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39
40#ifndef QT3DEXTRAS_QTEXT2DENTITY_P_H
41#define QT3DEXTRAS_QTEXT2DENTITY_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <Qt3DCore/private/qentity_p.h>
55#include <Qt3DExtras/private/distancefieldtextrenderer_p.h>
56#include <Qt3DExtras/private/qdistancefieldglyphcache_p.h>
57#include <QFont>
58
59QT_BEGIN_NAMESPACE
60
61namespace Qt3DCore {
62class QScene;
63}
64
65namespace Qt3DRender {
66class QGeometryRenderer;
67class QGeometry;
68class QMaterial;
69class QAttribute;
70class QBuffer;
71}
72
73namespace Qt3DExtras {
74
75class QText2DMaterial;
76class QText2DEntity;
77
78class QText2DEntityPrivate : public Qt3DCore::QEntityPrivate
79{
80public:
81 QText2DEntityPrivate();
82 ~QText2DEntityPrivate();
83
84 Q_DECLARE_PUBLIC(QText2DEntity)
85
86 // keep track of the glyphs currently being displayed,
87 // to guarantee proper glyph ref-counting in the
88 // QDistanceFieldGlyphCache
89 QVector<QGlyphRun> m_currentGlyphRuns;
90 QDistanceFieldGlyphCache *m_glyphCache;
91
92 void setScene(Qt3DCore::QScene *scene) override;
93
94 QFont m_font;
95 QFont m_scaledFont; // ignore point or pixel size, set to default value
96
97 QColor m_color;
98 QString m_text;
99 float m_width;
100 float m_height;
101
102 QVector<DistanceFieldTextRenderer*> m_renderers;
103
104 float computeActualScale() const;
105
106 void setCurrentGlyphRuns(const QVector<QGlyphRun> &runs);
107 void clearCurrentGlyphRuns();
108 void update();
109
110 struct CacheEntry
111 {
112 QDistanceFieldGlyphCache *glyphCache = nullptr;
113 int count = 0;
114 };
115
116 static QHash<Qt3DCore::QScene *, CacheEntry> m_glyphCacheInstances;
117};
118
119} // namespace Qt3DExtras
120
121QT_END_NAMESPACE
122
123#endif // QT3DEXTRAS_QTEXT2DENTITY_P_H
124

source code of qt3d/src/extras/text/qtext2dentity_p.h