#include "qdistancefield_p.h"
#include <qmath.h>
#include <private/qdatabuffer_p.h>
#include <private/qimage_p.h>
#include <private/qpathsimplifier_p.h>

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Functions
	Q_LOGGING_CATEGORY (lcDistanceField, "qt.distanceField")

template<FillClip clip, FillHDir dir>
void	fillLine (qint32 *, int, int, int, qint32, qint32)

template<>
void	fillLine< Clip, LeftToRight > (qint32 *line, int width, int lx, int rx, qint32 d, qint32 dd)

template<>
void	fillLine< Clip, RightToLeft > (qint32 *line, int width, int lx, int rx, qint32 d, qint32 dd)

template<>
void	fillLine< NoClip, LeftToRight > (qint32 *line, int, int lx, int rx, qint32 d, qint32 dd)

template<>
void	fillLine< NoClip, RightToLeft > (qint32 *line, int, int lx, int rx, qint32 d, qint32 dd)

template<FillClip clip, FillVDir vDir, FillHDir hDir>
void	fillLines (qint32 *bits, int width, int height, int upperY, int lowerY, int &lx, int ldx, int &rx, int rdx, qint32 &d, qint32 ddy, qint32 ddx)

template<FillClip clip>
void	drawTriangle (qint32 bits, int width, int height, const QPoint center, const QPoint v1, const QPoint v2, qint32 value)

template<FillClip clip>
void	drawRectangle (qint32 bits, int width, int height, const QPoint int1, const QPoint center1, const QPoint ext1, const QPoint int2, const QPoint center2, const QPoint *ext2, qint32 extValue)

static void	drawPolygons (qint32 bits, int width, int height, const QPoint vertices, const quint32 *indices, int indexCount, qint32 value)

static void	makeDistanceField (QDistanceFieldData *data, const QPainterPath &path, int dfScale, int offs)

static bool	imageHasNarrowOutlines (const QImage &im)

static void	initialDistanceFieldFactor ()

bool	qt_fontHasNarrowOutlines (QFontEngine *fontEngine)

bool	qt_fontHasNarrowOutlines (const QRawFont &f)

int	QT_DISTANCEFIELD_BASEFONTSIZE (bool narrowOutlineFont)

int	QT_DISTANCEFIELD_SCALE (bool narrowOutlineFont)

int	QT_DISTANCEFIELD_RADIUS (bool narrowOutlineFont)

int	QT_DISTANCEFIELD_HIGHGLYPHCOUNT ()

Variables
static int	QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE = 54

static int	QT_DISTANCEFIELD_DEFAULT_SCALE = 16

static int	QT_DISTANCEFIELD_DEFAULT_RADIUS = 80

static int	QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT = 2000

Function Documentation

◆ drawPolygons()

static void drawPolygons	(	qint32 *	bits,
		int	width,
		int	height,
		const QPoint *	vertices,
		const quint32 *	indices,
		int	indexCount,
		qint32	value
	)

static

Definition at line 401 of file qdistancefield.cpp.

References QVarLengthArray< T, Prealloc >::append(), QVarLengthArray< T, Prealloc >::data(), i, j, line, Q_ASSERT, qMax(), qMin(), qSwap(), and QVLABaseBase::size().

Referenced by makeDistanceField().

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◆ drawRectangle()

template<FillClip clip>

void drawRectangle	(	qint32 *	bits,
		int	width,
		int	height,
		const QPoint *	int1,
		const QPoint *	center1,
		const QPoint *	ext1,
		const QPoint *	int2,
		const QPoint *	center2,
		const QPoint *	ext2,
		qint32	extValue
	)

Definition at line 257 of file qdistancefield.cpp.

References d, Q_ASSERT, qBound(), qSwap(), QPoint::x(), and QPoint::y().

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◆ drawTriangle()

template<FillClip clip>

void drawTriangle	(	qint32 *	bits,
		int	width,
		int	height,
		const QPoint *	center,
		const QPoint *	v1,
		const QPoint *	v2,
		qint32	value
	)

Definition at line 139 of file qdistancefield.cpp.

References d1, d2, and qBound().

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◆ fillLine()

template<FillClip clip, FillHDir dir>

void fillLine	(	qint32 *	,
		int	,
		int	,
		int	,
		qint32	,
		qint32
	)

inline

Definition at line 38 of file qdistancefield.cpp.

◆ fillLine< Clip, LeftToRight >()

template<>

void fillLine< Clip, LeftToRight >	(	qint32 *	line,
		int	width,
		int	lx,
		int	rx,
		qint32	d,
		qint32	dd
	)

inline

Definition at line 43 of file qdistancefield.cpp.

References d, line, qMax(), qMin(), and rx().

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◆ fillLine< Clip, RightToLeft >()

template<>

void fillLine< Clip, RightToLeft >	(	qint32 *	line,
		int	width,
		int	lx,
		int	rx,
		qint32	d,
		qint32	dd
	)

inline

Definition at line 60 of file qdistancefield.cpp.

References d, line, qMax(), qMin(), and rx().

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◆ fillLine< NoClip, LeftToRight >()

template<>

void fillLine< NoClip, LeftToRight >	(	qint32 *	line,
		int	,
		int	lx,
		int	rx,
		qint32	d,
		qint32	dd
	)

inline

Definition at line 77 of file qdistancefield.cpp.

References d, line, and rx().

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◆ fillLine< NoClip, RightToLeft >()

template<>

void fillLine< NoClip, RightToLeft >	(	qint32 *	line,
		int	,
		int	lx,
		int	rx,
		qint32	d,
		qint32	dd
	)

inline

Definition at line 94 of file qdistancefield.cpp.

References d, line, and rx().

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◆ fillLines()

template<FillClip clip, FillVDir vDir, FillHDir hDir>

void fillLines	(	qint32 *	bits,
		int	width,
		int	height,
		int	upperY,
		int	lowerY,
		int &	lx,
		int	ldx,
		int &	rx,
		int	rdx,
		qint32 &	d,
		qint32	ddy,
		qint32	ddx
	)

inline

Definition at line 111 of file qdistancefield.cpp.

References d, line, Q_ASSERT, Q_UNUSED, and rx().

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◆ imageHasNarrowOutlines()

static bool imageHasNarrowOutlines ( const QImage & im )

static

Definition at line 664 of file qdistancefield.cpp.

References QImage::height(), QImage::isNull(), QImage::pixel(), qAlpha(), qMin(), and QImage::width().

Referenced by qt_fontHasNarrowOutlines(), and qt_fontHasNarrowOutlines().

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◆ initialDistanceFieldFactor()

static void initialDistanceFieldFactor ( )

static

Definition at line 712 of file qdistancefield.cpp.

References qCDebug, qDebug, qEnvironmentVariableIntValue(), qEnvironmentVariableIsSet(), QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE, QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT, QT_DISTANCEFIELD_DEFAULT_RADIUS, and QT_DISTANCEFIELD_DEFAULT_SCALE.

Referenced by QT_DISTANCEFIELD_BASEFONTSIZE(), QT_DISTANCEFIELD_HIGHGLYPHCOUNT(), QT_DISTANCEFIELD_RADIUS(), QT_DISTANCEFIELD_SCALE(), qt_fontHasNarrowOutlines(), and qt_fontHasNarrowOutlines().

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◆ makeDistanceField()

static void makeDistanceField	(	QDistanceFieldData *	data,
		const QPainterPath &	path,
		int	dfScale,
		int	offs
	)

static

Definition at line 457 of file qdistancefield.cpp.

References QVarLengthArray< T, Prealloc >::append(), QDataBuffer< Type >::at(), QVarLengthArray< T, Prealloc >::at(), QVarLengthArray< T, Prealloc >::clear(), QDataBuffer< Type >::data(), drawPolygons(), i, next, Q_ASSERT, qCos(), qDegreesToRadians(), qRound(), qSimplifyPath(), qSin(), qSqrt(), QVarLengthArray< T, Prealloc >::resize(), QPoint::rx(), QPoint::ry(), QDataBuffer< Type >::size(), QVLABaseBase::size(), QPoint::x(), and QPoint::y().

Referenced by QDistanceFieldData::create().

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◆ Q_LOGGING_CATEGORY()

Q_LOGGING_CATEGORY	(	lcDistanceField	,
		"qt.distanceField"
	)

◆ QT_DISTANCEFIELD_BASEFONTSIZE()

int QT_DISTANCEFIELD_BASEFONTSIZE ( bool narrowOutlineFont )

Definition at line 773 of file qdistancefield.cpp.

References initialDistanceFieldFactor(), Q_UNLIKELY, and QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE.

Referenced by QSGDistanceFieldGlyphCache::baseFontSize(), and QDistanceField::setGlyph().

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◆ QT_DISTANCEFIELD_HIGHGLYPHCOUNT()

int QT_DISTANCEFIELD_HIGHGLYPHCOUNT ( )

Definition at line 803 of file qdistancefield.cpp.

References initialDistanceFieldFactor(), and QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT.

Referenced by QSGDistanceFieldGlyphCache::QSGDistanceFieldGlyphCache(), and QSGRhiDistanceFieldGlyphCache::createFullSizeTextures().

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◆ QT_DISTANCEFIELD_RADIUS()

int QT_DISTANCEFIELD_RADIUS ( bool narrowOutlineFont )

Definition at line 793 of file qdistancefield.cpp.

References initialDistanceFieldFactor(), Q_UNLIKELY, and QT_DISTANCEFIELD_DEFAULT_RADIUS.

Referenced by QDistanceFieldData::create(), QSGDistanceFieldGlyphCache::distanceFieldRadius(), and QSGDistanceFieldGlyphCache::setGlyphsPosition().

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◆ QT_DISTANCEFIELD_SCALE()

int QT_DISTANCEFIELD_SCALE ( bool narrowOutlineFont )

Definition at line 783 of file qdistancefield.cpp.

References initialDistanceFieldFactor(), Q_UNLIKELY, and QT_DISTANCEFIELD_DEFAULT_SCALE.

Referenced by QSGDistanceFieldGlyphCache::QSGDistanceFieldGlyphCache(), QDistanceFieldData::create(), QSGDistanceFieldGlyphCache::distanceFieldRadius(), QSGDistanceFieldGlyphCache::glyphData(), QDistanceField::setGlyph(), and QSGDistanceFieldGlyphCache::setGlyphsPosition().

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◆ qt_fontHasNarrowOutlines() [1/2]

bool qt_fontHasNarrowOutlines ( const QRawFont & f )

Definition at line 757 of file qdistancefield.cpp.

References QList< T >::at(), font, imageHasNarrowOutlines(), initialDistanceFieldFactor(), QList< T >::isEmpty(), QRawFont::PixelAntialiasing, QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE, and QFont::setPixelSize().

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◆ qt_fontHasNarrowOutlines() [2/2]

bool qt_fontHasNarrowOutlines ( QFontEngine * fontEngine )

Definition at line 738 of file qdistancefield.cpp.

References QFontEngine::alphaMapForGlyph(), QFontEngine::cloneWithSize(), QFontEngine::glyphIndex(), imageHasNarrowOutlines(), initialDistanceFieldFactor(), QBasicAtomicInteger< T >::loadRelaxed(), Q_ASSERT, QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE, and QFontEngine::ref.

Referenced by QSGDistanceFieldGlyphCache::QSGDistanceFieldGlyphCache().

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Variable Documentation

◆ QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE

int QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE = 54

static

Definition at line 707 of file qdistancefield.cpp.

Referenced by initialDistanceFieldFactor(), QT_DISTANCEFIELD_BASEFONTSIZE(), qt_fontHasNarrowOutlines(), and qt_fontHasNarrowOutlines().

◆ QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT

int QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT = 2000

static

Definition at line 710 of file qdistancefield.cpp.

Referenced by initialDistanceFieldFactor(), and QT_DISTANCEFIELD_HIGHGLYPHCOUNT().

◆ QT_DISTANCEFIELD_DEFAULT_RADIUS

int QT_DISTANCEFIELD_DEFAULT_RADIUS = 80

static

Definition at line 709 of file qdistancefield.cpp.

Referenced by initialDistanceFieldFactor(), and QT_DISTANCEFIELD_RADIUS().

◆ QT_DISTANCEFIELD_DEFAULT_SCALE

int QT_DISTANCEFIELD_DEFAULT_SCALE = 16

static

Definition at line 708 of file qdistancefield.cpp.

Referenced by initialDistanceFieldFactor(), and QT_DISTANCEFIELD_SCALE().

Functions

Variables

Function Documentation

◆ drawPolygons()

◆ drawRectangle()

◆ drawTriangle()

◆ fillLine()

◆ fillLine< Clip, LeftToRight >()

◆ fillLine< Clip, RightToLeft >()

◆ fillLine< NoClip, LeftToRight >()

◆ fillLine< NoClip, RightToLeft >()

◆ fillLines()

◆ imageHasNarrowOutlines()

◆ initialDistanceFieldFactor()

◆ makeDistanceField()

◆ Q_LOGGING_CATEGORY()

◆ QT_DISTANCEFIELD_BASEFONTSIZE()

◆ QT_DISTANCEFIELD_HIGHGLYPHCOUNT()

◆ QT_DISTANCEFIELD_RADIUS()

◆ QT_DISTANCEFIELD_SCALE()

◆ qt_fontHasNarrowOutlines() [1/2]

◆ qt_fontHasNarrowOutlines() [2/2]

Variable Documentation

◆ QT_DISTANCEFIELD_DEFAULT_BASEFONTSIZE

◆ QT_DISTANCEFIELD_DEFAULT_HIGHGLYPHCOUNT

◆ QT_DISTANCEFIELD_DEFAULT_RADIUS

◆ QT_DISTANCEFIELD_DEFAULT_SCALE