///////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2002-2016, Open Design Alliance (the "Alliance").
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// All rights reserved.
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//
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// This software and its documentation and related materials are owned by
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// the Alliance. The software may only be incorporated into application
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// programs owned by members of the Alliance, subject to a signed
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// Membership Agreement and Supplemental Software License Agreement with the
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// Alliance. The structure and organization of this software are the valuable
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// trade secrets of the Alliance and its suppliers. The software is also
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// protected by copyright law and international treaty provisions. Application
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// programs incorporating this software must include the following statement
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// with their copyright notices:
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//
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// This application incorporates Teigha(R) software pursuant to a license
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// agreement with Open Design Alliance.
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// Teigha(R) Copyright (C) 2002-2016 by Open Design Alliance.
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// All rights reserved.
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//
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// By use of this software, its documentation or related materials, you
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// acknowledge and accept the above terms.
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///////////////////////////////////////////////////////////////////////////////
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#ifndef __ODGIPOLYLINE_H__
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#define __ODGIPOLYLINE_H__
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class OdGeVector3d;
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class OdGeLineSeg2d;
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class OdGeLineSeg3d;
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class OdGeCircArc2d;
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class OdGeCircArc3d;
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#include "TD_PackPush.h"
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#include "Gi/GiExport.h"
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/** \details
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This class implements the OdGi equivalent of an OdDbPolyline or "lightweight" polyline.
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\remarks
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Instances of this class are used to pass lightweight polyline data through the
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Teigha vectorization framework.
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<group OdGi_Classes>
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*/
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class ODGI_EXPORT OdGiPolyline : public OdRxObject
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{
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public:
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ODRX_DECLARE_MEMBERS(OdGiPolyline);
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enum SegType
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{
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kLine, // Straight segment with length greater than 0.
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kArc, // Arc segment with length greater than 0.
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kCoincident, // Segment with 0 length.
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kPoint, // Polyline with a single vertex.
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kEmpty // No vertices are present.
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};
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/** \details
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Returns the number of vertices in the entity.
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*/
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virtual unsigned int numVerts() const = 0;
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/** \details
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Returns true if this polyline is closed, false otherwise.
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*/
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virtual bool isClosed() const = 0;
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/** \details
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Returns the normal vector for this entity.
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*/
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virtual OdGeVector3d normal() const = 0;
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/** \details
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Returns the thickness for this entity.
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*/
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virtual double thickness() const = 0;
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/** \details
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Returns the constant width for this entity.
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*/
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virtual double getConstantWidth() const = 0;
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/** \details
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Returns true if the vertices in this entity contain start and end width data, false otherwise.
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*/
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virtual bool hasWidth() const = 0;
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/** \details
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Returns the PLINEGEN flag for this entity. If PLINEGEN is true,
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linetype generation will be patterned across the entire polyline, rather than
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being done for each segment individually.
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*/
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virtual bool hasPlinegen() const = 0;
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/** \details
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Returns the elevation for this entity.
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*/
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virtual double elevation() const = 0;
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/** \details
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Returns the segment type at the specified index.
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\sa
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SegType
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*/
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virtual SegType segType(unsigned int index) const = 0;
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/** \details
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*/
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virtual void getLineSegAt(unsigned int index, OdGeLineSeg2d& ln) const = 0;
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/** \details
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Returns the line segment starting at the specified index.
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*/
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virtual void getLineSegAt(unsigned int index, OdGeLineSeg3d& ln) const = 0;
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/** \details
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Returns the arc segment starting at the specified index.
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*/
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virtual void getArcSegAt(unsigned int index, OdGeCircArc2d& arc) const = 0;
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virtual void getArcSegAt(unsigned int index, OdGeCircArc3d& arc) const = 0;
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/** \details
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Returns a specified point from this entity.
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*/
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virtual void getPointAt(unsigned int index, OdGePoint2d& pt) const = 0;
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/** \details
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Returns the bulge value for a specified point.
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*/
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virtual double getBulgeAt(unsigned int index) const = 0;
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/** \details
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Returns the start and end widths for a specified point.
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*/
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virtual void getWidthsAt(unsigned int index, double& startWidth, double& endWidth) const = 0;
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/** \details
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Returns the original OdDbPolyline object from which this OdGiPolyline was
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created.
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*/
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virtual OdRxObjectPtr getDbPolyline() const = 0;
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};
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typedef OdSmartPtr<OdGiPolyline> OdGiPolylinePtr;
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#include "TD_PackPop.h"
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#endif // __ODGIPOLYLINE_H__
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