QAbstractFontEngine Class Reference

#include <qabstractfontengine_qws.h>

Class Description

Definition at line 127 of file qabstractfontengine_qws.h.

Inheritance diagram for QAbstractFontEngine:

Classes
struct	FixedPoint
struct	GlyphMetrics

Public Types
enum	Capability { CanOutlineGlyphs = 1, CanRenderGlyphs_Mono = 2, CanRenderGlyphs_Gray = 4, CanRenderGlyphs = CanRenderGlyphs_Mono | CanRenderGlyphs_Gray }
enum	FontProperty {   Ascent, Descent, Leading, XHeight,   AverageCharWidth, LineThickness, UnderlinePosition, MaxCharWidth,   MinLeftBearing, MinRightBearing, GlyphCount, CacheGlyphsHint,   OutlineGlyphsHint }
enum	TextShapingFlag { RightToLeft = 0x0001, ReturnDesignMetrics = 0x0002 }
typedef int	Fixed

Public Member Functions
	QAbstractFontEngine (QObject *parent=0)
	~QAbstractFontEngine ()
virtual Capabilities	capabilities () const =0
virtual QVariant	fontProperty (FontProperty property) const =0
virtual bool	convertStringToGlyphIndices (const QChar *string, int length, uint *glyphs, int *numGlyphs, TextShapingFlags flags) const =0
virtual void	getGlyphAdvances (const uint *glyphs, int numGlyphs, Fixed *advances, TextShapingFlags flags) const =0
virtual GlyphMetrics	glyphMetrics (uint glyph) const =0
virtual bool	renderGlyph (uint glyph, int depth, int bytesPerLine, int height, uchar *buffer)
virtual void	addGlyphOutlinesToPath (uint *glyphs, int numGlyphs, FixedPoint *positions, QPainterPath *path)
Public Member Functions inherited from QObject
Q_INVOKABLE	QObject (QObject *parent=0)
virtual	~QObject ()
virtual bool	event (QEvent *)
virtual bool	eventFilter (QObject *, QEvent *)
QString	objectName () const
void	setObjectName (const QString &name)
bool	isWidgetType () const
bool	signalsBlocked () const
bool	blockSignals (bool b)
QThread *	thread () const
void	moveToThread (QThread *thread)
int	startTimer (int interval)
void	killTimer (int id)
template<typename T >
T	findChild (const QString &aName=QString()) const
template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
template<typename T >
QList< T >	findChildren (const QRegExp &re) const
const QObjectList &	children () const
void	setParent (QObject *)
void	installEventFilter (QObject *)
void	removeEventFilter (QObject *)
bool	connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
bool	disconnect (const char *signal=0, const QObject *receiver=0, const char *member=0)
bool	disconnect (const QObject *receiver, const char *member=0)
void	dumpObjectTree ()
void	dumpObjectInfo ()
bool	setProperty (const char *name, const QVariant &value)
QVariant	property (const char *name) const
QList< QByteArray >	dynamicPropertyNames () const
void	setUserData (uint id, QObjectUserData *data)
QObjectUserData *	userData (uint id) const
QObject *	parent () const
bool	inherits (const char *classname) const

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
Signals inherited from QObject
void	destroyed (QObject *=0)
Static Public Member Functions inherited from QObject
static bool	connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
static bool	connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
static bool	disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
static bool	disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
static uint	registerUserData ()
Protected Member Functions inherited from QObject
QObject *	sender () const
int	senderSignalIndex () const
int	receivers (const char *signal) const
virtual void	timerEvent (QTimerEvent *)
virtual void	childEvent (QChildEvent *)
virtual void	customEvent (QEvent *)
virtual void	connectNotify (const char *signal)
virtual void	disconnectNotify (const char *signal)
	QObject (QObjectPrivate &dd, QObject *parent=0)
Protected Attributes inherited from QObject
QScopedPointer< QObjectData >	d_ptr
Static Protected Attributes inherited from QObject
static const QMetaObject	staticQtMetaObject
Properties inherited from QObject
QString	objectName

Member Typedef Documentation

typedef int Fixed

Definition at line 142 of file qabstractfontengine_qws.h.

Member Enumeration Documentation

enum Capability

Enumerator
CanOutlineGlyphs
CanRenderGlyphs_Mono
CanRenderGlyphs_Gray
CanRenderGlyphs

Definition at line 131 of file qabstractfontengine_qws.h.

                    {
        CanOutlineGlyphs = 1,
        CanRenderGlyphs_Mono = 2,
        CanRenderGlyphs_Gray = 4,
        CanRenderGlyphs = CanRenderGlyphs_Mono | CanRenderGlyphs_Gray
    };

enum FontProperty

Enumerator
Ascent
Descent
Leading
XHeight
AverageCharWidth
LineThickness
UnderlinePosition
MaxCharWidth
MinLeftBearing
MinRightBearing
GlyphCount
CacheGlyphsHint
OutlineGlyphsHint

Definition at line 162 of file qabstractfontengine_qws.h.

                      {
        Ascent,
        Descent,
        Leading,
        XHeight,
        AverageCharWidth,
        LineThickness,
        UnderlinePosition,
        MaxCharWidth,
        MinLeftBearing,
        MinRightBearing,
        GlyphCount,

        // hints
        CacheGlyphsHint,
        OutlineGlyphsHint
    };

enum TextShapingFlag

Enumerator
RightToLeft
ReturnDesignMetrics

Definition at line 181 of file qabstractfontengine_qws.h.

                         {
        RightToLeft         = 0x0001,
        ReturnDesignMetrics = 0x0002
    };

Constructor & Destructor Documentation

QAbstractFontEngine ( QObject *  parent = 0 )

explicit

~QAbstractFontEngine

(

)

Member Function Documentation

virtual Capabilities capabilities ( ) const

pure virtual

virtual QVariant fontProperty ( FontProperty  property ) const

pure virtual

virtual bool convertStringToGlyphIndices ( const QChar *  string, int  length, uint *  glyphs, int *  numGlyphs, TextShapingFlags  flags  ) const

pure virtual

virtual void getGlyphAdvances ( const uint *  glyphs, int  numGlyphs, Fixed *  advances, TextShapingFlags  flags  ) const

pure virtual

virtual GlyphMetrics glyphMetrics ( uint  glyph ) const

pure virtual

virtual bool renderGlyph ( uint  glyph, int  depth, int  bytesPerLine, int  height, uchar *  buffer  )

virtual

virtual void addGlyphOutlinesToPath ( uint *  glyphs, int  numGlyphs, FixedPoint *  positions, QPainterPath *  path  )

virtual

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The documentation for this class was generated from the following file:

• QtGui/qabstractfontengine_qws.h