1 // Copyright (C) 2014-2017 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include "SketcherPrs_LengthDimension.h"
22 #include "SketcherPrs_Tools.h"
23 #include "SketcherPrs_DimensionStyleListener.h"
25 #include <SketchPlugin_Constraint.h>
26 #include <SketchPlugin_ConstraintLength.h>
27 #include <SketchPlugin_ConstraintDistance.h>
28 #include <SketchPlugin_Line.h>
29 #include <SketchPlugin_Point.h>
30 #include <SketchPlugin_Circle.h>
32 #include <GeomDataAPI_Point2D.h>
33 #include <GeomAPI_Pnt.h>
34 #include <GeomAPI_XYZ.h>
35 #include <GeomAPI_Pnt2d.h>
36 #include <GeomAPI_Lin2d.h>
38 #include <ModelAPI_Data.h>
39 #include <ModelAPI_AttributeDouble.h>
41 #include <AIS_DisplaySpecialSymbol.hxx>
44 /// Creates an aspect to be shown in length/radius dimension presentations
45 /// \return an instance of aspect
46 Handle(Prs3d_DimensionAspect) createDimensionAspect()
48 Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
49 anAspect->MakeArrows3d(false);
50 anAspect->MakeText3d(false);
51 anAspect->MakeTextShaded(false);
52 anAspect->MakeUnitsDisplayed(false);
53 anAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
54 anAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
59 /// Update variable aspect parameters (depending on viewer scale)
60 /// \param theDimAspect an aspect to be changed
61 /// \param theDimValue an arrow value
62 /// \param theTextSize an arrow value
63 void updateArrows(Handle(Prs3d_DimensionAspect) theDimAspect,
64 double theDimValue, double theTextSize)
66 double anArrowLength = theDimAspect->ArrowAspect()->Length();
67 // This is not realy correct way to get viewer scale.
68 double aViewerScale = (double) SketcherPrs_Tools::getDefaultArrowSize() / anArrowLength;
70 if(theTextSize > ((theDimValue - 3 * SketcherPrs_Tools::getArrowSize()) * aViewerScale)) {
71 theDimAspect->SetTextHorizontalPosition(Prs3d_DTHP_Left);
72 theDimAspect->SetArrowOrientation(Prs3d_DAO_External);
73 theDimAspect->SetExtensionSize(
74 (theTextSize / aViewerScale + SketcherPrs_Tools::getArrowSize()) / 2.0);
76 theDimAspect->SetTextHorizontalPosition(Prs3d_DTHP_Center);
77 theDimAspect->SetArrowOrientation(Prs3d_DAO_Internal);
79 theDimAspect->SetArrowTailSize(theDimAspect->ArrowAspect()->Length());
80 // The value of vertical aligment is sometimes changed
81 theDimAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
85 static const gp_Pnt MyDefStart(0,0,0);
86 static const gp_Pnt MyDefEnd(1,0,0);
87 static const gp_Pln MyDefPln(gp_Pnt(0,0,0), gp_Dir(0,0,1));
89 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_LengthDimension, AIS_LengthDimension);
91 SketcherPrs_LengthDimension::SketcherPrs_LengthDimension(ModelAPI_Feature* theConstraint,
92 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
93 : AIS_LengthDimension(MyDefStart, MyDefEnd, MyDefPln),
94 myConstraint(theConstraint),
95 mySketcherPlane(thePlane),
96 myFirstPoint(MyDefStart),
97 mySecondPoint(MyDefEnd),
100 myValue(0., false, "")
102 SetDimensionAspect(createDimensionAspect());
103 myStyleListener = new SketcherPrs_DimensionStyleListener();
106 SketcherPrs_LengthDimension::~SketcherPrs_LengthDimension()
108 delete myStyleListener;
111 bool SketcherPrs_LengthDimension::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
112 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
115 return readyToDisplay(theConstraint, thePlane, aPnt1, aPnt2);
118 void SketcherPrs_LengthDimension::Compute(
119 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
120 const Handle(Prs3d_Presentation)& thePresentation,
121 const Standard_Integer theMode)
124 bool aReadyToDisplay = readyToDisplay(myConstraint, mySketcherPlane, aPnt1, aPnt2);
125 if (aReadyToDisplay) {
126 myFirstPoint = aPnt1;
127 mySecondPoint = aPnt2;
129 myDistance = SketcherPrs_Tools::getFlyoutDistance(myConstraint);
130 myPlane = gp_Pln(mySketcherPlane->impl<gp_Ax3>());
132 DataPtr aData = myConstraint->data();
133 AttributeDoublePtr anAttributeValue = aData->real(SketchPlugin_Constraint::VALUE());
134 myValue.init(anAttributeValue);
137 // compute flyout distance
138 SetFlyout(myDistance);
139 SetMeasuredGeometry(myFirstPoint, mySecondPoint, myPlane);
141 // Update variable aspect parameters (depending on viewer scale)
142 double aTextSize = 0.0;
143 GetValueString(aTextSize);
145 updateArrows(DimensionAspect(), GetValue(), aTextSize);
147 // Update text visualization: parameter value or parameter text
148 myStyleListener->updateDimensions(this, myValue);
150 AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
152 if (!aReadyToDisplay)
153 SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
154 "An empty AIS presentation: SketcherPrs_LengthDimension");
157 bool SketcherPrs_LengthDimension::readyToDisplay(ModelAPI_Feature* theConstraint,
158 const std::shared_ptr<GeomAPI_Ax3>& thePlane,
159 gp_Pnt& thePnt1, gp_Pnt& thePnt2)
161 DataPtr aData = theConstraint->data();
162 if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
163 // The constraint is length
164 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
165 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
166 (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
170 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
171 if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
174 // Get geometry of the object
175 DataPtr aLineData = aFeature->data();
176 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
177 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
178 (aLineData->attribute(SketchPlugin_Line::START_ID()));
179 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
180 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
181 (aLineData->attribute(SketchPlugin_Line::END_ID()));
182 thePnt1 = thePlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
183 thePnt2 = thePlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
186 } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
187 // The constraint is distance
188 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
189 aData, SketchPlugin_Constraint::ENTITY_A(), thePlane);
190 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
191 aData, SketchPlugin_Constraint::ENTITY_B(), thePlane);
193 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
194 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
195 if (aPoint_A && aPoint_B) {
196 // Both objects are points
197 aPnt_A = aPoint_A->pnt();
198 aPnt_B = aPoint_B->pnt();
199 } else if (!aPoint_A && aPoint_B) {
200 // First object is line
201 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
202 aData, SketchPlugin_Constraint::ENTITY_A());
204 aPnt_B = aPoint_B->pnt();
205 aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
207 } else if (aPoint_A && !aPoint_B) {
208 // Second object is line
209 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
210 aData, SketchPlugin_Constraint::ENTITY_B());
212 aPnt_A = aPoint_A->pnt();
213 aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
216 if (!aPnt_A || !aPnt_B) // Objects not found
219 // Get points from these object
220 std::shared_ptr<GeomAPI_Pnt> aPoint1 = thePlane->to3D(aPnt_A->x(), aPnt_A->y());
221 std::shared_ptr<GeomAPI_Pnt> aPoint2 = thePlane->to3D(aPnt_B->x(), aPnt_B->y());
222 thePnt1 = aPoint1->impl<gp_Pnt>();
223 thePnt2 = aPoint2->impl<gp_Pnt>();
231 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
232 const Standard_Integer theMode)
234 // Map the application selection modes to standard ones
235 Standard_Integer aMode;
237 case 0: // we should use selection of all objects
240 case SketcherPrs_Tools::Sel_Dimension_All:
243 case SketcherPrs_Tools::Sel_Dimension_Line:
246 case SketcherPrs_Tools::Sel_Dimension_Text:
250 // there are own selection modes, so the others should be ignored
251 // otherwise, the text selection appears in the viewer
255 SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
256 AIS_LengthDimension::ComputeSelection(aSelection, aMode);