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373 lines
8.3 KiB
373 lines
8.3 KiB
14 years ago
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/****************************************************************************
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**
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** Definition of QFont class
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**
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** Created : 940514
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the Qt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free Qt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.QPL
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** included in the packaging of this file. Licensees holding valid Qt
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** Commercial licenses may use this file in accordance with the Qt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef QFONT_H
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#define QFONT_H
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#ifndef QT_H
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#include "qwindowdefs.h"
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#include "qstring.h"
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#endif // QT_H
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class QFontPrivate; /* don't touch */
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class QStringList;
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class QTextFormatCollection;
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class Q_EXPORT QFont
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{
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public:
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enum StyleHint {
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Helvetica, SansSerif = Helvetica,
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Times, Serif = Times,
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Courier, TypeWriter = Courier,
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OldEnglish, Decorative = OldEnglish,
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System,
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AnyStyle
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};
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enum StyleStrategy {
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PreferDefault = 0x0001,
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PreferBitmap = 0x0002,
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PreferDevice = 0x0004,
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PreferOutline = 0x0008,
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ForceOutline = 0x0010,
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PreferMatch = 0x0020,
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PreferQuality = 0x0040,
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PreferAntialias = 0x0080,
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NoAntialias = 0x0100,
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OpenGLCompatible = 0x0200
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};
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enum Weight {
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Light = 25,
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Normal = 50,
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DemiBold = 63,
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Bold = 75,
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Black = 87
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};
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enum Stretch {
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UltraCondensed = 50,
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ExtraCondensed = 62,
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Condensed = 75,
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SemiCondensed = 87,
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Unstretched = 100,
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SemiExpanded = 112,
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Expanded = 125,
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ExtraExpanded = 150,
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UltraExpanded = 200
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};
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// default font
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QFont();
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// specific font
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#ifdef Q_QDOC
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QFont( const QString &family, int pointSize = 12, int weight = Normal,
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bool italic = FALSE );
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#else
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QFont( const QString &family, int pointSize = -1, int weight = -1,
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bool italic = FALSE );
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#endif
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// copy constructor
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QFont( const QFont & );
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~QFont();
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QString family() const;
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void setFamily( const QString &);
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int pointSize() const;
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float pointSizeFloat() const;
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void setPointSize( int );
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void setPointSizeFloat( float );
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int pixelSize() const;
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void setPixelSize( int );
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void setPixelSizeFloat( float );
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int weight() const;
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void setWeight( int );
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bool bold() const;
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void setBold( bool );
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bool italic() const;
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void setItalic( bool );
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bool underline() const;
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void setUnderline( bool );
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bool overline() const;
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void setOverline( bool );
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bool strikeOut() const;
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void setStrikeOut( bool );
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bool fixedPitch() const;
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void setFixedPitch( bool );
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StyleHint styleHint() const;
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StyleStrategy styleStrategy() const;
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void setStyleHint( StyleHint, StyleStrategy = PreferDefault );
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void setStyleStrategy( StyleStrategy s );
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int stretch() const;
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void setStretch( int );
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// is raw mode still needed?
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bool rawMode() const;
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void setRawMode( bool );
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// dupicated from QFontInfo
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bool exactMatch() const;
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QFont &operator=( const QFont & );
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bool operator==( const QFont & ) const;
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bool operator!=( const QFont & ) const;
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bool isCopyOf( const QFont & ) const;
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#ifdef Q_WS_WIN
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HFONT handle() const;
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#else // !Q_WS_WIN
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Qt::HANDLE handle() const;
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#endif // Q_WS_WIN
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// needed for X11
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void setRawName( const QString & );
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QString rawName() const;
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QString key() const;
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QString toString() const;
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bool fromString(const QString &);
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#ifndef QT_NO_STRINGLIST
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static QString substitute(const QString &);
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static QStringList substitutes(const QString &);
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static QStringList substitutions();
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static void insertSubstitution(const QString&, const QString &);
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static void insertSubstitutions(const QString&, const QStringList &);
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static void removeSubstitution(const QString &);
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#endif //QT_NO_STRINGLIST
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static void initialize();
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static void cleanup();
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#ifndef Q_WS_QWS
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static void cacheStatistics();
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#endif
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#if defined(Q_WS_QWS)
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void qwsRenderToDisk(bool all=TRUE);
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#endif
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// a copy of this lives in qunicodetables.cpp, as we can't include
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// qfont.h it in tools/. Do not modify without changing the script
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// enum in qunicodetable_p.h aswell.
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enum Script {
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// European Alphabetic Scripts
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Latin,
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Greek,
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Cyrillic,
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Armenian,
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Georgian,
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Runic,
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Ogham,
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SpacingModifiers,
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CombiningMarks,
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// Middle Eastern Scripts
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Hebrew,
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Arabic,
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Syriac,
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Thaana,
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// South and Southeast Asian Scripts
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Devanagari,
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Bengali,
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Gurmukhi,
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Gujarati,
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Oriya,
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Tamil,
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Telugu,
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Kannada,
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Malayalam,
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Sinhala,
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Thai,
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Lao,
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Tibetan,
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Myanmar,
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Khmer,
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// East Asian Scripts
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Han,
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Hiragana,
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Katakana,
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Hangul,
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Bopomofo,
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Yi,
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// Additional Scripts
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Ethiopic,
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Cherokee,
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CanadianAboriginal,
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Mongolian,
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// Symbols
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CurrencySymbols,
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LetterlikeSymbols,
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NumberForms,
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MathematicalOperators,
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TechnicalSymbols,
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GeometricSymbols,
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MiscellaneousSymbols,
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EnclosedAndSquare,
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Braille,
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Unicode,
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// some scripts added in Unicode 3.2
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Tagalog,
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Hanunoo,
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Buhid,
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Tagbanwa,
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KatakanaHalfWidth,
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// from Unicode 4.0
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Limbu,
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TaiLe,
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// End
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#if !defined(Q_QDOC)
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NScripts,
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UnknownScript = NScripts,
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NoScript,
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// ----------------------------------------
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// Dear User, you can see values > NScript,
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// but they are internal - do not touch.
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Han_Japanese,
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Han_SimplifiedChinese,
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Han_TraditionalChinese,
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Han_Korean,
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LastPrivateScript
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#endif
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};
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QString defaultFamily() const;
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QString lastResortFamily() const;
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QString lastResortFont() const;
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#ifndef QT_NO_COMPAT
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static QFont defaultFont();
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static void setDefaultFont( const QFont & );
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#endif // QT_NO_COMPAT
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QFont resolve( const QFont & ) const;
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protected:
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// why protected?
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bool dirty() const;
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int deciPointSize() const;
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private:
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QFont( QFontPrivate *, QPaintDevice *pd );
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void detach();
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#if defined(Q_WS_MAC)
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void macSetFont(QPaintDevice *);
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#elif defined(Q_WS_X11)
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void x11SetScreen( int screen = -1 );
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int x11Screen() const;
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#endif
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friend class QFontMetrics;
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friend class QFontInfo;
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friend class QPainter;
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friend class QPSPrinterFont;
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friend class QApplication;
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friend class QWidget;
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friend class QTextFormatCollection;
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friend class QTextLayout;
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friend class QTextItem;
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friend class QGLContext;
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#if defined(Q_WS_X11) && !defined(QT_NO_XFTFREETYPE)
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friend Qt::HANDLE qt_xft_handle(const QFont &font);
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#endif
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#ifndef QT_NO_DATASTREAM
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friend Q_EXPORT QDataStream &operator<<( QDataStream &, const QFont & );
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friend Q_EXPORT QDataStream &operator>>( QDataStream &, QFont & );
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#endif
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QFontPrivate *d;
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};
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inline bool QFont::bold() const
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{ return weight() > Normal; }
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inline void QFont::setBold( bool enable )
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{ setWeight( enable ? Bold : Normal ); }
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/*****************************************************************************
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QFont stream functions
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*****************************************************************************/
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#ifndef QT_NO_DATASTREAM
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Q_EXPORT QDataStream &operator<<( QDataStream &, const QFont & );
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Q_EXPORT QDataStream &operator>>( QDataStream &, QFont & );
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#endif
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#endif // QFONT_H
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