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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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QTessellatorPrivate::Scanline Class Reference
Collaboration diagram for QTessellatorPrivate::Scanline:

Public Member Functions

 Scanline ()
 ~Scanline ()
void init (int maxActiveEdges)
void done ()
int findEdgePosition (Q27Dot5 x, Q27Dot5 y) const
int findEdgePosition (const Edge &e) const
int findEdge (int edge) const
void clearMarks ()
void swap (int p1, int p2)
void insert (int pos, const Edge &e)
void removeAt (int pos)
void markEdges (int pos1, int pos2)
void prepareLine ()
void lineDone ()
 Scanline ()
 ~Scanline ()
void init (int maxActiveEdges)
void done ()
int findEdgePosition (Q27Dot5 x, Q27Dot5 y) const
int findEdgePosition (const Edge &e) const
int findEdge (int edge) const
void clearMarks ()
void swap (int p1, int p2)
void insert (int pos, const Edge &e)
void removeAt (int pos)
void markEdges (int pos1, int pos2)
void prepareLine ()
void lineDone ()

Public Attributes

Edge ** old
int old_size
Edge ** edges
int size

Detailed Description

Definition at line 102 of file qtessellator.cpp.

Constructor & Destructor Documentation

◆ Scanline() [1/2]

QTessellatorPrivate::Scanline::Scanline ( )

Definition at line 361 of file qtessellator.cpp.

References edges, and old.

◆ ~Scanline() [1/2]

QTessellatorPrivate::Scanline::~Scanline ( )

Definition at line 398 of file qtessellator.cpp.

References edges, and old.

◆ Scanline() [2/2]

QTessellatorPrivate::Scanline::Scanline ( )

◆ ~Scanline() [2/2]

QTessellatorPrivate::Scanline::~Scanline ( )

Member Function Documentation

◆ clearMarks() [1/2]

void QTessellatorPrivate::Scanline::clearMarks ( )

Definition at line 450 of file qtessellator.cpp.

References edges, QTessellatorPrivate::Edge::intersect_left, QTessellatorPrivate::Edge::intersect_right, QTessellatorPrivate::Edge::mark, and size.

Referenced by QTessellator::tessellate().

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◆ clearMarks() [2/2]

void QTessellatorPrivate::Scanline::clearMarks ( )

◆ done() [1/2]

void QTessellatorPrivate::Scanline::done ( )

Definition at line 386 of file qtessellator.cpp.

References edges, and old.

Referenced by QTessellator::tessellate().

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◆ done() [2/2]

void QTessellatorPrivate::Scanline::done ( )

◆ findEdge() [1/2]

int QTessellatorPrivate::Scanline::findEdge ( int edge) const

Definition at line 439 of file qtessellator.cpp.

References QTessellatorPrivate::Edge::edge, edges, and size.

Referenced by QTessellatorPrivate::processIntersections(), and QTessellatorPrivate::removeEdges().

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◆ findEdge() [2/2]

int QTessellatorPrivate::Scanline::findEdge ( int edge) const

◆ findEdgePosition() [1/4]

int QTessellatorPrivate::Scanline::findEdgePosition ( const Edge & e) const

Definition at line 421 of file qtessellator.cpp.

References edges, QTessellatorPrivate::Edge::isLeftOf(), size, QTessellatorPrivate::Edge::v0, and QTessellator::Vertex::y.

Referenced by QTessellatorPrivate::addEdges().

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◆ findEdgePosition() [2/4]

int QTessellatorPrivate::Scanline::findEdgePosition ( const Edge & e) const

◆ findEdgePosition() [3/4]

int QTessellatorPrivate::Scanline::findEdgePosition ( Q27Dot5 x,
Q27Dot5 y ) const

Definition at line 405 of file qtessellator.cpp.

References edges, QTessellatorPrivate::Edge::positionAt(), and size.

Referenced by QTessellatorPrivate::addEdges().

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◆ findEdgePosition() [4/4]

int QTessellatorPrivate::Scanline::findEdgePosition ( Q27Dot5 x,
Q27Dot5 y ) const

◆ init() [1/2]

void QTessellatorPrivate::Scanline::init ( int maxActiveEdges)

Definition at line 368 of file qtessellator.cpp.

References QTessellatorPrivate::Edge::edge, edges, old_size, and size.

Referenced by QTessellator::tessellate().

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◆ init() [2/2]

void QTessellatorPrivate::Scanline::init ( int maxActiveEdges)

◆ insert() [1/2]

void QTessellatorPrivate::Scanline::insert ( int pos,
const Edge & e )

Definition at line 485 of file qtessellator.cpp.

References QTessellatorPrivate::Edge::edge, edges, and size.

Referenced by QTessellatorPrivate::addEdges().

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◆ insert() [2/2]

void QTessellatorPrivate::Scanline::insert ( int pos,
const Edge & e )

◆ lineDone() [1/2]

void QTessellatorPrivate::Scanline::lineDone ( )

Definition at line 472 of file qtessellator.cpp.

References QTessellatorPrivate::Edge::edge, QTessellatorPrivate::Edge::free, old, and old_size.

Referenced by QTessellator::tessellate().

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◆ lineDone() [2/2]

void QTessellatorPrivate::Scanline::lineDone ( )

◆ markEdges() [1/2]

void QTessellatorPrivate::Scanline::markEdges ( int pos1,
int pos2 )

Definition at line 504 of file qtessellator.cpp.

References edges, and QTessellatorPrivate::Edge::mark.

Referenced by QTessellatorPrivate::addEdges().

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◆ markEdges() [2/2]

void QTessellatorPrivate::Scanline::markEdges ( int pos1,
int pos2 )

◆ prepareLine() [1/2]

void QTessellatorPrivate::Scanline::prepareLine ( )

Definition at line 459 of file qtessellator.cpp.

References edges, old, old_size, and size.

Referenced by QTessellator::tessellate().

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◆ prepareLine() [2/2]

void QTessellatorPrivate::Scanline::prepareLine ( )

◆ removeAt() [1/2]

void QTessellatorPrivate::Scanline::removeAt ( int pos)

Definition at line 496 of file qtessellator.cpp.

References edges, QTessellatorPrivate::Edge::free, and size.

Referenced by QTessellatorPrivate::removeEdges().

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◆ removeAt() [2/2]

void QTessellatorPrivate::Scanline::removeAt ( int pos)

◆ swap() [1/2]

void QTessellatorPrivate::Scanline::swap ( int p1,
int p2 )
inline

Definition at line 115 of file qtessellator.cpp.

References edges.

◆ swap() [2/2]

void QTessellatorPrivate::Scanline::swap ( int p1,
int p2 )
inline

Definition at line 115 of file qtessellator.cpp.

Member Data Documentation

◆ edges

Edge ** QTessellatorPrivate::Scanline::edges

Definition at line 130 of file qtessellator.cpp.

Referenced by Scanline(), ~Scanline(), QTessellatorPrivate::addEdges(), QTessellatorPrivate::addIntersections(), clearMarks(), done(), findEdge(), findEdgePosition(), findEdgePosition(), init(), insert(), markEdges(), prepareLine(), QTessellatorPrivate::processIntersections(), removeAt(), QTessellatorPrivate::removeEdges(), and swap().

◆ old

Edge ** QTessellatorPrivate::Scanline::old

Definition at line 127 of file qtessellator.cpp.

Referenced by Scanline(), ~Scanline(), done(), QTessellatorPrivate::emitEdges(), lineDone(), and prepareLine().

◆ old_size

int QTessellatorPrivate::Scanline::old_size

Definition at line 128 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::emitEdges(), init(), lineDone(), and prepareLine().

◆ size

int QTessellatorPrivate::Scanline::size

Definition at line 131 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges(), QTessellatorPrivate::addIntersections(), clearMarks(), findEdge(), findEdgePosition(), findEdgePosition(), init(), insert(), prepareLine(), QTessellatorPrivate::processIntersections(), removeAt(), and QTessellatorPrivate::removeEdges().

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