src/SketchSolver/SketchSolver_ConstraintMirror.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 #include <SketchSolver_ConstraintMirror.h>
   4 #include <SketchSolver_Error.h>
   5
   6 #include <PlaneGCSSolver_Tools.h>
   7 #include <PlaneGCSSolver_UpdateFeature.h>
   8
   9 #include <GeomAPI_XY.h>
  10 #include <GeomDataAPI_Point2D.h>
  11 #include <ModelAPI_AttributeRefList.h>
  12 #include <SketchPlugin_Arc.h>
  13 #include <SketchPlugin_Circle.h>
  14
  15
  16 static void mirrorPoints(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
  17                          const AttributePoint2DPtr& theOriginal,
  18                          const AttributePoint2DPtr& theMirrored);
  19
  20 static void mirrorEntities(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
  21                            const FeaturePtr& theOriginal,
  22                            const FeaturePtr& theMirrored);
  23
  24
  25
  26 void SketchSolver_ConstraintMirror::getAttributes(
  27     EntityWrapperPtr&,
  28     std::vector<EntityWrapperPtr>&)
  29 {
  30   AttributeRefAttrPtr aMirLineRefAttr =
  31       myBaseConstraint->refattr(SketchPlugin_Constraint::ENTITY_A());
  32   if (!aMirLineRefAttr || !aMirLineRefAttr->isInitialized() || !aMirLineRefAttr->isObject()) {
  33     myErrorMsg = SketchSolver_Error::NOT_INITIALIZED();
  34     return;
  35   }
  36
  37   FeaturePtr aMirrorLine = ModelAPI_Feature::feature(aMirLineRefAttr->object());
  38   myFeatures.insert(aMirrorLine);
  39
  40   myType = TYPE(myBaseConstraint);
  41   myStorage->update(aMirrorLine);
  42
  43
  44   AttributeRefListPtr aBaseRefList =
  45       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_B());
  46   AttributeRefListPtr aMirroredRefList =
  47       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_C());
  48   myNumberOfObjects = aMirroredRefList->size();
  49   if (!aBaseRefList || !aMirroredRefList) {
  50     myErrorMsg = SketchSolver_Error::INCORRECT_MIRROR_ATTRIBUTE();
  51     return;
  52   }
  53
  54   // store only original entities because mirrored ones
  55   // will be updated separately in adjustConstraint
  56   std::list<ObjectPtr> aList = aBaseRefList->list();
  57   std::list<ObjectPtr>::iterator anIt = aList.begin();
  58   for (; anIt != aList.end(); ++anIt) {
  59     FeaturePtr aFeature = ModelAPI_Feature::feature(*anIt);
  60     if (aFeature) {
  61       myStorage->update(aFeature);
  62       myFeatures.insert(aFeature);
  63     }
  64   }
  65   // add mirrored features to the list
  66   aList = aMirroredRefList->list();
  67   for (anIt = aList.begin(); anIt != aList.end(); ++anIt) {
  68     FeaturePtr aFeature = ModelAPI_Feature::feature(*anIt);
  69     if (aFeature)
  70       myFeatures.insert(aFeature);
  71   }
  72 }
  73
  74 void SketchSolver_ConstraintMirror::process()
  75 {
  76   cleanErrorMsg();
  77   if (!myBaseConstraint || !myStorage) {
  78     // Not enough parameters are assigned
  79     return;
  80   }
  81
  82   EntityWrapperPtr aMirrorLine;
  83   std::vector<EntityWrapperPtr> aBaseList;
  84   getAttributes(aMirrorLine, aBaseList);
  85   if (!myErrorMsg.empty())
  86     return;
  87
  88   adjustConstraint();
  89   myStorage->subscribeUpdates(this, PlaneGCSSolver_UpdateFeature::GROUP());
  90 }
  91
  92
  93 void SketchSolver_ConstraintMirror::update()
  94 {
  95   cleanErrorMsg();
  96   remove();
  97   process();
  98 }
  99
 100 void SketchSolver_ConstraintMirror::adjustConstraint()
 101 {
 102   AttributeRefAttrPtr aMirrLineRefAttr =
 103       myBaseConstraint->refattr(SketchPlugin_Constraint::ENTITY_A());
 104   std::shared_ptr<GeomAPI_Lin2d> aMirrorLine =
 105       PlaneGCSSolver_Tools::line(ModelAPI_Feature::feature(aMirrLineRefAttr->object()));
 106
 107   AttributeRefListPtr aBaseRefList =
 108       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_B());
 109   AttributeRefListPtr aMirroredRefList =
 110       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_C());
 111
 112   std::list<ObjectPtr> aBaseList = aBaseRefList->list();
 113   std::list<ObjectPtr> aMirroredList = aMirroredRefList->list();
 114   std::list<ObjectPtr>::iterator aBIt, aMIt;
 115   for (aBIt = aBaseList.begin(), aMIt = aMirroredList.begin();
 116        aBIt != aBaseList.end() && aMIt != aMirroredList.end();
 117        ++aBIt, ++aMIt) {
 118     FeaturePtr aBase = ModelAPI_Feature::feature(*aBIt);
 119     FeaturePtr aMirrored = ModelAPI_Feature::feature(*aMIt);
 120     mirrorEntities(aMirrorLine, aBase, aMirrored);
 121
 122     // update mirrored entity if it exists in the storage
 123     if (myStorage->entity(aMirrored))
 124       myStorage->update(aMirrored);
 125   }
 126 }
 127
 128 void SketchSolver_ConstraintMirror::notify(const FeaturePtr& theFeature,
 129                                            PlaneGCSSolver_Update*)
 130 {
 131   if (myFeatures.find(theFeature) == myFeatures.end())
 132     return; // the feature is not used by constraint => nothing to update
 133   adjustConstraint();
 134 }
 135
 136 void SketchSolver_ConstraintMirror::blockEvents(bool isBlocked)
 137 {
 138   std::set<FeaturePtr>::iterator anIt = myFeatures.begin();
 139   for (; anIt != myFeatures.end(); ++anIt)
 140     (*anIt)->data()->blockSendAttributeUpdated(isBlocked);
 141
 142   SketchSolver_Constraint::blockEvents(isBlocked);
 143 }
 144
 145
 146
 147
 148 // =================   Auxiliary functions   ==================================
 149 void mirrorPoints(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
 150                   const AttributePoint2DPtr& theOriginal,
 151                   const AttributePoint2DPtr& theMirrored)
 152 {
 153   std::shared_ptr<GeomAPI_Pnt2d> anOriginal = theOriginal->pnt();
 154   std::shared_ptr<GeomAPI_Pnt2d> aPtOnLine = theMirrorLine->project(anOriginal);
 155   std::shared_ptr<GeomAPI_XY> aPerp = aPtOnLine->xy()->decreased(anOriginal->xy());
 156   theMirrored->setValue(anOriginal->x() + aPerp->x() * 2.0, anOriginal->y() + aPerp->y() * 2.0);
 157 }
 158
 159 void mirrorEntities(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
 160                     const FeaturePtr& theOriginal,
 161                     const FeaturePtr& theMirrored)
 162 {
 163   std::list<AttributePtr> aPoints0 =
 164       theOriginal->data()->attributes(GeomDataAPI_Point2D::typeId());
 165   std::list<AttributePtr> aPoints1 =
 166       theMirrored->data()->attributes(GeomDataAPI_Point2D::typeId());
 167
 168   // process specific features
 169   if (theOriginal->getKind() == SketchPlugin_Arc::ID()) {
 170     // orientation of arc
 171     theMirrored->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(
 172         !theOriginal->boolean(SketchPlugin_Arc::REVERSED_ID())->value());
 173   } else if (theOriginal->getKind() == SketchPlugin_Circle::ID()) {
 174     // radius of the circle
 175     theMirrored->real(SketchPlugin_Circle::RADIUS_ID())->setValue(
 176         theOriginal->real(SketchPlugin_Circle::RADIUS_ID())->value());
 177   }
 178
 179   // mirror all initialized points of features
 180   std::list<AttributePtr>::iterator anIt0, anIt1;
 181   for (anIt0 = aPoints0.begin(), anIt1 = aPoints1.begin();
 182        anIt0 != aPoints0.end() && anIt1 != aPoints1.end(); ++anIt0, ++anIt1) {
 183     AttributePoint2DPtr aPt0 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt0);
 184     AttributePoint2DPtr aPt1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt1);
 185     if (aPt0->isInitialized() && aPt1->isInitialized())
 186       mirrorPoints(theMirrorLine, aPt0, aPt1);
 187   }
 188 }