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 <GeomAPI_Pnt.h>
   9 #include <GeomAlgoAPI_EdgeBuilder.h>
  10 #include <GeomDataAPI_Point2D.h>
  11
  12 using namespace std;
  13
  14 // face of the square-face displayed for selection of general plane
  15 const double PLANE_SIZE = 200;
  16
  17 SketchPlugin_Line::SketchPlugin_Line()
  18   : SketchPlugin_Feature()
  19 {
  20   setSketch(0);
  21 }
  22
  23 void SketchPlugin_Line::initAttributes()
  24 {
  25   data()->addAttribute(LINE_ATTR_START, GeomDataAPI_Point2D::type());
  26   data()->addAttribute(LINE_ATTR_END, GeomDataAPI_Point2D::type());
  27 }
  28
  29 void SketchPlugin_Line::execute()
  30 {
  31 }
  32
  33 const boost::shared_ptr<GeomAPI_Shape>& SketchPlugin_Line::preview()
  34 {
  35   SketchPlugin_Sketch* aSketch = sketch();
  36   if (aSketch) {
  37     // compute a start point in 3D view
  38     boost::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  39       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(LINE_ATTR_START));
  40     boost::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
  41     // compute an end point in 3D view
  42     boost::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
  43       boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(LINE_ATTR_END));
  44     boost::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
  45     // make linear edge
  46     boost::shared_ptr<GeomAPI_Shape> anEdge = GeomAlgoAPI_EdgeBuilder::line(aStart, anEnd);
  47     setPreview(anEdge);
  48   }
  49   return getPreview();
  50 }