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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
62class Q_GUI_EXPORT QStaticTextUserData
63{
64public:
65 enum Type {
66 NoUserData,
67 OpenGLUserData
68 };
69
70 QStaticTextUserData(Type t) : ref(0), type(t) {}
71 virtual ~QStaticTextUserData();
72
73 QAtomicInt ref;
74 Type type;
75};
76
77class Q_GUI_EXPORT QStaticTextItem
78{
79public:
80 QStaticTextItem() : useBackendOptimizations(false),
81 userDataNeedsUpdate(0), usesRawFont(0),
82 m_fontEngine(nullptr), m_userData(nullptr) {}
83
84 void setUserData(QStaticTextUserData *newUserData)
85 {
86 m_userData = newUserData;
87 }
88 QStaticTextUserData *userData() const { return m_userData.data(); }
89
90 void setFontEngine(QFontEngine *fe)
91 {
92 m_fontEngine = fe;
93 }
94
95 QFontEngine *fontEngine() const { return m_fontEngine.data(); }
96
97 union {
98 QFixedPoint *glyphPositions; // 8 bytes per glyph
99 int positionOffset;
100 };
101 union {
102 glyph_t *glyphs; // 4 bytes per glyph
103 int glyphOffset;
104 };
105 // =================
106 // 12 bytes per glyph
107
108 // 8 bytes for pointers
109 int numGlyphs; // 4 bytes per item
110 QFont font; // 8 bytes per item
111 QColor color; // 10 bytes per item
112 char useBackendOptimizations : 1; // 1 byte per item
113 char userDataNeedsUpdate : 1; //
114 char usesRawFont : 1; //
115
116private: // private to avoid abuse
117 QExplicitlySharedDataPointer<QFontEngine> m_fontEngine; // 4 bytes per item
118 QExplicitlySharedDataPointer<QStaticTextUserData> m_userData; // 8 bytes per item
119 // ================
120 // 43 bytes per item
121};
122Q_DECLARE_TYPEINFO(QStaticTextItem, Q_MOVABLE_TYPE);
123
124class QStaticText;
125class Q_AUTOTEST_EXPORT QStaticTextPrivate
126{
127public:
128 QStaticTextPrivate();
129 QStaticTextPrivate(const QStaticTextPrivate &other);
130 ~QStaticTextPrivate();
131
132 void init();
133 void paintText(const QPointF &pos, QPainter *p, const QColor &pen);
134
135 void invalidate()
136 {
137 needsRelayout = true;
138 }
139
140 QAtomicInt ref; // 4 bytes per text
141
142 QString text; // 4 bytes per text
143 QFont font; // 8 bytes per text
144 qreal textWidth; // 8 bytes per text
145 QSizeF actualSize; // 16 bytes per text
146 QPointF position; // 16 bytes per text
147
148 QTransform matrix; // 80 bytes per text
149 QStaticTextItem *items; // 4 bytes per text
150 int itemCount; // 4 bytes per text
151
152 glyph_t *glyphPool; // 4 bytes per text
153 QFixedPoint *positionPool; // 4 bytes per text
154
155 QTextOption textOption; // 28 bytes per text
156
157 unsigned char needsRelayout : 1; // 1 byte per text
158 unsigned char useBackendOptimizations : 1;
159 unsigned char textFormat : 2;
160 unsigned char untransformedCoordinates : 1;
161 // ================
162 // 191 bytes per text
163
164 static QStaticTextPrivate *get(const QStaticText *q);
165};
166
167QT_END_NAMESPACE
168
169#endif // QSTATICTEXT_P_H
170