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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWINDOWSFONTDATABASE_H
#define QWINDOWSFONTDATABASE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qwindowsfontdatabasebase_p.h"
#include <qpa/qplatformfontdatabase.h>
#include <QtCore/QSharedPointer>
#include <QtCore/QLoggingCategory>
#include <QtCore/qt_windows.h>
QT_BEGIN_NAMESPACE
class QWindowsFontDatabase : public QWindowsFontDatabaseBase
{
Q_DISABLE_COPY_MOVE(QWindowsFontDatabase)
public:
enum FontOptions {
// Relevant bits from QWindowsIntegration::Options
DontUseDirectWriteFonts = 0x40,
DontUseColorFonts = 0x80
};
QWindowsFontDatabase();
~QWindowsFontDatabase() override;
void ensureFamilyPopulated(const QString &familyName);
void populateFontDatabase() override;
void populateFamily(const QString &familyName) override;
QFontEngine *fontEngine(const QFontDef &fontDef, void *handle) override;
QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) override;
QStringList fallbacksForFamily(const QString &family, QFont::Style style, QFont::StyleHint styleHint, QChar::Script script) const override;
QStringList addApplicationFont(const QByteArray &fontData, const QString &fileName) override;
void releaseHandle(void *handle) override;
QString fontDir() const override;
QFont defaultFont() const override { return systemDefaultFont(); }
bool fontsAlwaysScalable() const override;
void derefUniqueFont(const QString &uniqueFont);
void refUniqueFont(const QString &uniqueFont);
bool isPrivateFontFamily(const QString &family) const override;
static QFontEngine *createEngine(const QFontDef &request, const QString &faceName,
int dpi,
const QSharedPointer<QWindowsFontEngineData> &data);
static qreal fontSmoothingGamma();
static void setFontOptions(unsigned options);
static unsigned fontOptions();
private:
void removeApplicationFonts();
void addDefaultEUDCFont();
struct WinApplicationFont {
HANDLE handle;
QString fileName;
};
QList<WinApplicationFont> m_applicationFonts;
struct UniqueFontData {
HANDLE handle;
QAtomicInt refCount;
};
QMap<QString, UniqueFontData> m_uniqueFontData;
static unsigned m_fontOptions;
QStringList m_eudcFonts;
};
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug, const QFontDef &def);
#endif
inline quint16 qt_getUShort(const unsigned char *p)
{
quint16 val;
val = *p++ << 8;
val |= *p;
return val;
}
struct QFontNames
{
QString name; // e.g. "DejaVu Sans Condensed"
QString style; // e.g. "Italic"
QString preferredName; // e.g. "DejaVu Sans"
QString preferredStyle; // e.g. "Condensed Italic"
};
struct QFontValues
{
quint16 weight = 0;
bool isItalic = false;
bool isOverstruck = false;
bool isUnderlined = false;
};
bool qt_localizedName(const QString &name);
QString qt_getEnglishName(const QString &familyName, bool includeStyle = false);
QFontNames qt_getCanonicalFontNames(const LOGFONT &lf);
QT_END_NAMESPACE
#endif // QWINDOWSFONTDATABASE_H
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