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| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
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| ** This file is part of the test suite of the Qt Toolkit. |
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| ****************************************************************************/ |
| |
| #ifndef QSTATICTEXT_P_H |
| #define QSTATICTEXT_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists for the convenience |
| // of internal files. This header file may change from version to version |
| // without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qstatictext.h" |
| |
| #include <private/qtextureglyphcache_p.h> |
| #include <QtGui/qcolor.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QStaticTextUserData |
| { |
| public: |
| enum Type { |
| NoUserData, |
| OpenGLUserData |
| }; |
| |
| QStaticTextUserData(Type t) : ref(0), type(t) {} |
| virtual ~QStaticTextUserData() {} |
| |
| QAtomicInt ref; |
| Type type; |
| }; |
| |
| class Q_GUI_EXPORT QStaticTextItem |
| { |
| public: |
| QStaticTextItem() : useBackendOptimizations(false), |
| userDataNeedsUpdate(0), usesRawFont(0), |
| m_fontEngine(0), m_userData(0) {} |
| |
| QStaticTextItem(const QStaticTextItem &other) |
| { |
| operator=(other); |
| } |
| |
| void operator=(const QStaticTextItem &other) |
| { |
| glyphPositions = other.glyphPositions; |
| glyphs = other.glyphs; |
| numGlyphs = other.numGlyphs; |
| font = other.font; |
| color = other.color; |
| useBackendOptimizations = other.useBackendOptimizations; |
| userDataNeedsUpdate = other.userDataNeedsUpdate; |
| usesRawFont = other.usesRawFont; |
| |
| m_fontEngine = 0; |
| m_userData = 0; |
| setUserData(other.userData()); |
| setFontEngine(other.fontEngine()); |
| } |
| |
| ~QStaticTextItem(); |
| |
| void setUserData(QStaticTextUserData *newUserData) |
| { |
| if (m_userData == newUserData) |
| return; |
| |
| if (m_userData != 0 && !m_userData->ref.deref()) |
| delete m_userData; |
| |
| m_userData = newUserData; |
| if (m_userData != 0) |
| m_userData->ref.ref(); |
| } |
| QStaticTextUserData *userData() const { return m_userData; } |
| |
| void setFontEngine(QFontEngine *fe); |
| QFontEngine *fontEngine() const { return m_fontEngine; } |
| |
| union { |
| QFixedPoint *glyphPositions; // 8 bytes per glyph |
| int positionOffset; |
| }; |
| union { |
| glyph_t *glyphs; // 4 bytes per glyph |
| int glyphOffset; |
| }; |
| // ================= |
| // 12 bytes per glyph |
| |
| // 8 bytes for pointers |
| int numGlyphs; // 4 bytes per item |
| QFont font; // 8 bytes per item |
| QColor color; // 10 bytes per item |
| char useBackendOptimizations : 1; // 1 byte per item |
| char userDataNeedsUpdate : 1; // |
| char usesRawFont : 1; // |
| |
| private: // Needs special handling in setters, so private to avoid abuse |
| QFontEngine *m_fontEngine; // 4 bytes per item |
| QStaticTextUserData *m_userData; // 8 bytes per item |
| // ================ |
| // 43 bytes per item |
| }; |
| |
| class QStaticText; |
| class Q_AUTOTEST_EXPORT QStaticTextPrivate |
| { |
| public: |
| QStaticTextPrivate(); |
| QStaticTextPrivate(const QStaticTextPrivate &other); |
| ~QStaticTextPrivate(); |
| |
| void init(); |
| void paintText(const QPointF &pos, QPainter *p); |
| |
| void invalidate() |
| { |
| needsRelayout = true; |
| } |
| |
| QAtomicInt ref; // 4 bytes per text |
| |
| QString text; // 4 bytes per text |
| QFont font; // 8 bytes per text |
| qreal textWidth; // 8 bytes per text |
| QSizeF actualSize; // 16 bytes per text |
| QPointF position; // 16 bytes per text |
| |
| QTransform matrix; // 80 bytes per text |
| QStaticTextItem *items; // 4 bytes per text |
| int itemCount; // 4 bytes per text |
| |
| glyph_t *glyphPool; // 4 bytes per text |
| QFixedPoint *positionPool; // 4 bytes per text |
| |
| QTextOption textOption; // 28 bytes per text |
| |
| unsigned char needsRelayout : 1; // 1 byte per text |
| unsigned char useBackendOptimizations : 1; |
| unsigned char textFormat : 2; |
| unsigned char untransformedCoordinates : 1; |
| // ================ |
| // 191 bytes per text |
| |
| static QStaticTextPrivate *get(const QStaticText *q); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QSTATICTEXT_P_H |