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Track the surface style of an IfcBooleanResult

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Thomas Krijnen
2014-11-26 14:32:54 +00:00
parent d88d4d5951
commit 4c976c8b70
1 changed files with 21 additions and 0 deletions
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src/ifcgeom/IfcGeomRenderStyles.h
+21
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@@ -103,6 +103,27 @@ namespace IfcGeom {
template <typename T> std::pair<IfcSchema::IfcSurfaceStyle*, T*> get_surface_style(const IfcSchema::IfcRepresentationItem* representation_item) { template <typename T> std::pair<IfcSchema::IfcSurfaceStyle*, T*> get_surface_style(const IfcSchema::IfcRepresentationItem* representation_item) {
IfcSchema::IfcStyledItem::list::ptr styled_items = representation_item->StyledByItem(); IfcSchema::IfcStyledItem::list::ptr styled_items = representation_item->StyledByItem();
// Preferably this item-specific logic should not be here, but it easier than somehow associating this information
// with a bare TopoDS_Shape. Perhaps the real solution is to 'upgrade' IfcBooleanResult from a SHAPE to SHAPES in
// IfcRegister.h so that surface style information can be tied to actual implementation of the conversion function.
if (styled_items->Size() == 0 && representation_item->is(IfcSchema::Type::IfcBooleanResult)) {
IfcSchema::IfcBooleanResult* boolean_result = (IfcSchema::IfcBooleanResult*) representation_item;
while (true) {
IfcSchema::IfcRepresentationItem* boolean_op = (IfcSchema::IfcRepresentationItem*) boolean_result->FirstOperand();
IfcSchema::IfcStyledItem::list::ptr op_styled_items = boolean_op->StyledByItem();
if (op_styled_items->Size() > 0) {
styled_items = op_styled_items;
break;
}
if (boolean_op->is(IfcSchema::Type::IfcBooleanResult)) {
boolean_result = (IfcSchema::IfcBooleanResult*) boolean_op;
} else {
break;
}
}
}
for (IfcSchema::IfcStyledItem::list::it jt = styled_items->begin(); jt != styled_items->end(); ++jt) { for (IfcSchema::IfcStyledItem::list::it jt = styled_items->begin(); jt != styled_items->end(); ++jt) {
#ifdef USE_IFC4 #ifdef USE_IFC4
IfcUtil::IfcAbstractSelect::list::ptr style_assignments = (*jt)->Styles(); IfcUtil::IfcAbstractSelect::list::ptr style_assignments = (*jt)->Styles();