QTessellatorPrivate::Edge Struct Reference

Collaboration diagram for QTessellatorPrivate::Edge:

Public Member Functions
	Edge (const Vertices &v, int _edge)
bool	isLeftOf (const Edge &other, Q27Dot5 y) const
Q27Dot5	positionAt (Q27Dot5 y) const
bool	intersect (const Edge &other, Q27Dot5 *y, bool *det_positive) const

Public Attributes
int	edge
const Vertex *	v0
const Vertex *	v1
Q27Dot5	y_left
Q27Dot5	y_right
signed int	winding: 8
bool	mark
bool	free
bool	intersect_left
bool	intersect_right

Detailed Description

Definition at line 75 of file qtessellator.cpp.

Constructor & Destructor Documentation

Edge()

QTessellatorPrivate::Edge::Edge	(	const Vertices &	v,
		int	_edge
	)

Definition at line 205 of file qtessellator.cpp.

References edge, free, intersect_left, intersect_right, mark, QTessellatorPrivate::Vertices::next(), Q_ASSERT, qSwap(), QTessellatorPrivate::vertices, winding, y_left, and y_right.

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Member Function Documentation

intersect()

bool QTessellatorPrivate::Edge::intersect	(	const Edge &	other,
		Q27Dot5 *	y,
		bool *	det_positive
	)		const

Definition at line 248 of file qtessellator.cpp.

References a1, a2, c2, other(), QDEBUG, r1, r2, and sameSign().

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isLeftOf()

bool QTessellatorPrivate::Edge::isLeftOf	(	const Edge &	other,
		Q27Dot5	y
	)		const

Definition at line 298 of file qtessellator.cpp.

References a1, a2, c2, other(), and r1.

Referenced by QTessellatorPrivate::EdgeSorter::operator()().

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positionAt()

Q27Dot5 QTessellatorPrivate::Edge::positionAt

(

Q27Dot5

y

)

const

Definition at line 343 of file qtessellator.cpp.

References d.

Referenced by QTessellatorPrivate::processIntersections().

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Member Data Documentation

edge

int QTessellatorPrivate::Edge::edge

Definition at line 77 of file qtessellator.cpp.

Referenced by Edge(), QTessellatorPrivate::Scanline::insert(), and QTessellatorPrivate::processIntersections().

free

bool QTessellatorPrivate::Edge::free

Definition at line 84 of file qtessellator.cpp.

Referenced by Edge().

intersect_left

bool QTessellatorPrivate::Edge::intersect_left

Definition at line 85 of file qtessellator.cpp.

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

intersect_right

bool QTessellatorPrivate::Edge::intersect_right

Definition at line 86 of file qtessellator.cpp.

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

mark

bool QTessellatorPrivate::Edge::mark

Definition at line 83 of file qtessellator.cpp.

Referenced by Edge(), QTessellatorPrivate::addEdges(), QTessellatorPrivate::emitEdges(), QTessellatorPrivate::processIntersections(), and QTessellatorPrivate::removeEdges().

v0

const Vertex* QTessellatorPrivate::Edge::v0

Definition at line 78 of file qtessellator.cpp.

v1

const Vertex* QTessellatorPrivate::Edge::v1

Definition at line 79 of file qtessellator.cpp.

winding

signed int QTessellatorPrivate::Edge::winding

Definition at line 82 of file qtessellator.cpp.

Referenced by Edge(), and QTessellatorPrivate::emitEdges().

y_left

Q27Dot5 QTessellatorPrivate::Edge::y_left

Definition at line 80 of file qtessellator.cpp.

Referenced by Edge(), and QTessellatorPrivate::emitEdges().

y_right

Q27Dot5 QTessellatorPrivate::Edge::y_right

Definition at line 81 of file qtessellator.cpp.

Referenced by Edge(), and QTessellatorPrivate::emitEdges().

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

• qtbase/src/plugins/platforms/xcb/nativepainting/qtessellator.cpp