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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 <QtGui/private/qtguiglobal_p.h>
#include "qstatictext.h"
#include <private/qtextureglyphcache_p.h>
#include <QtGui/qcolor.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT 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(nullptr), m_userData(nullptr) {}
void setUserData(QStaticTextUserData *newUserData)
{
m_userData = newUserData;
}
QStaticTextUserData *userData() const { return m_userData.data(); }
void setFontEngine(QFontEngine *fe)
{
m_fontEngine = fe;
}
QFontEngine *fontEngine() const { return m_fontEngine.data(); }
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: // private to avoid abuse
QExplicitlySharedDataPointer<QFontEngine> m_fontEngine; // 4 bytes per item
QExplicitlySharedDataPointer<QStaticTextUserData> m_userData; // 8 bytes per item
// ================
// 43 bytes per item
};
Q_DECLARE_TYPEINFO(QStaticTextItem, Q_RELOCATABLE_TYPE);
class QStaticText;
class Q_AUTOTEST_EXPORT QStaticTextPrivate
{
public:
QStaticTextPrivate();
QStaticTextPrivate(const QStaticTextPrivate &other);
~QStaticTextPrivate();
void init();
void paintText(const QPointF &pos, QPainter *p, const QColor &pen);
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
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