qfontengine_ft.cpp File Reference

#include "qdir.h"
#include "qmetatype.h"
#include "qtextstream.h"
#include "qvariant.h"
#include "qfontengine_ft_p.h"
#include "private/qimage_p.h"
#include <private/qstringiterator_p.h>
#include <qguiapplication.h>
#include <qscreen.h>
#include <qpa/qplatformscreen.h>
#include <QtCore/QUuid>
#include <QtGui/QPainterPath>
#include "qfile.h"
#include "qfileinfo.h"
#include <qscopedvaluerollback.h>
#include "qthreadstorage.h"
#include <qmath.h>
#include <qendian.h>
#include <memory>
#include <ft2build.h>

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Classes
class	QtFreetypeData
struct	QtFreetypeData::FaceStyle

Macros
#define	QT_MAX_CACHED_GLYPH_SIZE   64
#define	FLOOR(x)   ((x) & -64)
#define	CEIL(x)   (((x)+63) & -64)
#define	TRUNC(x)   ((x) >> 6)
#define	ROUND(x)   (((x)+32) & -64)
#define	GLYPH2PATH_DEBUG   QT_NO_QDEBUG_MACRO

Functions
static bool	ft_getSfntTable (void *user_data, uint tag, uchar *buffer, uint *length)
bool	operator== (const QtFreetypeData::FaceStyle &style1, const QtFreetypeData::FaceStyle &style2)
size_t	qHash (const QtFreetypeData::FaceStyle &style, size_t seed)
QtFreetypeData *	qt_getFreetypeData ()
FT_Library	qt_getFreetype ()
QByteArray	qt_fontdata_from_index (int)
static int	computeFaceIndex (const QString &faceFileName, const QString &styleName)
static void	scaleOutline (FT_Face face, FT_GlyphSlot g, FT_Fixed x_scale, FT_Fixed y_scale)
void	qt_addBitmapToPath (qreal x0, qreal y0, const uchar *image_data, int bpl, int w, int h, QPainterPath *path)
static void	convertRGBToARGB (const uchar *src, uint *dst, int width, int height, int src_pitch, bool bgr)
static void	convertRGBToARGB_V (const uchar *src, uint *dst, int width, int height, int src_pitch, bool bgr)
static QFontEngine::SubpixelAntialiasingType	subpixelAntialiasingTypeHint ()
static void	dont_delete (void *)
static bool	areMetricsTooLarge (const QFontEngineFT::GlyphInfo &info)
static void	transformBoundingBox (int *left, int *top, int *right, int *bottom, FT_Matrix *matrix)
static FT_Matrix	QTransformToFTMatrix (const QTransform &matrix)
static QImage	alphaMapFromGlyphData (QFontEngineFT::Glyph *glyph, QFontEngine::GlyphFormat glyphFormat)
static bool	is2dRotation (const QTransform &t)

Variables
static QFontEngineFT::Glyph	emptyGlyph
static const QFontEngine::HintStyle	ftInitialDefaultHintStyle

Macro Definition Documentation

CEIL

#define CEIL

(

x

)

(((x)+63) & -64)

Definition at line 59 of file qfontengine_ft.cpp.

FLOOR

#define FLOOR

(

x

)

((x) & -64)

Definition at line 58 of file qfontengine_ft.cpp.

GLYPH2PATH_DEBUG

#define GLYPH2PATH_DEBUG   QT_NO_QDEBUG_MACRO

Definition at line 484 of file qfontengine_ft.cpp.

QT_MAX_CACHED_GLYPH_SIZE

#define QT_MAX_CACHED_GLYPH_SIZE   64

Definition at line 51 of file qfontengine_ft.cpp.

ROUND

#define ROUND

(

x

)

(((x)+32) & -64)

Definition at line 61 of file qfontengine_ft.cpp.

TRUNC

#define TRUNC

(

x

)

((x) >> 6)

Definition at line 60 of file qfontengine_ft.cpp.

Function Documentation

alphaMapFromGlyphData()

static QImage alphaMapFromGlyphData ( QFontEngineFT::Glyph *  glyph, QFontEngine::GlyphFormat  glyphFormat  )

inlinestatic

Definition at line 1866 of file qfontengine_ft.cpp.

References QFontEngine::Glyph::data, QFontEngine::Format_A32, QFontEngine::Format_A8, QImage::Format_Alpha8, QImage::Format_Invalid, QImage::Format_Mono, QFontEngine::Format_Mono, QImage::Format_RGB32, QFontEngine::Glyph::height, Qt::white, and QFontEngine::Glyph::width.

Referenced by QFontEngineFT::alphaMapForGlyph(), and QFontEngineFT::alphaRGBMapForGlyph().

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areMetricsTooLarge()

static bool areMetricsTooLarge ( const QFontEngineFT::GlyphInfo &  info )

inlinestatic

Definition at line 941 of file qfontengine_ft.cpp.

References info.

Referenced by QFontEngineFT::loadGlyph().

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computeFaceIndex()

static int computeFaceIndex ( const QString &  faceFileName, const QString &  styleName  )

static

Definition at line 326 of file qfontengine_ft.cpp.

References QByteArray::constData(), error, QString::fromLatin1(), Qt::hex(), qDebug, qt_getFreetype(), and QString::toUtf8().

Referenced by QFreetypeFace::getFaceIndexByStyleName().

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convertRGBToARGB()

static void convertRGBToARGB ( const uchar *  src, uint *  dst, int  width, int  height, int  src_pitch, bool  bgr  )

inlinestatic

Definition at line 590 of file qfontengine_ft.cpp.

References red.

Referenced by QFontEngineFT::loadGlyph().

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convertRGBToARGB_V()

static void convertRGBToARGB_V ( const uchar *  src, uint *  dst, int  width, int  height, int  src_pitch, bool  bgr  )

inlinestatic

Definition at line 607 of file qfontengine_ft.cpp.

References red.

Referenced by QFontEngineFT::loadGlyph().

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dont_delete()

static void dont_delete ( void *  )

static

Definition at line 748 of file qfontengine_ft.cpp.

Referenced by QFontEngineFT::init().

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ft_getSfntTable()

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

static

Definition at line 63 of file qfontengine_ft.cpp.

References Q_ASSERT, tag, and user_data.

Referenced by QFreetypeFace::getSfntTable(), QFontEngineFT::getSfntTableData(), and QFontEngineFT::init().

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is2dRotation()

static bool is2dRotation ( const QTransform &  t )

inlinestatic

Definition at line 1917 of file qfontengine_ft.cpp.

References qFuzzyCompare().

Referenced by QFontEngineFT::loadGlyphFor().

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operator==()

bool operator== ( const QtFreetypeData::FaceStyle &  style1, const QtFreetypeData::FaceStyle &  style2  )

inline

Definition at line 121 of file qfontengine_ft.cpp.

References QtFreetypeData::FaceStyle::faceFileName, and QtFreetypeData::FaceStyle::styleName.

qHash()

size_t qHash ( const QtFreetypeData::FaceStyle &  style, size_t  seed  )

inline

Definition at line 126 of file qfontengine_ft.cpp.

References QtFreetypeData::FaceStyle::faceFileName, qHashMulti(), seed, and QtFreetypeData::FaceStyle::styleName.

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qt_addBitmapToPath()

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_fontdata_from_index()

QByteArray qt_fontdata_from_index

(

int

index

)

Definition at line 2152 of file qfontdatabase.cpp.

References QFontDatabasePrivate::applicationFonts, and QFontDatabasePrivate::instance().

Referenced by QFreetypeFace::getFace().

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qt_getFreetype()

FT_Library qt_getFreetype

(

)

Definition at line 149 of file qfontengine_ft.cpp.

References QtFreetypeData::library, Q_ASSERT, and qt_getFreetypeData().

Referenced by QFreeTypeFontDatabase::addTTFile(), computeFaceIndex(), QFontEngineFT::init(), and queryFont().

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qt_getFreetypeData()

QtFreetypeData * qt_getFreetypeData

(

)

Definition at line 133 of file qfontengine_ft.cpp.

References QtFreetypeData::library.

Referenced by QFreetypeFace::getFace(), QFreetypeFace::getFaceIndexByStyleName(), qt_getFreetype(), and QFreetypeFace::release().

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QTransformToFTMatrix()

static FT_Matrix QTransformToFTMatrix ( const QTransform &  matrix )

inlinestatic

Definition at line 1380 of file qfontengine_ft.cpp.

Referenced by QFontEngineFT::loadGlyphFor().

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scaleOutline()

static void scaleOutline ( FT_Face  face, FT_GlyphSlot  g, FT_Fixed  x_scale, FT_Fixed  y_scale  )

static

Definition at line 471 of file qfontengine_ft.cpp.

References e.

Referenced by QFreetypeFace::addGlyphToPath().

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subpixelAntialiasingTypeHint()

static QFontEngine::SubpixelAntialiasingType subpixelAntialiasingTypeHint ( )

static

Definition at line 621 of file qfontengine_ft.cpp.

References QScreen::handle(), QGuiApplication::primaryScreen, screen, and QPlatformScreen::subpixelAntialiasingTypeHint().

Referenced by QFontEngineFT::create().

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transformBoundingBox()

static void transformBoundingBox ( int *  left, int *  top, int *  right, int *  bottom, FT_Matrix *  matrix  )

inlinestatic

Definition at line 947 of file qfontengine_ft.cpp.

References vector.

Referenced by QFontEngineFT::loadGlyph().

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Variable Documentation

emptyGlyph

QFontEngineFT::Glyph emptyGlyph

static

Definition at line 78 of file qfontengine_ft.cpp.

Referenced by QFontEngineFT::alphaMapBoundingBox(), QFontEngineFT::alphaMapForGlyph(), QFontEngineFT::alphaRGBMapForGlyph(), QFontEngineFT::bitmapForGlyph(), QFontEngineFT::boundingBox(), QFontEngineFT::boundingBox(), QFontEngineFT::loadGlyph(), and QFontEngineFT::recalcAdvances().

ftInitialDefaultHintStyle

const QFontEngine::HintStyle ftInitialDefaultHintStyle

static

Initial value:

=
 
 
 
    QFontEngineFT::HintNone

Definition at line 80 of file qfontengine_ft.cpp.

Referenced by QFontEngineFT::QFontEngineFT(), and QFontEngineFT::setQtDefaultHintStyle().