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