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// Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QT3DEXTRAS_QTEXT2DENTITY_P_H
#define QT3DEXTRAS_QTEXT2DENTITY_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DCore/private/qentity_p.h>
#include <Qt3DExtras/private/distancefieldtextrenderer_p.h>
#include <Qt3DExtras/private/qdistancefieldglyphcache_p.h>
#include <QFont>
QT_BEGIN_NAMESPACE
namespace Qt3DCore {
class QScene;
}
namespace Qt3DRender {
class QGeometryRenderer;
class QGeometry;
class QMaterial;
class QAttribute;
class QBuffer;
}
namespace Qt3DExtras {
class QText2DMaterial;
class QText2DEntity;
class QText2DEntityPrivate : public Qt3DCore::QEntityPrivate
{
public:
QText2DEntityPrivate();
~QText2DEntityPrivate();
Q_DECLARE_PUBLIC(QText2DEntity)
// keep track of the glyphs currently being displayed,
// to guarantee proper glyph ref-counting in the
// QDistanceFieldGlyphCache
QList<QGlyphRun> m_currentGlyphRuns;
QDistanceFieldGlyphCache *m_glyphCache;
void setScene(Qt3DCore::QScene *scene) override;
QFont m_font;
QFont m_scaledFont; // ignore point or pixel size, set to default value
QColor m_color;
QString m_text;
float m_width;
float m_height;
Qt::Alignment m_alignment;
QList<DistanceFieldTextRenderer*> m_renderers;
qreal computeActualScale() const;
void setCurrentGlyphRuns(const QList<QGlyphRun> &runs);
void clearCurrentGlyphRuns();
void updateGlyphs();
struct CacheEntry
{
QDistanceFieldGlyphCache *glyphCache = nullptr;
int count = 0;
};
static QHash<Qt3DCore::QScene *, CacheEntry> m_glyphCacheInstances;
};
} // namespace Qt3DExtras
QT_END_NAMESPACE
#endif // QT3DEXTRAS_QTEXT2DENTITY_P_H