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 bool SketcherPrs_LengthDimension::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
57 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
59 bool aReadyToDisplay = false;
62 aReadyToDisplay = getPoints(theConstraint, thePlane, aPnt1, aPnt2);
64 return aReadyToDisplay;
67 void SketcherPrs_LengthDimension::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
68 const Handle(Prs3d_Presentation)& thePresentation,
69 const Standard_Integer theMode)
71 if (!SketcherPrs_LengthDimension::IsReadyToDisplay(myConstraint, myPlane)) {
72 Events_Error::throwException("An empty AIS presentation: SketcherPrs_LengthDimension");
77 getPoints(myConstraint, myPlane, aPnt1, aPnt2);
79 // compute flyout distance
80 SetFlyout(SketcherPrs_Tools::getFlyoutDistance(myConstraint));
81 SetMeasuredGeometry(aPnt1, aPnt2, myPlane->impl<gp_Ax3>());
83 // Update variable aspect parameters (depending on viewer scale)
84 double anArrowLength = myAspect->ArrowAspect()->Length();
85 // This is not realy correct way to get viewer scale.
86 double aViewerScale = (double) SketcherPrs_Tools::getDefaultArrowSize() / anArrowLength;
87 double aDimensionValue = GetValue();
88 double aTextSize = 0.0;
89 GetValueString(aTextSize);
91 if(aTextSize > ((aDimensionValue - 3 * SketcherPrs_Tools::getArrowSize()) * aViewerScale)) {
92 myAspect->SetTextHorizontalPosition(Prs3d_DTHP_Left);
93 myAspect->SetArrowOrientation(Prs3d_DAO_External);
94 myAspect->SetExtensionSize(aTextSize / aViewerScale - SketcherPrs_Tools::getArrowSize() / 2.0);
96 myAspect->SetTextHorizontalPosition(Prs3d_DTHP_Center);
97 myAspect->SetArrowOrientation(Prs3d_DAO_Internal);
99 myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
101 // The value of vertical aligment is sometimes changed
102 myAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
104 AttributeDoublePtr aValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
105 SketcherPrs_Tools::setDisplaySpecialSymbol(this, aValue->usedParameters().size() > 0);
107 AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
110 bool SketcherPrs_LengthDimension::getPoints(ModelAPI_Feature* theConstraint,
111 const std::shared_ptr<GeomAPI_Ax3>& thePlane,
112 gp_Pnt& thePnt1, gp_Pnt& thePnt2)
114 DataPtr aData = theConstraint->data();
115 if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
116 // The constraint is length
117 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
118 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
119 (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
123 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
124 if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
127 // Get geometry of the object
128 DataPtr aLineData = aFeature->data();
129 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
130 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
131 (aLineData->attribute(SketchPlugin_Line::START_ID()));
132 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
133 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
134 (aLineData->attribute(SketchPlugin_Line::END_ID()));
135 thePnt1 = thePlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
136 thePnt2 = thePlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
139 } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
140 // The constraint is distance
141 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
142 aData, SketchPlugin_Constraint::ENTITY_A(), thePlane);
143 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
144 aData, SketchPlugin_Constraint::ENTITY_B(), thePlane);
146 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
147 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
148 if (aPoint_A && aPoint_B) {
149 // Both objects are points
150 aPnt_A = aPoint_A->pnt();
151 aPnt_B = aPoint_B->pnt();
152 } else if (!aPoint_A && aPoint_B) {
153 // First object is line
154 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
155 aData, SketchPlugin_Constraint::ENTITY_A());
157 aPnt_B = aPoint_B->pnt();
158 aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
160 } else if (aPoint_A && !aPoint_B) {
161 // Second object is line
162 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
163 aData, SketchPlugin_Constraint::ENTITY_B());
165 aPnt_A = aPoint_A->pnt();
166 aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
169 if (!aPnt_A || !aPnt_B) // Objects not found
172 // Get points from these object
173 std::shared_ptr<GeomAPI_Pnt> aPoint1 = thePlane->to3D(aPnt_A->x(), aPnt_A->y());
174 std::shared_ptr<GeomAPI_Pnt> aPoint2 = thePlane->to3D(aPnt_B->x(), aPnt_B->y());
175 thePnt1 = aPoint1->impl<gp_Pnt>();
176 thePnt2 = aPoint2->impl<gp_Pnt>();
184 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
185 const Standard_Integer theMode)
187 // Map the application selection modes to standard ones
188 Standard_Integer aMode;
190 case 0: // we should use selection of all objects
193 case SketcherPrs_Tools::Sel_Dimension_All:
196 case SketcherPrs_Tools::Sel_Dimension_Line:
199 case SketcherPrs_Tools::Sel_Dimension_Text:
203 // there are own selection modes, so the others should be ignored
204 // otherwise, the text selection appears in the viewer
208 SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
209 AIS_LengthDimension::ComputeSelection(aSelection, aMode);