src/SketchSolver/SketchSolver_ConstraintMirror.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <SketchSolver_ConstraintMirror.h>
  21 #include <SketchSolver_Error.h>
  22
  23 #include <PlaneGCSSolver_Tools.h>
  24 #include <PlaneGCSSolver_UpdateFeature.h>
  25
  26 #include <GeomAPI_XY.h>
  27 #include <GeomDataAPI_Point2D.h>
  28 #include <ModelAPI_AttributeRefList.h>
  29 #include <SketchPlugin_Arc.h>
  30 #include <SketchPlugin_Circle.h>
  31
  32
  33 static void mirrorPoints(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
  34                          const AttributePoint2DPtr& theOriginal,
  35                          const AttributePoint2DPtr& theMirrored);
  36
  37 static void mirrorEntities(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
  38                            const FeaturePtr& theOriginal,
  39                            const FeaturePtr& theMirrored);
  40
  41
  42
  43 void SketchSolver_ConstraintMirror::getAttributes(
  44     EntityWrapperPtr&,
  45     std::vector<EntityWrapperPtr>&)
  46 {
  47   AttributeRefAttrPtr aMirLineRefAttr =
  48       myBaseConstraint->refattr(SketchPlugin_Constraint::ENTITY_A());
  49   if (!aMirLineRefAttr || !aMirLineRefAttr->isInitialized() || !aMirLineRefAttr->isObject()) {
  50     myErrorMsg = SketchSolver_Error::NOT_INITIALIZED();
  51     return;
  52   }
  53
  54   FeaturePtr aMirrorLine = ModelAPI_Feature::feature(aMirLineRefAttr->object());
  55   myFeatures.insert(aMirrorLine);
  56
  57   myType = TYPE(myBaseConstraint);
  58   myStorage->update(aMirrorLine);
  59
  60
  61   AttributeRefListPtr aBaseRefList =
  62       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_B());
  63   AttributeRefListPtr aMirroredRefList =
  64       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_C());
  65   myNumberOfObjects = aMirroredRefList->size();
  66   if (!aBaseRefList || !aMirroredRefList) {
  67     myErrorMsg = SketchSolver_Error::INCORRECT_MIRROR_ATTRIBUTE();
  68     return;
  69   }
  70
  71   // store only original entities because mirrored ones
  72   // will be updated separately in adjustConstraint
  73   std::list<ObjectPtr> aList = aBaseRefList->list();
  74   std::list<ObjectPtr>::iterator anIt = aList.begin();
  75   for (; anIt != aList.end(); ++anIt) {
  76     FeaturePtr aFeature = ModelAPI_Feature::feature(*anIt);
  77     if (aFeature) {
  78       myStorage->update(aFeature);
  79       myFeatures.insert(aFeature);
  80     }
  81   }
  82   // add mirrored features to the list
  83   aList = aMirroredRefList->list();
  84   for (anIt = aList.begin(); anIt != aList.end(); ++anIt) {
  85     FeaturePtr aFeature = ModelAPI_Feature::feature(*anIt);
  86     if (aFeature)
  87       myFeatures.insert(aFeature);
  88   }
  89 }
  90
  91 void SketchSolver_ConstraintMirror::process()
  92 {
  93   cleanErrorMsg();
  94   if (!myBaseConstraint || !myStorage) {
  95     // Not enough parameters are assigned
  96     return;
  97   }
  98
  99   EntityWrapperPtr aMirrorLine;
 100   std::vector<EntityWrapperPtr> aBaseList;
 101   getAttributes(aMirrorLine, aBaseList);
 102   if (!myErrorMsg.empty())
 103     return;
 104
 105   adjustConstraint();
 106   myStorage->subscribeUpdates(this, PlaneGCSSolver_UpdateFeature::GROUP());
 107 }
 108
 109
 110 void SketchSolver_ConstraintMirror::update()
 111 {
 112   cleanErrorMsg();
 113   remove();
 114   process();
 115 }
 116
 117 void SketchSolver_ConstraintMirror::adjustConstraint()
 118 {
 119   AttributeRefAttrPtr aMirrLineRefAttr =
 120       myBaseConstraint->refattr(SketchPlugin_Constraint::ENTITY_A());
 121   std::shared_ptr<GeomAPI_Lin2d> aMirrorLine =
 122       PlaneGCSSolver_Tools::line(ModelAPI_Feature::feature(aMirrLineRefAttr->object()));
 123
 124   AttributeRefListPtr aBaseRefList =
 125       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_B());
 126   AttributeRefListPtr aMirroredRefList =
 127       myBaseConstraint->reflist(SketchPlugin_Constraint::ENTITY_C());
 128
 129   std::list<ObjectPtr> aBaseList = aBaseRefList->list();
 130   std::list<ObjectPtr> aMirroredList = aMirroredRefList->list();
 131   std::list<ObjectPtr>::iterator aBIt, aMIt;
 132   for (aBIt = aBaseList.begin(), aMIt = aMirroredList.begin();
 133        aBIt != aBaseList.end() && aMIt != aMirroredList.end();
 134        ++aBIt, ++aMIt) {
 135     FeaturePtr aBase = ModelAPI_Feature::feature(*aBIt);
 136     FeaturePtr aMirrored = ModelAPI_Feature::feature(*aMIt);
 137     mirrorEntities(aMirrorLine, aBase, aMirrored);
 138
 139     // update mirrored entity if it exists in the storage
 140     if (myStorage->entity(aMirrored))
 141       myStorage->update(aMirrored);
 142   }
 143 }
 144
 145 void SketchSolver_ConstraintMirror::notify(const FeaturePtr& theFeature,
 146                                            PlaneGCSSolver_Update*)
 147 {
 148   if (myFeatures.find(theFeature) == myFeatures.end())
 149     return; // the feature is not used by constraint => nothing to update
 150   adjustConstraint();
 151 }
 152
 153 void SketchSolver_ConstraintMirror::blockEvents(bool isBlocked)
 154 {
 155   std::set<FeaturePtr>::iterator anIt = myFeatures.begin();
 156   for (; anIt != myFeatures.end(); ++anIt)
 157     (*anIt)->data()->blockSendAttributeUpdated(isBlocked);
 158
 159   SketchSolver_Constraint::blockEvents(isBlocked);
 160 }
 161
 162
 163
 164
 165 // =================   Auxiliary functions   ==================================
 166 void mirrorPoints(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
 167                   const AttributePoint2DPtr& theOriginal,
 168                   const AttributePoint2DPtr& theMirrored)
 169 {
 170   std::shared_ptr<GeomAPI_Pnt2d> anOriginal = theOriginal->pnt();
 171   std::shared_ptr<GeomAPI_Pnt2d> aPtOnLine = theMirrorLine->project(anOriginal);
 172   std::shared_ptr<GeomAPI_XY> aPerp = aPtOnLine->xy()->decreased(anOriginal->xy());
 173   theMirrored->setValue(anOriginal->x() + aPerp->x() * 2.0, anOriginal->y() + aPerp->y() * 2.0);
 174 }
 175
 176 void mirrorEntities(const std::shared_ptr<GeomAPI_Lin2d>& theMirrorLine,
 177                     const FeaturePtr& theOriginal,
 178                     const FeaturePtr& theMirrored)
 179 {
 180   std::list<AttributePtr> aPoints0 =
 181       theOriginal->data()->attributes(GeomDataAPI_Point2D::typeId());
 182   std::list<AttributePtr> aPoints1 =
 183       theMirrored->data()->attributes(GeomDataAPI_Point2D::typeId());
 184
 185   // process specific features
 186   if (theOriginal->getKind() == SketchPlugin_Arc::ID()) {
 187     // orientation of arc
 188     theMirrored->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(
 189         !theOriginal->boolean(SketchPlugin_Arc::REVERSED_ID())->value());
 190   } else if (theOriginal->getKind() == SketchPlugin_Circle::ID()) {
 191     // radius of the circle
 192     theMirrored->real(SketchPlugin_Circle::RADIUS_ID())->setValue(
 193         theOriginal->real(SketchPlugin_Circle::RADIUS_ID())->value());
 194   }
 195
 196   // mirror all initialized points of features
 197   std::list<AttributePtr>::iterator anIt0, anIt1;
 198   for (anIt0 = aPoints0.begin(), anIt1 = aPoints1.begin();
 199        anIt0 != aPoints0.end() && anIt1 != aPoints1.end(); ++anIt0, ++anIt1) {
 200     AttributePoint2DPtr aPt0 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt0);
 201     AttributePoint2DPtr aPt1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt1);
 202     if (aPt0->isInitialized() && aPt1->isInitialized())
 203       mirrorPoints(theMirrorLine, aPt0, aPt1);
 204   }
 205 }