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RPolyline Class Reference

Low-level mathematical representation of an open polyline or closed polyline (= polygon). More...

#include <RPolyline.h>

Inheritance diagram for RPolyline:
RShape RExplodable RDirected RLeaderData RPolylineData RSolidData RTraceData

List of all members.

Public Member Functions

void appendShape (const RShape &shape)
void appendVertex (const RVector &vertex, double bulge=0.0)
void clear ()
virtual RPolylineclone () const
bool contains (const RVector &point, bool borderIsInside=false, double tolerance=RS::PointTolerance) const
 Checks if the given point is inside this closed polygon.
int countSegments () const
int countVertices () const
virtual RBox getBoundingBox () const
double getBulgeAt (int i) const
QList< double > getBulges () const
virtual QList< RVectorgetCenterPoints () const
virtual double getDirection1 () const
virtual double getDirection2 () const
virtual RVector getEndPoint () const
virtual QList< RVectorgetEndPoints () const
virtual QList< QSharedPointer
< RShape > > 
getExploded (int segments=RDEFAULT_MIN1) const
RVector getLastVertex () const
virtual double getLength () const
virtual QList< RVectorgetMiddlePoints () const
virtual QList< RVectorgetPointsWithDistanceToEnd (double distance, RS::From from=RS::FromAny) const
QSharedPointer< RShapegetSegmentAt (int i) const
virtual RVector getStartPoint () const
virtual QSharedPointer< RShapegetTransformed (const QTransform &transform) const
virtual RS::Ending getTrimEnd (const RVector &coord, const RVector &trimPoint)
virtual RVector getVectorTo (const RVector &point, bool limited=true, double strictRange=RMAXDOUBLE) const
RVector getVertexAt (int i) const
QList< RVectorgetVertices () const
bool hasArcSegments () const
void insertVertex (int index, const RVector &vertex)
bool isClosed () const
virtual bool isInterpolated () const
 Reimplement and return true if this shape relies on interpolation for geometrical operations such as finding intersection points.
bool isLogicallyClosed () const
virtual bool mirror (const RLine &axis)
virtual bool move (const RVector &offset)
void normalize ()
void prependVertex (const RVector &vertex, double bulge=0.0)
void removeLastVertex ()
void removeVertex (int index)
virtual bool reverse ()
virtual bool rotate (double rotation, const RVector &center=RDEFAULT_RVECTOR)
 RPolyline ()
 Copyright (c) 2011-2014 by Andrew Mustun.
 RPolyline (const QList< RVector > &vertices, bool closed)
 Creates a polyline object with the given points.
 RPolyline (const QList< QSharedPointer< RShape > > &segments)
 Creates a polyline from segments (lines or arcs).
virtual bool scale (double scaleFactor, const RVector &center=RDEFAULT_RVECTOR)
virtual bool scale (const RVector &scaleFactors, const RVector &center=RDEFAULT_RVECTOR)
void setBulgeAt (int i, double b)
void setBulges (const QList< double > &b)
void setClosed (bool on)
void setVertexAt (int i, const RVector &v)
void setVertices (const QList< RVector > &vertices)
bool simplify (double angleTolerance=RS::AngleTolerance)
virtual bool stretch (const RPolyline &area, const RVector &offset)
virtual void to2D ()
 Flattens this shape to the X/Y plane.
RPainterPath toPainterPath () const
virtual void trimEndPoint (const RVector &p)
virtual void trimStartPoint (const RVector &p)
virtual ~RPolyline ()
- Public Member Functions inherited from RShape
void dump ()
virtual QList< RVectorfilterOnShape (const QList< RVector > &pointList, bool limited=true, double tolerance=RDEFAULT_TOLERANCE_1E_MIN4) const
virtual bool flipHorizontal ()
virtual bool flipVertical ()
virtual RVector getClosestPointOnShape (const RVector &p, bool limited=true, double strictRange=RMAXDOUBLE) const
virtual double getDistanceTo (const RVector &point, bool limited=true, double strictRange=RMAXDOUBLE) const
QList< RVectorgetIntersectionPoints (const RShape &other, bool limited=true, bool same=false, bool force=false) const
virtual RVector getPointAtPercent (double p) const
virtual RVector getVectorFromEndpointTo (const RVector &point) const
virtual bool intersectsWith (const RShape &other, bool limited=true) const
virtual bool isOnShape (const RVector &point, bool limited=true, double tolerance=RDEFAULT_TOLERANCE_1E_MIN4) const
 RShape ()
virtual bool stretch (const RBox &area, const RVector &offset)
virtual ~RShape ()
- Public Member Functions inherited from RExplodable
virtual ~RExplodable ()
- Public Member Functions inherited from RDirected
virtual double getDistanceFromStart (const RVector &p) const
virtual ~RDirected ()

Static Public Member Functions

static bool isStraight (double bulge)
- Static Public Member Functions inherited from RShape
static const RExplodablecastToExplodable (const RShape *shape)
static QList< RVectorgetIntersectionPoints (const RShape &shape1, const RShape &shape2, bool limited=true, bool same=false, bool force=false)
static QList< RVectorgetIntersectionPointsAA (const RArc &arc1, const RArc &arc2, bool limited=true)
static QList< RVectorgetIntersectionPointsAC (const RArc &arc1, const RCircle &circle2, bool limited=true)
static QList< RVectorgetIntersectionPointsAE (const RArc &arc1, const REllipse &ellipse2, bool limited=true)
static QList< RVectorgetIntersectionPointsAS (const RArc &arc1, const RSpline &spline2, bool limited=true)
static QList< RVectorgetIntersectionPointsAT (const RArc &arc1, const RTriangle &triangle2, bool limited=true)
static QList< RVectorgetIntersectionPointsAX (const RArc &arc1, const RExplodable &explodable2, bool limited=true)
static QList< RVectorgetIntersectionPointsCC (const RCircle &circle1, const RCircle &circle2)
static QList< RVectorgetIntersectionPointsCE (const RCircle &circle1, const REllipse &ellipse2)
static QList< RVectorgetIntersectionPointsCS (const RCircle &circle1, const RSpline &spline2, bool limited=true)
static QList< RVectorgetIntersectionPointsCX (const RCircle &circle1, const RExplodable &explodable2, bool limited=true)
static QList< RVectorgetIntersectionPointsEE (const REllipse &ellipse1, const REllipse &ellipse2)
static QList< RVectorgetIntersectionPointsEE (const REllipse &ellipse1, const REllipse &ellipse2, bool limited)
static QList< RVectorgetIntersectionPointsES (const REllipse &ellipse1, const RSpline &spline2, bool limited=true)
static QList< RVectorgetIntersectionPointsEX (const REllipse &ellipse1, const RExplodable &explodable2, bool limited=true)
static QList< RVectorgetIntersectionPointsLA (const RLine &line1, const RArc &arc2, bool limited=true)
static QList< RVectorgetIntersectionPointsLA (const RLine &line1, const RArc &arc2, bool limited1, bool limited2)
static QList< RVectorgetIntersectionPointsLC (const RLine &line1, const RCircle &circle2, bool limited=true)
static QList< RVectorgetIntersectionPointsLE (const RLine &line1, const REllipse &ellipse2, bool limited=true)
static QList< RVectorgetIntersectionPointsLE (const RLine &line1, const REllipse &ellipse2, bool limited1, bool limited2)
static QList< RVectorgetIntersectionPointsLL (const RLine &line1, const RLine &line2, bool limited=true)
static QList< RVectorgetIntersectionPointsLL (const RLine &line1, const RLine &line2, bool limited1, bool limited2)
static QList< RVectorgetIntersectionPointsLS (const RLine &line1, const RSpline &spline2, bool limited=true)
static QList< RVectorgetIntersectionPointsLT (const RLine &line1, const RTriangle &triangle2, bool limited=true)
static QList< RVectorgetIntersectionPointsLT (const RLine &line1, const RTriangle &triangle2, bool limited1, bool limited2)
static QList< RVectorgetIntersectionPointsLX (const RLine &line1, const RExplodable &explodable2, bool limited=true)
static QList< RVectorgetIntersectionPointsXX (const RExplodable &explodable1, const RExplodable &explodable2, bool limited=true, bool same=false)
static bool order (QList< QList< QSharedPointer< RShape > > > &boundary)
 Orders the given list of loops into a list of closed loops in which all shapes are connected end to start point.

Protected Member Functions

bool isLineSegment (int i) const
void print (QDebug dbg) const

Protected Attributes

QList< double > bulges
bool closed
 Getter function for this property: isClosed.
QList< RVectorvertices
 Getter function for this property: getVertices.

Detailed Description

Low-level mathematical representation of an open polyline or closed polyline (= polygon).

Scriptable:
This class is wrapped for script environments.
Shared Pointer Support:
Script wrappers of this class support wrapping in QSharedPointer.
Copyable:
Script wrappers of this class should pass objects by reference.
Stream Operator:
Script wrappers of this class use the stream operator for the output of toString().

Constructor & Destructor Documentation

RPolyline::RPolyline ( )

Copyright (c) 2011-2014 by Andrew Mustun.

All rights reserved.

This file is part of the QCAD project.

QCAD 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 3 of the License, or (at your option) any later version.

QCAD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with QCAD. Creates a polyline object without points.

RPolyline::RPolyline ( const QList< RVector > &  vertices,
bool  closed 
)

Creates a polyline object with the given points.

RPolyline::RPolyline ( const QList< QSharedPointer< RShape > > &  segments)

Creates a polyline from segments (lines or arcs).

RPolyline::~RPolyline ( )
virtual

Member Function Documentation

void RPolyline::appendShape ( const RShape shape)
void RPolyline::appendVertex ( const RVector vertex,
double  bulge = 0.0 
)

Reimplemented in RPolylineData.

void RPolyline::clear ( )

Reimplemented in RPolylineData.

virtual RPolyline* RPolyline::clone ( ) const
inlinevirtual

Implements RShape.

bool RPolyline::contains ( const RVector point,
bool  borderIsInside = false,
double  tolerance = RS::PointTolerance 
) const

Checks if the given point is inside this closed polygon.

If this polyline is not closed (

See also:
setClosed), false is returned.
int RPolyline::countSegments ( ) const
Returns:
Number of segments. The number of segments equals the number of vertices for a closed polyline and one less for an open polyline.

Reimplemented in RPolylineData, and RLeaderData.

int RPolyline::countVertices ( ) const

Reimplemented in RLeaderData, and RSolidData.

RBox RPolyline::getBoundingBox ( ) const
virtual
Returns:
The bounding box of this shape.

Implements RShape.

double RPolyline::getBulgeAt ( int  i) const

Reimplemented in RPolylineData.

QList< double > RPolyline::getBulges ( ) const
QList< RVector > RPolyline::getCenterPoints ( ) const
virtual
Returns:
The center point(s) of this shape.

Implements RShape.

double RPolyline::getDirection1 ( ) const
virtual

Implements RDirected.

Reimplemented in RPolylineData, and RSolidData.

double RPolyline::getDirection2 ( ) const
virtual

Implements RDirected.

Reimplemented in RPolylineData, and RSolidData.

RVector RPolyline::getEndPoint ( ) const
virtual

Implements RDirected.

Reimplemented in RPolylineData, RLeaderData, and RSolidData.

QList< RVector > RPolyline::getEndPoints ( ) const
virtual
Returns:
The end point(s) of this shape.

Implements RShape.

QList< QSharedPointer< RShape > > RPolyline::getExploded ( int  segments = RDEFAULT_MIN1) const
virtual
Returns:
List of RLines and RArcs describing this polyline.

Implements RExplodable.

RVector RPolyline::getLastVertex ( ) const
double RPolyline::getLength ( ) const
virtual
Returns:
The total length of this shape if applicable or NaN if not.

Implements RShape.

QList< RVector > RPolyline::getMiddlePoints ( ) const
virtual
Returns:
The middle point(s) of this shape.

Implements RShape.

QList< RVector > RPolyline::getPointsWithDistanceToEnd ( double  distance,
RS::From  from = RS::FromAny 
) const
virtual
Returns:
All points on this shape with the given distance to an endpoint.

Implements RShape.

QSharedPointer< RShape > RPolyline::getSegmentAt ( int  i) const
Returns:
Shape of segment at given position.

Reimplemented in RPolylineData.

RVector RPolyline::getStartPoint ( ) const
virtual

Implements RDirected.

Reimplemented in RPolylineData, RLeaderData, and RSolidData.

QSharedPointer< RShape > RPolyline::getTransformed ( const QTransform &  transform) const
virtual

Implements RShape.

RS::Ending RPolyline::getTrimEnd ( const RVector coord,
const RVector trimPoint 
)
virtual
Parameters:
coordClicked coordinate
trimPointTrim start point or end point to this coordinate.

Implements RDirected.

Reimplemented in RSolidData.

RVector RPolyline::getVectorTo ( const RVector point,
bool  limited = true,
double  strictRange = RMAXDOUBLE 
) const
virtual
Returns:
Shortest vector from this shape to the given point.
Parameters:
pointthe given point
limitedIf false, the shape is treaded as an unlimited shape that extends in a logical way. For example an unlimited line for a line, full circle for an arc or a plane for a triangle.

Implements RShape.

RVector RPolyline::getVertexAt ( int  i) const

Reimplemented in RPolylineData, and RSolidData.

QList< RVector > RPolyline::getVertices ( ) const

Reimplemented in RPolylineData.

bool RPolyline::hasArcSegments ( ) const
void RPolyline::insertVertex ( int  index,
const RVector vertex 
)

Reimplemented in RPolylineData.

bool RPolyline::isClosed ( ) const

Reimplemented in RPolylineData.

virtual bool RPolyline::isInterpolated ( ) const
inlinevirtual

Reimplement and return true if this shape relies on interpolation for geometrical operations such as finding intersection points.

E.g. splines.

Reimplemented from RShape.

bool RPolyline::isLineSegment ( int  i) const
protected
Returns:
True if the segment at the given position is a line.
bool RPolyline::isLogicallyClosed ( ) const

Reimplemented in RPolylineData.

bool RPolyline::isStraight ( double  bulge)
static
Returns:
True if the given bulge indicates a straight line segment (i.e. is 0.0).
bool RPolyline::mirror ( const RLine axis)
virtual

Implements RShape.

bool RPolyline::move ( const RVector offset)
virtual

Implements RShape.

void RPolyline::normalize ( )

Reimplemented in RPolylineData.

void RPolyline::prependVertex ( const RVector vertex,
double  bulge = 0.0 
)

Reimplemented in RPolylineData.

void RPolyline::print ( QDebug  dbg) const
protectedvirtual

Reimplemented from RShape.

void RPolyline::removeLastVertex ( )

Reimplemented in RPolylineData.

void RPolyline::removeVertex ( int  index)

Reimplemented in RPolylineData.

bool RPolyline::reverse ( )
virtual

Implements RDirected.

Reimplemented in RPolylineData, and RSolidData.

bool RPolyline::rotate ( double  rotation,
const RVector center = RDEFAULT_RVECTOR 
)
virtual

Implements RShape.

bool RPolyline::scale ( double  scaleFactor,
const RVector center = RDEFAULT_RVECTOR 
)
virtual

Reimplemented from RShape.

bool RPolyline::scale ( const RVector scaleFactors,
const RVector center = RDEFAULT_RVECTOR 
)
virtual

Implements RShape.

void RPolyline::setBulgeAt ( int  i,
double  b 
)

Reimplemented in RPolylineData.

void RPolyline::setBulges ( const QList< double > &  b)
void RPolyline::setClosed ( bool  on)

Reimplemented in RPolylineData.

void RPolyline::setVertexAt ( int  i,
const RVector v 
)
void RPolyline::setVertices ( const QList< RVector > &  vertices)
bool RPolyline::simplify ( double  angleTolerance = RS::AngleTolerance)

Reimplemented in RPolylineData.

bool RPolyline::stretch ( const RPolyline area,
const RVector offset 
)
virtual

Reimplemented from RShape.

void RPolyline::to2D ( )
virtual

Flattens this shape to the X/Y plane.

Implements RShape.

RPainterPath RPolyline::toPainterPath ( ) const
Returns:
A QPainterPath object that represents this polyline.
void RPolyline::trimEndPoint ( const RVector p)
virtual

Implements RDirected.

Reimplemented in RSolidData.

void RPolyline::trimStartPoint ( const RVector p)
virtual

Implements RDirected.

Reimplemented in RSolidData.


Member Data Documentation

QList<double> RPolyline::bulges
protected
bool RPolyline::closed
protected

Getter function for this property: isClosed.

Setter function for this property: setClosed

QList<RVector> RPolyline::vertices
protected

Getter function for this property: getVertices.

Setter function for this property: setVertices


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