0000439: Improve STEP import to find colors attached to sub-shapes
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5396 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
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wmayer
parent
2d0ff3b8a7
commit
312f2b686d
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@ -37,6 +37,7 @@
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# include <XCAFDoc_DocumentTool.hxx>
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# include <XCAFDoc_ShapeTool.hxx>
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# include <XCAFDoc_ColorTool.hxx>
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# include <XCAFDoc_Location.hxx>
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# include <TDF_Label.hxx>
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# include <TDF_LabelSequence.hxx>
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# include <TDF_ChildIterator.hxx>
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@ -71,6 +72,191 @@
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#include <Mod/Part/App/PartFeature.h>
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#include <Mod/Part/App/ProgressIndicator.h>
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class ImportOCAF
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{
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public:
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ImportOCAF(Handle_TDocStd_Document h, App::Document* d, const std::string& name)
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: pDoc(h), doc(d), default_name(name)
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{
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aShapeTool = XCAFDoc_DocumentTool::ShapeTool (pDoc->Main());
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aColorTool = XCAFDoc_DocumentTool::ColorTool(pDoc->Main());
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}
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void loadShapes();
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private:
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void loadShapes(const TDF_Label& label, const TopLoc_Location&, const std::string& partname, bool isRef);
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void createShape(const TDF_Label& label, const TopLoc_Location&, const std::string&);
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void createShape(const TopoDS_Shape& label, const TopLoc_Location&, const std::string&);
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private:
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Handle_TDocStd_Document pDoc;
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App::Document* doc;
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Handle_XCAFDoc_ShapeTool aShapeTool;
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Handle_XCAFDoc_ColorTool aColorTool;
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std::string default_name;
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std::set<int> myRefShapes;
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static const int HashUpper = INT_MAX;
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};
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void ImportOCAF::loadShapes()
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{
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myRefShapes.clear();
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loadShapes(pDoc->Main(), TopLoc_Location(), default_name, false);
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}
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void ImportOCAF::loadShapes(const TDF_Label& label, const TopLoc_Location& loc, const std::string& defaultname, bool isRef)
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{
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int hash = 0;
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TopoDS_Shape aShape;
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if (aShapeTool->GetShape(label,aShape)) {
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hash = aShape.HashCode(HashUpper);
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}
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Handle(TDataStd_Name) name;
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std::string part_name = defaultname;
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if (label.FindAttribute(TDataStd_Name::GetID(),name)) {
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TCollection_ExtendedString extstr = name->Get();
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char* str = new char[extstr.LengthOfCString()+1];
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extstr.ToUTF8CString(str);
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part_name = str;
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delete [] str;
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if (part_name.empty()) {
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part_name = defaultname;
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}
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else {
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bool ws=true;
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for (std::string::iterator it = part_name.begin(); it != part_name.end(); ++it) {
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if (*it != ' ') {
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ws = false;
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break;
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}
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}
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if (ws)
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part_name = defaultname;
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}
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}
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TopLoc_Location part_loc = loc;
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Handle(XCAFDoc_Location) hLoc;
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if (label.FindAttribute(XCAFDoc_Location::GetID(), hLoc)) {
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part_loc = hLoc->Get();
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}
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#ifdef FC_DEBUG
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Base::Console().Message("H:%d, N:%s, T:%d, A:%d, S:%d, C:%d, SS:%d, F:%d, R:%d, C:%d, SS:%d\n",
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hash,
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part_name.c_str(),
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aShapeTool->IsTopLevel(label),
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aShapeTool->IsAssembly(label),
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aShapeTool->IsShape(label),
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aShapeTool->IsCompound(label),
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aShapeTool->IsSimpleShape(label),
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aShapeTool->IsFree(label),
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aShapeTool->IsReference(label),
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aShapeTool->IsComponent(label),
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aShapeTool->IsSubShape(label)
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);
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#endif
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TDF_Label ref;
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if (aShapeTool->IsReference(label) && aShapeTool->GetReferredShape(label, ref)) {
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loadShapes(ref, part_loc, part_name, true);
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}
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if (isRef || myRefShapes.find(hash) == myRefShapes.end()) {
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TopoDS_Shape aShape;
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if (isRef && aShapeTool->GetShape(label, aShape))
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myRefShapes.insert(aShape.HashCode(HashUpper));
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if (aShapeTool->IsSimpleShape(label) && (isRef || aShapeTool->IsFree(label))) {
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if (isRef)
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createShape( label, loc, defaultname );
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else
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createShape( label, part_loc, part_name );
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}
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else {
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for (TDF_ChildIterator it(label); it.More(); it.Next()) {
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loadShapes(it.Value(), part_loc, part_name, isRef);
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}
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}
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}
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}
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void ImportOCAF::createShape(const TDF_Label& label, const TopLoc_Location& loc, const std::string& name)
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{
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const TopoDS_Shape& aShape = aShapeTool->GetShape(label);
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if (!aShape.IsNull() && aShape.ShapeType() == TopAbs_COMPOUND) {
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TopExp_Explorer xp;
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int ctSolids = 0, ctShells = 0;
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for (xp.Init(aShape, TopAbs_SOLID); xp.More(); xp.Next(), ctSolids++)
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createShape(xp.Current(), loc, name);
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for (xp.Init(aShape, TopAbs_SHELL, TopAbs_SOLID); xp.More(); xp.Next(), ctShells++)
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createShape(xp.Current(), loc, name);
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if (ctSolids > 0 || ctShells > 0)
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return;
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}
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createShape(aShape, loc, name);
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}
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void ImportOCAF::createShape(const TopoDS_Shape& aShape, const TopLoc_Location& loc, const std::string& name)
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{
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Part::Feature* part = static_cast<Part::Feature*>(doc->addObject("Part::Feature"));
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if (!loc.IsIdentity())
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part->Shape.setValue(aShape.Located(loc));
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else
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part->Shape.setValue(aShape);
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part->Label.setValue(name);
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Quantity_Color aColor;
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App::Color color(0.8f,0.8f,0.8f);
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if (aColorTool->GetColor(aShape, XCAFDoc_ColorGen, aColor) ||
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aColorTool->GetColor(aShape, XCAFDoc_ColorSurf, aColor) ||
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aColorTool->GetColor(aShape, XCAFDoc_ColorCurv, aColor)) {
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Gui::ViewProvider* vp = Gui::Application::Instance->getViewProvider(part);
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if (vp && vp->isDerivedFrom(PartGui::ViewProviderPart::getClassTypeId())) {
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color.r = aColor.Red();
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color.g = aColor.Green();
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color.b = aColor.Blue();
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static_cast<PartGui::ViewProviderPart*>(vp)->ShapeColor.setValue(color);
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}
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}
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TopTools_IndexedMapOfShape faces;
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TopExp_Explorer xp(aShape,TopAbs_FACE);
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while (xp.More()) {
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faces.Add(xp.Current());
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xp.Next();
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}
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bool found_face_color = false;
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std::vector<App::Color> faceColors;
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faceColors.resize(faces.Extent(), color);
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xp.Init(aShape,TopAbs_FACE);
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while (xp.More()) {
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if (aColorTool->GetColor(xp.Current(), XCAFDoc_ColorGen, aColor) ||
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aColorTool->GetColor(xp.Current(), XCAFDoc_ColorSurf, aColor) ||
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aColorTool->GetColor(xp.Current(), XCAFDoc_ColorCurv, aColor)) {
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int index = faces.FindIndex(xp.Current());
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color.r = aColor.Red();
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color.g = aColor.Green();
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color.b = aColor.Blue();
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faceColors[index-1] = color;
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found_face_color = true;
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}
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xp.Next();
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}
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if (found_face_color) {
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Gui::ViewProvider* vp = Gui::Application::Instance->getViewProvider(part);
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if (vp && vp->isDerivedFrom(PartGui::ViewProviderPartExt::getClassTypeId())) {
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static_cast<PartGui::ViewProviderPartExt*>(vp)->DiffuseColor.setValues(faceColors);
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}
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}
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}
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class ImportXCAF
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{
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public:
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@ -190,6 +376,12 @@ private:
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{
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TopoDS_Shape aShape;
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if (aShapeTool->GetShape(label,aShape)) {
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//if (aShapeTool->IsReference(label)) {
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// TDF_Label reflabel;
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// if (aShapeTool->GetReferredShape(label, reflabel)) {
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// loadShapes(reflabel);
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// }
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//}
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if (aShapeTool->IsTopLevel(label)) {
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int ctSolids = 0, ctShells = 0, ctComps = 0;
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// add the shapes
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@ -248,6 +440,18 @@ private:
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delete [] str;
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}
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#if 0
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// http://www.opencascade.org/org/forum/thread_15174/
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if (aShapeTool->IsAssembly(label)) {
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TDF_LabelSequence shapeLabels;
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aShapeTool->GetComponents(label, shapeLabels);
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Standard_Integer nbShapes = shapeLabels.Length();
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for (Standard_Integer i = 1; i <= nbShapes; i++) {
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loadShapes(shapeLabels.Value(i));
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}
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}
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#endif
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if (label.HasChild()) {
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TDF_ChildIterator it;
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for (it.Initialize(label); it.More(); it.Next()) {
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@ -313,6 +517,9 @@ static PyObject * importer(PyObject *self, PyObject *args)
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IGESControl_Controller::Init();
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Interface_Static::SetIVal("read.surfacecurve.mode",3);
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IGESCAFControl_Reader aReader;
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aReader.SetColorMode(true);
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aReader.SetNameMode(true);
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aReader.SetLayerMode(true);
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if (aReader.ReadFile((Standard_CString)Name) != IFSelect_RetDone) {
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PyErr_SetString(PyExc_Exception, "cannot read IGES file");
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return 0;
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@ -330,8 +537,13 @@ static PyObject * importer(PyObject *self, PyObject *args)
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return 0;
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}
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#if 1
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ImportOCAF ocaf(hDoc, pcDoc, file.fileNamePure());
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ocaf.loadShapes();
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#else
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ImportXCAF xcaf(hDoc, pcDoc, file.fileNamePure());
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xcaf.loadShapes();
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#endif
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pcDoc->recompute();
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}
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