QtGui/qrawfont.h Source File

qrawfont.h
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41 
42 #ifndef QRAWFONT_H
43 #define QRAWFONT_H
44 
45 #include <QtCore/qstring.h>
46 #include <QtCore/qiodevice.h>
47 #include <QtCore/qglobal.h>
48 #include <QtCore/qobject.h>
49 #include <QtCore/qpoint.h>
50 #include <QtGui/qfont.h>
51 #include <QtGui/qtransform.h>
52 #include <QtGui/qfontdatabase.h>
53 
54 #if !defined(QT_NO_RAWFONT)
55 
57 
59 
60 QT_MODULE(Gui)
61 
62 class QRawFontPrivate;
63 class Q_GUI_EXPORT QRawFont
64 {
65 public:
68  SubPixelAntialiasing
69  };
70 
71  QRawFont();
72  QRawFont(const QString &fileName,
73  qreal pixelSize,
75  QRawFont(const QByteArray &fontData,
76  qreal pixelSize,
78  QRawFont(const QRawFont &other);
79  ~QRawFont();
80 
81  bool isValid() const;
82 
83  QRawFont &operator=(const QRawFont &other);
84 
85  bool operator==(const QRawFont &other) const;
86  inline bool operator!=(const QRawFont &other) const
87  { return !operator==(other); }
88 
89  QString familyName() const;
90  QString styleName() const;
91 
92  QFont::Style style() const;
93  int weight() const;
94 
95  QVector<quint32> glyphIndexesForString(const QString &text) const;
96  QVector<QPointF> advancesForGlyphIndexes(const QVector<quint32> &glyphIndexes) const;
97  bool glyphIndexesForChars(const QChar *chars, int numChars, quint32 *glyphIndexes, int *numGlyphs) const;
98  bool advancesForGlyphIndexes(const quint32 *glyphIndexes, QPointF *advances, int numGlyphs) const;
99 
100  QImage alphaMapForGlyph(quint32 glyphIndex,
101  AntialiasingType antialiasingType = SubPixelAntialiasing,
102  const QTransform &transform = QTransform()) const;
103  QPainterPath pathForGlyph(quint32 glyphIndex) const;
104 
105  void setPixelSize(qreal pixelSize);
106  qreal pixelSize() const;
107 
108  QFont::HintingPreference hintingPreference() const;
109 
110  qreal ascent() const;
111  qreal descent() const;
112  qreal leading() const;
113  qreal xHeight() const;
114  qreal averageCharWidth() const;
115  qreal maxCharWidth() const;
116 
117  qreal unitsPerEm() const;
118 
119  void loadFromFile(const QString &fileName,
120  qreal pixelSize,
121  QFont::HintingPreference hintingPreference);
122 
123  void loadFromData(const QByteArray &fontData,
124  qreal pixelSize,
125  QFont::HintingPreference hintingPreference);
126 
127  bool supportsCharacter(quint32 ucs4) const;
128  bool supportsCharacter(QChar character) const;
129  QList<QFontDatabase::WritingSystem> supportedWritingSystems() const;
130 
131  QByteArray fontTable(const char *tagName) const;
132 
133  static QRawFont fromFont(const QFont &font,
135 
136 private:
137  friend class QRawFontPrivate;
139 };
140 
142 
144 
145 #endif // QT_NO_RAWFONT
146 
147 #endif // QRAWFONT_H
#define QT_END_NAMESPACE
Definition: qglobal.h:128
#define QT_BEGIN_HEADER
Definition: qglobal.h:141
Style
Definition: qfont.h:111
bool operator==(const Attribute &cA, const AttributeInstance< type > &cB)
This operator compares the two attributes and NOT their values.
Definition: node.h:577
#define QT_BEGIN_NAMESPACE
Definition: qglobal.h:127
bool operator!=(const QRawFont &other) const
Definition: qrawfont.h:86
Definition: qfont.h:64
GLuint GLenum GLenum transform
Definition: GLee.h:6572
Definition: qimage.h:87
AntialiasingType
Definition: qrawfont.h:66
HintingPreference
Definition: qfont.h:96
unsigned int quint32
Definition: qglobal.h:938
Definition: qchar.h:72
#define QT_END_HEADER
Definition: qglobal.h:142