mirror of
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338 lines
9.1 KiB
C++
338 lines
9.1 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2020 Ivailo Monev
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**
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** This file is part of the QtGui module of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** 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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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company 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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** $QT_END_LICENSE$
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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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#include <QtGui/qwindowdefs.h>
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#include <QtCore/qstring.h>
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#include <QtCore/qsharedpointer.h>
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#if defined(Q_WS_X11)
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typedef struct FT_FaceRec_* FT_Face;
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#endif
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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class QPaintDevice;
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class QStringList;
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class QVariant;
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class QFontPrivate;
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class Q_GUI_EXPORT QFont
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{
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Q_GADGET
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Q_ENUMS(StyleStrategy)
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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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Cursive,
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Monospace,
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Fantasy
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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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ForceIntegerMetrics = 0x0200,
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NoFontMerging = 0x0400
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};
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enum HintingPreference {
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PreferDefaultHinting = 0,
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PreferNoHinting = 1,
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PreferVerticalHinting = 2,
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PreferFullHinting = 3
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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 Style {
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StyleNormal,
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StyleItalic,
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StyleOblique
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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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enum Capitalization {
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MixedCase,
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AllUppercase,
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AllLowercase,
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SmallCaps,
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Capitalize
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};
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enum SpacingType {
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PercentageSpacing,
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AbsoluteSpacing
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};
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enum ResolveProperties {
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FamilyResolved = 0x0001,
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SizeResolved = 0x0002,
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StyleHintResolved = 0x0004,
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StyleStrategyResolved = 0x0008,
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WeightResolved = 0x0010,
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StyleResolved = 0x0020,
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UnderlineResolved = 0x0040,
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OverlineResolved = 0x0080,
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StrikeOutResolved = 0x0100,
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FixedPitchResolved = 0x0200,
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StretchResolved = 0x0400,
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KerningResolved = 0x0800,
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CapitalizationResolved = 0x1000,
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LetterSpacingResolved = 0x2000,
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WordSpacingResolved = 0x4000,
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HintingPreferenceResolved = 0x8000,
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StyleNameResolved = 0x10000,
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AllPropertiesResolved = 0x1ffff
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};
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QFont();
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QFont(const QString &family, int pointSize = -1, int weight = -1, bool italic = false);
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QFont(const QFont &, QPaintDevice *pd);
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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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QString styleName() const;
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void setStyleName(const QString &);
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int pointSize() const;
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void setPointSize(int);
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qreal pointSizeF() const;
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void setPointSizeF(qreal);
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int pixelSize() const;
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void setPixelSize(int);
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int weight() const;
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void setWeight(int);
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inline bool bold() const;
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inline void setBold(bool);
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void setStyle(Style style);
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Style style() const;
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inline bool italic() const;
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inline void setItalic(bool b);
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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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bool kerning() const;
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void setKerning(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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qreal letterSpacing() const;
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SpacingType letterSpacingType() const;
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void setLetterSpacing(SpacingType type, qreal spacing);
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qreal wordSpacing() const;
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void setWordSpacing(qreal spacing);
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void setCapitalization(Capitalization);
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Capitalization capitalization() const;
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void setHintingPreference(HintingPreference hintingPreference);
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HintingPreference hintingPreference() const;
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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 operator<(const QFont &) const;
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operator QVariant() const;
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bool isCopyOf(const QFont &) const;
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#ifdef Q_COMPILER_RVALUE_REFS
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inline QFont &operator=(QFont &&other)
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{ qSwap(d, other.d); qSwap(resolve_mask, other.resolve_mask); return *this; }
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#endif
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Qt::HANDLE handle() const;
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#if defined(Q_WS_X11)
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FT_Face freetypeFace() const;
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#endif
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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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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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static void initialize();
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static void cleanup();
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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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QFont resolve(const QFont &) const;
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inline uint resolve() const { return resolve_mask; }
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inline void resolve(uint mask) { resolve_mask = mask; }
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private:
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QFont(QFontPrivate *);
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void detach();
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#if 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 QFontPrivate;
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friend class QFontDialogPrivate;
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friend class QFontMetrics;
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friend class QFontMetricsF;
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friend class QFontInfo;
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friend class QPainter;
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friend class QPainterPrivate;
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friend class QPSPrintEngineFont;
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friend class QApplication;
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friend class QWidget;
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friend class QWidgetPrivate;
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friend class QTextLayout;
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friend class QTextEngine;
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friend class QStackTextEngine;
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friend class QTextLine;
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friend struct QScriptLine;
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friend class QAlphaPaintEngine;
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friend class QPainterPath;
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friend class QTextItemInt;
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friend class QCommandLinkButtonPrivate;
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friend class QFontEngine;
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#ifndef QT_NO_DATASTREAM
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friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QFont &);
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friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QFont &);
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#endif
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QExplicitlySharedDataPointer<QFontPrivate> d;
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uint resolve_mask;
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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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inline bool QFont::italic() const
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{
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return (style() != StyleNormal);
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}
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inline void QFont::setItalic(bool b) {
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setStyle(b ? StyleItalic : StyleNormal);
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}
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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_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QFont &);
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Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QFont &);
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#endif
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#ifndef QT_NO_DEBUG_STREAM
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Q_GUI_EXPORT QDebug operator<<(QDebug, const QFont &);
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#endif
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // QFONT_H
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