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39
40#ifndef QSTATICTEXT_P_H
41#define QSTATICTEXT_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 internal files. This header file may change from version to version
49// without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/private/qtguiglobal_p.h>
55#include "qstatictext.h"
56
57#include <private/qtextureglyphcache_p.h>
58#include <QtGui/qcolor.h>
59
60QT_BEGIN_NAMESPACE
61
62// ### Qt 6: Unexport again, if QOpenGLStaticTextUserData (the one from QtOpenGL) is gone by then
63class Q_GUI_EXPORT QStaticTextUserData
64{
65public:
66 enum Type {
67 NoUserData,
68 OpenGLUserData
69 };
70
71 QStaticTextUserData(Type t) : ref(0), type(t) {}
72 virtual ~QStaticTextUserData();
73
74 QAtomicInt ref;
75 Type type;
76};
77
78class Q_GUI_EXPORT QStaticTextItem
79{
80public:
81 QStaticTextItem() : useBackendOptimizations(false),
82 userDataNeedsUpdate(0), usesRawFont(0),
83 m_fontEngine(nullptr), m_userData(nullptr) {}
84
85 void setUserData(QStaticTextUserData *newUserData)
86 {
87 m_userData = newUserData;
88 }
89 QStaticTextUserData *userData() const { return m_userData.data(); }
90
91 void setFontEngine(QFontEngine *fe)
92 {
93 m_fontEngine = fe;
94 }
95
96 QFontEngine *fontEngine() const { return m_fontEngine.data(); }
97
98 union {
99 QFixedPoint *glyphPositions; // 8 bytes per glyph
100 int positionOffset;
101 };
102 union {
103 glyph_t *glyphs; // 4 bytes per glyph
104 int glyphOffset;
105 };
106 // =================
107 // 12 bytes per glyph
108
109 // 8 bytes for pointers
110 int numGlyphs; // 4 bytes per item
111 QFont font; // 8 bytes per item
112 QColor color; // 10 bytes per item
113 char useBackendOptimizations : 1; // 1 byte per item
114 char userDataNeedsUpdate : 1; //
115 char usesRawFont : 1; //
116
117private: // private to avoid abuse
118 QExplicitlySharedDataPointer<QFontEngine> m_fontEngine; // 4 bytes per item
119 QExplicitlySharedDataPointer<QStaticTextUserData> m_userData; // 8 bytes per item
120 // ================
121 // 43 bytes per item
122};
123Q_DECLARE_TYPEINFO(QStaticTextItem, Q_MOVABLE_TYPE);
124
125class QStaticText;
126class Q_AUTOTEST_EXPORT QStaticTextPrivate
127{
128public:
129 QStaticTextPrivate();
130 QStaticTextPrivate(const QStaticTextPrivate &other);
131 ~QStaticTextPrivate();
132
133 void init();
134 void paintText(const QPointF &pos, QPainter *p, const QColor &pen);
135
136 void invalidate()
137 {
138 needsRelayout = true;
139 }
140
141 QAtomicInt ref; // 4 bytes per text
142
143 QString text; // 4 bytes per text
144 QFont font; // 8 bytes per text
145 qreal textWidth; // 8 bytes per text
146 QSizeF actualSize; // 16 bytes per text
147 QPointF position; // 16 bytes per text
148
149 QTransform matrix; // 80 bytes per text
150 QStaticTextItem *items; // 4 bytes per text
151 int itemCount; // 4 bytes per text
152
153 glyph_t *glyphPool; // 4 bytes per text
154 QFixedPoint *positionPool; // 4 bytes per text
155
156 QTextOption textOption; // 28 bytes per text
157
158 unsigned char needsRelayout : 1; // 1 byte per text
159 unsigned char useBackendOptimizations : 1;
160 unsigned char textFormat : 2;
161 unsigned char untransformedCoordinates : 1;
162 // ================
163 // 191 bytes per text
164
165 static QStaticTextPrivate *get(const QStaticText *q);
166};
167
168QT_END_NAMESPACE
169
170#endif // QSTATICTEXT_P_H
171