qfontengine.cpp File Reference

#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 <qmath.h>
#include <qendian.h>
#include <private/qstringiterator_p.h>
#include <algorithm>
#include <limits.h>

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Macros
#define	kBearingNotInitialized   std::numeric_limits<qreal>::max()
#define	q16Dot16ToFloat(i)   ((i) / 65536.0)
#define	kMinLeftSideBearingOffset   12
#define	kMinRightSideBearingOffset   14
#define	GRID(x, y)   grid[(y)*(w+1) + (x)]
#define	SET(x, y)   (*(image_data + (y)*bpl + ((x) >> 3)) & (0x80 >> ((x) & 7)))

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

Functions
static QT_BEGIN_NAMESPACE 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, QChar::Script script)

Macro Definition Documentation

GRID

#define GRID	(		x,
			y
	)		grid[(y)*(w+1) + (x)]

Definition at line 622 of file qfontengine.cpp.

kBearingNotInitialized

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

Definition at line 98 of file qfontengine.cpp.

kMinLeftSideBearingOffset

#define kMinLeftSideBearingOffset   12

Definition at line 500 of file qfontengine.cpp.

kMinRightSideBearingOffset

#define kMinRightSideBearingOffset   14

Definition at line 501 of file qfontengine.cpp.

q16Dot16ToFloat

#define q16Dot16ToFloat

(

i

)

((i) / 65536.0)

Definition at line 498 of file qfontengine.cpp.

SET

#define SET	(		x,
			y
	)		(*(image_data + (y)*bpl + ((x) >> 3)) & (0x80 >> ((x) & 7)))

Definition at line 623 of file qfontengine.cpp.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
EdgeRight
EdgeDown
EdgeLeft
EdgeUp

Definition at line 625 of file qfontengine.cpp.

Function Documentation

collectSingleContour()

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

static

Definition at line 631 of file qfontengine.cpp.

References EdgeDown, EdgeLeft, EdgeRight, EdgeUp, GRID, Q_ASSERT, and Q_UNUSED.

Referenced by qt_addBitmapToPath().

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kerning()

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

inlinestatic

Definition at line 1008 of file qfontengine.cpp.

References QFontEngine::KernPair::adjust.

Referenced by CPP::FontHandle::compare(), and QFontEngine::doKerning().

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qSafeFromBigEndian()

template<typename T >

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

inlinestatic

Definition at line 48 of file qfontengine.cpp.

References output.

Referenced by QFontEngine::getCMap(), QFontEngine::getTrueTypeGlyphIndex(), QFontEngine::glyphCount(), and QFontEngine::loadKerningPairs().

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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 677 of file qfontengine.cpp.

References collectSingleContour(), EdgeDown, EdgeLeft, EdgeRight, EdgeUp, GRID, and SET.

Referenced by QFontEngine::addBitmapFontToPath(), and QFreetypeFace::addBitmapToPath().

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qt_fallbacksForFamily()

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

Definition at line 695 of file qfontdatabase.cpp.

qt_get_font_table_default()

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

static

Definition at line 68 of file qfontengine.cpp.

References QFontEngine::getSfntTableData(), tag, and user_data.

Referenced by QFontEngine::QFontEngine().

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qtransform_equals_no_translate()

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

inlinestatic

Definition at line 30 of file qfontengine.cpp.

References Q_ASSERT, QTransform::TxProject, and QTransform::TxTranslate.

Referenced by QFontEngine::glyphCache().

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stripped()

static glyph_t stripped ( glyph_t  glyph )

inlinestatic

Definition at line 1688 of file qfontengine.cpp.

Referenced by QFontEngineMulti::addOutlineToPath(), QFontEngineMulti::alphaMapForGlyph(), QFontEngineMulti::alphaMapForGlyph(), QFontEngineMulti::alphaMapForGlyph(), QFontEngineMulti::alphaMapForGlyph(), QFontEngineMulti::alphaRGBMapForGlyph(), QFontEngineMulti::boundingBox(), QFontEngineMulti::boundingBox(), QFontEngineMulti::doKerning(), QFontEngineMulti::getGlyphBearings(), Scanner::process(), QFontEngineMulti::recalcAdvances(), and QCocoaMenu::setText().

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