#include <qfontengine_x11_p.h>

Inheritance diagram for QFontEngineX11FT:

Public Functions
QFontEngine *	cloneWithSize (qreal pixelSize) const

	QFontEngineX11FT (const QFontDef &fontDef)

	QFontEngineX11FT (FcPattern *pattern, const QFontDef &fd, int screen)

	~QFontEngineX11FT ()

Public Functions inherited from QFontEngineFT
virtual void	addGlyphsToPath (glyph_t glyphs, QFixedPoint positions, int nglyphs, QPainterPath *path, QTextItem::RenderFlags flags)

virtual void	addOutlineToPath (qreal x, qreal y, const QGlyphLayout &glyphs, QPainterPath *path, QTextItem::RenderFlags flags)

virtual glyph_metrics_t	alphaMapBoundingBox (glyph_t glyph, QFixed subPixelPosition, const QTransform &matrix, QFontEngine::GlyphFormat format)

virtual QImage	alphaMapForGlyph (glyph_t g)

virtual QImage	alphaMapForGlyph (glyph_t, QFixed)

virtual QImage	alphaRGBMapForGlyph (glyph_t, QFixed subPixelPosition, int margin, const QTransform &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 glyph_metrics_t	boundingBox (glyph_t glyph, const QTransform &matrix)

Glyph *	cachedGlyph (glyph_t g) const

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

GlyphFormat	defaultGlyphFormat () const

QGlyphSet *	defaultGlyphs ()

HintStyle	defaultHintStyle () const

virtual QFixed	descent () const

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

virtual void	draw (QPaintEngine *, qreal, qreal, const QTextItemInt &)

bool	drawAntialiased () const

virtual QFixed	emSquareSize () const

virtual QFontEngine::FaceId	faceId () const

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

virtual bool	getSfntTableData (uint tag, uchar buffer, uint length) const

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

virtual int	glyphCount () const

bool	init (FaceId faceId, bool antiaalias, GlyphFormat defaultFormat=Format_None, const QByteArray &fontData=QByteArray())

bool	init (FaceId faceId, bool antialias, GlyphFormat format, QFreetypeFace *freetypeFace)

bool	initFromFontEngine (const QFontEngineFT *fontEngine)

bool	invalid () const

bool	isBitmapFont () const

virtual QFixed	leading () const

virtual QFixed	lineThickness () const

Glyph *	loadGlyph (uint glyph, QFixed subPixelPosition, GlyphFormat format=Format_None, bool fetchMetricsOnly=false) const

Glyph *	loadGlyph (QGlyphSet *set, uint glyph, QFixed subPixelPosition, GlyphFormat=Format_None, bool fetchMetricsOnly=false) const

bool	loadGlyphs (QGlyphSet gs, const glyph_t glyphs, int num_glyphs, const QFixedPoint *positions, GlyphFormat format=Format_Render)

QGlyphSet *	loadTransformedGlyphSet (const QTransform &matrix)

FT_Face	lockFace (Scaling scale=Scaled) const

virtual qreal	maxCharWidth () const

virtual qreal	minLeftBearing () const

virtual qreal	minRightBearing () const

virtual const char *	name () const

FT_Face	non_locked_face () const

virtual QFontEngine::Properties	properties () const

	QFontEngineFT (const QFontDef &fd)

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

virtual void	removeGlyphFromCache (glyph_t glyph)

void	setDefaultHintStyle (HintStyle style)

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

QFixed	subPixelPositionForX (QFixed x)

virtual bool	supportsSubPixelPositions () const

virtual int	synthesized () const

virtual Type	type () const

virtual QFixed	underlinePosition () const

void	unlockFace () const

virtual QFixed	xHeight () const

virtual	~QFontEngineFT ()

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

virtual QImage	alphaMapForGlyph (glyph_t, const QTransform &t)

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

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

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

QByteArray	getSfntTable (uint) const

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

HB_Face	harfbuzzFace () const

HB_Font	harfbuzzFont () const

void	loadKerningPairs (QFixed scalingFactor)

	QFontEngine ()

void	setGlyphCache (void key, QFontEngineGlyphCache data)

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...

Public Variables
int	xglyph_format

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

Protected Functions
virtual unsigned long	allocateServerGlyphSet ()

virtual void	freeServerGlyphSet (unsigned long id)

virtual bool	uploadGlyphToServer (QGlyphSet set, uint glyphid, Glyph g, GlyphInfo *info, int glyphDataSize) const

Protected Functions inherited from QFontEngineFT
void	freeGlyphSets ()

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...

Additional Inherited Members
Public Types inherited from QFontEngineFT
typedef XGlyphInfo	GlyphInfo

enum	HintStyle { HintNone, HintLight, HintMedium, HintFull }

enum	Scaling { Scaled, Unscaled }

enum	SubpixelAntialiasingType { Subpixel_None, Subpixel_RGB, Subpixel_BGR, Subpixel_VRGB, Subpixel_VBGR }

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)

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

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

Protected Variables inherited from QFontEngineFT
bool	antialias

bool	canUploadGlyphsToServer

HintStyle	default_hint_style

int	default_load_flags

bool	embeddedbitmap

bool	embolden

QFreetypeFace *	freetype

int	lcdFilterType

SubpixelAntialiasingType	subpixelType

bool	transform

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 157 of file qfontengine_x11_p.h.

Constructors and Destructors

◆ QFontEngineX11FT() [1/2]

QFontEngineX11FT::QFontEngineX11FT ( const QFontDef & fontDef )

inlineexplicit

Definition at line 160 of file qfontengine_x11_p.h.

Referenced by cloneWithSize().

160 : QFontEngineFT(fontDef) {}

QFontEngineFT::QFontEngineFT

QFontEngineFT(const QFontDef &fd)

Definition: qfontengine_ft.cpp:624

◆ QFontEngineX11FT() [2/2]

QFontEngineX11FT::QFontEngineX11FT	(	FcPattern *	pattern,
		const QFontDef &	fd,
		int	screen
	)

explicit

Definition at line 971 of file qfontengine_x11.cpp.

     : QFontEngineFT(fd)
 {
 //     FcPatternPrint(pattern);
 
     bool antialias = X11->fc_antialias;
     QByteArray file_name;
     int face_index;
     qt_x11ft_convert_pattern(pattern, &file_name, &face_index, &antialias);
     QFontEngine::FaceId face_id;
     face_id.filename = file_name;
     face_id.index = face_index;
 
     canUploadGlyphsToServer = QApplication::testAttribute(Qt::AA_X11InitThreads) || (qApp->thread() == QThread::currentThread());
 
     subpixelType = Subpixel_None;
     if (antialias) {
         int subpixel = X11->display ? X11->screens[screen].subpixel : FC_RGBA_UNKNOWN;
         if (subpixel == FC_RGBA_UNKNOWN)
             (void) FcPatternGetInteger(pattern, FC_RGBA, 0, &subpixel);
         if (!antialias || subpixel == FC_RGBA_UNKNOWN)
             subpixel = FC_RGBA_NONE;
 
         switch (subpixel) {
             case FC_RGBA_NONE: subpixelType = Subpixel_None; break;
             case FC_RGBA_RGB: subpixelType = Subpixel_RGB; break;
             case FC_RGBA_BGR: subpixelType = Subpixel_BGR; break;
             case FC_RGBA_VRGB: subpixelType = Subpixel_VRGB; break;
             case FC_RGBA_VBGR: subpixelType = Subpixel_VBGR; break;
             default: break;
         }
     }
 
     if (fd.hintingPreference != QFont::PreferDefaultHinting) {
         switch (fd.hintingPreference) {
         case QFont::PreferNoHinting:
             default_hint_style = HintNone;
             break;
         case QFont::PreferVerticalHinting:
             default_hint_style = HintLight;
             break;
         case QFont::PreferFullHinting:
         default:
             default_hint_style = HintFull;
             break;
         }
     }
 #ifdef FC_HINT_STYLE
     else {
         int hint_style = 0;
         // Try to use Xft.hintstyle from XDefaults first if running in GNOME, to match
         // the behavior of cairo
         if (X11->fc_hint_style > -1 && X11->desktopEnvironment == DE_GNOME)
             hint_style = X11->fc_hint_style;
         else if (FcPatternGetInteger (pattern, FC_HINT_STYLE, 0, &hint_style) == FcResultNoMatch
                  && X11->fc_hint_style > -1)
             hint_style = X11->fc_hint_style;
 
         switch (hint_style) {
         case FC_HINT_NONE:
             default_hint_style = HintNone;
             break;
         case FC_HINT_SLIGHT:
             default_hint_style = HintLight;
             break;
         case FC_HINT_MEDIUM:
             default_hint_style = HintMedium;
             break;
         default:
             default_hint_style = HintFull;
             break;
         }
     }
 #endif
 
 #if defined(FC_AUTOHINT) && defined(FT_LOAD_FORCE_AUTOHINT)
     {
         bool autohint = false;
 
         FcBool b;
         if (FcPatternGetBool(pattern, FC_AUTOHINT, 0, &b) == FcResultMatch)
             autohint = b;
 
         if (autohint)
             default_load_flags |= FT_LOAD_FORCE_AUTOHINT;
     }
 #endif
 
 #if defined(FC_LCD_FILTER) && defined(FT_LCD_FILTER_H)
     {
         int filter = FC_LCD_FILTER_NONE;
         if (FcPatternGetInteger(pattern, FC_LCD_FILTER, 0, &filter) == FcResultMatch) {
             switch (filter) {
             case FC_LCD_FILTER_NONE:
                 lcdFilterType = FT_LCD_FILTER_NONE;
                 break;
             case FC_LCD_FILTER_DEFAULT:
                 lcdFilterType = FT_LCD_FILTER_DEFAULT;
                 break;
             case FC_LCD_FILTER_LIGHT:
                 lcdFilterType = FT_LCD_FILTER_LIGHT;
                 break;
             case FC_LCD_FILTER_LEGACY:
                 lcdFilterType = FT_LCD_FILTER_LEGACY;
                 break;
             default:
                 // new unknown lcd filter type?!
                 break;
             }
         }
     }
 #endif
 
 #ifdef FC_EMBEDDED_BITMAP
     {
         FcBool b;
         if (FcPatternGetBool(pattern, FC_EMBEDDED_BITMAP, 0, &b) == FcResultMatch)
             embeddedbitmap = b;
     }
 #endif
 
     GlyphFormat defaultFormat = Format_None;
 
 #ifndef QT_NO_XRENDER
     if (X11->use_xrender) {
         int format = PictStandardA8;
         if (!antialias)
             format = PictStandardA1;
         else if (subpixelType == Subpixel_RGB
                  || subpixelType == Subpixel_BGR
                  || subpixelType == Subpixel_VRGB
                  || subpixelType == Subpixel_VBGR)
             format = PictStandardARGB32;
         xglyph_format = format;
 
         if (subpixelType != QFontEngineFT::Subpixel_None)
             defaultFormat = Format_A32;
         else if (antialias)
             defaultFormat = Format_A8;
         else
             defaultFormat = Format_Mono;
     }
 #endif
 
     if (!init(face_id, antialias, defaultFormat))
         return;
 
     if (!freetype->charset) {
         FcCharSet *cs;
         FcPatternGetCharSet (pattern, FC_CHARSET, 0, &cs);
         freetype->charset = FcCharSetCopy(cs);
     }
 }

◆ ~QFontEngineX11FT()

QFontEngineX11FT::~QFontEngineX11FT ( )

Definition at line 1125 of file qfontengine_x11.cpp.

 {
     freeGlyphSets();
 }

Functions

◆ allocateServerGlyphSet()

unsigned long QFontEngineX11FT::allocateServerGlyphSet ( )

protectedvirtual

Reimplemented from QFontEngineFT.

Definition at line 1130 of file qfontengine_x11.cpp.

 {
 #ifndef QT_NO_XRENDER
     if (!canUploadGlyphsToServer || !X11->use_xrender)
         return 0;
     return XRenderCreateGlyphSet(X11->display, XRenderFindStandardFormat(X11->display, xglyph_format));
 #else
     return 0;
 #endif
 }

◆ cloneWithSize()

QFontEngine * QFontEngineX11FT::cloneWithSize ( qreal pixelSize ) const

virtual

Reimplemented from QFontEngineFT.

Definition at line 1185 of file qfontengine_x11.cpp.

 {
     QFontDef fontDef;
     fontDef.pixelSize = pixelSize;
     QFontEngineX11FT *fe = new QFontEngineX11FT(fontDef);
     if (!fe->initFromFontEngine(this)) {
         delete fe;
         return 0;
     } else {
 #ifndef QT_NO_XRENDER
         fe->xglyph_format = xglyph_format;
 #endif
         return fe;
     }
 }

◆ freeServerGlyphSet()

void QFontEngineX11FT::freeServerGlyphSet ( unsigned long id )

protectedvirtual

Reimplemented from QFontEngineFT.

Definition at line 1141 of file qfontengine_x11.cpp.

 {
 #ifndef QT_NO_XRENDER
     if (!id)
         return;
     XRenderFreeGlyphSet(X11->display, id);
 #endif
 }

◆ uploadGlyphToServer()

bool QFontEngineX11FT::uploadGlyphToServer	(	QGlyphSet *	set,
		uint	glyphid,
		Glyph *	g,
		GlyphInfo *	info,
		int	glyphDataSize
	)		const

protectedvirtual

Reimplemented from QFontEngineFT.

Definition at line 1150 of file qfontengine_x11.cpp.

 {
 #ifndef QT_NO_XRENDER
     if (!canUploadGlyphsToServer)
         return false;
     if (g->format == Format_Mono) {
         /*
          * swap bit order around; FreeType is always MSBFirst
          */
         if (BitmapBitOrder(X11->display) != MSBFirst) {
             unsigned char *line = g->data;
             int i = glyphDataSize;
             while (i--) {
                 unsigned char c;
                 c = *line;
                 c = ((c << 1) & 0xaa) | ((c >> 1) & 0x55);
                 c = ((c << 2) & 0xcc) | ((c >> 2) & 0x33);
                 c = ((c << 4) & 0xf0) | ((c >> 4) & 0x0f);
                 *line++ = c;
             }
         }
     }
 
     ::Glyph xglyph = glyphid;
     XRenderAddGlyphs (X11->display, set->id, &xglyph, info, 1, (const char *)g->data, glyphDataSize);
     delete [] g->data;
     g->data = 0;
     g->format = Format_None;
     g->uploadedToServer = true;
     return true;
 #else
     return false;
 #endif
 }

Properties

◆ xglyph_format

int QFontEngineX11FT::xglyph_format

Definition at line 167 of file qfontengine_x11_p.h.

Referenced by allocateServerGlyphSet(), cloneWithSize(), and QX11PaintEngine::drawFreetype().

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

Public Variables

Protected Functions

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QFontEngineX11FT() [1/2]

◆ QFontEngineX11FT() [2/2]

◆ ~QFontEngineX11FT()

Functions

◆ allocateServerGlyphSet()

◆ cloneWithSize()

◆ freeServerGlyphSet()

◆ uploadGlyphToServer()

Properties

◆ xglyph_format