qtriangulator.cpp File Reference

(34519d44ffd0327a676f6af41f63191912b583e6)

#include "qtriangulator_p.h"
#include <QtGui/qevent.h>
#include <QtGui/qpainter.h>
#include <QtGui/qpainterpath.h>
#include <QtGui/private/qbezier_p.h>
#include <QtGui/private/qdatabuffer_p.h>
#include <QtCore/qbitarray.h>
#include <QtCore/qvarlengtharray.h>
#include <QtCore/qqueue.h>
#include <QtCore/qglobal.h>
#include <QtCore/qpoint.h>
#include <QtCore/qalgorithms.h>
#include <private/qrbtree_p.h>

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Classes
struct	QVertexSet< T >
struct	QFraction
struct	QPodPoint
struct	QIntersectionPoint
class	QMaxHeap< T >
class	QInt64Set
class	QTriangulator< T >
class	QTriangulator< T >::ComplexToSimple
class	QTriangulator< T >::SimpleToMonotone
class	QTriangulator< T >::MonotoneToTriangles

Macros
#define	Q_FIXED_POINT_SCALE   32

Functions
static quint64	gcd (quint64 x, quint64 y)
static int	compare (quint64 a, quint64 b)
static int	qCompareFractions (quint64 a, quint64 b, quint64 c, quint64 d)
static QFraction	qFraction (quint64 n, quint64 d)
static qint64	qCross (const QPodPoint &u, const QPodPoint &v)
static qint64	qPointDistanceFromLine (const QPodPoint &p, const QPodPoint &v1, const QPodPoint &v2)
static bool	qPointIsLeftOfLine (const QPodPoint &p, const QPodPoint &v1, const QPodPoint &v2)
static QIntersectionPoint	qIntersectionPoint (const QPodPoint &point)
static QIntersectionPoint	qIntersectionPoint (const QPodPoint &u1, const QPodPoint &u2, const QPodPoint &v1, const QPodPoint &v2)
static int	primeForNumBits (int numBits)
static int	primeForCount (int count)
Q_GUI_EXPORT QTriangleSet	qTriangulate (const qreal *polygon, int count, uint hint, const QTransform &matrix, bool allowUintIndices)
Q_GUI_EXPORT QTriangleSet	qTriangulate (const QVectorPath &path, const QTransform &matrix, qreal lod, bool allowUintIndices)
QTriangleSet	qTriangulate (const QPainterPath &path, const QTransform &matrix, qreal lod, bool allowUintIndices)
QPolylineSet	qPolyline (const QVectorPath &path, const QTransform &matrix, qreal lod, bool allowUintIndices)
QPolylineSet	qPolyline (const QPainterPath &path, const QTransform &matrix, qreal lod, bool allowUintIndices)

Variables
static const uchar	prime_deltas []

Macro Definition Documentation

Q_FIXED_POINT_SCALE

#define Q_FIXED_POINT_SCALE   32

Definition at line 23 of file qtriangulator.cpp.

Function Documentation

compare()

static int compare ( quint64 a, quint64 b )

inlinestatic

Definition at line 68 of file qtriangulator.cpp.

Referenced by QCollator::compare(), QCollator::compare(), QString::compare(), QFileSystemModelSorter::compareNodes(), customAssigningUniqueLast(), QGridLayoutRowData::distributeMultiCells(), QTableModel::ensureSorted(), QTreeModel::ensureSorted(), Object::equalityExample(), QQmlJS::Dom::fileTypeForPath(), QSslSocketPrivate::isMatchingHostname(), QEglFSKmsEglDevice::open(), QQmlJS::Dom::operator!=(), QCollator::operator()(), QV4::SequenceCompareFunctor::operator()(), QCollator::operator()(), QQmlJS::Dom::operator<(), QQmlJS::Dom::operator<=(), QQmlJS::Dom::operator==(), QQmlJS::Dom::operator>(), QQmlJS::Dom::operator>=(), QSortFilterProxyModelPrivate::proxy_intervals_for_source_items_to_add(), qCompareFractions(), sm_performSaveYourself(), QListModel::sort(), QTableModel::sort(), sortContainer(), QTreeModel::sortItems(), QV4::sortSequence(), and QCss::Parser::testPrio().

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gcd()

static quint64 gcd ( quint64 x, quint64 y )

inlinestatic

Definition at line 58 of file qtriangulator.cpp.

Referenced by qFraction().

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primeForCount()

static int primeForCount ( int count )

inlinestatic

Definition at line 419 of file qtriangulator.cpp.

References i, and primeForNumBits().

Referenced by QInt64Set::QInt64Set(), and QInt64Set::insert().

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primeForNumBits()

static int primeForNumBits ( int numBits )

inlinestatic

Definition at line 414 of file qtriangulator.cpp.

References prime_deltas.

Referenced by primeForCount().

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qCompareFractions()

static int qCompareFractions ( quint64 a, quint64 b, quint64 c, quint64 d )

static

Definition at line 76 of file qtriangulator.cpp.

References compare(), d, Q_UINT64_C, and qSwap().

Referenced by QFraction::operator<().

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qCross()

static qint64 qCross ( const QPodPoint & u, const QPodPoint & v )

inlinestatic

Definition at line 156 of file qtriangulator.cpp.

References QPodPoint::x, and QPodPoint::y.

Referenced by qIntersectionPoint(), and qPointDistanceFromLine().

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qFraction()

static QFraction qFraction ( quint64 n, quint64 d )

static

Definition at line 105 of file qtriangulator.cpp.

References d, gcd(), and QFraction::numerator.

Referenced by QIntersectionPoint::isOnLine(), and qIntersectionPoint().

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qIntersectionPoint() [1/2]

static QIntersectionPoint qIntersectionPoint ( const QPodPoint & point )

inlinestatic

Definition at line 204 of file qtriangulator.cpp.

References QPodPoint::x, and QPodPoint::y.

qIntersectionPoint() [2/2]

static QIntersectionPoint qIntersectionPoint ( const QPodPoint & u1, const QPodPoint & u2, const QPodPoint & v1, const QPodPoint & v2 )

static

Definition at line 211 of file qtriangulator.cpp.

References d1, d2, Q_ASSERT, qCross(), qFraction(), and v1.

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qPointDistanceFromLine()

static qint64 qPointDistanceFromLine ( const QPodPoint & p, const QPodPoint & v1, const QPodPoint & v2 )

inlinestatic

Definition at line 172 of file qtriangulator.cpp.

References qCross().

Referenced by qPointIsLeftOfLine().

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qPointIsLeftOfLine()

static bool qPointIsLeftOfLine ( const QPodPoint & p, const QPodPoint & v1, const QPodPoint & v2 )

inlinestatic

Definition at line 177 of file qtriangulator.cpp.

References qPointDistanceFromLine(), and v1.

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qPolyline() [1/2]

QPolylineSet qPolyline	(	const QPainterPath &	path,
		const QTransform &	matrix,
		qreal	lod,
		bool	allowUintIndices )

Definition at line 2303 of file qtriangulator.cpp.

References QPolylineSet::vertices.

qPolyline() [2/2]

QPolylineSet qPolyline	(	const QVectorPath &	path,
		const QTransform &	matrix,
		qreal	lod,
		bool	allowUintIndices )

Definition at line 2283 of file qtriangulator.cpp.

References QPolylineSet::vertices.

qTriangulate() [1/3]

QTriangleSet qTriangulate	(	const QPainterPath &	path,
		const QTransform &	matrix,
		qreal	lod,
		bool	allowUintIndices )

Definition at line 2263 of file qtriangulator.cpp.

References QTriangleSet::vertices.

qTriangulate() [2/3]

Q_GUI_EXPORT QTriangleSet qTriangulate	(	const qreal *	polygon,
		int	count,
		uint	hint,
		const QTransform &	matrix,
		bool	allowUintIndices )

Definition at line 2218 of file qtriangulator.cpp.

References hint(), and QTriangleSet::vertices.

Referenced by QOpenGL2PaintEngineExPrivate::fill(), QSGCurveProcessor::processFill(), and QQuickShapeGenericRenderer::triangulateFill().

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qTriangulate() [3/3]

Q_GUI_EXPORT QTriangleSet qTriangulate	(	const QVectorPath &	path,
		const QTransform &	matrix,
		qreal	lod,
		bool	allowUintIndices )

Definition at line 2240 of file qtriangulator.cpp.

References QTriangleSet::vertices.

Variable Documentation

prime_deltas

const uchar prime_deltas[]

static

Initial value:

= {
    0,  0,  1,  3,  1,  5,  3,  3,  1,  9,  7,  5,  3, 17, 27,  3,
    1, 29,  3, 21,  7, 17, 15,  9, 43, 35, 15,  0,  0,  0,  0,  0
}

Definition at line 408 of file qtriangulator.cpp.

Referenced by primeForNumBits(), and qPrimeForNumBits().