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/****************************************************************************
**
** Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#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
QVector<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;
QVector<DistanceFieldTextRenderer*> m_renderers;
float computeActualScale() const;
void setCurrentGlyphRuns(const QVector<QGlyphRun> &runs);
void clearCurrentGlyphRuns();
void update();
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
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