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
   9 #include <GeomAPI_Pnt.h>
  10 #include <GeomAPI_Lin2d.h>
  11 #include <GeomAPI_Pnt2d.h>
  12
  13 #include <GeomAlgoAPI_EdgeBuilder.h>
  14 #include <GeomDataAPI_Point2D.h>
  15
  16 #include <AIS_InteractiveObject.hxx>
  17
  18 using namespace std;
  19
  20 // face of the square-face displayed for selection of general plane
  21 const double PLANE_SIZE = 200;
  22
  23 SketchPlugin_Line::SketchPlugin_Line()
  24   : SketchPlugin_Feature()
  25 {
  26 }
  27
  28 void SketchPlugin_Line::initAttributes()
  29 {
  30   data()->addAttribute(LINE_ATTR_START, GeomDataAPI_Point2D::type());
  31   data()->addAttribute(LINE_ATTR_END, GeomDataAPI_Point2D::type());
  32 }
  33
  34 void SketchPlugin_Line::execute()
  35 {
  36 }
  37
  38 const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Line::preview()
  39 {
  40   SketchPlugin_Sketch* aSketch = sketch();
  41   if (aSketch) {
  42     // compute a start point in 3D view
  43     boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  44       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(LINE_ATTR_START));
  45     // compute an end point in 3D view
  46     boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
  47       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(LINE_ATTR_END));
  48     if (aStartAttr->isInitialized() && anEndAttr->isInitialized()) {
  49       boost::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
  50       boost::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
  51       // make linear edge
  52       boost::shared_ptr<GeomAPI_Shape> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
  53       setPreview(anEdge);
  54     }
  55   }
  56   return getPreview();
  57 }
  58
  59 void SketchPlugin_Line::move(double theDeltaX, double theDeltaY)
  60 {
  61   boost::shared_ptr<ModelAPI_Data> aData = data();
  62   if (!aData->isValid())
  63     return;
  64
  65   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  66         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_START));
  67   aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
  68
  69   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  70         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_END));
  71   aPoint2->setValue(aPoint2->x() + theDeltaX, aPoint2->y() + theDeltaY);
  72 }
  73
  74 double SketchPlugin_Line::distanceToPoint(const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
  75 {
  76   double aDelta = 0;
  77
  78   boost::shared_ptr<ModelAPI_Data> aData = data();
  79   boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
  80         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_START));
  81   boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 =
  82         boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(LINE_ATTR_END));
  83
  84   GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
  85
  86   if (false/*projection*/) { // TODO: if it has not been necessary, remove this block
  87     boost::shared_ptr<GeomAPI_Pnt2d> aResult = aLin2d.project(thePoint);
  88     aDelta = aResult->distance(thePoint);
  89   }
  90   else { // distance
  91     aDelta = aLin2d.distance(thePoint);
  92   }
  93
  94   return aDelta;
  95 }