QClipperUtils Class Reference

#include <qclipperutils_p.h>

Collaboration diagram for QClipperUtils:

Public Types
enum	Operation { Union , Intersection , Difference , Xor }
enum	PolyFillType { pftEvenOdd , pftNonZero , pftPositive , pftNegative }

Public Member Functions
	QClipperUtils ()
	QClipperUtils (const QClipperUtils &other)
	~QClipperUtils ()
void	clearClipper ()
void	addSubjectPath (const QList< QDoubleVector2D > &path, bool closed)
void	addClipPolygon (const QList< QDoubleVector2D > &path)
QList< QList< QDoubleVector2D > >	execute (Operation op, PolyFillType subjFillType=pftNonZero, PolyFillType clipFillType=pftNonZero)
void	setPolygon (const QList< QDoubleVector2D > &polygon)
int	pointInPolygon (const QDoubleVector2D &point) const

Static Public Member Functions
static double	clipperScaleFactor ()
static int	pointInPolygon (const QDoubleVector2D &point, const QList< QDoubleVector2D > &polygon)

Detailed Description

Definition at line 39 of file qclipperutils_p.h.

Member Enumeration Documentation

Operation

enum QClipperUtils::Operation

Enumerator
Union
Intersection
Difference
Xor

Definition at line 47 of file qclipperutils_p.h.

PolyFillType

enum QClipperUtils::PolyFillType

Enumerator
pftEvenOdd
pftNonZero
pftPositive
pftNegative

Definition at line 55 of file qclipperutils_p.h.

Constructor & Destructor Documentation

QClipperUtils() [1/2]

QClipperUtils::QClipperUtils

(

)

Definition at line 57 of file qclipperutils.cpp.

QClipperUtils() [2/2]

QClipperUtils::QClipperUtils

(

const QClipperUtils &

other

)

Definition at line 61 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_cachedPolygon, and other().

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~QClipperUtils()

QClipperUtils::~QClipperUtils

(

)

Definition at line 66 of file qclipperutils.cpp.

Member Function Documentation

addClipPolygon()

void QClipperUtils::addClipPolygon

(

const QList< QDoubleVector2D > &

path

)

Definition at line 93 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_clipper, and qListToPath().

Referenced by QDeclarativeGeoMapItemUtils::clipPolygon(), and QGeoMapPolygonGeometry::updateSourcePoints().

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addSubjectPath()

void QClipperUtils::addSubjectPath	(	const QList< QDoubleVector2D > &	path,
		bool	closed
	)

Definition at line 88 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_clipper, and qListToPath().

Referenced by QDeclarativeGeoMapItemUtils::clipPolygon(), and QGeoMapPolygonGeometry::updateSourcePoints().

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clearClipper()

void QClipperUtils::clearClipper

(

)

Definition at line 83 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_clipper.

clipperScaleFactor()

double QClipperUtils::clipperScaleFactor ( )

static

Definition at line 71 of file qclipperutils.cpp.

References kClipperScaleFactor.

execute()

QList< QList< QDoubleVector2D > > QClipperUtils::execute	(	Operation	op,
		PolyFillType	subjFillType = pftNonZero,
		PolyFillType	clipFillType = pftNonZero
	)

Definition at line 98 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_clipper, and pathsToQList().

Referenced by QDeclarativeGeoMapItemUtils::clipPolygon(), and QGeoMapPolygonGeometry::updateSourcePoints().

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pointInPolygon() [1/2]

int QClipperUtils::pointInPolygon

(

const QDoubleVector2D &

point

)

const

Definition at line 113 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_cachedPolygon, qWarning, and toIntPoint().

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pointInPolygon() [2/2]

int QClipperUtils::pointInPolygon ( const QDoubleVector2D &  point, const QList< QDoubleVector2D > &  polygon  )

static

Definition at line 76 of file qclipperutils.cpp.

References qListToPath(), qWarning, and toIntPoint().

Referenced by QGeoPolygonPrivate::polygonContains().

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setPolygon()

void QClipperUtils::setPolygon

(

const QList< QDoubleVector2D > &

polygon

)

Definition at line 108 of file qclipperutils.cpp.

References QClipperUtilsPrivate::m_cachedPolygon, and qListToPath().

Referenced by QGeoPolygonPrivate::updateClipperPath().

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

• qtpositioning/src/positioning/qclipperutils_p.h
• qtpositioning/src/positioning/qclipperutils.cpp