src/SketchPlugin/SketchPlugin_Circle.cpp

   1 // File:        SketchPlugin_Circle.cpp
   2 // Created:     26 May 2014
   3 // Author:      Artem ZHIDKOV
   4
   5 #include "SketchPlugin_Circle.h"
   6 #include "SketchPlugin_Sketch.h"
   7 #include <ModelAPI_Data.h>
   8 #include <ModelAPI_ResultConstruction.h>
   9
  10 #include <GeomAPI_Pnt2d.h>
  11 #include <GeomDataAPI_Point2D.h>
  12 #include <GeomDataAPI_Dir.h>
  13 #include <GeomAlgoAPI_PointBuilder.h>
  14 #include <GeomAlgoAPI_EdgeBuilder.h>
  15 #include <GeomAlgoAPI_CompoundBuilder.h>
  16 #include <ModelAPI_AttributeDouble.h>
  17
  18 SketchPlugin_Circle::SketchPlugin_Circle()
  19   : SketchPlugin_Feature()
  20 {
  21 }
  22
  23 void SketchPlugin_Circle::initAttributes()
  24 {
  25   data()->addAttribute(CIRCLE_ATTR_CENTER, GeomDataAPI_Point2D::type());
  26   data()->addAttribute(CIRCLE_ATTR_RADIUS, ModelAPI_AttributeDouble::type());
  27 }
  28
  29 void SketchPlugin_Circle::execute()
  30 {
  31   SketchPlugin_Sketch* aSketch = sketch();
  32   if (aSketch) {
  33     std::list<boost::shared_ptr<GeomAPI_Shape> > aShapes;
  34
  35     // compute a circle point in 3D view
  36     boost::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
  37       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(CIRCLE_ATTR_CENTER));
  38     AttributeDoublePtr aRadiusAttr =
  39       boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(data()->attribute(CIRCLE_ATTR_RADIUS));
  40     if (aCenterAttr->isInitialized() && aRadiusAttr->isInitialized()) {
  41       boost::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
  42       // make a visible point
  43       boost::shared_ptr<GeomAPI_Shape> aCenterPointShape = GeomAlgoAPI_PointBuilder::point(aCenter);
  44       aShapes.push_back(aCenterPointShape);
  45
  46       // make a visible circle
  47       boost::shared_ptr<GeomDataAPI_Dir> aNDir =
  48         boost::dynamic_pointer_cast<GeomDataAPI_Dir>(aSketch->data()->attribute(SKETCH_ATTR_NORM));
  49       bool aHasPlane = aNDir && !(aNDir->x() == 0 && aNDir->y() == 0 && aNDir->z() == 0);
  50       if (aHasPlane) {
  51         boost::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
  52         // compute the circle radius
  53         double aRadius = aRadiusAttr->value();
  54
  55         boost::shared_ptr<GeomAPI_Shape> aCircleShape =
  56                                 GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aRadius);
  57         aShapes.push_back(aCircleShape);
  58       }
  59     }
  60     boost::shared_ptr<GeomAPI_Shape> aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
  61       // store the result
  62       boost::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction();
  63       aConstr->setShape(aCompound);
  64       setResult(aConstr);
  65   }
  66 }
  67
  68 void SketchPlugin_Circle::move(double theDeltaX, double theDeltaY)
  69 {
  70   boost::shared_ptr<ModelAPI_Data> aData = data();
  71   if (!aData->isValid())
  72     return;
  73
  74   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  75         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CIRCLE_ATTR_CENTER));
  76   aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
  77 }
  78
  79 double SketchPlugin_Circle::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  80 {
  81   boost::shared_ptr<ModelAPI_Data> aData = data();
  82   boost::shared_ptr<GeomDataAPI_Point2D> aPoint =
  83         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CIRCLE_ATTR_CENTER));
  84
  85   return aPoint->pnt()->distance(thePoint);
  86 }