qtessellator.cpp File Reference

#include "qtessellator_p.h"
#include <QRect>
#include <QList>
#include <QMap>
#include <QDebug>
#include <qmath.h>
#include <limits.h>
#include <algorithm>

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Classes
class	QTessellatorPrivate
struct	QTessellatorPrivate::Vertex
struct	QTessellatorPrivate::Intersection
struct	QTessellatorPrivate::IntersectionLink
struct	QTessellatorPrivate::Edge
class	QTessellatorPrivate::EdgeSorter
class	QTessellatorPrivate::Scanline
struct	QTessellatorPrivate::Vertices
struct	QCoincidingEdge

Macros
#define	QDEBUG   if (1){} else qDebug

Enumerations
enum	VertexFlags {   LineBeforeStarts = 0x1 , LineBeforeEnds = 0x2 , LineBeforeHorizontal = 0x4 , LineAfterStarts = 0x8 ,   LineAfterEnds = 0x10 , LineAfterHorizontal = 0x20 }

Functions
static bool	sameSign (qint64 a, qint64 b)
static bool	compareVertex (const QTessellatorPrivate::Vertex *p1, const QTessellatorPrivate::Vertex *p2)
static void	fillTrapezoid (Q27Dot5 y1, Q27Dot5 y2, int left, int right, const QTessellatorPrivate::Vertices &vertices, QTessellator::Trapezoid *trap)
static void	cancelEdges (QCoincidingEdge &e1, QCoincidingEdge &e2)

Variables
static const bool	emit_clever = true
static const bool	mark_clever = false

Macro Definition Documentation

QDEBUG

#define QDEBUG   if (1){} else qDebug

Definition at line 21 of file qtessellator.cpp.

Enumeration Type Documentation

VertexFlags

enum VertexFlags

Enumerator
LineBeforeStarts
LineBeforeEnds
LineBeforeHorizontal
LineAfterStarts
LineAfterEnds
LineAfterHorizontal

Definition at line 27 of file qtessellator.cpp.

Function Documentation

cancelEdges()

static void cancelEdges ( QCoincidingEdge &  e1, QCoincidingEdge &  e2  )

static

Definition at line 670 of file qtessellator.cpp.

References QCoincidingEdge::before, QCoincidingEdge::end, QTessellatorPrivate::Vertex::flags, LineAfterEnds, LineAfterHorizontal, LineAfterStarts, LineBeforeEnds, LineBeforeHorizontal, LineBeforeStarts, QCoincidingEdge::start, and QCoincidingEdge::used.

Referenced by QTessellatorPrivate::cancelCoincidingEdges().

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compareVertex()

static bool compareVertex ( const QTessellatorPrivate::Vertex *  p1, const QTessellatorPrivate::Vertex *  p2  )

inlinestatic

Definition at line 332 of file qtessellator.cpp.

References p1, and p2.

Referenced by QTessellatorPrivate::collectAndSortVertices().

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fillTrapezoid()

static void fillTrapezoid ( Q27Dot5  y1, Q27Dot5  y2, int  left, int  right, const QTessellatorPrivate::Vertices &  vertices, QTessellator::Trapezoid *  trap  )

inlinestatic

Definition at line 552 of file qtessellator.cpp.

References QTessellator::Trapezoid::bottom, QTessellator::Trapezoid::bottomLeft, QTessellator::Trapezoid::bottomRight, QTessellatorPrivate::Vertices::next(), qSwap(), QTessellator::Trapezoid::top, QTessellator::Trapezoid::topLeft, QTessellator::Trapezoid::topRight, QTessellatorPrivate::vertices, and QTessellator::Vertex::y.

Referenced by QTessellatorPrivate::emitEdges().

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sameSign()

static bool sameSign ( qint64  a, qint64  b  )

inlinestatic

Definition at line 244 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::Edge::intersect().

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Variable Documentation

emit_clever

const bool emit_clever = true

static

Definition at line 24 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::emitEdges().

mark_clever

const bool mark_clever = false

static

Definition at line 25 of file qtessellator.cpp.

Referenced by QTessellatorPrivate::addEdges().