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// Copyright (C) 2016 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 QSGOPENVGFONTGLYPHCACHE_H
#define QSGOPENVGFONTGLYPHCACHE_H
#include <QtGui/QGlyphRun>
#include <QtCore/QSet>
#include <VG/openvg.h>
QT_BEGIN_NAMESPACE
class QSGOpenVGFontGlyphCache;
class QSGOpenVGFontGlyphCacheManager
{
public:
QSGOpenVGFontGlyphCacheManager();
~QSGOpenVGFontGlyphCacheManager();
QSGOpenVGFontGlyphCache *cache(const QRawFont &font);
void insertCache(const QRawFont &font, QSGOpenVGFontGlyphCache *cache);
private:
QHash<QRawFont, QSGOpenVGFontGlyphCache *> m_caches;
};
class QSGOpenVGFontGlyphCache
{
public:
QSGOpenVGFontGlyphCache(QSGOpenVGFontGlyphCacheManager *manager, const QRawFont &font);
~QSGOpenVGFontGlyphCache();
const QSGOpenVGFontGlyphCacheManager *manager() const { return m_manager; }
const QRawFont &referenceFont() const { return m_referenceFont; }
int glyphCount() const { return m_glyphCount; }
void populate(const QVector<quint32> &glyphs);
void release(const QVector<quint32> &glyphs);
VGFont font() { return m_font; }
private:
void requestGlyphs(const QSet<quint32> &glyphs);
void referenceGlyphs(const QSet<quint32> &glyphs);
void releaseGlyphs(const QSet<quint32> &glyphs);
QSGOpenVGFontGlyphCacheManager *m_manager;
QRawFont m_referenceFont;
int m_glyphCount;
VGFont m_font;
QHash<quint32, int> m_glyphReferences;
};
QT_END_NAMESPACE
#endif // QSGOPENVGFONTGLYPHCACHE_H
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