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