/src/qtbase/src/gui/text/qstatictext_p.h
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3 | | ** Copyright (C) 2016 The Qt Company Ltd. |
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5 | | ** |
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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 | | |
60 | | QT_BEGIN_NAMESPACE |
61 | | |
62 | | // ### Qt 6: Unexport again, if QOpenGLStaticTextUserData (the one from QtOpenGL) is gone by then |
63 | | class Q_GUI_EXPORT QStaticTextUserData |
64 | | { |
65 | | public: |
66 | | enum Type { |
67 | | NoUserData, |
68 | | OpenGLUserData |
69 | | }; |
70 | | |
71 | 0 | QStaticTextUserData(Type t) : ref(0), type(t) {} |
72 | | virtual ~QStaticTextUserData(); |
73 | | |
74 | | QAtomicInt ref; |
75 | | Type type; |
76 | | }; |
77 | | |
78 | | class Q_GUI_EXPORT QStaticTextItem |
79 | | { |
80 | | public: |
81 | 0 | QStaticTextItem() : useBackendOptimizations(false), |
82 | 0 | userDataNeedsUpdate(0), usesRawFont(0), |
83 | 0 | m_fontEngine(nullptr), m_userData(nullptr) {} |
84 | | |
85 | | void setUserData(QStaticTextUserData *newUserData) |
86 | 0 | { |
87 | 0 | m_userData = newUserData; |
88 | 0 | } |
89 | 0 | QStaticTextUserData *userData() const { return m_userData.data(); } |
90 | | |
91 | | void setFontEngine(QFontEngine *fe) |
92 | 0 | { |
93 | 0 | m_fontEngine = fe; |
94 | 0 | } |
95 | | |
96 | 0 | 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 | | |
117 | | private: // 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 | | }; |
123 | | Q_DECLARE_TYPEINFO(QStaticTextItem, Q_MOVABLE_TYPE); |
124 | | |
125 | | class QStaticText; |
126 | | class Q_AUTOTEST_EXPORT QStaticTextPrivate |
127 | | { |
128 | | public: |
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 | 0 | { |
138 | 0 | needsRelayout = true; |
139 | 0 | } |
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 | | |
168 | | QT_END_NAMESPACE |
169 | | |
170 | | #endif // QSTATICTEXT_P_H |