDpiScaling::isActive())
return QFontEngine::HintNone;
#endif
if (useXftConf) {
void *hintStyleResource =
@ -739,15 +757,19 @@ QStringList QFontconfigDatabase::fallbacksForFamily(const QString &family, QFont
FcPatternDestroy(pattern);
if (fontSet) {
QSet<QString> duplicates;
duplicates.reserve(fontSet->nfont + 1);
duplicates.insert(family.toCaseFolded());
for (int i = 0; i < fontSet->nfont; i++) {
FcChar8 *value = 0;
if (FcPatternGetString(fontSet->fonts[i], FC_FAMILY, 0, &value) != FcResultMatch)
continue;
// capitalize(value);
QString familyName = QString::fromUtf8((const char *)value);
if (!fallbackFamilies.contains(familyName,Qt::CaseInsensitive) &&
familyName.compare(family, Qt::CaseInsensitive)) {
const QString familyName = QString::fromUtf8((const char *)value);
const QString familyNameCF = familyName.toCaseFolded();
if (!duplicates.contains(familyNameCF)) {
fallbackFamilies << familyName;
duplicates.insert(familyNameCF);
}
}
FcFontSetDestroy(fontSet);
@ -885,10 +907,8 @@ void QFontconfigDatabase::setupFontEngine(QFontEngineFT *engine, const QFontDef
QGuiApplication::platformNativeInterface()->nativeResourceForScreen("antialiasingEnabled",
QGuiApplication::primaryScreen());
int antialiasingEnabled = int(reinterpret_cast<qintptr>(antialiasResource));
if (antialiasingEnabled > 0) {
if (antialiasingEnabled > 0)
antialias = antialiasingEnabled - 1;
forcedAntialiasSetting = true;
}
}
QFontEngine::GlyphFormat format;
@ -964,5 +984,3 @@ void QFontconfigDatabase::setupFontEngine(QFontEngineFT *engine, const QFontDef
}
QT_END_NAMESPACE