Qt
Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qfontenginemultifontconfig_p.h
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1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QFONTENGINEMULTIFONTCONFIG_H
5#define QFONTENGINEMULTIFONTCONFIG_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtGui/private/qfontengine_p.h>
19#include <fontconfig/fontconfig.h>
20
22
23class Q_GUI_EXPORT QFontEngineMultiFontConfig : public QFontEngineMulti
24{
25public:
26 explicit QFontEngineMultiFontConfig(QFontEngine *fe, int script);
27
28 ~QFontEngineMultiFontConfig();
29
30 bool shouldLoadFontEngineForCharacter(int at, uint ucs4) const override;
31private:
32 FcPattern* getMatchPatternForFallback(int at) const;
33
34 mutable QList<FcPattern *> cachedMatchPatterns;
35};
36
37QT_END_NAMESPACE
38
39#endif // QFONTENGINEMULTIFONTCONFIG_H
static int stretchFromFcWidth(int fcwidth)
static QT_BEGIN_NAMESPACE int mapToQtWeightForRange(int fcweight, int fcLower, int fcUpper, int qtLower, int qtUpper)
static FcPattern * queryFont(const FcChar8 *file, const QByteArray &data, int id, FcBlanks *blanks, int *count, FT_Face *face)
static int weightFromFcWeight(int fcweight)
static const char languageForWritingSystem[][6]
static const char specialLanguages[][6]
static void populateFromPattern(FcPattern *pattern, QFontDatabasePrivate::ApplicationFont *applicationFont=nullptr, FT_Face face=nullptr, QFontconfigDatabase *db=nullptr)
static bool isDprScaling()
static bool requiresOpenType(int writingSystem)
static const char * getFcFamilyForStyleHint(const QFont::StyleHint style)