#include <qfontengine_x11_p.h>

Inheritance diagram for QFontEngineMultiFT:

Public Functions
void	loadEngine (int at)

	QFontEngineMultiFT (QFontEngine fe, FcPattern firstEnginePattern, FcPattern *p, int s, const QFontDef &request)

	~QFontEngineMultiFT ()

Public Functions inherited from QFontEngineMulti
virtual void	addOutlineToPath (qreal, qreal, const QGlyphLayout &, QPainterPath *, QTextItem::RenderFlags flags)

virtual QImage	alphaMapForGlyph (glyph_t)

virtual QFixed	ascent () const

virtual QFixed	averageCharWidth () const

virtual glyph_metrics_t	boundingBox (const QGlyphLayout &glyphs)

virtual glyph_metrics_t	boundingBox (glyph_t glyph)

virtual bool	canRender (const QChar *string, int len)

virtual QFixed	descent () const

virtual void	doKerning (QGlyphLayout *, QTextEngine::ShaperFlags) const

QFontEngine *	engine (int at) const

virtual void	getGlyphBearings (glyph_t glyph, qreal leftBearing=0, qreal rightBearing=0)

virtual QFixed	leading () const

virtual QFixed	lineThickness () const

virtual qreal	maxCharWidth () const

virtual qreal	minLeftBearing () const

virtual qreal	minRightBearing () const

virtual const char *	name () const

	QFontEngineMulti (int engineCount)

virtual void	recalcAdvances (QGlyphLayout *, QTextEngine::ShaperFlags) const

virtual bool	stringToCMap (const QChar str, int len, QGlyphLayout glyphs, int *nglyphs, QTextEngine::ShaperFlags flags) const

virtual Type	type () const

virtual QFixed	underlinePosition () const

virtual QFixed	xHeight () const

	~QFontEngineMulti ()

Public Functions inherited from QFontEngine
void	addBitmapFontToPath (qreal x, qreal y, const QGlyphLayout &, QPainterPath *, QTextItem::RenderFlags)

virtual void	addGlyphsToPath (glyph_t glyphs, QFixedPoint positions, int nglyphs, QPainterPath *path, QTextItem::RenderFlags flags)

virtual glyph_metrics_t	alphaMapBoundingBox (glyph_t glyph, QFixed, const QTransform &matrix, GlyphFormat)

virtual QImage	alphaMapForGlyph (glyph_t glyph, QFixed subPixelPosition)

virtual QImage	alphaMapForGlyph (glyph_t, const QTransform &t)

virtual QImage	alphaMapForGlyph (glyph_t, QFixed subPixelPosition, const QTransform &t)

virtual QImage	alphaRGBMapForGlyph (glyph_t, QFixed subPixelPosition, int margin, const QTransform &t)

virtual glyph_metrics_t	boundingBox (glyph_t glyph, const QTransform &matrix)

virtual QFontEngine *	cloneWithSize (qreal) const

virtual QFixed	emSquareSize () const

virtual FaceId	faceId () const

void	getGlyphPositions (const QGlyphLayout &glyphs, const QTransform &matrix, QTextItem::RenderFlags flags, QVarLengthArray< glyph_t > &glyphs_out, QVarLengthArray< QFixedPoint > &positions)

virtual HB_Error	getPointInOutline (HB_Glyph glyph, int flags, hb_uint32 point, HB_Fixed xpos, HB_Fixed ypos, hb_uint32 *nPoints)

QByteArray	getSfntTable (uint) const

virtual bool	getSfntTableData (uint, uchar , uint ) const

virtual void	getUnscaledGlyph (glyph_t glyph, QPainterPath path, glyph_metrics_t metrics)

QFontEngineGlyphCache *	glyphCache (void *key, QFontEngineGlyphCache::Type type, const QTransform &transform) const

virtual int	glyphCount () const

HB_Face	harfbuzzFace () const

HB_Font	harfbuzzFont () const

void	loadKerningPairs (QFixed scalingFactor)

virtual Properties	properties () const

	QFontEngine ()

virtual void	removeGlyphFromCache (glyph_t)

void	setGlyphCache (void key, QFontEngineGlyphCache data)

virtual bool	supportsSubPixelPositions () const

virtual int	synthesized () const

glyph_metrics_t	tightBoundingBox (const QGlyphLayout &glyphs)

virtual	~QFontEngine ()

Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...

const QObjectList &	children () const
	Returns a list of child objects. More...

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	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...

void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...

QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...

virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...

virtual bool	eventFilter (QObject , QEvent )
	Filters events if this object has been installed as an event filter for the watched object. More...

template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...

template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...

template<typename T >
QList< T >	findChildren (const QRegExp &re) const

bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...

void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...

bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...

void	killTimer (int id)
	Kills the timer with timer identifier, id. More...

virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...

void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...

QString	objectName () const

QObject *	parent () const
	Returns a pointer to the parent object. More...

QVariant	property (const char *name) const
	Returns the value of the object's name property. More...

Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...

void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...

void	setObjectName (const QString &name)

void	setParent (QObject *)
	Makes the object a child of parent. More...

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...

void	setUserData (uint id, QObjectUserData *data)

bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...

int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...

QThread *	thread () const
	Returns the thread in which the object lives. More...

QObjectUserData *	userData (uint id) const

virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Properties
FcPattern *	firstEnginePattern

int	firstFontIndex

FcFontSet *	fontSet

FcPattern *	pattern

QFontDef	request

int	screen

Additional Inherited Members
Public Types inherited from QFontEngine
enum	GlyphFormat { Format_None, Format_Render = Format_None, Format_Mono, Format_A8, Format_A32 }

enum	SynthesizedFlags { SynthesizedItalic = 0x1, SynthesizedBold = 0x2, SynthesizedStretch = 0x4 }

enum	Type { Box, Multi, XLFD, Win, Mac, Freetype, QPF1, QPF2, Proxy, S60FontEngine, DirectWrite, TestFontEngine = 0x1000 }

Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...

Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...

Static Public Functions inherited from QFontEngine
static QByteArray	convertToPostscriptFontFamilyName (const QByteArray &fontFamily)

static const uchar *	getCMap (const uchar table, uint tableSize, bool isSymbolFont, int *cmapSize)

static quint32	getTrueTypeGlyphIndex (const uchar *cmap, uint unicode)

Static Public Functions inherited from QObject
static bool	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...

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)
	Disconnects signal in object sender from method in object receiver. More...

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static uint	registerUserData ()

static QString	tr (const char sourceText, const char comment=0, int n=-1)

static QString	trUtf8 (const char sourceText, const char comment=0, int n=-1)

Public Variables inherited from QFontEngine
uint	cache_cost

int	cache_count

QFontDef	fontDef

uint	fsType: 16

int	glyphFormat

HB_Face	hbFace

HB_FontRec	hbFont

QVector< KernPair >	kerning_pairs

QAtomicInt	ref

bool	symbol

Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...

Protected Functions inherited from QFontEngine
QFixed	lastRightBearing (const QGlyphLayout &glyphs, bool round=false)

Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...

virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...

virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...

virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...

	QObject (QObjectPrivate &dd, QObject *parent=0)

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...

QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...

Static Protected Functions inherited from QFontEngine
static const QVector< QRgb > &	grayPalette ()

Protected Variables inherited from QFontEngineMulti
QVector< QFontEngine * >	engines

Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject

Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()

T *	qobject_cast (QObject *object)

	QObjectList

void *	qt_find_obj_child (QObject parent, const char type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 140 of file qfontengine_x11_p.h.

Constructors and Destructors

◆ QFontEngineMultiFT()

QFontEngineMultiFT::QFontEngineMultiFT	(	QFontEngine *	fe,
		FcPattern *	firstEnginePattern,
		FcPattern *	p,
		int	s,
		const QFontDef &	request
	)

Definition at line 876 of file qfontengine_x11.cpp.

     : QFontEngineMulti(2), request(req), pattern(p), fontSet(0), screen(s)
 {
     firstEnginePattern = FcPatternDuplicate(matchedPattern);
     engines[0] = fe;
     engines.at(0)->ref.ref();
     fontDef = engines[0]->fontDef;
     cache_cost = 100;
     firstFontIndex = 1;
 }

◆ ~QFontEngineMultiFT()

QFontEngineMultiFT::~QFontEngineMultiFT ( )

Definition at line 887 of file qfontengine_x11.cpp.

 {
     extern QMutex *qt_fontdatabase_mutex();
     QMutexLocker locker(qt_fontdatabase_mutex());
 
     FcPatternDestroy(pattern);
     if (firstEnginePattern)
         FcPatternDestroy(firstEnginePattern);
     if (fontSet)
         FcFontSetDestroy(fontSet);
 }

Functions

◆ loadEngine()

void QFontEngineMultiFT::loadEngine ( int at )

virtual

Implements QFontEngineMulti.

Definition at line 900 of file qfontengine_x11.cpp.

 {
     extern QMutex *qt_fontdatabase_mutex();
     QMutexLocker locker(qt_fontdatabase_mutex());
 
     extern QFontDef qt_FcPatternToQFontDef(FcPattern *pattern, const QFontDef &);
     extern FcFontSet *qt_fontSetForPattern(FcPattern *pattern, const QFontDef &request);
 
     Q_ASSERT(at > 0);
     if (!fontSet) {
         fontSet = qt_fontSetForPattern(pattern, request);
 
         // it may happen that the fontset of fallbacks consists of only one font. In this case we
         // have to fall back to the box fontengine as we cannot render the glyph.
         if (fontSet->nfont == 1 && at == 1 && engines.size() == 2) {
             Q_ASSERT(engines.at(at) == 0);
             QFontEngine *fe = new QFontEngineBox(request.pixelSize);
             fe->fontDef = request;
             engines[at] = fe;
             return;
         }
 
         if (firstEnginePattern) {
 
             if (!FcPatternEqual(firstEnginePattern, fontSet->fonts[0]))
                 firstFontIndex = 0;
 
             FcPatternDestroy(firstEnginePattern);
             firstEnginePattern = 0;
         }
 
         engines.resize(fontSet->nfont + 1 - firstFontIndex);
     }
     Q_ASSERT(at < engines.size());
     Q_ASSERT(engines.at(at) == 0);
 
     FcPattern *match = FcFontRenderPrepare(NULL, pattern, fontSet->fonts[at + firstFontIndex - 1]);
     QFontDef fontDef = qt_FcPatternToQFontDef(match, this->request);
 
     // note: we use -1 for the script to make sure that we keep real
     // FT engines separate from Multi engines in the font cache
     QFontCache::Key key(fontDef, -1, screen);
     QFontEngine *fontEngine = QFontCache::instance()->findEngine(key);
     if (!fontEngine) {
         fontEngine = engineForPattern(match, request, screen);
         QFontCache::instance()->insertEngine(key, fontEngine);
     }
     FcPatternDestroy(match);
     fontEngine->ref.ref();
     engines[at] = fontEngine;
 }

Properties

◆ firstEnginePattern

FcPattern* QFontEngineMultiFT::firstEnginePattern

private

Definition at line 151 of file qfontengine_x11_p.h.

Referenced by loadEngine(), QFontEngineMultiFT(), and ~QFontEngineMultiFT().

◆ firstFontIndex

int QFontEngineMultiFT::firstFontIndex

private

Definition at line 154 of file qfontengine_x11_p.h.

Referenced by loadEngine(), and QFontEngineMultiFT().

◆ fontSet

FcFontSet* QFontEngineMultiFT::fontSet

private

Definition at line 152 of file qfontengine_x11_p.h.

Referenced by loadEngine(), and ~QFontEngineMultiFT().

◆ pattern

FcPattern* QFontEngineMultiFT::pattern

private

Definition at line 150 of file qfontengine_x11_p.h.

Referenced by loadEngine(), and ~QFontEngineMultiFT().

◆ request

QFontDef QFontEngineMultiFT::request

private

Definition at line 149 of file qfontengine_x11_p.h.

Referenced by loadEngine().

◆ screen

int QFontEngineMultiFT::screen

private

Definition at line 153 of file qfontengine_x11_p.h.

Referenced by loadEngine().

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

/src/gui/text/qfontengine_x11_p.h
/src/gui/text/qfontengine_x11.cpp

Public Functions

Properties

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QFontEngineMultiFT()

◆ ~QFontEngineMultiFT()

Functions

◆ loadEngine()

Properties

◆ firstEnginePattern

◆ firstFontIndex

◆ fontSet

◆ pattern

◆ request

◆ screen