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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QWINDOWSFONTDATABASEBASE_P_H
#define QWINDOWSFONTDATABASEBASE_P_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 <qpa/qplatformfontdatabase.h>
#include <QtGui/private/qtgui-config_p.h>
#include <QtCore/QSharedPointer>
#include <QtCore/QLoggingCategory>
#include <QtCore/qt_windows.h>
#if QT_CONFIG(directwrite)
struct IDWriteFactory;
struct IDWriteGdiInterop;
struct IDWriteFontFace;
#endif
QT_BEGIN_NAMESPACE
class QWindowsFontEngineData
{
Q_DISABLE_COPY_MOVE(QWindowsFontEngineData)
public:
QWindowsFontEngineData();
~QWindowsFontEngineData();
uint pow_gamma[256];
bool clearTypeEnabled = false;
qreal fontSmoothingGamma;
HDC hdc = 0;
#if QT_CONFIG(directwrite)
IDWriteFactory *directWriteFactory = nullptr;
IDWriteGdiInterop *directWriteGdiInterop = nullptr;
#endif
};
class Q_GUI_EXPORT QWindowsFontDatabaseBase : public QPlatformFontDatabase
{
public:
QWindowsFontDatabaseBase();
~QWindowsFontDatabaseBase() override;
QFontEngine *fontEngine(const QByteArray &fontData, qreal pixelSize, QFont::HintingPreference hintingPreference) override;
static int defaultVerticalDPI();
static void setDefaultVerticalDPI(int d);
static QSharedPointer<QWindowsFontEngineData> data();
#if QT_CONFIG(directwrite)
static void createDirectWriteFactory(IDWriteFactory **factory);
#endif
static QFont systemDefaultFont();
static HFONT systemFont();
static LOGFONT fontDefToLOGFONT(const QFontDef &fontDef, const QString &faceName);
static QFont LOGFONT_to_QFont(const LOGFONT& lf, int verticalDPI = 0);
static QString familyForStyleHint(QFont::StyleHint styleHint);
static QStringList extraTryFontsForFamily(const QString &family);
class FontTable{};
class EmbeddedFont
{
public:
EmbeddedFont(const QByteArray &fontData) : m_fontData(fontData) {}
QString changeFamilyName(const QString &newFamilyName);
QByteArray data() const { return m_fontData; }
void updateFromOS2Table(QFontEngine *fontEngine);
FontTable *tableDirectoryEntry(const QByteArray &tagName);
QString familyName(FontTable *nameTableDirectory = nullptr);
private:
QByteArray m_fontData;
};
QFontDef sanitizeRequest(QFontDef request) const;
protected:
#if QT_CONFIG(directwrite)
IDWriteFontFace *createDirectWriteFace(const QByteArray &fontData) const;
#endif
private:
static bool init(QSharedPointer<QWindowsFontEngineData> data);
};
QT_END_NAMESPACE
#endif // QWINDOWSFONTDATABASEBASE_P_H
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