/**************************************************************************** | |
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
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** This file is part of the test suite of the Qt Toolkit. | |
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** GNU General Public License Usage | |
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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) : type(t) { ref = 0; } | |
virtual ~QStaticTextUserData() {} | |
QAtomicInt ref; | |
Type type; | |
}; | |
class Q_GUI_EXPORT QStaticTextItem | |
{ | |
public: | |
QStaticTextItem() : chars(0), numChars(0), useBackendOptimizations(false), | |
userDataNeedsUpdate(0), m_fontEngine(0), m_userData(0) {} | |
QStaticTextItem(const QStaticTextItem &other) | |
{ | |
operator=(other); | |
} | |
void operator=(const QStaticTextItem &other) | |
{ | |
glyphPositions = other.glyphPositions; | |
glyphs = other.glyphs; | |
chars = other.chars; | |
numGlyphs = other.numGlyphs; | |
numChars = other.numChars; | |
font = other.font; | |
color = other.color; | |
useBackendOptimizations = other.useBackendOptimizations; | |
userDataNeedsUpdate = other.userDataNeedsUpdate; | |
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; | |
}; | |
union { | |
QChar *chars; // 2 bytes per glyph | |
int charOffset; | |
}; | |
// ================= | |
// 14 bytes per glyph | |
// 12 bytes for pointers | |
int numGlyphs; // 4 bytes per item | |
int numChars; // 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; // | |
// ================ | |
// 51 bytes per item | |
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 | |
}; | |
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 | |
QChar *charPool; // 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; | |
// ================ | |
// 195 bytes per text | |
static QStaticTextPrivate *get(const QStaticText *q); | |
}; | |
QT_END_NAMESPACE | |
#endif // QSTATICTEXT_P_H |