src/SketchPlugin/SketchPlugin_Line.cpp

   1 // File:        SketchPlugin_Line.cxx
   2 // Created:     27 Mar 2014
   3 // Author:      Mikhail PONIKAROV
   4
   5 #include "SketchPlugin_Line.h"
   6 #include "SketchPlugin_Sketch.h"
   7 #include <ModelAPI_Data.h>
   8 #include <ModelAPI_ResultConstruction.h>
   9
  10 #include <GeomAPI_Pnt.h>
  11 #include <GeomAPI_Lin2d.h>
  12 #include <GeomAPI_Pnt2d.h>
  13
  14 #include <GeomAlgoAPI_EdgeBuilder.h>
  15 #include <GeomDataAPI_Point2D.h>
  16
  17 using namespace std;
  18
  19
  20 SketchPlugin_Line::SketchPlugin_Line()
  21   : SketchPlugin_Feature()
  22 {
  23 }
  24
  25 void SketchPlugin_Line::initAttributes()
  26 {
  27   data()->addAttribute(SketchPlugin_Line::START_ID(), GeomDataAPI_Point2D::type());
  28   data()->addAttribute(SketchPlugin_Line::END_ID(), GeomDataAPI_Point2D::type());
  29 }
  30
  31 void SketchPlugin_Line::execute()
  32 {
  33   SketchPlugin_Sketch* aSketch = sketch();
  34   if (aSketch) {
  35     // compute a start point in 3D view
  36     boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  37       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  38       data()->attribute(SketchPlugin_Line::START_ID()));
  39     // compute an end point in 3D view
  40     boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
  41       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  42       data()->attribute(SketchPlugin_Line::END_ID()));
  43     if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
  44       boost::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
  45       boost::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
  46       // make linear edge
  47       boost::shared_ptr<GeomAPI_Shape> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
  48       // store the result
  49       boost::shared_ptr<ModelAPI_ResultConstruction> aConstr =
  50         document()->createConstruction(data());
  51       aConstr->setShape(anEdge);
  52       aConstr->setIsInHistory(false);
  53       setResult(aConstr);
  54     }
  55   }
  56 }
  57
  58 void SketchPlugin_Line::move(double theDeltaX, double theDeltaY)
  59 {
  60   boost::shared_ptr<ModelAPI_Data> aData = data();
  61   if (!aData->isValid())
  62     return;
  63
  64   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  65         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  66         aData->attribute(SketchPlugin_Line::START_ID()));
  67   aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
  68
  69   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  70         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  71         aData->attribute(SketchPlugin_Line::END_ID()));
  72   aPoint2->setValue(aPoint2->x() + theDeltaX, aPoint2->y() + theDeltaY);
  73 }
  74
  75 double SketchPlugin_Line::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  76 {
  77   double aDelta = 0;
  78
  79   boost::shared_ptr<ModelAPI_Data> aData = data();
  80   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  81         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  82         aData->attribute(SketchPlugin_Line::START_ID()));
  83   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  84         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  85         aData->attribute(SketchPlugin_Line::END_ID()));
  86
  87   GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
  88
  89   if (false/*projection*/) { // TODO: if it has not been necessary, remove this block
  90     boost::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
  91     aDelta = aResult->distance(thePoint);
  92   }
  93   else { // distance
  94     aDelta = aLin2d.distance(thePoint);
  95   }
  96
  97   return aDelta;
  98 }