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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QTextureGlyphCache Class Referenceabstract

#include <qtextureglyphcache_p.h>

Inheritance diagram for QTextureGlyphCache:
Collaboration diagram for QTextureGlyphCache:

Classes

struct  GlyphAndSubPixelPosition
struct  Coord

Public Member Functions

 QTextureGlyphCache (QFontEngine::GlyphFormat formatformat, const QTransform &matrixmatrix, const QColor &colorcolor=QColor())
 ~QTextureGlyphCache ()
bool populate (QFontEngine *fontEngine, qsizetype numGlyphsnumGlyphs, const glyph_t *glyphs, const QFixedPoint *positions, QPainter::RenderHints renderHints=QPainter::RenderHints(), bool includeGlyphCacheScale=false)
bool hasPendingGlyphs () const
void fillInPendingGlyphs ()
virtual void createTextureData (int widthwidth, int heightheight)=0
virtual void resizeTextureData (int widthwidth, int heightheight)=0
virtual int glyphPadding () const
virtual void beginFillTexture ()
virtual void fillTexture (const Coord &coordcoord, glyph_t glyph, const QFixedPoint &subPixelPosition)=0
virtual void endFillTexture ()
void createCache (int widthwidth, int heightheight)
void resizeCache (int widthwidth, int heightheight)
bool isNull () const
virtual int maxTextureWidth () const
virtual int maxTextureHeight () const
QImage textureMapForGlyph (glyph_t gg, const QFixedPoint &subPixelPosition) const
Public Member Functions inherited from QFontEngineGlyphCache
 QFontEngineGlyphCache (QFontEngine::GlyphFormat formatformat, const QTransform &matrixmatrix, const QColor &colorcolor=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 39 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 42 of file qtextureglyphcache_p.h.

◆ ~QTextureGlyphCache()

QT_BEGIN_NAMESPACE QTextureGlyphCache::~QTextureGlyphCache ( )

Definition at line 18 of file qtextureglyphcache.cpp.

Member Function Documentation

◆ beginFillTexture()

virtual void QTextureGlyphCache::beginFillTexture ( )
inlinevirtual

Reimplemented in QSGRhiTextureGlyphCache.

Definition at line 91 of file qtextureglyphcache_p.h.

◆ calculateSubPixelPositionCount()

int QTextureGlyphCache::calculateSubPixelPositionCount ( glyph_t glyph) const
protected

Definition at line 22 of file qtextureglyphcache.cpp.

◆ createCache()

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

Definition at line 97 of file qtextureglyphcache_p.h.

◆ 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 95 of file qtextureglyphcache_p.h.

◆ fillInPendingGlyphs()

void QTextureGlyphCache::fillInPendingGlyphs ( )

Definition at line 207 of file qtextureglyphcache.cpp.

◆ fillTexture()

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

Implemented in QImageTextureGlyphCache, QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

◆ glyphPadding()

virtual int QTextureGlyphCache::glyphPadding ( ) const
inlinevirtual

Reimplemented in QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Definition at line 89 of file qtextureglyphcache_p.h.

◆ hasPendingGlyphs()

bool QTextureGlyphCache::hasPendingGlyphs ( ) const
inline

Definition at line 84 of file qtextureglyphcache_p.h.

◆ isNull()

bool QTextureGlyphCache::isNull ( ) const
inline

Definition at line 110 of file qtextureglyphcache_p.h.

◆ maxTextureHeight()

virtual int QTextureGlyphCache::maxTextureHeight ( ) const
inlinevirtual

Reimplemented in QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Definition at line 114 of file qtextureglyphcache_p.h.

◆ maxTextureWidth()

virtual int QTextureGlyphCache::maxTextureWidth ( ) const
inlinevirtual

Reimplemented in QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

Definition at line 113 of file qtextureglyphcache_p.h.

◆ 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 60 of file qtextureglyphcache.cpp.

◆ resizeCache()

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

Definition at line 103 of file qtextureglyphcache_p.h.

◆ resizeTextureData()

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

Implemented in QDirectFbTextureGlyphCache, QImageTextureGlyphCache, QOpenGLTextureGlyphCache, and QSGRhiTextureGlyphCache.

◆ textureMapForGlyph()

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

Definition at line 247 of file qtextureglyphcache.cpp.

Member Data Documentation

◆ coords

QHash<GlyphAndSubPixelPosition, Coord> QTextureGlyphCache::coords

Definition at line 112 of file qtextureglyphcache_p.h.

◆ m_current_fontengine

QFontEngine* QTextureGlyphCache::m_current_fontengine
protected

Definition at line 121 of file qtextureglyphcache_p.h.

◆ m_currentRowHeight

int QTextureGlyphCache::m_currentRowHeight
protected

Definition at line 128 of file qtextureglyphcache_p.h.

◆ m_cx

int QTextureGlyphCache::m_cx
protected

Definition at line 126 of file qtextureglyphcache_p.h.

◆ m_cy

int QTextureGlyphCache::m_cy
protected

Definition at line 127 of file qtextureglyphcache_p.h.

◆ m_h

int QTextureGlyphCache::m_h
protected

Definition at line 125 of file qtextureglyphcache_p.h.

◆ m_pendingGlyphs

QHash<GlyphAndSubPixelPosition, Coord> QTextureGlyphCache::m_pendingGlyphs
protected

Definition at line 122 of file qtextureglyphcache_p.h.

◆ m_w

int QTextureGlyphCache::m_w
protected

Definition at line 124 of file qtextureglyphcache_p.h.

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