#include "qgsinternalgeometryengine.h"
#include <functional>
#include <geos_c.h>
#include <memory>
#include <random>
#include "qgscircle.h"
#include "qgscircularstring.h"
#include "qgsfeedback.h"
#include "qgsgeometry.h"
#include "qgsgeometryengine.h"
#include "qgsgeometryutils.h"
#include "qgsgeos.h"
#include "qgslinesegment.h"
#include "qgslinestring.h"
#include "qgsmulticurve.h"
#include "qgsmultilinestring.h"
#include "qgsmultipolygon.h"
#include "qgspolygon.h"
#include "qgstessellator.h"
#include <QTransform>
#include <queue>

Include dependency graph for qgsinternalgeometryengine.cpp:

Enumerations
enum class	Direction { Up , Right , Down , Left , None }

Functions
std::unique_ptr< QgsAbstractGeometry >	applyDashPatternPrivate (const QgsAbstractGeometry *geom, const QVector< double > &pattern, Qgis::DashPatternLineEndingRule startRule, Qgis::DashPatternLineEndingRule endRule, Qgis::DashPatternSizeAdjustment adjustment, double patternOffset)
QgsVector	calcMotion (const QgsPoint &a, const QgsPoint &b, const QgsPoint &c, double lowerThreshold, double upperThreshold)
std::unique_ptr< QgsAbstractGeometry >	convertGeometryToCurves (const QgsAbstractGeometry *geom, double distanceTolerance, double angleTolerance)
std::unique_ptr< QgsMultiLineString >	dashPatternAlongLine (const QgsLineString *line, const QVector< double > &pattern, Qgis::DashPatternLineEndingRule startRule, Qgis::DashPatternLineEndingRule endRule, Qgis::DashPatternSizeAdjustment adjustment, double patternOffset)
QgsAbstractGeometry *	densifyGeometry (const QgsAbstractGeometry *geom, int extraNodesPerSegment=1, double distance=1)
QgsLineString *	doDensify (const QgsLineString *ring, int extraNodesPerSegment=-1, double distance=1)
QgsLineString *	doOrthogonalize (QgsLineString *ring, int iterations, double tolerance, double lowerThreshold, double upperThreshold)
bool	dotProductWithinAngleTolerance (double dotProduct, double lowerThreshold, double upperThreshold)
QVector< QgsPointXY >	generateSegmentCurve (const QgsPoint &center1, const double radius1, const QgsPoint &center2, const double radius2)
Direction	getEdgeDirection (const QgsPoint &p1, const QgsPoint &p2, double maxDev)
	Determines the direction of an edge from p1 to p2.
std::pair< bool, std::array< Direction, 4 > >	getEdgeDirections (const QgsPolygon *g, double maxDev)
	Checks whether the polygon consists of four nearly axis-parallel sides.
bool	isClockwise (std::array< Direction, 4 > dirs)
	Checks whether the 4 directions in dirs make up a clockwise rectangle.
bool	isCounterClockwise (std::array< Direction, 4 > dirs)
	Checks whether the 4 directions in dirs make up a counter-clockwise rectangle.
std::unique_ptr< QgsCurve >	lineToCurve (const QgsCurve *curve, double distanceTolerance, double pointSpacingAngleTolerance)
bool	matchesOrientation (std::array< Direction, 4 > dirs, std::array< Direction, 4 > oriented)
double	normalizedDotProduct (const QgsPoint &a, const QgsPoint &b, const QgsPoint &c)
QgsAbstractGeometry *	orthogonalizeGeom (const QgsAbstractGeometry *geom, int maxIterations, double tolerance, double lowerThreshold, double upperThreshold)
QVector< QgsPointXY >	randomPointsInPolygonGeosBackend (const QgsAbstractGeometry geometry, int count, const std::function< bool(const QgsPointXY &) > &acceptPoint, unsigned long seed, QgsFeedback feedback, int maxTriesPerPoint, QString &error)
QVector< QgsPointXY >	randomPointsInPolygonPoly2TriBackend (const QgsAbstractGeometry geometry, int count, const std::function< bool(const QgsPointXY &) > &acceptPoint, unsigned long seed, QgsFeedback feedback, int maxTriesPerPoint, QString &error)
std::unique_ptr< QgsLineString >	roundWavesAlongLine (const QgsLineString *line, double wavelength, const double amplitude, const bool strictWavelength)
std::unique_ptr< QgsAbstractGeometry >	roundWavesPrivate (const QgsAbstractGeometry *geom, double wavelength, double amplitude, bool strictWavelength)
std::unique_ptr< QgsLineString >	roundWavesRandomizedAlongLine (const QgsLineString *line, const double minimumWavelength, const double maximumWavelength, const double minimumAmplitude, const double maximumAmplitude, std::uniform_real_distribution<> &uniformDist, std::mt19937 &mt)
std::unique_ptr< QgsAbstractGeometry >	roundWavesRandomizedPrivate (const QgsAbstractGeometry *geom, double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, std::uniform_real_distribution<> &uniformDist, std::mt19937 &mt)
double	squareness (QgsLineString *ring, double lowerThreshold, double upperThreshold)
std::unique_ptr< QgsLineString >	squareWavesAlongLine (const QgsLineString *line, double wavelength, const double amplitude, const bool strictWavelength)
std::unique_ptr< QgsAbstractGeometry >	squareWavesPrivate (const QgsAbstractGeometry *geom, double wavelength, double amplitude, bool strictWavelength)
std::unique_ptr< QgsLineString >	squareWavesRandomizedAlongLine (const QgsLineString *line, const double minimumWavelength, const double maximumWavelength, const double minimumAmplitude, const double maximumAmplitude, std::uniform_real_distribution<> &uniformDist, std::mt19937 &mt)
std::unique_ptr< QgsAbstractGeometry >	squareWavesRandomizedPrivate (const QgsAbstractGeometry *geom, double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, std::uniform_real_distribution<> &uniformDist, std::mt19937 &mt)
std::unique_ptr< QgsLineString >	triangularWavesAlongLine (const QgsLineString *line, double wavelength, const double amplitude, const bool strictWavelength)
std::unique_ptr< QgsAbstractGeometry >	triangularWavesPrivate (const QgsAbstractGeometry *geom, double wavelength, double amplitude, bool strictWavelength)
std::unique_ptr< QgsLineString >	triangularWavesRandomizedAlongLine (const QgsLineString *line, const double minimumWavelength, const double maximumWavelength, const double minimumAmplitude, const double maximumAmplitude, std::uniform_real_distribution<> &uniformDist, std::mt19937 &mt)
std::unique_ptr< QgsAbstractGeometry >	triangularWavesRandomizedPrivate (const QgsAbstractGeometry *geom, double minimumWavelength, double maximumWavelength, double minimumAmplitude, double maximumAmplitude, std::uniform_real_distribution<> &uniformDist, std::mt19937 &mt)

Enumeration Type Documentation

◆ Direction

enum class Direction

strong

Enumerator
Up
Right
Down
Left
None

Definition at line 54 of file qgsinternalgeometryengine.cpp.

Function Documentation

◆ applyDashPatternPrivate()

std::unique_ptr< QgsAbstractGeometry > applyDashPatternPrivate	(	const QgsAbstractGeometry *	geom,
		const QVector< double > &	pattern,
		Qgis::DashPatternLineEndingRule	startRule,
		Qgis::DashPatternLineEndingRule	endRule,
		Qgis::DashPatternSizeAdjustment	adjustment,
		double	patternOffset )

Definition at line 3092 of file qgsinternalgeometryengine.cpp.

◆ calcMotion()

QgsVector calcMotion	(	const QgsPoint &	a,
		const QgsPoint &	b,
		const QgsPoint &	c,
		double	lowerThreshold,
		double	upperThreshold )

Definition at line 505 of file qgsinternalgeometryengine.cpp.

◆ convertGeometryToCurves()

std::unique_ptr< QgsAbstractGeometry > convertGeometryToCurves	(	const QgsAbstractGeometry *	geom,
		double	distanceTolerance,
		double	angleTolerance )

Definition at line 1749 of file qgsinternalgeometryengine.cpp.

◆ dashPatternAlongLine()

std::unique_ptr< QgsMultiLineString > dashPatternAlongLine	(	const QgsLineString *	line,
		const QVector< double > &	pattern,
		Qgis::DashPatternLineEndingRule	startRule,
		Qgis::DashPatternLineEndingRule	endRule,
		Qgis::DashPatternSizeAdjustment	adjustment,
		double	patternOffset )

Definition at line 2858 of file qgsinternalgeometryengine.cpp.

◆ densifyGeometry()

QgsAbstractGeometry * densifyGeometry	(	const QgsAbstractGeometry *	geom,
		int	extraNodesPerSegment = 1,
		double	distance = 1 )

Definition at line 771 of file qgsinternalgeometryengine.cpp.

◆ doDensify()

QgsLineString * doDensify	(	const QgsLineString *	ring,
		int	extraNodesPerSegment = -1,
		double	distance = 1 )

Definition at line 680 of file qgsinternalgeometryengine.cpp.

◆ doOrthogonalize()

QgsLineString * doOrthogonalize	(	QgsLineString *	ring,
		int	iterations,
		double	tolerance,
		double	lowerThreshold,
		double	upperThreshold )

Definition at line 540 of file qgsinternalgeometryengine.cpp.

◆ dotProductWithinAngleTolerance()

bool dotProductWithinAngleTolerance	(	double	dotProduct,
		double	lowerThreshold,
		double	upperThreshold )

Definition at line 443 of file qgsinternalgeometryengine.cpp.

◆ generateSegmentCurve()

QVector< QgsPointXY > generateSegmentCurve	(	const QgsPoint &	center1,
		const double	radius1,
		const QgsPoint &	center2,
		const double	radius2 )

Definition at line 1030 of file qgsinternalgeometryengine.cpp.

◆ getEdgeDirection()

Direction getEdgeDirection	(	const QgsPoint &	p1,
		const QgsPoint &	p2,
		double	maxDev )

Determines the direction of an edge from p1 to p2.

maxDev is the tangent of the maximum allowed edge deviation angle. If the edge deviates more than the allowed angle, Direction::None will be returned.

Definition at line 68 of file qgsinternalgeometryengine.cpp.

◆ getEdgeDirections()

std::pair< bool, std::array< Direction, 4 > > getEdgeDirections	(	const QgsPolygon *	g,
		double	maxDev )

Checks whether the polygon consists of four nearly axis-parallel sides.

All consecutive edges having the same direction are considered to belong to the same side.

Definition at line 95 of file qgsinternalgeometryengine.cpp.

◆ isClockwise()

bool isClockwise ( std::array< Direction, 4 > dirs )

Checks whether the 4 directions in dirs make up a clockwise rectangle.

Definition at line 147 of file qgsinternalgeometryengine.cpp.

◆ isCounterClockwise()

bool isCounterClockwise ( std::array< Direction, 4 > dirs )

Checks whether the 4 directions in dirs make up a counter-clockwise rectangle.

Definition at line 157 of file qgsinternalgeometryengine.cpp.

◆ lineToCurve()

std::unique_ptr< QgsCurve > lineToCurve	(	const QgsCurve *	curve,
		double	distanceTolerance,
		double	pointSpacingAngleTolerance )

Definition at line 1517 of file qgsinternalgeometryengine.cpp.

◆ matchesOrientation()

bool matchesOrientation	(	std::array< Direction, 4 >	dirs,
		std::array< Direction, 4 >	oriented )

Definition at line 133 of file qgsinternalgeometryengine.cpp.

◆ normalizedDotProduct()

double normalizedDotProduct	(	const QgsPoint &	a,
		const QgsPoint &	b,
		const QgsPoint &	c )

Definition at line 448 of file qgsinternalgeometryengine.cpp.

◆ orthogonalizeGeom()

QgsAbstractGeometry * orthogonalizeGeom	(	const QgsAbstractGeometry *	geom,
		int	maxIterations,
		double	tolerance,
		double	lowerThreshold,
		double	upperThreshold )

Definition at line 612 of file qgsinternalgeometryengine.cpp.

◆ randomPointsInPolygonGeosBackend()

QVector< QgsPointXY > randomPointsInPolygonGeosBackend	(	const QgsAbstractGeometry *	geometry,
		int	count,
		const std::function< bool(const QgsPointXY &) > &	acceptPoint,
		unsigned long	seed,
		QgsFeedback *	feedback,
		int	maxTriesPerPoint,
		QString &	error )

Definition at line 1379 of file qgsinternalgeometryengine.cpp.

◆ randomPointsInPolygonPoly2TriBackend()

QVector< QgsPointXY > randomPointsInPolygonPoly2TriBackend	(	const QgsAbstractGeometry *	geometry,
		int	count,
		const std::function< bool(const QgsPointXY &) > &	acceptPoint,
		unsigned long	seed,
		QgsFeedback *	feedback,
		int	maxTriesPerPoint,
		QString &	error )

Definition at line 1235 of file qgsinternalgeometryengine.cpp.

◆ roundWavesAlongLine()

std::unique_ptr< QgsLineString > roundWavesAlongLine	(	const QgsLineString *	line,
		double	wavelength,
		const double	amplitude,
		const bool	strictWavelength )

Definition at line 2456 of file qgsinternalgeometryengine.cpp.

◆ roundWavesPrivate()

std::unique_ptr< QgsAbstractGeometry > roundWavesPrivate	(	const QgsAbstractGeometry *	geom,
		double	wavelength,
		double	amplitude,
		bool	strictWavelength )

Definition at line 2714 of file qgsinternalgeometryengine.cpp.

◆ roundWavesRandomizedAlongLine()

std::unique_ptr< QgsLineString > roundWavesRandomizedAlongLine	(	const QgsLineString *	line,
		const double	minimumWavelength,
		const double	maximumWavelength,
		const double	minimumAmplitude,
		const double	maximumAmplitude,
		std::uniform_real_distribution<> &	uniformDist,
		std::mt19937 &	mt )

Definition at line 2575 of file qgsinternalgeometryengine.cpp.

◆ roundWavesRandomizedPrivate()

std::unique_ptr< QgsAbstractGeometry > roundWavesRandomizedPrivate	(	const QgsAbstractGeometry *	geom,
		double	minimumWavelength,
		double	maximumWavelength,
		double	minimumAmplitude,
		double	maximumAmplitude,
		std::uniform_real_distribution<> &	uniformDist,
		std::mt19937 &	mt )

Definition at line 2745 of file qgsinternalgeometryengine.cpp.

◆ squareness()

double squareness	(	QgsLineString *	ring,
		double	lowerThreshold,
		double	upperThreshold )

Definition at line 461 of file qgsinternalgeometryengine.cpp.

◆ squareWavesAlongLine()

std::unique_ptr< QgsLineString > squareWavesAlongLine	(	const QgsLineString *	line,
		double	wavelength,
		const double	amplitude,
		const bool	strictWavelength )

Definition at line 2160 of file qgsinternalgeometryengine.cpp.

◆ squareWavesPrivate()

std::unique_ptr< QgsAbstractGeometry > squareWavesPrivate	(	const QgsAbstractGeometry *	geom,
		double	wavelength,
		double	amplitude,
		bool	strictWavelength )

Definition at line 2312 of file qgsinternalgeometryengine.cpp.

◆ squareWavesRandomizedAlongLine()

std::unique_ptr< QgsLineString > squareWavesRandomizedAlongLine	(	const QgsLineString *	line,
		const double	minimumWavelength,
		const double	maximumWavelength,
		const double	minimumAmplitude,
		const double	maximumAmplitude,
		std::uniform_real_distribution<> &	uniformDist,
		std::mt19937 &	mt )

Definition at line 2233 of file qgsinternalgeometryengine.cpp.

◆ squareWavesRandomizedPrivate()

std::unique_ptr< QgsAbstractGeometry > squareWavesRandomizedPrivate	(	const QgsAbstractGeometry *	geom,
		double	minimumWavelength,
		double	maximumWavelength,
		double	minimumAmplitude,
		double	maximumAmplitude,
		std::uniform_real_distribution<> &	uniformDist,
		std::mt19937 &	mt )

Definition at line 2343 of file qgsinternalgeometryengine.cpp.

◆ triangularWavesAlongLine()

std::unique_ptr< QgsLineString > triangularWavesAlongLine	(	const QgsLineString *	line,
		double	wavelength,
		const double	amplitude,
		const bool	strictWavelength )

Definition at line 1882 of file qgsinternalgeometryengine.cpp.

◆ triangularWavesPrivate()

std::unique_ptr< QgsAbstractGeometry > triangularWavesPrivate	(	const QgsAbstractGeometry *	geom,
		double	wavelength,
		double	amplitude,
		bool	strictWavelength )

Definition at line 2016 of file qgsinternalgeometryengine.cpp.

◆ triangularWavesRandomizedAlongLine()

std::unique_ptr< QgsLineString > triangularWavesRandomizedAlongLine	(	const QgsLineString *	line,
		const double	minimumWavelength,
		const double	maximumWavelength,
		const double	minimumAmplitude,
		const double	maximumAmplitude,
		std::uniform_real_distribution<> &	uniformDist,
		std::mt19937 &	mt )

Definition at line 1946 of file qgsinternalgeometryengine.cpp.

◆ triangularWavesRandomizedPrivate()

std::unique_ptr< QgsAbstractGeometry > triangularWavesRandomizedPrivate	(	const QgsAbstractGeometry *	geom,
		double	minimumWavelength,
		double	maximumWavelength,
		double	minimumAmplitude,
		double	maximumAmplitude,
		std::uniform_real_distribution<> &	uniformDist,
		std::mt19937 &	mt )

Definition at line 2047 of file qgsinternalgeometryengine.cpp.

Enumerations

Functions