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https://github.com/Retropex/dolphin.git
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235 lines
7.7 KiB
C++
235 lines
7.7 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QFONTMETRICS_H
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#define QFONTMETRICS_H
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#include <QtGui/qtguiglobal.h>
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#include <QtGui/qfont.h>
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#include <QtCore/qsharedpointer.h>
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#ifndef QT_INCLUDE_COMPAT
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#include <QtCore/qrect.h>
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#endif
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QT_BEGIN_NAMESPACE
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class QTextCodec;
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class QRect;
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class Q_GUI_EXPORT QFontMetrics
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{
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public:
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explicit QFontMetrics(const QFont &);
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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QFontMetrics(const QFont &font, QPaintDevice *pd);
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#ifndef Q_QDOC
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// the template is necessary to make QFontMetrics(font,nullptr) and QFontMetrics(font,NULL)
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// not ambiguous. Implementation detail that should not be documented.
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template<char = 0>
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#endif
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QFontMetrics(const QFont &font, const QPaintDevice *pd)
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: QFontMetrics(font, const_cast<QPaintDevice*>(pd))
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{}
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#else
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QFontMetrics(const QFont &font, const QPaintDevice *pd);
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#endif
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QFontMetrics(const QFontMetrics &);
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~QFontMetrics();
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QFontMetrics &operator=(const QFontMetrics &);
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inline QFontMetrics &operator=(QFontMetrics &&other) noexcept
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{ qSwap(d, other.d); return *this; }
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void swap(QFontMetrics &other) noexcept
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{ qSwap(d, other.d); }
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int ascent() const;
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int capHeight() const;
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int descent() const;
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int height() const;
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int leading() const;
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int lineSpacing() const;
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int minLeftBearing() const;
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int minRightBearing() const;
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int maxWidth() const;
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int xHeight() const;
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int averageCharWidth() const;
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bool inFont(QChar) const;
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bool inFontUcs4(uint ucs4) const;
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int leftBearing(QChar) const;
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int rightBearing(QChar) const;
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#if QT_DEPRECATED_SINCE(5, 11)
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QT_DEPRECATED_X("Use QFontMetrics::horizontalAdvance")
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int width(const QString &, int len = -1) const;
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QT_DEPRECATED_X("Use QFontMetrics::horizontalAdvance")
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int width(const QString &, int len, int flags) const;
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QT_DEPRECATED_X("Use QFontMetrics::horizontalAdvance")
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int width(QChar) const;
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#endif
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int horizontalAdvance(const QString &, int len = -1) const;
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int horizontalAdvance(QChar) const;
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#if QT_VERSION < QT_VERSION_CHECK(6,0,0)
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QT_DEPRECATED int charWidth(const QString &str, int pos) const;
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#endif
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QRect boundingRect(QChar) const;
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QRect boundingRect(const QString &text) const;
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QRect boundingRect(const QRect &r, int flags, const QString &text, int tabstops = 0, int *tabarray = nullptr) const;
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inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString &text,
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int tabstops = 0, int *tabarray = nullptr) const
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{ return boundingRect(QRect(x, y, w, h), flags, text, tabstops, tabarray); }
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QSize size(int flags, const QString& str, int tabstops = 0, int *tabarray = nullptr) const;
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QRect tightBoundingRect(const QString &text) const;
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QString elidedText(const QString &text, Qt::TextElideMode mode, int width, int flags = 0) const;
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int underlinePos() const;
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int overlinePos() const;
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int strikeOutPos() const;
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int lineWidth() const;
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qreal fontDpi() const;
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bool operator==(const QFontMetrics &other) const;
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inline bool operator !=(const QFontMetrics &other) const { return !operator==(other); }
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private:
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friend class QFontMetricsF;
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friend class QStackTextEngine;
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QExplicitlySharedDataPointer<QFontPrivate> d;
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};
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Q_DECLARE_SHARED(QFontMetrics)
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class Q_GUI_EXPORT QFontMetricsF
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{
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public:
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explicit QFontMetricsF(const QFont &font);
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#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
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QFontMetricsF(const QFont &font, QPaintDevice *pd);
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#ifndef Q_QDOC
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// the template is necessary to make QFontMetrics(font,nullptr) and QFontMetrics(font,NULL)
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// not ambiguous. Implementation detail that should not be documented.
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template<char = 0>
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#endif
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QFontMetricsF(const QFont &font, const QPaintDevice *pd)
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: QFontMetricsF(font, const_cast<QPaintDevice*>(pd))
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{}
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#else
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QFontMetricsF(const QFont &font, const QPaintDevice *pd);
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#endif
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QFontMetricsF(const QFontMetrics &);
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QFontMetricsF(const QFontMetricsF &);
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~QFontMetricsF();
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QFontMetricsF &operator=(const QFontMetricsF &);
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QFontMetricsF &operator=(const QFontMetrics &);
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inline QFontMetricsF &operator=(QFontMetricsF &&other) noexcept
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{ qSwap(d, other.d); return *this; }
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void swap(QFontMetricsF &other) noexcept { qSwap(d, other.d); }
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qreal ascent() const;
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qreal capHeight() const;
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qreal descent() const;
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qreal height() const;
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qreal leading() const;
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qreal lineSpacing() const;
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qreal minLeftBearing() const;
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qreal minRightBearing() const;
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qreal maxWidth() const;
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qreal xHeight() const;
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qreal averageCharWidth() const;
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bool inFont(QChar) const;
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bool inFontUcs4(uint ucs4) const;
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qreal leftBearing(QChar) const;
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qreal rightBearing(QChar) const;
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#if QT_DEPRECATED_SINCE(5, 11)
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qreal width(const QString &string) const;
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qreal width(QChar) const;
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#endif
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qreal horizontalAdvance(const QString &string, int length = -1) const;
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qreal horizontalAdvance(QChar) const;
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QRectF boundingRect(const QString &string) const;
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QRectF boundingRect(QChar) const;
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QRectF boundingRect(const QRectF &r, int flags, const QString& string, int tabstops = 0, int *tabarray = nullptr) const;
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QSizeF size(int flags, const QString& str, int tabstops = 0, int *tabarray = nullptr) const;
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QRectF tightBoundingRect(const QString &text) const;
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QString elidedText(const QString &text, Qt::TextElideMode mode, qreal width, int flags = 0) const;
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qreal underlinePos() const;
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qreal overlinePos() const;
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qreal strikeOutPos() const;
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qreal lineWidth() const;
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qreal fontDpi() const;
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bool operator==(const QFontMetricsF &other) const;
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inline bool operator !=(const QFontMetricsF &other) const { return !operator==(other); }
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private:
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QExplicitlySharedDataPointer<QFontPrivate> d;
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};
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Q_DECLARE_SHARED(QFontMetricsF)
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QT_END_NAMESPACE
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#endif // QFONTMETRICS_H
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