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199 lines
6.6 KiB
199 lines
6.6 KiB
15 years ago
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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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 Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt 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 Nokia.
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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 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL 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 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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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/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_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Gui)
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#ifdef Q_WS_QWS
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class QFontEngine;
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#endif
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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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QFontMetrics(const QFont &);
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QFontMetrics(const QFont &, QPaintDevice *pd);
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QFontMetrics(const QFontMetrics &);
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~QFontMetrics();
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QFontMetrics &operator=(const QFontMetrics &);
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int ascent() 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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int leftBearing(QChar) const;
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int rightBearing(QChar) const;
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int width(const QString &, int len = -1) const;
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int width(QChar) const;
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int charWidth(const QString &str, int pos) const;
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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=0) 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=0) 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=0) 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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bool operator==(const QFontMetrics &other); // 5.0 - remove me
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bool operator==(const QFontMetrics &other) const;
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inline bool operator !=(const QFontMetrics &other) { return !operator==(other); } // 5.0 - remove me
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inline bool operator !=(const QFontMetrics &other) const { return !operator==(other); }
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#ifdef QT3_SUPPORT
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inline QRect boundingRect(const QString &text, int len) const
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{ return boundingRect(text.left(len)); }
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inline QRect boundingRect(int x, int y, int w, int h, int flags, const QString& str, int len,
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int tabstops=0, int *tabarray=0) const
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{ return boundingRect(QRect(x, y, w, h), flags, str.left(len), tabstops, tabarray); }
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inline QSize size(int flags, const QString& str, int len, int tabstops=0, int *tabarray=0) const
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{ return size(flags, str.left(len), tabstops, tabarray); }
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#endif
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private:
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#if defined(Q_WS_MAC)
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friend class QFontPrivate;
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#endif
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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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class Q_GUI_EXPORT QFontMetricsF
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{
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public:
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QFontMetricsF(const QFont &);
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QFontMetricsF(const QFont &, QPaintDevice *pd);
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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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qreal ascent() 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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qreal leftBearing(QChar) const;
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qreal rightBearing(QChar) const;
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qreal width(const QString &string) const;
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qreal width(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=0) const;
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QSizeF size(int flags, const QString& str, int tabstops=0, int *tabarray=0) 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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bool operator==(const QFontMetricsF &other); // 5.0 - remove me
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bool operator==(const QFontMetricsF &other) const;
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inline bool operator !=(const QFontMetricsF &other) { return !operator==(other); } // 5.0 - remove me
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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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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QFONTMETRICS_H
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