/usr/include/qgis/qgsgeometrycollectionv2.h is in libqgis-dev 2.18.17+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgsgeometrycollectionv2.h
-------------------------------------------------------------------
Date : 28 Oct 2014
Copyright : (C) 2014 by Marco Hugentobler
email : marco.hugentobler at sourcepole dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef QGSGEOMETRYCOLLECTIONV2_H
#define QGSGEOMETRYCOLLECTIONV2_H
#include "qgsabstractgeometryv2.h"
#include "qgspointv2.h"
#include <QVector>
/** \ingroup core
* \class QgsGeometryCollectionV2
* \brief Geometry collection
* \note added in QGIS 2.10
* \note this API is not considered stable and may change for 2.12
*/
class CORE_EXPORT QgsGeometryCollectionV2: public QgsAbstractGeometryV2
{
public:
QgsGeometryCollectionV2();
QgsGeometryCollectionV2( const QgsGeometryCollectionV2& c );
QgsGeometryCollectionV2& operator=( const QgsGeometryCollectionV2& c );
virtual ~QgsGeometryCollectionV2();
virtual QgsGeometryCollectionV2* clone() const override;
/** Returns the number of geometries within the collection.
*/
int numGeometries() const;
/** Returns a const reference to a geometry from within the collection.
* @param n index of geometry to return
*/
const QgsAbstractGeometryV2* geometryN( int n ) const;
/** Returns a geometry from within the collection.
* @param n index of geometry to return
*/
QgsAbstractGeometryV2* geometryN( int n );
//methods inherited from QgsAbstractGeometry
virtual int dimension() const override;
virtual QString geometryType() const override { return "GeometryCollection"; }
virtual void clear() override;
virtual QgsAbstractGeometryV2* boundary() const override;
/** Adds a geometry and takes ownership. Returns true in case of success.*/
virtual bool addGeometry( QgsAbstractGeometryV2* g );
/** Inserts a geometry before a specified index and takes ownership. Returns true in case of success.
* @param g geometry to insert. Ownership is transferred to the collection.
* @param index position to insert geometry before
*/
virtual bool insertGeometry( QgsAbstractGeometryV2* g, int index );
/** Removes a geometry from the collection.
* @param nr index of geometry to remove
* @returns true if removal was successful.
*/
virtual bool removeGeometry( int nr );
virtual void transform( const QgsCoordinateTransform& ct, QgsCoordinateTransform::TransformDirection d = QgsCoordinateTransform::ForwardTransform,
bool transformZ = false ) override;
void transform( const QTransform& t ) override;
#if 0
virtual void clip( const QgsRectangle& rect ) override;
#endif
virtual void draw( QPainter& p ) const override;
bool fromWkb( QgsConstWkbPtr wkb ) override;
virtual bool fromWkt( const QString& wkt ) override;
int wkbSize() const override;
unsigned char* asWkb( int& binarySize ) const override;
QString asWkt( int precision = 17 ) const override;
QDomElement asGML2( QDomDocument& doc, int precision = 17, const QString& ns = "gml" ) const override;
QDomElement asGML3( QDomDocument& doc, int precision = 17, const QString& ns = "gml" ) const override;
QString asJSON( int precision = 17 ) const override;
virtual QgsRectangle boundingBox() const override;
virtual QgsCoordinateSequenceV2 coordinateSequence() const override;
virtual int nCoordinates() const override;
virtual double closestSegment( const QgsPointV2& pt, QgsPointV2& segmentPt, QgsVertexId& vertexAfter, bool* leftOf, double epsilon ) const override;
bool nextVertex( QgsVertexId& id, QgsPointV2& vertex ) const override;
//low-level editing
virtual bool insertVertex( QgsVertexId position, const QgsPointV2& vertex ) override;
virtual bool moveVertex( QgsVertexId position, const QgsPointV2& newPos ) override;
virtual bool deleteVertex( QgsVertexId position ) override;
virtual double length() const override;
virtual double area() const override;
virtual double perimeter() const override;
bool hasCurvedSegments() const override;
/** Returns a geometry without curves. Caller takes ownership
* @param tolerance segmentation tolerance
* @param toleranceType maximum segmentation angle or maximum difference between approximation and curve*/
QgsAbstractGeometryV2* segmentize( double tolerance = M_PI_2 / 90, SegmentationToleranceType toleranceType = MaximumAngle ) const override;
/** Returns approximate rotation angle for a vertex. Usually average angle between adjacent segments.
* @param vertex the vertex id
* @return rotation in radians, clockwise from north
*/
double vertexAngle( QgsVertexId vertex ) const override;
virtual int vertexCount( int part = 0, int ring = 0 ) const override { return mGeometries[part]->vertexCount( 0, ring ); }
virtual int ringCount( int part = 0 ) const override { return mGeometries[part]->ringCount(); }
virtual int partCount() const override { return mGeometries.size(); }
virtual QgsPointV2 vertexAt( QgsVertexId id ) const override { return mGeometries[id.part]->vertexAt( id ); }
virtual bool addZValue( double zValue = 0 ) override;
virtual bool addMValue( double mValue = 0 ) override;
virtual bool dropZValue() override;
virtual bool dropMValue() override;
protected:
QVector< QgsAbstractGeometryV2* > mGeometries;
/** Returns whether child type names are omitted from Wkt representations of the collection
* @note added in QGIS 2.12
*/
virtual bool wktOmitChildType() const { return false; }
/** Reads a collection from a WKT string.
*/
bool fromCollectionWkt( const QString &wkt, const QList<QgsAbstractGeometryV2*>& subtypes, const QString& defaultChildWkbType = QString() );
virtual QgsRectangle calculateBoundingBox() const override;
virtual void clearCache() const override { mBoundingBox = QgsRectangle(); mCoordinateSequence.clear(); QgsAbstractGeometryV2::clearCache(); }
private:
mutable QgsRectangle mBoundingBox;
mutable QgsCoordinateSequenceV2 mCoordinateSequence;
};
#endif // QGSGEOMETRYCOLLECTIONV2_H
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