qfontengine.cpp File Reference

(1593b1f6d610ce9bdb9dff4104f7f447e03a9585)

#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>

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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 625 of file qfontengine.cpp.

Referenced by collectSingleContour(), and qt_addBitmapToPath().

kBearingNotInitialized

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

Definition at line 99 of file qfontengine.cpp.

Referenced by QFontEngine::minLeftBearing(), and QFontEngine::minRightBearing().

kMinLeftSideBearingOffset

#define kMinLeftSideBearingOffset   12

Definition at line 503 of file qfontengine.cpp.

Referenced by QFontEngine::minRightBearing().

kMinRightSideBearingOffset

#define kMinRightSideBearingOffset   14

Definition at line 504 of file qfontengine.cpp.

Referenced by QFontEngine::minRightBearing().

q16Dot16ToFloat

#define q16Dot16ToFloat

(

i

)

((i) / 65536.0)

Definition at line 501 of file qfontengine.cpp.

Referenced by QFontEngine::minRightBearing().

SET

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

Definition at line 626 of file qfontengine.cpp.

Referenced by qt_addBitmapToPath().

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
EdgeRight
EdgeDown
EdgeLeft
EdgeUp

Definition at line 628 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 634 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 1011 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 49 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 680 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 696 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 69 of file qfontengine.cpp.

References 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 31 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 1692 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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