472 lines
17 KiB
C++
472 lines
17 KiB
C++
/***************************************************************************
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* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2002 *
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* Copyright (c) Luke Parry (l.parry@warwick.ac.uk) 2013 *
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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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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <sstream>
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#endif
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#include <HLRBRep_Algo.hxx>
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#include <TopoDS_Shape.hxx>
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#include <HLRTopoBRep_OutLiner.hxx>
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//#include <BRepAPI_MakeOutLine.hxx>
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#include <HLRAlgo_Projector.hxx>
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#include <HLRBRep_ShapeBounds.hxx>
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#include <HLRBRep_HLRToShape.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Dir.hxx>
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#include <Poly_Polygon3D.hxx>
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#include <Poly_Triangulation.hxx>
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#include <Poly_PolygonOnTriangulation.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Edge.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopExp.hxx>
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#include <TopExp_Explorer.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <BRep_Tool.hxx>
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#include <Base/BoundBox.h>
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include <Base/FileInfo.h>
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#include <Mod/Part/App/PartFeature.h>
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#include "Geometry.h"
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#include "DrawViewPart.h"
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//#include "ProjectionAlgos.h"
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#include "DrawHatch.h"
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//#include "DrawViewDimension.h"
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using namespace TechDraw;
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using namespace std;
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//===========================================================================
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// DrawViewPart
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//===========================================================================
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Base::Vector3d _getValidXDir(const DrawViewPart *me);
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App::PropertyFloatConstraint::Constraints DrawViewPart::floatRange = {0.01f,5.0f,0.05f};
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PROPERTY_SOURCE(TechDraw::DrawViewPart, TechDraw::DrawView)
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DrawViewPart::DrawViewPart(void) : geometryObject(0)
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{
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static const char *group = "Shape view";
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static const char *vgroup = "Drawing view";
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ADD_PROPERTY_TYPE(Direction ,(0,0,1.0) ,group,App::Prop_None,"Projection normal direction");
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ADD_PROPERTY_TYPE(Source ,(0),group,App::Prop_None,"3D Shape to view");
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ADD_PROPERTY_TYPE(ShowHiddenLines ,(false),group,App::Prop_None,"Control the appearance of the dashed hidden lines");
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ADD_PROPERTY_TYPE(ShowSmoothLines ,(false),group,App::Prop_None,"Control the appearance of the smooth lines");
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ADD_PROPERTY_TYPE(LineWidth,(0.7f),vgroup,App::Prop_None,"The thickness of the resulting lines");
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ADD_PROPERTY_TYPE(HiddenWidth,(0.15),vgroup,App::Prop_None,"The thickness of the hidden lines, if enabled");
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ADD_PROPERTY_TYPE(Tolerance,(0.05f),vgroup,App::Prop_None,"The tessellation tolerance");
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Tolerance.setConstraints(&floatRange);
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ADD_PROPERTY_TYPE(XAxisDirection ,(1,0,0) ,group,App::Prop_None,"X-Axis direction");
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//ADD_PROPERTY_TYPE(HatchAreas ,(0),vgroup,App::Prop_None,"Hatched areas of this view");
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geometryObject = new TechDrawGeometry::GeometryObject();
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}
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DrawViewPart::~DrawViewPart()
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{
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delete geometryObject;
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}
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App::DocumentObjectExecReturn *DrawViewPart::execute(void)
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{
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App::DocumentObject *link = Source.getValue();
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if (!link) {
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return new App::DocumentObjectExecReturn("FVP - No Source object linked");
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}
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if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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return new App::DocumentObjectExecReturn("FVP - Linked object is not a Part object");
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}
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TopoDS_Shape shape = static_cast<Part::Feature*>(link)->Shape.getShape()._Shape;
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if (shape.IsNull()) {
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return new App::DocumentObjectExecReturn("FVP - Linked shape object is empty");
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}
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try {
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geometryObject->setTolerance(Tolerance.getValue());
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geometryObject->setScale(Scale.getValue());
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geometryObject->extractGeometry(shape,
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Direction.getValue(),
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ShowHiddenLines.getValue(),
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_getValidXDir(this));
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bbox = geometryObject->calcBoundingBox();
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touch();
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}
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catch (Standard_Failure) {
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Handle_Standard_Failure e = Standard_Failure::Caught();
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return new App::DocumentObjectExecReturn(e->GetMessageString());
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}
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// There is a guaranteed change so check any references linked to this and touch
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// We need to update all views pointing at this (ProjectionGroup, ClipGroup, etc)
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std::vector<App::DocumentObject*> parent = getInList();
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for (std::vector<App::DocumentObject*>::iterator it = parent.begin(); it != parent.end(); ++it) {
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if ((*it)->getTypeId().isDerivedFrom(DrawView::getClassTypeId())) {
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TechDraw::DrawView *view = static_cast<TechDraw::DrawView *>(*it);
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view->touch();
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}
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}
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return DrawView::execute();
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}
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short DrawViewPart::mustExecute() const
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{
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short result = (Direction.isTouched() ||
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XAxisDirection.isTouched() ||
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Source.isTouched() ||
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Scale.isTouched() ||
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ScaleType.isTouched() ||
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ShowHiddenLines.isTouched());
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return result;
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}
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void DrawViewPart::onChanged(const App::Property* prop)
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{
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if (!isRestoring()) {
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if (prop == &Direction ||
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prop == &XAxisDirection ||
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prop == &Source ||
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prop == &Scale ||
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prop == &ScaleType ||
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prop == &ShowHiddenLines) {
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try {
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App::DocumentObjectExecReturn *ret = recompute();
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delete ret;
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}
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catch (...) {
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}
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}
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}
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DrawView::onChanged(prop);
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//TODO: when scale changes, any Dimensions for this View sb recalculated.
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}
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#if 0
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int DrawViewPart::addHatch(App::DocumentObject *docObj)
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{
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if(!docObj->isDerivedFrom(TechDraw::DrawHatch::getClassTypeId()))
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return -1;
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const std::vector<App::DocumentObject *> currAreas = HatchAreas.getValues();
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std::vector<App::DocumentObject *> newAreas(currAreas);
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newAreas.push_back(docObj);
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HatchAreas.setValues(newAreas);
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HatchAreas.touch();
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return HatchAreas.getSize();
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}
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int DrawViewPart::removeHatch(App::DocumentObject *docObj)
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{
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if(!docObj->isDerivedFrom(TechDraw::DrawHatch::getClassTypeId()))
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return -1;
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const std::vector<App::DocumentObject*> currAreas = HatchAreas.getValues();
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std::vector<App::DocumentObject*> newAreas;
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std::vector<App::DocumentObject*>::const_iterator it = currAreas.begin();
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for (; it != currAreas.end(); it++) {
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std::string areaName = docObj->getNameInDocument();
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if (areaName.compare((*it)->getNameInDocument()) != 0) {
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newAreas.push_back((*it));
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}
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}
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HatchAreas.setValues(newAreas);
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HatchAreas.touch();
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return HatchAreas.getSize();
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}
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#endif
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std::vector<TechDraw::DrawHatch*> DrawViewPart::getHatches() const
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{
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std::vector<TechDraw::DrawHatch*> result;
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std::vector<App::DocumentObject*> children = getInList();
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for (std::vector<App::DocumentObject*>::iterator it = children.begin(); it != children.end(); ++it) {
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if ((*it)->getTypeId().isDerivedFrom(DrawHatch::getClassTypeId())) {
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TechDraw::DrawHatch* hatch = dynamic_cast<TechDraw::DrawHatch*>(*it);
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result.push_back(hatch);
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}
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}
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return result;
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}
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const std::vector<TechDrawGeometry::Vertex *> & DrawViewPart::getVertexGeometry() const
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{
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return geometryObject->getVertexGeometry();
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}
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const std::vector<int> & DrawViewPart::getVertexReferences() const
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{
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return geometryObject->getVertexRefs();
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}
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const std::vector<TechDrawGeometry::Face *> & DrawViewPart::getFaceGeometry() const
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{
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return geometryObject->getFaceGeometry();
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}
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const std::vector<int> & DrawViewPart::getFaceReferences() const
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{
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return geometryObject->getFaceRefs();
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}
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const std::vector<TechDrawGeometry::BaseGeom *> & DrawViewPart::getEdgeGeometry() const
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{
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return geometryObject->getEdgeGeometry();
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}
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const std::vector<int> & DrawViewPart::getEdgeReferences() const
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{
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return geometryObject->getEdgeRefs();
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}
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//! project Source Edge(idx) to 2D BaseGeom
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TechDrawGeometry::BaseGeom *DrawViewPart::getCompleteEdge(int idx) const
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{
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//NOTE: idx is in fact a Reference to an Edge in Source
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//returns projection of ref'd Edge as BaseGeom. Why not just use existing BaseGeom(idx)?
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App::DocumentObject* link = Source.getValue();
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if (!link || !link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
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return 0;
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const Part::TopoShape &topoShape = static_cast<Part::Feature*>(link)->Shape.getShape();
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std::stringstream str;
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str << "Edge" << idx;
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TopoDS_Shape shape = topoShape.getSubShape(str.str().c_str());
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const TopoDS_Shape &support = static_cast<Part::Feature*>(link)->Shape.getValue();
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//TODO: make sure prjShape gets deleted
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TechDrawGeometry::BaseGeom* prjShape = 0;
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try {
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prjShape = geometryObject->projectEdge(shape, support, Direction.getValue(), _getValidXDir(this));
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}
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catch(Standard_Failure) {
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Base::Console().Error("getCompleteEdge - OCC Error - could not project Edge: %d\n",idx);
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return 0;
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}
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catch (exception& e) {
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Base::Console().Error("getCompleteEdge - unknown exception on Edge: %d - %s\n",idx,e.what());
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return 0;
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}
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catch(...) {
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Base::Console().Error("getCompleteEdge - unknown error on Edge: %d\n",idx);
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return 0;
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}
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return prjShape;
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}
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//! project Source Vertex(idx) to 2D geometry
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TechDrawGeometry::Vertex * DrawViewPart::getVertex(int idx) const
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{
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//## Get the Part Link ##/
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App::DocumentObject* link = Source.getValue();
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if (!link || !link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
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return 0;
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const Part::TopoShape &topoShape = static_cast<Part::Feature*>(link)->Shape.getShape();
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std::stringstream str;
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str << "Vertex" << idx;
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TopoDS_Shape shape = topoShape.getSubShape(str.str().c_str());
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const TopoDS_Shape &support = static_cast<Part::Feature*>(link)->Shape.getValue();
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//TODO: Make sure prjShape gets deleted
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TechDrawGeometry::Vertex *prjShape = geometryObject->projectVertex(shape, support, Direction.getValue(), _getValidXDir(this));
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//Base::Console().Log("vert %f, %f \n", prjShape->pnt.fX, prjShape->pnt.fY);
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return prjShape;
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}
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TechDrawGeometry::Vertex* DrawViewPart::getVertexGeomByRef(int ref) const
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{
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const std::vector<TechDrawGeometry::Vertex *> &verts = getVertexGeometry();
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if (verts.empty()) {
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Base::Console().Log("INFO - getVertexGeomByRef(%d) - no Vertex Geometry. Probably restoring?\n",ref);
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return NULL;
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}
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const std::vector<int> &vertRefs = getVertexReferences();
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std::vector<TechDrawGeometry::Vertex *>::const_iterator vert = verts.begin();
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bool found = false;
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for(int i = 0 ; vert != verts.end(); ++vert, i++) {
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if (vertRefs[i] == ref) {
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found = true;
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break;
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}
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}
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if (found) {
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return (*vert);
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} else {
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std::stringstream error;
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error << "getVertexGeomByRef: no vertex geometry for ref: " << ref;
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throw Base::Exception(error.str().c_str());
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}
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}
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//! returns existing BaseGeom of Edge with 3D Reference = ref
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TechDrawGeometry::BaseGeom* DrawViewPart::getEdgeGeomByRef(int ref) const
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{
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const std::vector<TechDrawGeometry::BaseGeom *> &geoms = getEdgeGeometry();
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if (geoms.empty()) {
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Base::Console().Log("INFO - getEdgeGeomByRef(%d) - no Edge Geometry. Probably restoring?\n",ref);
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return NULL;
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}
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const std::vector<int> &refs = getEdgeReferences();
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std::vector<TechDrawGeometry::BaseGeom*>::const_iterator it = geoms.begin();
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bool found = false;
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for(int i = 0 ; it != geoms.end(); ++it, i++) {
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if (refs[i] == ref) {
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found = true;
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break;
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}
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}
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if (found) {
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return (*it);
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} else {
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std::stringstream error;
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error << "getEdgeGeomByRef: no edge geometry for ref: " << ref;
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throw Base::Exception(error.str().c_str());
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}
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}
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//! returns existing BaseGeom of 2D Edge(idx)
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TechDrawGeometry::BaseGeom* DrawViewPart::getProjEdgeByIndex(int idx) const
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{
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const std::vector<TechDrawGeometry::BaseGeom *> &geoms = getEdgeGeometry();
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if (geoms.empty()) {
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Base::Console().Log("INFO - getProjEdgeByIndex(%d) - no Edge Geometry. Probably restoring?\n",idx);
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return NULL;
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}
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return geoms[idx];
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}
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//! returns existing geometry of 2D Vertex(idx)
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TechDrawGeometry::Vertex* DrawViewPart::getProjVertexByIndex(int idx) const
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{
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const std::vector<TechDrawGeometry::Vertex *> &geoms = getVertexGeometry();
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if (geoms.empty()) {
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Base::Console().Log("INFO - getProjVertexByIndex(%d) - no Vertex Geometry. Probably restoring?\n",idx);
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return NULL;
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}
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return geoms[idx];
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}
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int DrawViewPart::getEdgeRefByIndex(int idx) const
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{
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const std::vector<int> &refs = getEdgeReferences();
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if (refs.empty()) {
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Base::Console().Log("INFO - getEdgeRefByIndex(%d) - no Edge Geometry. Probably restoring?\n",idx);
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return -1;
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}
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return refs[idx];
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}
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int DrawViewPart::getVertexRefByIndex(int idx) const
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{
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const std::vector<int> &refs = getVertexReferences();
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if (refs.empty()) {
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Base::Console().Log("INFO - getVertexRefByIndex(%d) - no Vertex Geometry. Probably restoring?\n",idx);
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return -1;
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}
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return refs[idx];
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}
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Base::BoundBox3d DrawViewPart::getBoundingBox() const
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{
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return bbox;
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}
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bool DrawViewPart::hasGeometry(void) const
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{
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bool result = false;
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const std::vector<TechDrawGeometry::Vertex*> &verts = getVertexGeometry();
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const std::vector<TechDrawGeometry::BaseGeom*> &edges = getEdgeGeometry();
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if (verts.empty() &&
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edges.empty() ) {
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result = false;
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} else {
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result = true;
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}
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return result;
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}
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Base::Vector3d _getValidXDir(const DrawViewPart *me)
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{
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Base::Vector3d xDir = me->XAxisDirection.getValue();
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if (xDir.Length() == 0) {
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Base::Console().Warning("XAxisDirection has zero length - using (1,0,0)\n");
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xDir = Base::Vector3d(1.0,0.0,0.0);
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}
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return xDir;
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}
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void DrawViewPart::dumpVertexRefs(char* text) const
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{
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Base::Console().Message("DUMP - %s\n",text);
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const std::vector<int> &refs = getVertexReferences();
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std::vector<int>::const_iterator it = refs.begin();
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int i = 0;
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for( ; it != refs.end(); it++, i++) {
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Base::Console().Message("DUMP - Vertex: %d ref: %d\n",i,(*it));
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}
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}
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// Python Drawing feature ---------------------------------------------------------
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namespace App {
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/// @cond DOXERR
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PROPERTY_SOURCE_TEMPLATE(TechDraw::DrawViewPartPython, TechDraw::DrawViewPart)
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template<> const char* TechDraw::DrawViewPartPython::getViewProviderName(void) const {
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return "TechDrawGui::ViewProviderView";
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}
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/// @endcond
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// explicit template instantiation
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template class TechDrawExport FeaturePythonT<TechDraw::DrawViewPart>;
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}
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