1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: SketcherPrs_LengthDimension.cpp
4 // Created: 27 March 2015
5 // Author: Vitaly SMETANNIKOV
7 #include "SketcherPrs_LengthDimension.h"
8 #include "SketcherPrs_Tools.h"
10 #include <SketchPlugin_Constraint.h>
11 #include <SketchPlugin_ConstraintLength.h>
12 #include <SketchPlugin_ConstraintDistance.h>
13 #include <SketchPlugin_Line.h>
14 #include <SketchPlugin_Point.h>
15 #include <SketchPlugin_Circle.h>
17 #include <Events_Error.h>
19 #include <GeomDataAPI_Point2D.h>
20 #include <GeomAPI_Pnt.h>
21 #include <GeomAPI_XYZ.h>
22 #include <GeomAPI_Pnt2d.h>
23 #include <GeomAPI_Lin2d.h>
25 #include <ModelAPI_Data.h>
26 #include <ModelAPI_AttributeDouble.h>
28 #include <AIS_DisplaySpecialSymbol.hxx>
31 static const gp_Pnt MyDefStart(0,0,0);
32 static const gp_Pnt MyDefEnd(1,0,0);
33 static const gp_Pln MyDefPln(gp_Pnt(0,0,0), gp_Dir(0,0,1));
35 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_LengthDimension, AIS_LengthDimension);
36 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_LengthDimension, AIS_LengthDimension);
38 SketcherPrs_LengthDimension::SketcherPrs_LengthDimension(ModelAPI_Feature* theConstraint,
39 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
40 : AIS_LengthDimension(MyDefStart, MyDefEnd, MyDefPln),
41 myConstraint(theConstraint),
43 myAspect(new Prs3d_DimensionAspect())
45 myAspect->MakeArrows3d(false);
46 myAspect->MakeText3d(false);
47 myAspect->MakeTextShaded(false);
48 myAspect->MakeUnitsDisplayed(false);
49 myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
50 myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
52 SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
53 SetDimensionAspect(myAspect);
56 void SketcherPrs_LengthDimension::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
57 const Handle(Prs3d_Presentation)& thePresentation,
58 const Standard_Integer theMode)
61 if (!getPoints(aPnt1, aPnt2)) {
62 Events_Error::throwException("An empty AIS presentation: SketcherPrs_LengthDimension");
66 // compute flyout distance
67 SetFlyout(SketcherPrs_Tools::getFlyoutDistance(myConstraint));
68 SetMeasuredGeometry(aPnt1, aPnt2, myPlane->impl<gp_Ax3>());
70 // Update variable aspect parameters (depending on viewer scale)
71 double anArrowLength = myAspect->ArrowAspect()->Length();
72 // This is not realy correct way to get viewer scale.
73 double aViewerScale = (double) SketcherPrs_Tools::getDefaultArrowSize() / anArrowLength;
74 double aDimensionValue = GetValue();
75 double aTextSize = 0.0;
76 GetValueString(aTextSize);
78 if(aTextSize > ((aDimensionValue - 3 * SketcherPrs_Tools::getArrowSize()) * aViewerScale)) {
79 myAspect->SetTextHorizontalPosition(Prs3d_DTHP_Left);
80 myAspect->SetArrowOrientation(Prs3d_DAO_External);
81 myAspect->SetExtensionSize(aTextSize / aViewerScale - SketcherPrs_Tools::getArrowSize() / 2.0);
83 myAspect->SetTextHorizontalPosition(Prs3d_DTHP_Center);
84 myAspect->SetArrowOrientation(Prs3d_DAO_Internal);
86 myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
88 // The value of vertical aligment is sometimes changed
89 myAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
91 AttributeDoublePtr aValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
92 SketcherPrs_Tools::setDisplaySpecialSymbol(this, aValue->usedParameters().size() > 0);
94 AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
97 bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2)
99 DataPtr aData = myConstraint->data();
100 if (myConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
101 // The constraint is length
102 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
103 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
104 (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
108 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
109 if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
112 // Get geometry of the object
113 DataPtr aLineData = aFeature->data();
114 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
115 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
116 (aLineData->attribute(SketchPlugin_Line::START_ID()));
117 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
118 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
119 (aLineData->attribute(SketchPlugin_Line::END_ID()));
120 thePnt1 = myPlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
121 thePnt2 = myPlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
124 } else if (myConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
125 // The constraint is distance
126 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
127 aData, SketchPlugin_Constraint::ENTITY_A(), myPlane);
128 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
129 aData, SketchPlugin_Constraint::ENTITY_B(), myPlane);
131 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
132 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
133 if (aPoint_A && aPoint_B) {
134 // Both objects are points
135 aPnt_A = aPoint_A->pnt();
136 aPnt_B = aPoint_B->pnt();
137 } else if (!aPoint_A && aPoint_B) {
138 // First object is line
139 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
140 aData, SketchPlugin_Constraint::ENTITY_A());
142 aPnt_B = aPoint_B->pnt();
143 aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
145 } else if (aPoint_A && !aPoint_B) {
146 // Second object is line
147 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
148 aData, SketchPlugin_Constraint::ENTITY_B());
150 aPnt_A = aPoint_A->pnt();
151 aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
154 if (!aPnt_A || !aPnt_B) // Objects not found
157 // Get points from these objects
158 std::shared_ptr<GeomAPI_Pnt> aPoint1 = myPlane->to3D(aPnt_A->x(), aPnt_A->y());
159 std::shared_ptr<GeomAPI_Pnt> aPoint2 = myPlane->to3D(aPnt_B->x(), aPnt_B->y());
160 thePnt1 = aPoint1->impl<gp_Pnt>();
161 thePnt2 = aPoint2->impl<gp_Pnt>();
169 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
170 const Standard_Integer theMode)
172 // Map the application selection modes to standard ones
173 Standard_Integer aMode;
175 case 0: // we should use selection of all objects
178 case SketcherPrs_Tools::Sel_Dimension_All:
181 case SketcherPrs_Tools::Sel_Dimension_Line:
184 case SketcherPrs_Tools::Sel_Dimension_Text:
188 // there are own selection modes, so the others should be ignored
189 // otherwise, the text selection appears in the viewer
193 SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
194 AIS_LengthDimension::ComputeSelection(aSelection, aMode);