#include <qfontengine_win_p.h>

Inheritance diagram for QFontEngineWin:

Public Functions
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 QImage	alphaMapForGlyph (glyph_t t)

virtual QImage	alphaMapForGlyph (glyph_t, const QTransform &xform)

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

virtual QFixed	ascent () const

virtual QFixed	averageCharWidth () const

virtual glyph_metrics_t	boundingBox (const QGlyphLayout &glyphs)

virtual glyph_metrics_t	boundingBox (glyph_t g)

virtual glyph_metrics_t	boundingBox (glyph_t g, const QTransform &t)

bool	canRender (const QChar *string, int len)

virtual QFontEngine *	cloneWithSize (qreal pixelSize) const

virtual QFixed	descent () const

virtual QFixed	emSquareSize () const

virtual FaceId	faceId () const

void	getCMap ()

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

int	getGlyphIndexes (const QChar ch, int numChars, QGlyphLayout glyphs, bool mirrored) const

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

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

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

virtual Properties	properties () const

	QFontEngineWin (const QString &name, HFONT, bool, LOGFONT)

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

HGDIOBJ	selectDesignFont () const

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

virtual int	synthesized () const

Type	type () const

virtual QFixed	xHeight () const

	~QFontEngineWin ()

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

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, QFixed subPixelPosition, const QTransform &t)

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

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)

	QFontEngine ()

virtual void	removeGlyphFromCache (glyph_t)

void	setGlyphCache (void key, QFontEngineGlyphCache data)

virtual bool	supportsSubPixelPositions () const

glyph_metrics_t	tightBoundingBox (const QGlyphLayout &glyphs)

virtual QFixed	underlinePosition () const

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
FaceId	_faceId

QString	_name

const unsigned char *	cmap

QByteArray	cmapTable

QFixed *	designAdvances

int	designAdvancesSize

QFixed	designToDevice

uint	hasOutline: 1

HFONT	hfont

qreal	lbearing

QFixed	lineWidth

LOGFONT	logfont

int	lw

qreal	rbearing

uint	stockFont: 1

int	synthesized_flags

TEXTMETRIC	tm

uint	ttf: 1

QString	uniqueFamilyName

int	unitsPerEm

unsigned char *	widthCache

uint	widthCacheSize

QFixed	x_height

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

Private Functions
QNativeImage *	drawGDIGlyph (HFONT font, glyph_t, int margin, const QTransform &xform, QImage::Format mask_format)

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)

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 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 62 of file qfontengine_win_p.h.

Constructors and Destructors

◆ QFontEngineWin()

QFontEngineWin::QFontEngineWin	(	const QString &	name,
		HFONT	_hfont,
		bool	stockFont,
		LOGFONT	lf
	)

Definition at line 314 of file qfontengine_win.cpp.

 {
     //qDebug("regular windows font engine created: font='%s', size=%d", name, lf.lfHeight);
 
     _name = name;
 
     cmap = 0;
     hfont = _hfont;
     logfont = lf;
     HDC hdc = shared_dc();
     SelectObject(hdc, hfont);
     this->stockFont = stockFont;
     fontDef.pixelSize = -lf.lfHeight;
 
     lbearing = SHRT_MIN;
     rbearing = SHRT_MIN;
     synthesized_flags = -1;
     lineWidth = -1;
     x_height = -1;
 
     BOOL res = GetTextMetrics(hdc, &tm);
     fontDef.fixedPitch = !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
     if (!res) {
         qErrnoWarning("QFontEngineWin: GetTextMetrics failed");
         ZeroMemory(&tm, sizeof(TEXTMETRIC));
     }
 
     cache_cost = tm.tmHeight * tm.tmAveCharWidth * 2000;
     getCMap();
 
     widthCache = 0;
     widthCacheSize = 0;
     designAdvances = 0;
     designAdvancesSize = 0;
 
 #ifndef Q_WS_WINCE
     if (!resolvedGetCharWidthI)
         resolveGetCharWidthI();
 #endif
 }

◆ ~QFontEngineWin()

QFontEngineWin::~QFontEngineWin ( )

Definition at line 355 of file qfontengine_win.cpp.

 {
     if (designAdvances)
         free(designAdvances);
 
     if (widthCache)
         free(widthCache);
 
     // make sure we aren't by accident still selected
     SelectObject(shared_dc(), (HFONT)GetStockObject(SYSTEM_FONT));
 
     if (!stockFont) {
         if (!DeleteObject(hfont))
             qErrnoWarning("QFontEngineWin: failed to delete non-stock font...");
     }
 }

Functions

◆ addGlyphsToPath()

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

virtual

Reimplemented from QFontEngine.

Definition at line 944 of file qfontengine_win.cpp.

 {
     LOGFONT lf = logfont;
     // The sign must be negative here to make sure we match against character height instead of
     // hinted cell height. This ensures that we get linear matching, and we need this for
     // paths since we later on apply a scaling transform to the glyph outline to get the
     // font at the correct pixel size.
     lf.lfHeight = -unitsPerEm;
     lf.lfWidth = 0;
     HFONT hf = CreateFontIndirect(&lf);
     HDC hdc = shared_dc();
     HGDIOBJ oldfont = SelectObject(hdc, hf);
 
     for(int i = 0; i < nglyphs; ++i) {
         if (!addGlyphToPath(glyphs[i], positions[i], hdc, path, ttf, /*metric*/0,
                             qreal(fontDef.pixelSize) / unitsPerEm)) {
             // Some windows fonts, like "Modern", are vector stroke
             // fonts, which are reported as TMPF_VECTOR but do not
             // support GetGlyphOutline, and thus we set this bit so
             // that addOutLineToPath can check it and return safely...
             hasOutline = false;
             break;
         }
     }
     DeleteObject(SelectObject(hdc, oldfont));
 }

◆ addOutlineToPath()

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

virtual

Reimplemented from QFontEngine.

Definition at line 972 of file qfontengine_win.cpp.

 {
 #if !defined(Q_WS_WINCE)
     if(tm.tmPitchAndFamily & (TMPF_TRUETYPE | TMPF_VECTOR)) {
         hasOutline = true;
         QFontEngine::addOutlineToPath(x, y, glyphs, path, flags);
         if (hasOutline)  {
             // has_outline is set to false if addGlyphToPath gets
             // false from GetGlyphOutline, meaning its not an outline
             // font.
             return;
         }
     }
 #endif
     QFontEngine::addBitmapFontToPath(x, y, glyphs, path, flags);
 }

◆ alphaMapForGlyph() [1/2]

virtual QImage QFontEngineWin::alphaMapForGlyph ( glyph_t glyph )

inlinevirtual

Create a qimage with the alpha values for the glyph. Returns an image indexed_8 with index values ranging from 0=fully transparent to 255=opaque

Reimplemented from QFontEngine.

Definition at line 105 of file qfontengine_win_p.h.

Referenced by alphaMapForGlyph().

105 { return alphaMapForGlyph(t, QTransform()); }

QFontEngineWin::alphaMapForGlyph

virtual QImage alphaMapForGlyph(glyph_t t)

Definition: qfontengine_win_p.h:105

QTransform

The QTransform class specifies 2D transformations of a coordinate system.

Definition: qtransform.h:65

◆ alphaMapForGlyph() [2/2]

QImage QFontEngineWin::alphaMapForGlyph	(	glyph_t	glyph,
		const QTransform &	xform
	)

virtual

Reimplemented from QFontEngine.

Definition at line 1193 of file qfontengine_win.cpp.

 {
     HFONT font = hfont;
     if (qt_cleartype_enabled) {
         LOGFONT lf = logfont;
         lf.lfQuality = ANTIALIASED_QUALITY;
         font = CreateFontIndirect(&lf);
     }
     QImage::Format mask_format = QNativeImage::systemFormat();
 #ifndef Q_OS_WINCE
     mask_format = QImage::Format_RGB32;
 #endif
 
     QNativeImage *mask = drawGDIGlyph(font, glyph, 0, xform, mask_format);
     if (mask == 0)
         return QImage();
 
     QImage indexed(mask->width(), mask->height(), QImage::Format_Indexed8);
 
     // ### This part is kinda pointless, but we'll crash later if we don't because some
     // code paths expects there to be colortables for index8-bit...
     QVector<QRgb> colors(256);
     for (int i=0; i<256; ++i)
         colors[i] = qRgba(0, 0, 0, i);
     indexed.setColorTable(colors);
 
     // Copy data... Cannot use QPainter here as GDI has messed up the
     // Alpha channel of the ni.image pixels...
     for (int y=0; y<mask->height(); ++y) {
         uchar *dest = indexed.scanLine(y);
         if (mask->image.format() == QImage::Format_RGB16) {
             const qint16 *src = (qint16 *) ((const QImage &) mask->image).scanLine(y);
             for (int x=0; x<mask->width(); ++x)
                 dest[x] = 255 - qGray(src[x]);
         } else {
             const uint *src = (uint *) ((const QImage &) mask->image).scanLine(y);
             for (int x=0; x<mask->width(); ++x) {
 #ifdef Q_OS_WINCE
                 dest[x] = 255 - qGray(src[x]);
 #else
                 if (QNativeImage::systemFormat() == QImage::Format_RGB16)
                     dest[x] = 255 - qGray(src[x]);
                 else
                     dest[x] = 255 - (qt_pow_gamma[qGray(src[x])] * 255. / 2047.);
 #endif
             }
         }
     }
 
     // Cleanup...
     delete mask;
     if (qt_cleartype_enabled) {
         DeleteObject(font);
     }
 
     return indexed;
 }

◆ alphaRGBMapForGlyph()

QImage QFontEngineWin::alphaRGBMapForGlyph	(	glyph_t	t,
		QFixed	subPixelPosition,
		int	margin,
		const QTransform &	xform
	)

virtual

Reimplemented from QFontEngine.

Definition at line 1254 of file qfontengine_win.cpp.

Referenced by alphaMapForGlyph().

 {
     HFONT font = hfont;
 
     int contrast;
     SystemParametersInfo(SPI_GETFONTSMOOTHINGCONTRAST, 0, &contrast, 0);
     SystemParametersInfo(SPI_SETFONTSMOOTHINGCONTRAST, 0, (void *) 1000, 0);
 
     QNativeImage *mask = drawGDIGlyph(font, glyph, margin, t, QImage::Format_RGB32);
     SystemParametersInfo(SPI_SETFONTSMOOTHINGCONTRAST, 0, (void *) contrast, 0);
 
     if (mask == 0)
         return QImage();
 
     // Gracefully handle the odd case when the display is 16-bit
     const QImage source = mask->image.depth() == 32
                           ? mask->image
                           : mask->image.convertToFormat(QImage::Format_RGB32);
 
     QImage rgbMask(mask->width(), mask->height(), QImage::Format_RGB32);
     for (int y=0; y<mask->height(); ++y) {
         uint *dest = (uint *) rgbMask.scanLine(y);
         const uint *src = (uint *) source.scanLine(y);
         for (int x=0; x<mask->width(); ++x) {
             dest[x] = 0xffffffff - (0x00ffffff & src[x]);
         }
     }
 
     delete mask;
 
     return rgbMask;
 }

◆ ascent()

QFixed QFontEngineWin::ascent ( ) const

virtual

Implements QFontEngine.

Definition at line 596 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     return tm.tmAscent;
 }

◆ averageCharWidth()

QFixed QFontEngineWin::averageCharWidth ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 621 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     return tm.tmAveCharWidth;
 }

◆ boundingBox() [1/3]

glyph_metrics_t QFontEngineWin::boundingBox ( const QGlyphLayout & glyphs )

virtual

Implements QFontEngine.

Definition at line 480 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     if (glyphs.numGlyphs == 0)
         return glyph_metrics_t();
 
     QFixed w = 0;
     for (int i = 0; i < glyphs.numGlyphs; ++i)
         w += glyphs.effectiveAdvance(i);
 
     return glyph_metrics_t(0, -tm.tmAscent, w - lastRightBearing(glyphs), tm.tmHeight, w, 0);
 }

◆ boundingBox() [2/3]

virtual glyph_metrics_t QFontEngineWin::boundingBox ( glyph_t g )

inlinevirtual

Implements QFontEngine.

Definition at line 86 of file qfontengine_win_p.h.

Referenced by boundingBox().

86 { return boundingBox(g, QTransform()); }

QFontEngineWin::boundingBox

virtual glyph_metrics_t boundingBox(const QGlyphLayout &glyphs)

Definition: qfontengine_win.cpp:480

QTransform

The QTransform class specifies 2D transformations of a coordinate system.

Definition: qtransform.h:65

◆ boundingBox() [3/3]

glyph_metrics_t QFontEngineWin::boundingBox	(	glyph_t	g,
		const QTransform &	t
	)

virtual

Reimplemented from QFontEngine.

Definition at line 546 of file qfontengine_win.cpp.

 {
 #ifndef Q_WS_WINCE
     HDC hdc = shared_dc();
     SelectObject(hdc, hfont);
 
     glyph_metrics_t glyphMetrics;
     bool success = getOutlineMetrics(glyph, t, &glyphMetrics);
 
     if (!ttf && !success) {
         // Bitmap fonts
         wchar_t ch = glyph;
         ABCFLOAT abc;
         GetCharABCWidthsFloat(hdc, ch, ch, &abc);
         int width = qRound(abc.abcfB);
 
         return glyph_metrics_t(QFixed::fromReal(abc.abcfA), -tm.tmAscent, width, tm.tmHeight, width, 0).transformed(t);
     }
 
     return glyphMetrics;
 #else
     HDC hdc = shared_dc();
     HGDIOBJ oldFont = SelectObject(hdc, hfont);
 
     ABC abc;
     int width;
     int advance;
 #ifdef GWES_MGTT    // true type fonts
     if (GetCharABCWidths(hdc, glyph, glyph, &abc)) {
         width = qAbs(abc.abcA) + abc.abcB + qAbs(abc.abcC);
         advance = abc.abcA + abc.abcB + abc.abcC;
     }
     else
 #endif
 #if defined(GWES_MGRAST) || defined(GWES_MGRAST2)   // raster fonts
     if (GetCharWidth32(hdc, glyph, glyph, &width)) {
         advance = width;
     }
     else
 #endif
     {   // fallback
         width = tm.tmMaxCharWidth;
         advance = width;
     }
 
     SelectObject(hdc, oldFont);
     return glyph_metrics_t(0, -tm.tmAscent, width, tm.tmHeight, advance, 0).transformed(t);
 #endif
 }

◆ canRender()

bool QFontEngineWin::canRender	(	const QChar *	string,
		int	len
	)

virtual

Implements QFontEngine.

Definition at line 791 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     if (symbol) {
         for (int i = 0; i < len; ++i) {
             unsigned int uc = getChar(string, i, len);
             if (getTrueTypeGlyphIndex(cmap, uc) == 0) {
                 if (uc < 0x100) {
                     if (getTrueTypeGlyphIndex(cmap, uc + 0xf000) == 0)
                         return false;
                 } else {
                     return false;
                 }
             }
         }
     } else if (ttf) {
         for (int i = 0; i < len; ++i) {
             unsigned int uc = getChar(string, i, len);
             if (getTrueTypeGlyphIndex(cmap, uc) == 0)
                 return false;
         }
     } else {
         while(len--) {
             if (tm.tmFirstChar > string->unicode() || tm.tmLastChar < string->unicode())
                 return false;
         }
     }
     return true;
 }

◆ cloneWithSize()

QFontEngine * QFontEngineWin::cloneWithSize ( qreal pixelSize ) const

virtual

Reimplemented from QFontEngine.

Definition at line 1289 of file qfontengine_win.cpp.

Referenced by alphaMapForGlyph().

 {
     QFontDef request = fontDef;
     QString actualFontName = request.family;
     if (!uniqueFamilyName.isEmpty())
         request.family = uniqueFamilyName;
     request.pixelSize = pixelSize;
 
     QFontEngine *fontEngine = qt_load_font_engine_win(request);
     if (fontEngine != NULL)
         fontEngine->fontDef.family = actualFontName;
 
     return fontEngine;
 }

◆ descent()

QFixed QFontEngineWin::descent ( ) const

virtual

Implements QFontEngine.

Definition at line 601 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     // ### we substract 1 to even out the historical +1 in QFontMetrics's
     // ### height=asc+desc+1 equation. Fix in Qt5.
     return tm.tmDescent - 1;
 }

◆ drawGDIGlyph()

QNativeImage * QFontEngineWin::drawGDIGlyph	(	HFONT	font,
		glyph_t	glyph,
		int	margin,
		const QTransform &	xform,
		QImage::Format	mask_format
	)

private

Definition at line 1090 of file qfontengine_win.cpp.

 {
     Q_UNUSED(mask_format)
     glyph_metrics_t gm = boundingBox(glyph);
 
 //     printf(" -> for glyph %4x\n", glyph);
 
     int gx = gm.x.toInt();
     int gy = gm.y.toInt();
     int iw = gm.width.toInt();
     int ih = gm.height.toInt();
 
     if (iw <= 0 || iw <= 0)
         return 0;
 
     bool has_transformation = t.type() > QTransform::TxTranslate;
 
 #ifndef Q_WS_WINCE
     unsigned int options = ttf ? ETO_GLYPH_INDEX : 0;
     XFORM xform;
 
     if (has_transformation) {
         xform.eM11 = t.m11();
         xform.eM12 = t.m12();
         xform.eM21 = t.m21();
         xform.eM22 = t.m22();
         xform.eDx = margin;
         xform.eDy = margin;
 
         QtHDC qthdc;
         HDC hdc = qthdc.hdc();
 
         SetGraphicsMode(hdc, GM_ADVANCED);
         SetWorldTransform(hdc, &xform);
         HGDIOBJ old_font = SelectObject(hdc, font);
 
         int ggo_options = GGO_METRICS | (ttf ? GGO_GLYPH_INDEX : 0);
         GLYPHMETRICS tgm;
         MAT2 mat;
         memset(&mat, 0, sizeof(mat));
         mat.eM11.value = mat.eM22.value = 1;
 
         if (GetGlyphOutline(hdc, glyph, ggo_options, &tgm, 0, 0, &mat) == GDI_ERROR) {
             qWarning("QWinFontEngine: unable to query transformed glyph metrics...");
             return 0;
         }
 
         iw = tgm.gmBlackBoxX;
         ih = tgm.gmBlackBoxY;
 
         xform.eDx -= tgm.gmptGlyphOrigin.x;
         xform.eDy += tgm.gmptGlyphOrigin.y;
 
         SetGraphicsMode(hdc, GM_COMPATIBLE);
         SelectObject(hdc, old_font);
     }
 #else // else winc
     unsigned int options = 0;
 #ifdef DEBUG
     Q_ASSERT(!has_transformation);
 #else
     Q_UNUSED(has_transformation);
 #endif
 #endif
 
     QNativeImage *ni = new QNativeImage(iw + 2 * margin + 4,
                                         ih + 2 * margin + 4,
                                         QNativeImage::systemFormat(), !qt_cleartype_enabled);
 
     /*If cleartype is enabled we use the standard system format even on Windows CE
       and not the special textbuffer format we have to use if cleartype is disabled*/
 
     ni->image.fill(0xffffffff);
 
     HDC hdc = ni->hdc;
 
     SelectObject(hdc, GetStockObject(NULL_BRUSH));
     SelectObject(hdc, GetStockObject(BLACK_PEN));
     SetTextColor(hdc, RGB(0,0,0));
     SetBkMode(hdc, TRANSPARENT);
     SetTextAlign(hdc, TA_BASELINE);
 
     HGDIOBJ old_font = SelectObject(hdc, font);
 
 #ifndef Q_OS_WINCE
     if (has_transformation) {
         SetGraphicsMode(hdc, GM_ADVANCED);
         SetWorldTransform(hdc, &xform);
         ExtTextOut(hdc, 0, 0, options, 0, (LPCWSTR) &glyph, 1, 0);
     } else
 #endif
     {
         ExtTextOut(hdc, -gx + margin, -gy + margin, options, 0, (LPCWSTR) &glyph, 1, 0);
     }
     
     SelectObject(hdc, old_font);
     return ni;
 }

◆ emSquareSize()

QFixed QFontEngineWin::emSquareSize ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 1023 of file qfontengine_win.cpp.

 {
     return unitsPerEm;
 }

◆ faceId()

QFontEngine::FaceId QFontEngineWin::faceId ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 990 of file qfontengine_win.cpp.

 {
     return _faceId;
 }

◆ getCMap()

void QFontEngineWin::getCMap ( )

Definition at line 193 of file qfontengine_win.cpp.

Referenced by alphaMapForGlyph().

 {
     ttf = (bool)(tm.tmPitchAndFamily & TMPF_TRUETYPE);
     HDC hdc = shared_dc();
     SelectObject(hdc, hfont);
     bool symb = false;
     if (ttf) {
         cmapTable = getSfntTable(qbswap<quint32>(MAKE_TAG('c', 'm', 'a', 'p')));
         int size = 0;
         cmap = QFontEngine::getCMap(reinterpret_cast<const uchar *>(cmapTable.constData()),
                        cmapTable.size(), &symb, &size);
     }
     if (!cmap) {
         ttf = false;
         symb = false;
     }
     symbol = symb;
     designToDevice = 1;
     _faceId.index = 0;
     if(cmap) {
         OUTLINETEXTMETRIC *otm = getOutlineTextMetric(hdc);
         designToDevice = QFixed((int)otm->otmEMSquare)/int(otm->otmTextMetrics.tmHeight);
         unitsPerEm = otm->otmEMSquare;
         x_height = (int)otm->otmsXHeight;
         loadKerningPairs(designToDevice);
         _faceId.filename = QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpFullName)).toLatin1();
         lineWidth = otm->otmsUnderscoreSize;
         fsType = otm->otmfsType;
         free(otm);
     } else {
         unitsPerEm = tm.tmHeight;
     }
 }

◆ getGlyphBearings()

void QFontEngineWin::getGlyphBearings	(	glyph_t	glyph,
		qreal *	leftBearing = `0`,
		qreal *	rightBearing = `0`
	)

virtual

Reimplemented from QFontEngine.

Definition at line 657 of file qfontengine_win.cpp.

Referenced by alphaMapForGlyph().

 {
     HDC hdc = shared_dc();
     SelectObject(hdc, hfont);
 
 #ifndef Q_WS_WINCE
     if (ttf)
 #endif
 
     {
         ABC abcWidths;
         GetCharABCWidthsI(hdc, glyph, 1, 0, &abcWidths);
         if (leftBearing)
             *leftBearing = abcWidths.abcA;
         if (rightBearing)
             *rightBearing = abcWidths.abcC;
     }
 
 #ifndef Q_WS_WINCE
     else {
         QFontEngine::getGlyphBearings(glyph, leftBearing, rightBearing);
     }
 #endif
 }

◆ getGlyphIndexes()

int QFontEngineWin::getGlyphIndexes	(	const QChar *	ch,
		int	numChars,
		QGlyphLayout *	glyphs,
		bool	mirrored
	)		const

Definition at line 238 of file qfontengine_win.cpp.

Referenced by alphaMapForGlyph().

 {
     int i = 0;
     int glyph_pos = 0;
     if (mirrored) {
 #if defined(Q_WS_WINCE)
         {
 #else
         if (symbol) {
             for (; i < numChars; ++i, ++glyph_pos) {
                 unsigned int uc = getChar(str, i, numChars);
                 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
                 if (!glyphs->glyphs[glyph_pos] && uc < 0x100)
                     glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
             }
         } else if (ttf) {
             for (; i < numChars; ++i, ++glyph_pos) {
                 unsigned int uc = getChar(str, i, numChars);
                 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, QChar::mirroredChar(uc));
             }
         } else {
 #endif
             wchar_t first = tm.tmFirstChar;
             wchar_t last = tm.tmLastChar;
 
             for (; i < numChars; ++i, ++glyph_pos) {
                 uint ucs = QChar::mirroredChar(getChar(str, i, numChars));
                 if (
 #ifdef Q_WS_WINCE
                     tm.tmFirstChar > 60000 || // see line 375
 #endif
                         ucs >= first && ucs <= last)
                     glyphs->glyphs[glyph_pos] = ucs;
                 else
                     glyphs->glyphs[glyph_pos] = 0;
             }
         }
     } else {
 #if defined(Q_WS_WINCE)
         {
 #else
         if (symbol) {
             for (; i < numChars; ++i, ++glyph_pos) {
                 unsigned int uc = getChar(str, i, numChars);
                 glyphs->glyphs[i] = getTrueTypeGlyphIndex(cmap, uc);
                 if(!glyphs->glyphs[glyph_pos] && uc < 0x100)
                     glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc + 0xf000);
             }
         } else if (ttf) {
             for (; i < numChars; ++i, ++glyph_pos) {
                 unsigned int uc = getChar(str, i, numChars);
                 glyphs->glyphs[glyph_pos] = getTrueTypeGlyphIndex(cmap, uc);
             }
         } else {
 #endif
             wchar_t first = tm.tmFirstChar;
             wchar_t last = tm.tmLastChar;
 
             for (; i < numChars; ++i, ++glyph_pos) {
                 uint uc = getChar(str, i, numChars);
                 if (
 #ifdef Q_WS_WINCE
                     tm.tmFirstChar > 60000 || // see comment in QFontEngineWin
 #endif
                         uc >= first && uc <= last)
                     glyphs->glyphs[glyph_pos] = uc;
                 else
                     glyphs->glyphs[glyph_pos] = 0;
             }
         }
     }
     glyphs->numGlyphs = glyph_pos;
     return glyph_pos;
 }

◆ getSfntTableData()

bool QFontEngineWin::getSfntTableData	(	uint	tag,
		uchar *	buffer,
		uint *	length
	)		const

virtual

Reimplemented from QFontEngine.

Definition at line 1073 of file qfontengine_win.cpp.

 {
     if (!ttf)
         return false;
     HDC hdc = shared_dc();
     SelectObject(hdc, hfont);
     DWORD t = qbswap<quint32>(tag);
     *length = GetFontData(hdc, t, 0, buffer, *length);
     return *length != GDI_ERROR;
 }

◆ getUnscaledGlyph()

void QFontEngineWin::getUnscaledGlyph	(	glyph_t	glyph,
		QPainterPath *	path,
		glyph_metrics_t *	metrics
	)

virtual

Reimplemented from QFontEngine.

Definition at line 1055 of file qfontengine_win.cpp.

 {
     LOGFONT lf = logfont;
     lf.lfHeight = unitsPerEm;
     int flags = synthesized();
     if(flags & SynthesizedItalic)
         lf.lfItalic = false;
     lf.lfWidth = 0;
     HFONT hf = CreateFontIndirect(&lf);
     HDC hdc = shared_dc();
     HGDIOBJ oldfont = SelectObject(hdc, hf);
     QFixedPoint p;
     p.x = 0;
     p.y = 0;
     addGlyphToPath(glyph, p, hdc, path, ttf, metrics);
     DeleteObject(SelectObject(hdc, oldfont));
 }

◆ leading()

QFixed QFontEngineWin::leading ( ) const

virtual

Implements QFontEngine.

Definition at line 608 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     return tm.tmExternalLeading;
 }

◆ lineThickness()

QFixed QFontEngineWin::lineThickness ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 176 of file qfontengine_win.cpp.

 {
     if(lineWidth > 0)
         return lineWidth;
 
     return QFontEngine::lineThickness();
 }

◆ maxCharWidth()

qreal QFontEngineWin::maxCharWidth ( ) const

virtual

Implements QFontEngine.

Definition at line 626 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     return tm.tmMaxCharWidth;
 }

◆ minLeftBearing()

qreal QFontEngineWin::minLeftBearing ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 683 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     if (lbearing == SHRT_MIN)
         minRightBearing(); // calculates both
 
     return lbearing;
 }

◆ minRightBearing()

qreal QFontEngineWin::minRightBearing ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 691 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
 #ifdef Q_WS_WINCE
     if (rbearing == SHRT_MIN) {
         int ml = 0;
         int mr = 0;
         HDC hdc = shared_dc();
         SelectObject(hdc, hfont);
         if (ttf) {
             ABC *abc = 0;
             int n = tm.tmLastChar - tm.tmFirstChar;
             if (n <= max_font_count) {
                 abc = new ABC[n+1];
                 GetCharABCWidths(hdc, tm.tmFirstChar, tm.tmLastChar, abc);
             } else {
                 abc = new ABC[char_table_entries+1];
                 for(int i = 0; i < char_table_entries; i++)
                     GetCharABCWidths(hdc, char_table[i], char_table[i], abc+i);
                 n = char_table_entries;
             }
             ml = abc[0].abcA;
             mr = abc[0].abcC;
             for (int i = 1; i < n; i++) {
                 if (abc[i].abcA + abc[i].abcB + abc[i].abcC != 0) {
                     ml = qMin(ml,abc[i].abcA);
                     mr = qMin(mr,abc[i].abcC);
                 }
             }
             delete [] abc;
         }
         lbearing = ml;
         rbearing = mr;
     }
 
     return rbearing;
 #else
     if (rbearing == SHRT_MIN) {
         int ml = 0;
         int mr = 0;
         HDC hdc = shared_dc();
         SelectObject(hdc, hfont);
         if (ttf) {
             ABC *abc = 0;
             int n = tm.tmLastChar - tm.tmFirstChar;
             if (n <= max_font_count) {
                 abc = new ABC[n+1];
                 GetCharABCWidths(hdc, tm.tmFirstChar, tm.tmLastChar, abc);
             } else {
                 abc = new ABC[char_table_entries+1];
                 for(int i = 0; i < char_table_entries; i++)
                     GetCharABCWidths(hdc, char_table[i], char_table[i], abc + i);
                 n = char_table_entries;
             }
             ml = abc[0].abcA;
             mr = abc[0].abcC;
             for (int i = 1; i < n; i++) {
                 if (abc[i].abcA + abc[i].abcB + abc[i].abcC != 0) {
                     ml = qMin(ml,abc[i].abcA);
                     mr = qMin(mr,abc[i].abcC);
                 }
             }
             delete [] abc;
         } else {
             ABCFLOAT *abc = 0;
             int n = tm.tmLastChar - tm.tmFirstChar+1;
             if (n <= max_font_count) {
                 abc = new ABCFLOAT[n];
                 GetCharABCWidthsFloat(hdc, tm.tmFirstChar, tm.tmLastChar, abc);
             } else {
                 abc = new ABCFLOAT[char_table_entries];
                 for(int i = 0; i < char_table_entries; i++)
                     GetCharABCWidthsFloat(hdc, char_table[i], char_table[i], abc+i);
                 n = char_table_entries;
             }
             float fml = abc[0].abcfA;
             float fmr = abc[0].abcfC;
             for (int i=1; i<n; i++) {
                 if (abc[i].abcfA + abc[i].abcfB + abc[i].abcfC != 0) {
                     fml = qMin(fml,abc[i].abcfA);
                     fmr = qMin(fmr,abc[i].abcfC);
                 }
             }
             ml = int(fml - 0.9999);
             mr = int(fmr - 0.9999);
             delete [] abc;
         }
         lbearing = ml;
         rbearing = mr;
     }
 
     return rbearing;
 #endif
 }

◆ name()

const char * QFontEngineWin::name ( ) const

virtual

Implements QFontEngine.

Definition at line 786 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     return 0;
 }

◆ properties()

QFontEngine::Properties QFontEngineWin::properties ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 1028 of file qfontengine_win.cpp.

 {
     LOGFONT lf = logfont;
     lf.lfHeight = unitsPerEm;
     HFONT hf = CreateFontIndirect(&lf);
     HDC hdc = shared_dc();
     HGDIOBJ oldfont = SelectObject(hdc, hf);
     OUTLINETEXTMETRIC *otm = getOutlineTextMetric(hdc);
     Properties p;
     p.emSquare = unitsPerEm;
     p.italicAngle = otm->otmItalicAngle;
     p.postscriptName = QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpFamilyName)).toLatin1();
     p.postscriptName += QString::fromWCharArray((wchar_t *)((char *)otm + (quintptr)otm->otmpStyleName)).toLatin1();
     p.postscriptName = QFontEngine::convertToPostscriptFontFamilyName(p.postscriptName);
     p.boundingBox = QRectF(otm->otmrcFontBox.left, -otm->otmrcFontBox.top,
                            otm->otmrcFontBox.right - otm->otmrcFontBox.left,
                            otm->otmrcFontBox.top - otm->otmrcFontBox.bottom);
     p.ascent = otm->otmAscent;
     p.descent = -otm->otmDescent;
     p.leading = (int)otm->otmLineGap;
     p.capHeight = 0;
     p.lineWidth = otm->otmsUnderscoreSize;
     free(otm);
     DeleteObject(SelectObject(hdc, oldfont));
     return p;
 }

◆ recalcAdvances()

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

virtual

This is a callback from harfbuzz. The font engine uses the font-system in use to find out the advances of each glyph and set it on the layout.

Reimplemented from QFontEngine.

Definition at line 406 of file qfontengine_win.cpp.

 {
     HGDIOBJ oldFont = 0;
     HDC hdc = shared_dc();
     if (ttf && (flags & QTextEngine::DesignMetrics)) {
         for(int i = 0; i < glyphs->numGlyphs; i++) {
             unsigned int glyph = glyphs->glyphs[i];
             if(int(glyph) >= designAdvancesSize) {
                 int newSize = (glyph + 256) >> 8 << 8;
                 designAdvances = q_check_ptr((QFixed *)realloc(designAdvances,
                             newSize*sizeof(QFixed)));
                 for(int i = designAdvancesSize; i < newSize; ++i)
                     designAdvances[i] = -1000000;
                 designAdvancesSize = newSize;
             }
             if (designAdvances[glyph] < -999999) {
                 if (!oldFont)
                     oldFont = selectDesignFont();
 
                 int width = 0;
                 calculateTTFGlyphWidth(hdc, glyph, width);
                 designAdvances[glyph] = QFixed(width) / designToDevice;
             }
             glyphs->advances_x[i] = designAdvances[glyph];
             glyphs->advances_y[i] = 0;
         }
         if(oldFont)
             DeleteObject(SelectObject(hdc, oldFont));
     } else {
         for(int i = 0; i < glyphs->numGlyphs; i++) {
             unsigned int glyph = glyphs->glyphs[i];
 
             glyphs->advances_y[i] = 0;
 
             if (glyph >= widthCacheSize) {
                 int newSize = (glyph + 256) >> 8 << 8;
                 widthCache = q_check_ptr((unsigned char *)realloc(widthCache,
                             newSize*sizeof(QFixed)));
                 memset(widthCache + widthCacheSize, 0, newSize - widthCacheSize);
                 widthCacheSize = newSize;
             }
             glyphs->advances_x[i] = widthCache[glyph];
             // font-width cache failed
             if (glyphs->advances_x[i] == 0) {
                 int width = 0;
                 if (!oldFont)
                     oldFont = SelectObject(hdc, hfont);
 
                 if (!ttf) {
                     QChar ch[2] = { ushort(glyph), 0 };
                     int chrLen = 1;
                     if (glyph > 0xffff) {
                         ch[0] = QChar::highSurrogate(glyph);
                         ch[1] = QChar::lowSurrogate(glyph);
                         ++chrLen;
                     }
                     SIZE size = {0, 0};
                     GetTextExtentPoint32(hdc, (wchar_t *)ch, chrLen, &size);
                     width = size.cx;
                 } else {
                     calculateTTFGlyphWidth(hdc, glyph, width);
                 }
                 glyphs->advances_x[i] = width;
                 // if glyph's within cache range, store it for later
                 if (width > 0 && width < 0x100)
                     widthCache[glyph] = width;
             }
         }
 
         if (oldFont)
             SelectObject(hdc, oldFont);
     }
 }

◆ selectDesignFont()

HGDIOBJ QFontEngineWin::selectDesignFont ( ) const

Definition at line 372 of file qfontengine_win.cpp.

 {
     LOGFONT f = logfont;
     f.lfHeight = unitsPerEm;
     HFONT designFont = CreateFontIndirect(&f);
     return SelectObject(shared_dc(), designFont);
 }

◆ stringToCMap()

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

virtual

Implements QFontEngine.

Definition at line 380 of file qfontengine_win.cpp.

 {
     if (*nglyphs < len) {
         *nglyphs = len;
         return false;
     }
 
     *nglyphs = getGlyphIndexes(str, len, glyphs, flags & QTextEngine::RightToLeft);
 
     if (flags & QTextEngine::GlyphIndicesOnly)
         return true;
 
     recalcAdvances(glyphs, flags);
     return true;
 }

◆ synthesized()

int QFontEngineWin::synthesized ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 999 of file qfontengine_win.cpp.

 {
     if(synthesized_flags == -1) {
         synthesized_flags = 0;
         if(ttf) {
             const DWORD HEAD = MAKE_TAG('h', 'e', 'a', 'd');
             HDC hdc = shared_dc();
             SelectObject(hdc, hfont);
             uchar data[4];
             GetFontData(hdc, HEAD, 44, &data, 4);
             USHORT macStyle = getUShort(data);
             if (tm.tmItalic && !(macStyle & 2))
                 synthesized_flags = SynthesizedItalic;
             if (fontDef.stretch != 100 && ttf)
                 synthesized_flags |= SynthesizedStretch;
             if (tm.tmWeight >= 500 && !(macStyle & 1))
                 synthesized_flags |= SynthesizedBold;
             //qDebug() << "font is" << _name <<
             //    "it=" << (macStyle & 2) << fontDef.style << "flags=" << synthesized_flags;
         }
     }
     return synthesized_flags;
 }

◆ type()

QFontEngine::Type QFontEngineWin::type ( ) const

virtual

Implements QFontEngine.

Definition at line 820 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     return QFontEngine::Win;
 }

◆ xHeight()

QFixed QFontEngineWin::xHeight ( ) const

virtual

Reimplemented from QFontEngine.

Definition at line 614 of file qfontengine_win.cpp.

Referenced by boundingBox().

 {
     if(x_height >= 0)
         return x_height;
     return QFontEngine::xHeight();
 }

Properties

◆ _faceId

FaceId QFontEngineWin::_faceId

Definition at line 138 of file qfontengine_win_p.h.

◆ _name

QString QFontEngineWin::_name

Definition at line 122 of file qfontengine_win_p.h.

◆ cmap

const unsigned char* QFontEngineWin::cmap

Definition at line 131 of file qfontengine_win_p.h.

◆ cmapTable

QByteArray QFontEngineWin::cmapTable

Definition at line 132 of file qfontengine_win_p.h.

◆ designAdvances

QFixed* QFontEngineWin::designAdvances

mutable

Definition at line 144 of file qfontengine_win_p.h.

◆ designAdvancesSize

int QFontEngineWin::designAdvancesSize

mutable

Definition at line 145 of file qfontengine_win_p.h.

◆ designToDevice

QFixed QFontEngineWin::designToDevice

Definition at line 135 of file qfontengine_win_p.h.

◆ hasOutline

uint QFontEngineWin::hasOutline

Definition at line 128 of file qfontengine_win_p.h.

◆ hfont

HFONT QFontEngineWin::hfont

Definition at line 124 of file qfontengine_win_p.h.

Referenced by draw_text_item_win(), QWin32PrintEngine::drawTextItem(), and initFontInfo().

◆ lbearing

qreal QFontEngineWin::lbearing

mutable

Definition at line 133 of file qfontengine_win_p.h.

◆ lineWidth

QFixed QFontEngineWin::lineWidth

mutable

Definition at line 141 of file qfontengine_win_p.h.

◆ logfont

LOGFONT QFontEngineWin::logfont

Definition at line 125 of file qfontengine_win_p.h.

Referenced by QWin32PrintEngine::drawTextItem().

◆ lw

int QFontEngineWin::lw

Definition at line 130 of file qfontengine_win_p.h.

◆ rbearing

qreal QFontEngineWin::rbearing

mutable

Definition at line 134 of file qfontengine_win_p.h.

◆ stockFont

uint QFontEngineWin::stockFont

Definition at line 126 of file qfontengine_win_p.h.

◆ synthesized_flags

int QFontEngineWin::synthesized_flags

mutable

Definition at line 140 of file qfontengine_win_p.h.

◆ tm

TEXTMETRIC QFontEngineWin::tm

Definition at line 129 of file qfontengine_win_p.h.

Referenced by QPdfEnginePrivate::drawTextItem(), QPdfBaseEnginePrivate::drawTextItem(), and initFontInfo().

◆ ttf

uint QFontEngineWin::ttf

Definition at line 127 of file qfontengine_win_p.h.

Referenced by draw_text_item_win().

◆ uniqueFamilyName

QString QFontEngineWin::uniqueFamilyName

Definition at line 123 of file qfontengine_win_p.h.

◆ unitsPerEm

int QFontEngineWin::unitsPerEm

Definition at line 136 of file qfontengine_win_p.h.

◆ widthCache

unsigned char* QFontEngineWin::widthCache

mutable

Definition at line 142 of file qfontengine_win_p.h.

◆ widthCacheSize

uint QFontEngineWin::widthCacheSize

mutable

Definition at line 143 of file qfontengine_win_p.h.

◆ x_height

QFixed QFontEngineWin::x_height

Definition at line 137 of file qfontengine_win_p.h.

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

/src/gui/text/qfontengine_win_p.h
/src/gui/text/qfontengine_win.cpp

Public Functions

Public Variables

Private Functions

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QFontEngineWin()

◆ ~QFontEngineWin()

Functions

◆ addGlyphsToPath()

◆ addOutlineToPath()

◆ alphaMapForGlyph() [1/2]

◆ alphaMapForGlyph() [2/2]

◆ alphaRGBMapForGlyph()

◆ ascent()

◆ averageCharWidth()

◆ boundingBox() [1/3]

◆ boundingBox() [2/3]

◆ boundingBox() [3/3]

◆ canRender()

◆ cloneWithSize()

◆ descent()

◆ drawGDIGlyph()

◆ emSquareSize()

◆ faceId()

◆ getCMap()

◆ getGlyphBearings()

◆ getGlyphIndexes()

◆ getSfntTableData()

◆ getUnscaledGlyph()

◆ leading()

◆ lineThickness()

◆ maxCharWidth()

◆ minLeftBearing()

◆ minRightBearing()

◆ name()

◆ properties()

◆ recalcAdvances()

◆ selectDesignFont()

◆ stringToCMap()

◆ synthesized()

◆ type()

◆ xHeight()

Properties

◆ _faceId

◆ _name

◆ cmap

◆ cmapTable

◆ designAdvances

◆ designAdvancesSize

◆ designToDevice

◆ hasOutline

◆ hfont

◆ lbearing

◆ lineWidth

◆ logfont

◆ lw

◆ rbearing

◆ stockFont

◆ synthesized_flags

◆ tm

◆ ttf

◆ uniqueFamilyName

◆ unitsPerEm

◆ widthCache

◆ widthCacheSize

◆ x_height