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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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
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