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 }
  66
  67 void SketchSolver_ConstraintMirror::process()
  68 {
  69   cleanErrorMsg();
  70   if (!myBaseConstraint || !myStorage) {
  71     // Not enough parameters are assigned
  72     return;
  73   }
  74
  75   EntityWrapperPtr aMirrorLine;
  76   std::vector<EntityWrapperPtr> aBaseList;
  77   getAttributes(aMirrorLine, aBaseList);
  78   if (!myErrorMsg.empty())
  79     return;
  80
  81   adjustConstraint();
  82   myStorage->subscribeUpdates(this, PlaneGCSSolver_UpdateFeature::GROUP());
  83 }
  84
  85
  86 void SketchSolver_ConstraintMirror::update()
  87 {
  88   cleanErrorMsg();
  89   remove();
  90   process();
  91 }
  92
  93 void SketchSolver_ConstraintMirror::adjustConstraint()
  94 {
  95   AttributeRefAttrPtr aMirrLineRefAttr =
  96       myBaseConstraint->refattr(SketchPlugin_Constraint::ENTITY_A());
  97   std::shared_ptr<GeomAPI_Lin2d> aMirrorLine =
  98       PlaneGCSSolver_Tools::line(ModelAPI_Feature::feature(aMirrLineRefAttr->object()));
  99
 100   AttributeRefListPtr aBaseRefList =
 101       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_B());
 102   AttributeRefListPtr aMirroredRefList =
 103       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_C());
 104
 105   std::list<ObjectPtr> aBaseList = aBaseRefList->list();
 106   std::list<ObjectPtr> aMirroredList = aMirroredRefList->list();
 107   std::list<ObjectPtr>::iterator aBIt, aMIt;
 108   for (aBIt = aBaseList.begin(), aMIt = aMirroredList.begin();
 109        aBIt != aBaseList.end() && aMIt != aMirroredList.end();
 110        ++aBIt, ++aMIt) {
 111     FeaturePtr aBase = ModelAPI_Feature::feature(*aBIt);
 112     FeaturePtr aMirrored = ModelAPI_Feature::feature(*aMIt);
 113     mirrorEntities(aMirrorLine, aBase, aMirrored);
 114
 115     // update mirrored entity if it exists in the storage
 116     if (myStorage->entity(aMirrored))
 117       myStorage->update(aMirrored);
 118   }
 119 }
 120
 121 void SketchSolver_ConstraintMirror::notify(const FeaturePtr& theFeature,
 122                                            PlaneGCSSolver_Update*)
 123 {
 124   if (myFeatures.find(theFeature) == myFeatures.end())
 125     return; // the feature is not used by constraint => nothing to update
 126   adjustConstraint();
 127 }
 128
 129 void SketchSolver_ConstraintMirror::blockEvents(bool isBlocked)
 130 {
 131   std::set<FeaturePtr>::iterator anIt = myFeatures.begin();
 132   for (; anIt != myFeatures.end(); ++anIt)
 133     (*anIt)->data()->blockSendAttributeUpdated(isBlocked);
 134
 135   SketchSolver_Constraint::blockEvents(isBlocked);
 136 }
 137
 138
 139
 140
 141 // =================   Auxiliary functions   ==================================
 142 void mirrorPoints(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
 143                   const AttributePoint2DPtr& theOriginal,
 144                   const AttributePoint2DPtr& theMirrored)
 145 {
 146   std::shared_ptr<GeomAPI_Pnt2d> anOriginal = theOriginal->pnt();
 147   std::shared_ptr<GeomAPI_Pnt2d> aPtOnLine = theMirrorLine->project(anOriginal);
 148   std::shared_ptr<GeomAPI_XY> aPerp = aPtOnLine->xy()->decreased(anOriginal->xy());
 149   theMirrored->setValue(anOriginal->x() + aPerp->x() * 2.0, anOriginal->y() + aPerp->y() * 2.0);
 150 }
 151
 152 void mirrorEntities(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
 153                     const FeaturePtr& theOriginal,
 154                     const FeaturePtr& theMirrored)
 155 {
 156   std::list<AttributePtr> aPoints0 =
 157       theOriginal->data()->attributes(GeomDataAPI_Point2D::typeId());
 158   std::list<AttributePtr> aPoints1 =
 159       theMirrored->data()->attributes(GeomDataAPI_Point2D::typeId());
 160
 161   // process specific features
 162   if (theOriginal->getKind() == SketchPlugin_Arc::ID()) {
 163     // orientation of arc
 164     theMirrored->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(
 165         !theOriginal->boolean(SketchPlugin_Arc::REVERSED_ID())->value());
 166   } else if (theOriginal->getKind() == SketchPlugin_Circle::ID()) {
 167     // radius of the circle
 168     theMirrored->real(SketchPlugin_Circle::RADIUS_ID())->setValue(
 169         theOriginal->real(SketchPlugin_Circle::RADIUS_ID())->value());
 170   }
 171
 172   // mirror all initialized points of features
 173   std::list<AttributePtr>::iterator anIt0, anIt1;
 174   for (anIt0 = aPoints0.begin(), anIt1 = aPoints1.begin();
 175        anIt0 != aPoints0.end() && anIt1 != aPoints1.end(); ++anIt0, ++anIt1) {
 176     AttributePoint2DPtr aPt0 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt0);
 177     AttributePoint2DPtr aPt1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt1);
 178     if (aPt0->isInitialized() && aPt1->isInitialized())
 179       mirrorPoints(theMirrorLine, aPt0, aPt1);
 180   }
 181 }