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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 QtGui module 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 QFONTMETRICS_H
#define QFONTMETRICS_H
#include <QtGui/qfont.h>
#include <QtCore/qsharedpointer.h>
#ifndef QT_INCLUDE_COMPAT
#include <QtCore/qrect.h>
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifdef Q_WS_QWS
class QFontEngine;
#endif
class QTextCodec;
class QRect;
class Q_GUI_EXPORT QFontMetrics
{
public:
QFontMetrics(const QFont &);
QFontMetrics(const QFont &, QPaintDevice *pd);
QFontMetrics(const QFontMetrics &);
~QFontMetrics();
QFontMetrics &operator=(const QFontMetrics &);
#ifdef Q_COMPILER_RVALUE_REFS
inline QFontMetrics &operator=(QFontMetrics &&other)
{ qSwap(d, other.d); return *this; }
#endif
int ascent() const;
int descent() const;
int height() const;
int leading() const;
int lineSpacing() const;
int minLeftBearing() const;
int minRightBearing() const;
int maxWidth() const;
int xHeight() const;
int averageCharWidth() const;
bool inFont(QChar) const;
bool inFontUcs4(uint ucs4) const;
int leftBearing(QChar) const;
int rightBearing(QChar) const;
int width(const QString &, int len = -1) const;
int width(const QString &, int len, int flags) const;
int width(QChar) const;
int charWidth(const QString &str, int pos) const;
QRect boundingRect(QChar) const;
QRect boundingRect(const QString &text) const;
QRect boundingRect(const QRect &r, int flags, const QString &text, int tabstops=0, int *tabarray=0) const;
inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString &text,
int tabstops=0, int *tabarray=0) const
{ return boundingRect(QRect(x, y, w, h), flags, text, tabstops, tabarray); }
QSize size(int flags, const QString& str, int tabstops=0, int *tabarray=0) const;
QRect tightBoundingRect(const QString &text) const;
QString elidedText(const QString &text, Qt::TextElideMode mode, int width, int flags = 0) const;
int underlinePos() const;
int overlinePos() const;
int strikeOutPos() const;
int lineWidth() const;
bool operator==(const QFontMetrics &other); // 5.0 - remove me
bool operator==(const QFontMetrics &other) const;
inline bool operator !=(const QFontMetrics &other) { return !operator==(other); } // 5.0 - remove me
inline bool operator !=(const QFontMetrics &other) const { return !operator==(other); }
#ifdef QT3_SUPPORT
inline QRect boundingRect(const QString &text, int len) const
{ return boundingRect(text.left(len)); }
inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString& str, int len,
int tabstops=0, int *tabarray=0) const
{ return boundingRect(QRect(x, y, w, h), flags, str.left(len), tabstops, tabarray); }
inline QSize size(int flags, const QString& str, int len, int tabstops=0, int *tabarray=0) const
{ return size(flags, str.left(len), tabstops, tabarray); }
#endif
private:
#if defined(Q_WS_MAC)
friend class QFontPrivate;
#endif
friend class QFontMetricsF;
friend class QStackTextEngine;
QExplicitlySharedDataPointer<QFontPrivate> d;
};
class Q_GUI_EXPORT QFontMetricsF
{
public:
QFontMetricsF(const QFont &);
QFontMetricsF(const QFont &, QPaintDevice *pd);
QFontMetricsF(const QFontMetrics &);
QFontMetricsF(const QFontMetricsF &);
~QFontMetricsF();
QFontMetricsF &operator=(const QFontMetricsF &);
QFontMetricsF &operator=(const QFontMetrics &);
#ifdef Q_COMPILER_RVALUE_REFS
inline QFontMetricsF &operator=(QFontMetricsF &&other)
{ qSwap(d, other.d); return *this; }
#endif
qreal ascent() const;
qreal descent() const;
qreal height() const;
qreal leading() const;
qreal lineSpacing() const;
qreal minLeftBearing() const;
qreal minRightBearing() const;
qreal maxWidth() const;
qreal xHeight() const;
qreal averageCharWidth() const;
bool inFont(QChar) const;
bool inFontUcs4(uint ucs4) const;
qreal leftBearing(QChar) const;
qreal rightBearing(QChar) const;
qreal width(const QString &string) const;
qreal width(QChar) const;
QRectF boundingRect(const QString &string) const;
QRectF boundingRect(QChar) const;
QRectF boundingRect(const QRectF &r, int flags, const QString& string, int tabstops=0, int *tabarray=0) const;
QSizeF size(int flags, const QString& str, int tabstops=0, int *tabarray=0) const;
QRectF tightBoundingRect(const QString &text) const;
QString elidedText(const QString &text, Qt::TextElideMode mode, qreal width, int flags = 0) const;
qreal underlinePos() const;
qreal overlinePos() const;
qreal strikeOutPos() const;
qreal lineWidth() const;
bool operator==(const QFontMetricsF &other); // 5.0 - remove me
bool operator==(const QFontMetricsF &other) const;
inline bool operator !=(const QFontMetricsF &other) { return !operator==(other); } // 5.0 - remove me
inline bool operator !=(const QFontMetricsF &other) const { return !operator==(other); }
private:
QExplicitlySharedDataPointer<QFontPrivate> d;
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QFONTMETRICS_H
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