#include <qtextureglyphcache_p.h>

Inheritance diagram for QTextureGlyphCache:

Collaboration diagram for QTextureGlyphCache:

Classes
struct	Coord

struct	GlyphAndSubPixelPosition

Public Member Functions
	QTextureGlyphCache (QFontEngine::GlyphFormat format, const QTransform &matrix, const QColor &color=QColor())

	~QTextureGlyphCache ()

bool	populate (QFontEngine fontEngine, qsizetype numGlyphs, const glyph_t glyphs, const QFixedPoint *positions, QPainter::RenderHints renderHints=QPainter::RenderHints(), bool includeGlyphCacheScale=false)

bool	hasPendingGlyphs () const

void	fillInPendingGlyphs ()

virtual void	createTextureData (int width, int height)=0

virtual void	resizeTextureData (int width, int height)=0

virtual int	glyphPadding () const

virtual void	beginFillTexture ()

virtual void	fillTexture (const Coord &coord, glyph_t glyph, const QFixedPoint &subPixelPosition)=0

virtual void	endFillTexture ()

void	createCache (int width, int height)

void	resizeCache (int width, int height)

bool	isNull () const

virtual int	maxTextureWidth () const

virtual int	maxTextureHeight () const

QImage	textureMapForGlyph (glyph_t g, const QFixedPoint &subPixelPosition) const

Public Member Functions inherited from QFontEngineGlyphCache
	QFontEngineGlyphCache (QFontEngine::GlyphFormat format, const QTransform &matrix, const QColor &color=QColor())

virtual	~QFontEngineGlyphCache ()

QFontEngine::GlyphFormat	glyphFormat () const

const QTransform &	transform () const

const QColor &	color () const

Public Member Functions inherited from QSharedData
	QSharedData () noexcept
	Constructs a QSharedData object with a reference count of 0.

	QSharedData (const QSharedData &) noexcept
	Constructs a QSharedData object with reference count 0.

QSharedData &	operator= (const QSharedData &)=delete

	~QSharedData ()=default

Public Attributes
QHash< GlyphAndSubPixelPosition, Coord >	coords

Public Attributes inherited from QFontEngineGlyphCache
QFontEngine::GlyphFormat	m_format

QTransform	m_transform

QColor	m_color

Public Attributes inherited from QSharedData
QAtomicInt	ref

Protected Member Functions
int	calculateSubPixelPositionCount (glyph_t) const

Protected Attributes
QFontEngine *	m_current_fontengine

QHash< GlyphAndSubPixelPosition, Coord >	m_pendingGlyphs

int	m_w

int	m_h

int	m_cx

int	m_cy

int	m_currentRowHeight

Detailed Description

Definition at line 38 of file qtextureglyphcache_p.h.

Constructor & Destructor Documentation

◆ QTextureGlyphCache()

QTextureGlyphCache::QTextureGlyphCache	(	QFontEngine::GlyphFormat	format,
		const QTransform &	matrix,
		const QColor &	color = `QColor()`
	)

inline

Definition at line 41 of file qtextureglyphcache_p.h.

◆ ~QTextureGlyphCache()

QT_BEGIN_NAMESPACE QTextureGlyphCache::~QTextureGlyphCache ( )

Definition at line 17 of file qtextureglyphcache.cpp.

Member Function Documentation

◆ beginFillTexture()

virtual void QTextureGlyphCache::beginFillTexture ( )

inlinevirtual

Reimplemented in QSGRhiTextureGlyphCache.

Definition at line 90 of file qtextureglyphcache_p.h.

Referenced by fillInPendingGlyphs().

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◆ calculateSubPixelPositionCount()

int QTextureGlyphCache::calculateSubPixelPositionCount ( glyph_t glyph ) const

protected

Definition at line 21 of file qtextureglyphcache.cpp.

References QFontEngine::addGlyphsToPath(), QFixed::fromReal(), i, images, j, m_current_fontengine, and textureMapForGlyph().

Referenced by populate().

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◆ createCache()

void QTextureGlyphCache::createCache	(	int	width,
		int	height
	)

inline

Definition at line 96 of file qtextureglyphcache_p.h.

Referenced by fillInPendingGlyphs().

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◆ createTextureData()

virtual void QTextureGlyphCache::createTextureData	(	int	width,
		int	height
	)

pure virtual

Implemented in QImageTextureGlyphCache, QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

◆ endFillTexture()

virtual void QTextureGlyphCache::endFillTexture ( )

inlinevirtual

Reimplemented in QSGRhiTextureGlyphCache.

Definition at line 94 of file qtextureglyphcache_p.h.

Referenced by fillInPendingGlyphs().

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◆ fillInPendingGlyphs()

void QTextureGlyphCache::fillInPendingGlyphs ( )

Definition at line 206 of file qtextureglyphcache.cpp.

References beginFillTexture(), createCache(), endFillTexture(), fillTexture(), hasPendingGlyphs(), isNull(), iter, m_h, m_pendingGlyphs, m_w, qMax(), qNextPowerOfTwo(), and resizeCache().

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◆ fillTexture()

virtual void QTextureGlyphCache::fillTexture	(	const Coord &	coord,
		glyph_t	glyph,
		const QFixedPoint &	subPixelPosition
	)

pure virtual

Implemented in QImageTextureGlyphCache, QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Referenced by fillInPendingGlyphs().

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◆ glyphPadding()

virtual int QTextureGlyphCache::glyphPadding ( ) const

inlinevirtual

Reimplemented in QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Definition at line 88 of file qtextureglyphcache_p.h.

Referenced by populate().

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◆ hasPendingGlyphs()

bool QTextureGlyphCache::hasPendingGlyphs ( ) const

inline

Definition at line 83 of file qtextureglyphcache_p.h.

Referenced by fillInPendingGlyphs().

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◆ isNull()

bool QTextureGlyphCache::isNull ( ) const

inline

Definition at line 109 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::createTextureData(), and fillInPendingGlyphs().

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◆ maxTextureHeight()

virtual int QTextureGlyphCache::maxTextureHeight ( ) const

inlinevirtual

Reimplemented in QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Definition at line 113 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::maxTextureHeight(), and populate().

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◆ maxTextureWidth()

virtual int QTextureGlyphCache::maxTextureWidth ( ) const

inlinevirtual

Reimplemented in QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Definition at line 112 of file qtextureglyphcache_p.h.

References QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH.

Referenced by QOpenGLTextureGlyphCache::maxTextureWidth(), and populate().

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◆ populate()

bool QTextureGlyphCache::populate	(	QFontEngine *	fontEngine,
		qsizetype	numGlyphs,
		const glyph_t *	glyphs,
		const QFixedPoint *	positions,
		QPainter::RenderHints	renderHints = `QPainter::RenderHints()`,
		bool	includeGlyphCacheScale = `false`
	)

Definition at line 59 of file qtextureglyphcache.cpp.

References QFontEngine::alphaMapBoundingBox(), QHash< Key, T >::begin(), calculateSubPixelPositionCount(), QHash< Key, T >::contains(), QHash< Key, T >::end(), QFontEngine::Format_Mono, QFixed::fromReal(), glyphPadding(), i, QHash< Key, T >::insert(), QHash< Key, T >::isEmpty(), iter, QTransform::m11(), QTransform::m22(), m_current_fontengine, m_currentRowHeight, m_cx, m_cy, QFontEngineGlyphCache::m_format, m_pendingGlyphs, QFontEngine::m_subPixelPositionCount, QFontEngineGlyphCache::m_transform, m_w, QFontEngine::maxCharWidth(), maxTextureHeight(), maxTextureWidth(), pos, positions, qCeil(), qDebug, qMax(), qNextPowerOfTwo(), QT_DEFAULT_TEXTURE_GLYPH_CACHE_WIDTH, QFontEngine::subPixelPositionFor(), QFontEngine::supportsSubPixelPositions(), QFontEngine::supportsVerticalSubPixelPositions(), QFontEngineGlyphCache::transform(), QPainter::VerticalSubpixelPositioning, QTextureGlyphCache::Coord::x, and QFixedPoint::y.

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◆ resizeCache()

void QTextureGlyphCache::resizeCache	(	int	width,
		int	height
	)

inline

Definition at line 102 of file qtextureglyphcache_p.h.

Referenced by fillInPendingGlyphs().

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◆ resizeTextureData()

virtual void QTextureGlyphCache::resizeTextureData	(	int	width,
		int	height
	)

pure virtual

Implemented in QImageTextureGlyphCache, QOpenGLTextureGlyphCache, QDirectFbTextureGlyphCache, and QSGRhiTextureGlyphCache.

◆ textureMapForGlyph()

QImage QTextureGlyphCache::textureMapForGlyph	(	glyph_t	g,
		const QFixedPoint &	subPixelPosition
	)		const

Definition at line 245 of file qtextureglyphcache.cpp.

References QFontEngine::alphaMapForGlyph(), QFontEngine::alphaRGBMapForGlyph(), QFontEngine::bitmapForGlyph(), QFontEngineGlyphCache::color(), QFontEngine::Format_A32, QFontEngine::Format_ARGB, m_current_fontengine, QFontEngineGlyphCache::m_format, and QFontEngineGlyphCache::m_transform.

Referenced by calculateSubPixelPositionCount(), QImageTextureGlyphCache::fillTexture(), QOpenGLTextureGlyphCache::fillTexture(), and QSGRhiTextureGlyphCache::fillTexture().

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Member Data Documentation

◆ coords

QHash<GlyphAndSubPixelPosition, Coord> QTextureGlyphCache::coords

Definition at line 111 of file qtextureglyphcache_p.h.

◆ m_current_fontengine

QFontEngine* QTextureGlyphCache::m_current_fontengine

protected

Definition at line 120 of file qtextureglyphcache_p.h.

Referenced by calculateSubPixelPositionCount(), QImageTextureGlyphCache::fillTexture(), populate(), and textureMapForGlyph().

◆ m_currentRowHeight

int QTextureGlyphCache::m_currentRowHeight

protected

Definition at line 127 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::clear(), and populate().

◆ m_cx

int QTextureGlyphCache::m_cx

protected

Definition at line 125 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::clear(), and populate().

◆ m_cy

int QTextureGlyphCache::m_cy

protected

Definition at line 126 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::clear(), and populate().

◆ m_h

int QTextureGlyphCache::m_h

protected

Definition at line 124 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::clear(), and fillInPendingGlyphs().

◆ m_pendingGlyphs

QHash<GlyphAndSubPixelPosition, Coord> QTextureGlyphCache::m_pendingGlyphs

protected

Definition at line 121 of file qtextureglyphcache_p.h.

Referenced by fillInPendingGlyphs(), and populate().

◆ m_w

int QTextureGlyphCache::m_w

protected

Definition at line 123 of file qtextureglyphcache_p.h.

Referenced by QOpenGLTextureGlyphCache::clear(), fillInPendingGlyphs(), and populate().

The documentation for this class was generated from the following files:

qtbase/src/gui/painting/qtextureglyphcache_p.h
qtbase/src/gui/painting/qtextureglyphcache.cpp

Classes

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ QTextureGlyphCache()

◆ ~QTextureGlyphCache()

Member Function Documentation

◆ beginFillTexture()

◆ calculateSubPixelPositionCount()

◆ createCache()

◆ createTextureData()

◆ endFillTexture()

◆ fillInPendingGlyphs()

◆ fillTexture()

◆ glyphPadding()

◆ hasPendingGlyphs()

◆ isNull()

◆ maxTextureHeight()

◆ maxTextureWidth()

◆ populate()

◆ resizeCache()

◆ resizeTextureData()

◆ textureMapForGlyph()

Member Data Documentation

◆ coords

◆ m_current_fontengine

◆ m_currentRowHeight

◆ m_cx

◆ m_cy

◆ m_h

◆ m_pendingGlyphs

◆ m_w