qfontengine.cpp File Reference

(6fc0f4ccb4a90a29c2af89ffd127ec38fd4e7ac9)

#include <qdebug.h>
#include <private/qfontengine_p.h>
#include <private/qfontengineglyphcache_p.h>
#include <private/qguiapplication_p.h>
#include <qpa/qplatformfontdatabase.h>
#include <qpa/qplatformintegration.h>
#include "qbitmap.h"
#include "qpainter.h"
#include "qpainterpath.h"
#include "qvarlengtharray.h"
#include "qtextengine_p.h"
#include <qmath.h>
#include <qendian.h>
#include <private/qstringiterator_p.h>
#include <algorithm>
#include <limits.h>

Include dependency graph for qfontengine.cpp:

Go to the source code of this file.

Macros
#define	kBearingNotInitialized   std::numeric_limits<qreal>::max()
#define	q16Dot16ToFloat(i)
#define	kMinLeftSideBearingOffset   12
#define	kMinRightSideBearingOffset   14
#define	GRID(x, y)
#define	SET(x, y)

Enumerations
enum	{   EdgeRight = 0x1 , EdgeDown = 0x2 , EdgeLeft = 0x4 , EdgeUp = 0x8 ,   EdgeRight = 0x1 , EdgeDown = 0x2 , EdgeLeft = 0x4 , EdgeUp = 0x8 }
enum	{   EdgeRight = 0x1 , EdgeDown = 0x2 , EdgeLeft = 0x4 , EdgeUp = 0x8 ,   EdgeRight = 0x1 , EdgeDown = 0x2 , EdgeLeft = 0x4 , EdgeUp = 0x8 }

Functions
static bool	qtransform_equals_no_translate (const QTransform &a, const QTransform &b)
template<typename T>
static bool	qSafeFromBigEndian (const uchar *source, const uchar *end, T *output)
static bool	qt_get_font_table_default (void *user_data, uint tag, uchar *buffer, uint *length)
static void	collectSingleContour (qreal x0, qreal y0, uint *grid, int x, int y, int w, int h, QPainterPath *path)
Q_GUI_EXPORT void	qt_addBitmapToPath (qreal x0, qreal y0, const uchar *image_data, int bpl, int w, int h, QPainterPath *path)
static QFixed	kerning (int left, int right, const QFontEngine::KernPair *pairs, int numPairs)
static glyph_t	stripped (glyph_t glyph)
QStringList	qt_fallbacksForFamily (const QString &family, QFont::Style style, QFont::StyleHint styleHint, QFontDatabasePrivate::ExtendedScript script)

Macro Definition Documentation

GRID

#define GRID	(		x,
			y )

Value:

grid[(y)*(w+1) + (x)]

Definition at line 661 of file qfontengine.cpp.

kBearingNotInitialized

#define kBearingNotInitialized   std::numeric_limits<qreal>::max()

Definition at line 104 of file qfontengine.cpp.

kMinLeftSideBearingOffset

#define kMinLeftSideBearingOffset   12

Definition at line 539 of file qfontengine.cpp.

kMinRightSideBearingOffset

#define kMinRightSideBearingOffset   14

Definition at line 540 of file qfontengine.cpp.

q16Dot16ToFloat

#define q16Dot16ToFloat

(

i

)

Value:

((i) / 65536.0)

Definition at line 537 of file qfontengine.cpp.

SET

#define SET	(		x,
			y )

Value:

(*(image_data + (y)*bpl + ((x) >> 3)) & (0x80 >> ((x) & 7)))

Definition at line 662 of file qfontengine.cpp.

Enumeration Type Documentation

anonymous enum [1/2]

anonymous enum

Enumerator
EdgeRight
EdgeDown
EdgeLeft
EdgeUp
EdgeRight
EdgeDown
EdgeLeft
EdgeUp

Definition at line 664 of file qfontengine.cpp.

anonymous enum [2/2]

anonymous enum

Enumerator
EdgeRight
EdgeDown
EdgeLeft
EdgeUp
EdgeRight
EdgeDown
EdgeLeft
EdgeUp

Definition at line 664 of file qfontengine.cpp.

Function Documentation

collectSingleContour()

void collectSingleContour ( qreal x0, qreal y0, uint * grid, int x, int y, int w, int h, QPainterPath * path )

static

Definition at line 670 of file qfontengine.cpp.

References EdgeDown, EdgeLeft, EdgeRight, and EdgeUp.

kerning()

QFixed kerning ( int left, int right, const QFontEngine::KernPair * pairs, int numPairs )

inlinestatic

Definition at line 1139 of file qfontengine.cpp.

qSafeFromBigEndian()

template<typename T>

bool qSafeFromBigEndian ( const uchar * source, const uchar * end, T * output )

inlinestatic

Definition at line 54 of file qfontengine.cpp.

qt_addBitmapToPath()

Q_GUI_EXPORT void qt_addBitmapToPath	(	qreal	x0,
		qreal	y0,
		const uchar *	image_data,
		int	bpl,
		int	w,
		int	h,
		QPainterPath *	path )

Definition at line 716 of file qfontengine.cpp.

References EdgeDown, EdgeLeft, EdgeRight, and EdgeUp.

qt_fallbacksForFamily()

QStringList qt_fallbacksForFamily	(	const QString &	family,
		QFont::Style	style,
		QFont::StyleHint	styleHint,
		QFontDatabasePrivate::ExtendedScript	script )

Definition at line 716 of file qfontdatabase.cpp.

qt_get_font_table_default()

bool qt_get_font_table_default ( void * user_data, uint tag, uchar * buffer, uint * length )

static

Definition at line 74 of file qfontengine.cpp.

References QPainter::QFontEngine.

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qtransform_equals_no_translate()

bool qtransform_equals_no_translate ( const QTransform & a, const QTransform & b )

inlinestatic

Definition at line 36 of file qfontengine.cpp.

stripped()

glyph_t stripped ( glyph_t glyph )

inlinestatic

Definition at line 1834 of file qfontengine.cpp.