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Issue #1834: Fix length of lines
[modules/shaper.git] / src / SketcherPrs / SketcherPrs_Equal.cpp
1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
2
3 // File:        SketcherPrs_Equal.cpp
4 // Created:     16 February 2015
5 // Author:      Vitaly SMETANNIKOV
6
7 #include "SketcherPrs_Equal.h"
8 #include "SketcherPrs_Tools.h"
9 #include "SketcherPrs_PositionMgr.h"
10
11 #include <SketchPlugin_Constraint.h>
12
13 #include <Graphic3d_AspectLine3d.hxx>
14 #include <Prs3d_Root.hxx>
15
16
17 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Equal, SketcherPrs_SymbolPrs);
18 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Equal, SketcherPrs_SymbolPrs);
19
20 static Handle(Image_AlienPixMap) MyPixMap;
21
22 SketcherPrs_Equal::SketcherPrs_Equal(ModelAPI_Feature* theConstraint, 
23                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane) 
24  : SketcherPrs_SymbolPrs(theConstraint, thePlane)
25 {
26   myPntArray = new Graphic3d_ArrayOfPoints(2);
27   myPntArray->AddVertex(0., 0., 0.);
28   myPntArray->AddVertex(0., 0., 0.);
29 }  
30
31 bool SketcherPrs_Equal::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
32                                          const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
33 {
34   bool aReadyToDisplay = false;
35
36   ObjectPtr aObj1 = 
37     SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_A());
38   ObjectPtr aObj2 = 
39     SketcherPrs_Tools::getResult(theConstraint, SketchPlugin_Constraint::ENTITY_B());
40
41   aReadyToDisplay = SketcherPrs_Tools::getShape(aObj1).get() != NULL &&
42                     SketcherPrs_Tools::getShape(aObj2).get() != NULL;
43
44   return aReadyToDisplay;
45 }
46
47 bool SketcherPrs_Equal::updateIfReadyToDisplay(double theStep) const
48 {
49   if (!IsReadyToDisplay(myConstraint, myPlane))
50     return false;
51
52   ObjectPtr aObj1 = 
53     SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
54   ObjectPtr aObj2 = 
55     SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_B());
56
57   // Set points of the presentation
58   SketcherPrs_PositionMgr* aMgr = SketcherPrs_PositionMgr::get();
59   gp_Pnt aP1 = aMgr->getPosition(aObj1, this, theStep);
60   gp_Pnt aP2 = aMgr->getPosition(aObj2, this, theStep);
61   myPntArray->SetVertice(1, aP1);
62   myPntArray->SetVertice(2, aP2);
63   return true;
64 }
65
66 void SketcherPrs_Equal::drawLines(const Handle(Prs3d_Presentation)& thePrs, 
67                                   Quantity_Color theColor) const
68 {
69   Handle(Graphic3d_Group) aGroup = Prs3d_Root::NewGroup(thePrs);
70
71   Handle(Graphic3d_AspectLine3d) aLineAspect = 
72     new Graphic3d_AspectLine3d(theColor, Aspect_TOL_SOLID, 2);
73   aGroup->SetPrimitivesAspect(aLineAspect);
74
75   // Draw first line
76   ObjectPtr aObj = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_A());
77   std::shared_ptr<GeomAPI_Shape> aLine = SketcherPrs_Tools::getShape(aObj);
78   if (aLine.get() == NULL)
79     return;
80   drawShape(aLine, thePrs);
81
82   // Draw second line
83   aObj = SketcherPrs_Tools::getResult(myConstraint, SketchPlugin_Constraint::ENTITY_B());
84   aLine = SketcherPrs_Tools::getShape(aObj);
85   if (aLine.get() == NULL)
86     return;
87   drawShape(aLine, thePrs);
88 }
89