144 lines
5.3 KiB
C++
144 lines
5.3 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef _TechDraw_DrawViewDimension_h_
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#define _TechDraw_DrawViewDimension_h_
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#include <tuple>
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# include <App/DocumentObject.h>
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# include <App/FeaturePython.h>
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# include <App/PropertyLinks.h>
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#include "DrawView.h"
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class TopoDS_Shape;
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namespace Measure {
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class Measurement;
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}
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namespace TechDraw
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{
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class DrawViewPart;
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struct DimRef {
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DrawViewPart* part;
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std::string sub;
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};
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typedef std::pair<Base::Vector3d,Base::Vector3d> pointPair;
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struct anglePoints {
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pointPair ends;
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Base::Vector3d vertex;
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};
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struct arcPoints {
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bool isArc;
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double radius;
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Base::Vector3d center;
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pointPair onCurve;
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pointPair arcEnds;
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Base::Vector3d midArc;
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bool arcCW;
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};
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class TechDrawExport DrawViewDimension : public TechDraw::DrawView
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{
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PROPERTY_HEADER(TechDraw::DrawViewDimension);
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public:
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/// Constructor
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DrawViewDimension();
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virtual ~DrawViewDimension();
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App::PropertyEnumeration MeasureType; //True/Projected
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App::PropertyLinkSubList References2D; //Points to Projection SubFeatures
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App::PropertyLinkSubList References3D; //Points to 3D Geometry SubFeatures
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App::PropertyEnumeration Type; //DistanceX,DistanceY,Diameter, etc
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App::PropertyString FormatSpec;
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short mustExecute() const;
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bool has2DReferences(void) const;
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bool has3DReferences(void) const;
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/** @name methods override Feature */
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//@{
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/// recalculate the Feature
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virtual App::DocumentObjectExecReturn *execute(void);
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//@}
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/// returns the type name of the ViewProvider
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virtual const char* getViewProviderName(void) const {
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return "TechDrawGui::ViewProviderDimension";
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}
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//return PyObject as DrawViewDimensionPy
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virtual PyObject *getPyObject(void);
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virtual std::string getFormatedValue(bool obtuse = false);
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virtual double getDimValue();
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DrawViewPart* getViewPart() const;
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virtual QRectF getRect() const { return QRectF(0,0,1,1);} //pretend dimensions always fit!
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static int getRefType1(const std::string s);
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static int getRefType2(const std::string s1, const std::string s2);
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int getRefType() const; //Vertex-Vertex, Edge, Edge-Edge
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void setAll3DMeasurement();
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void clear3DMeasurements(void);
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bool checkReferences2D(void) const;
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pointPair getLinearPoints(void) {return m_linearPoints; }
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arcPoints getArcPoints(void) {return m_arcPoints; }
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anglePoints getAnglePoints(void) {return m_anglePoints; }
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bool leaderIntersectsArc(Base::Vector3d s, Base::Vector3d pointOnCircle);
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protected:
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void onChanged(const App::Property* prop);
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virtual void onDocumentRestored();
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bool showUnits() const;
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bool useDecimals() const;
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std::string getPrefix() const;
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std::string getDefaultFormatSpec() const;
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pointPair getPointsOneEdge();
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pointPair getPointsTwoEdges();
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pointPair getPointsTwoVerts();
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pointPair getPointsEdgeVert();
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protected:
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Measure::Measurement *measurement;
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double dist2Segs(Base::Vector2d s1,
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Base::Vector2d e1,
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Base::Vector2d s2,
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Base::Vector2d e2) const;
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pointPair closestPoints(TopoDS_Shape s1,
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TopoDS_Shape s2) const;
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private:
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static const char* TypeEnums[];
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static const char* MeasureTypeEnums[];
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void dumpRefs2D(char* text) const;
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//Dimension "geometry"
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pointPair m_linearPoints;
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arcPoints m_arcPoints;
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anglePoints m_anglePoints;
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};
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} //namespace TechDraw
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#endif
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