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_ConstraintDistanceHorizontal.h>
29 #include <SketchPlugin_ConstraintDistanceVertical.h>
30 #include <SketchPlugin_Line.h>
31 #include <SketchPlugin_Point.h>
32 #include <SketchPlugin_Circle.h>
34 #include <GeomDataAPI_Point2D.h>
35 #include <GeomAPI_Pnt.h>
36 #include <GeomAPI_XYZ.h>
37 #include <GeomAPI_Pnt2d.h>
38 #include <GeomAPI_Lin2d.h>
40 #include <ModelAPI_Data.h>
41 #include <ModelAPI_AttributeDouble.h>
43 #include <AIS_DisplaySpecialSymbol.hxx>
46 /// Creates an aspect to be shown in length/radius dimension presentations
47 /// \return an instance of aspect
48 Handle(Prs3d_DimensionAspect) createDimensionAspect()
50 Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
51 anAspect->MakeArrows3d(false);
52 anAspect->MakeText3d(false);
53 anAspect->MakeTextShaded(false);
54 anAspect->MakeUnitsDisplayed(false);
55 anAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
56 anAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
61 /// Update variable aspect parameters (depending on viewer scale)
62 /// \param theDimAspect an aspect to be changed
63 /// \param theDimValue an arrow value
64 /// \param theTextSize an arrow value
65 void updateArrows(Handle(Prs3d_DimensionAspect) theDimAspect,
66 double theDimValue, double theTextSize)
68 double anArrowLength = theDimAspect->ArrowAspect()->Length();
69 // This is not realy correct way to get viewer scale.
70 double aViewerScale = (double) SketcherPrs_Tools::getDefaultArrowSize() / anArrowLength;
72 if(theTextSize > ((theDimValue - 3 * SketcherPrs_Tools::getArrowSize()) * aViewerScale)) {
73 theDimAspect->SetTextHorizontalPosition(Prs3d_DTHP_Left);
74 theDimAspect->SetArrowOrientation(Prs3d_DAO_External);
75 theDimAspect->SetExtensionSize(
76 (theTextSize / aViewerScale + SketcherPrs_Tools::getArrowSize()) / 2.0);
78 theDimAspect->SetTextHorizontalPosition(Prs3d_DTHP_Center);
79 theDimAspect->SetArrowOrientation(Prs3d_DAO_Internal);
81 theDimAspect->SetArrowTailSize(theDimAspect->ArrowAspect()->Length());
82 // The value of vertical aligment is sometimes changed
83 theDimAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
87 static const gp_Pnt MyDefStart(0,0,0);
88 static const gp_Pnt MyDefEnd(1,0,0);
89 static const gp_Pln MyDefPln(gp_Pnt(0,0,0), gp_Dir(0,0,1));
91 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_LengthDimension, AIS_LengthDimension);
93 SketcherPrs_LengthDimension::SketcherPrs_LengthDimension(ModelAPI_Feature* theConstraint,
94 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
95 : AIS_LengthDimension(MyDefStart, MyDefEnd, MyDefPln),
96 myConstraint(theConstraint),
97 mySketcherPlane(thePlane),
98 myFirstPoint(MyDefStart),
99 mySecondPoint(MyDefEnd),
102 myValue(0., false, "")
104 SetDimensionAspect(createDimensionAspect());
105 myStyleListener = new SketcherPrs_DimensionStyleListener();
108 SketcherPrs_LengthDimension::~SketcherPrs_LengthDimension()
110 delete myStyleListener;
113 bool SketcherPrs_LengthDimension::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
114 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
117 return readyToDisplay(theConstraint, thePlane, aPnt1, aPnt2);
120 void SketcherPrs_LengthDimension::Compute(
121 const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
122 const Handle(Prs3d_Presentation)& thePresentation,
123 const Standard_Integer theMode)
126 bool aReadyToDisplay = readyToDisplay(myConstraint, mySketcherPlane, aPnt1, aPnt2);
127 if (aReadyToDisplay) {
128 myFirstPoint = aPnt1;
129 mySecondPoint = aPnt2;
131 myDistance = SketcherPrs_Tools::getFlyoutDistance(myConstraint);
132 myPlane = gp_Pln(mySketcherPlane->impl<gp_Ax3>());
134 DataPtr aData = myConstraint->data();
135 AttributeDoublePtr anAttributeValue = aData->real(SketchPlugin_Constraint::VALUE());
136 myValue.init(anAttributeValue);
139 // compute flyout distance
140 SetFlyout(myDistance);
141 SetMeasuredGeometry(myFirstPoint, mySecondPoint, myPlane);
143 // Update variable aspect parameters (depending on viewer scale)
144 double aTextSize = 0.0;
145 GetValueString(aTextSize);
147 updateArrows(DimensionAspect(), GetValue(), aTextSize);
149 // Update text visualization: parameter value or parameter text
150 myStyleListener->updateDimensions(this, myValue);
152 AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
154 if (!aReadyToDisplay)
155 SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
156 "An empty AIS presentation: SketcherPrs_LengthDimension");
159 bool SketcherPrs_LengthDimension::readyToDisplay(ModelAPI_Feature* theConstraint,
160 const std::shared_ptr<GeomAPI_Ax3>& thePlane,
161 gp_Pnt& thePnt1, gp_Pnt& thePnt2)
163 DataPtr aData = theConstraint->data();
164 if (theConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
165 // The constraint is length
166 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
167 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
168 (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
172 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
173 if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
176 // Get geometry of the object
177 DataPtr aLineData = aFeature->data();
178 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
179 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
180 (aLineData->attribute(SketchPlugin_Line::START_ID()));
181 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
182 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
183 (aLineData->attribute(SketchPlugin_Line::END_ID()));
184 thePnt1 = thePlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
185 thePnt2 = thePlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
188 } else if (theConstraint->getKind() == SketchPlugin_ConstraintDistance::ID() ||
189 theConstraint->getKind() == SketchPlugin_ConstraintDistanceHorizontal::ID() ||
190 theConstraint->getKind() == SketchPlugin_ConstraintDistanceVertical::ID()) {
191 // The constraint is distance
192 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
193 aData, SketchPlugin_Constraint::ENTITY_A(), thePlane);
194 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
195 aData, SketchPlugin_Constraint::ENTITY_B(), thePlane);
197 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
198 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
199 if (aPoint_A && aPoint_B) {
200 // Both objects are points
201 aPnt_A = aPoint_A->pnt();
202 aPnt_B = aPoint_B->pnt();
203 } else if (!aPoint_A && aPoint_B) {
204 // First object is line
205 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
206 aData, SketchPlugin_Constraint::ENTITY_A());
208 aPnt_B = aPoint_B->pnt();
209 aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
211 } else if (aPoint_A && !aPoint_B) {
212 // Second object is line
213 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
214 aData, SketchPlugin_Constraint::ENTITY_B());
216 aPnt_A = aPoint_A->pnt();
217 aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
220 if (!aPnt_A || !aPnt_B) // Objects not found
223 // Get points from these object
224 std::shared_ptr<GeomAPI_Pnt> aPoint1 = thePlane->to3D(aPnt_A->x(), aPnt_A->y());
225 std::shared_ptr<GeomAPI_Pnt> aPoint2 = thePlane->to3D(aPnt_B->x(), aPnt_B->y());
226 thePnt1 = aPoint1->impl<gp_Pnt>();
227 thePnt2 = aPoint2->impl<gp_Pnt>();
235 void SketcherPrs_LengthDimension::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
236 const Standard_Integer theMode)
238 // Map the application selection modes to standard ones
239 Standard_Integer aMode;
241 case 0: // we should use selection of all objects
244 case SketcherPrs_Tools::Sel_Dimension_All:
247 case SketcherPrs_Tools::Sel_Dimension_Line:
250 case SketcherPrs_Tools::Sel_Dimension_Text:
254 // there are own selection modes, so the others should be ignored
255 // otherwise, the text selection appears in the viewer
259 SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
260 AIS_LengthDimension::ComputeSelection(aSelection, aMode);