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_Tools.h"
23 #include <SketchPlugin_Constraint.h>
24 #include <SketchPlugin_Point.h>
25 #include <SketchPlugin_Circle.h>
26 #include <SketchPlugin_Line.h>
27 #include <SketchPlugin_Arc.h>
29 #include <ModelAPI_ResultConstruction.h>
30 #include <ModelAPI_AttributeRefAttr.h>
31 #include <ModelAPI_AttributeDouble.h>
32 #include <ModelAPI_Events.h>
34 #include <ModelGeomAlgo_Point2D.h>
36 #include <Events_InfoMessage.h>
38 #include <GeomDataAPI_Point2D.h>
39 #include <GeomAPI_Lin2d.h>
42 #include <TopoDS_Shape.hxx>
43 #include <TopoDS_Vertex.hxx>
45 #include <Prs3d_DimensionAspect.hxx>
47 #include <BRep_Tool.hxx>
48 #include <Precision.hxx>
50 #include <AIS_Dimension.hxx>
52 namespace SketcherPrs_Tools {
54 AttributePtr getAttribute(ModelAPI_Feature* theFeature, const std::string& theAttrName)
56 AttributePtr anAttribute;
58 std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
59 if (aData.get() && aData->isValid()) { /// essential check as it is called in openGl thread
60 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = aData->refattr(theAttrName);
61 if (!anAttr->isObject())
62 anAttribute = anAttr->attr();
68 ObjectPtr getResult(ModelAPI_Feature* theFeature, const std::string& theAttrName)
72 std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
73 if (aData.get() && aData->isValid()) { /// essential check as it is called in openGl thread
74 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = aData->refattr(theAttrName);
76 anObject = anAttr->object();
83 std::shared_ptr<GeomAPI_Shape> getShape(ObjectPtr theObject)
85 ResultConstructionPtr aRes = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
86 if (aRes.get() != NULL && aRes->data()->isValid()) {
87 /// essential check as it is called in openGl thread
90 return std::shared_ptr<GeomAPI_Shape>();
94 std::shared_ptr<GeomAPI_Pnt2d> getPoint(ModelAPI_Feature* theFeature,
95 const std::string& theAttribute)
97 std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
98 theFeature, theAttribute, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
99 if (aPointAttr.get() != NULL)
100 return aPointAttr->pnt();
101 return std::shared_ptr<GeomAPI_Pnt2d>();
104 //*************************************************************************************
105 /// Find an attribute of the given object which corresponds to a vetrex
106 /// defined by a shape
107 /// \param theObject an object
108 /// \param theShape a vertex
109 /// \param thePlane a projection plane (sketcher plane)
110 std::shared_ptr<GeomDataAPI_Point2D> findGeomPoint(ObjectPtr theObject,
111 const TopoDS_Shape& theShape,
112 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
114 std::shared_ptr<GeomDataAPI_Point2D> aGeomPoint;
116 FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
117 if (anObjectFeature) {
118 if (theShape.ShapeType() == TopAbs_VERTEX) {
119 const TopoDS_Vertex& aShapeVertex = TopoDS::Vertex(theShape);
120 if (!aShapeVertex.IsNull()) {
121 gp_Pnt aShapePoint = BRep_Tool::Pnt(aShapeVertex);
122 std::shared_ptr<GeomAPI_Pnt> aShapeGeomPnt = std::shared_ptr<GeomAPI_Pnt>(
123 new GeomAPI_Pnt(aShapePoint.X(), aShapePoint.Y(), aShapePoint.Z()));
125 // find the given point in the feature attributes
126 std::list<AttributePtr> anObjectAttiributes =
127 anObjectFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
128 std::list<AttributePtr>::const_iterator anIt = anObjectAttiributes.begin(),
129 aLast = anObjectAttiributes.end();
130 for (; anIt != aLast && !aGeomPoint; anIt++) {
131 std::shared_ptr<GeomDataAPI_Point2D> anAttributePoint =
132 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
134 std::shared_ptr<GeomAPI_Pnt> anAttributePnt = thePlane->to3D(anAttributePoint->x(),
135 anAttributePoint->y());
136 if (anAttributePnt.get() &&
137 anAttributePnt->distance(aShapeGeomPnt) < Precision::Confusion()) {
138 aGeomPoint = anAttributePoint;
148 //*************************************************************************************
149 std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
150 const std::string& theAttribute,
151 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
153 std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
155 if (!theData.get() || !theData->isValid()) /// essential check as it is called in openGl thread
159 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
160 ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
162 if (anAttr->isObject()) {
163 ObjectPtr anObject = anAttr->object();
164 aFeature = ModelAPI_Feature::feature(anObject);
165 if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID()) {
166 // Attribute refers to a point
167 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
168 aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
171 // if the attribute refers on another object
172 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
174 GeomShapePtr aShape = aRes->shape();
176 TopoDS_Shape aTDSShape = aShape->impl<TopoDS_Shape>();
177 aPointAttr = findGeomPoint(anObject, aTDSShape, thePlane);
182 else if (anAttr->attr()) {
183 // If attribute is a point
184 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
190 //*************************************************************************************
191 FeaturePtr getFeatureLine(DataPtr theData,
192 const std::string& theAttribute)
195 if (!theData.get() || !theData->isValid()) /// essential check as it is called in openGl thread)
198 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
199 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
201 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
202 if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
209 //*************************************************************************************
210 std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(const FeaturePtr theLine,
211 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
213 DataPtr aData = theLine->data();
214 if (!aData.get() || !aData->isValid())
215 return std::shared_ptr<GeomAPI_Pnt2d>();
217 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
218 aData->attribute(SketchPlugin_Line::START_ID()));
219 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
220 aData->attribute(SketchPlugin_Line::END_ID()));
222 GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
223 return aLin2d.project(thePoint);
227 static double MyArrowSize = 20;
228 double getArrowSize()
233 void setArrowSize(double theSize)
235 MyArrowSize = theSize;
238 int getDefaultArrowSize()
243 static double MyTextHeight = 16;
244 double getTextHeight()
249 void setTextHeight(double theHeight)
251 MyTextHeight = theHeight;
254 double getDefaultTextHeight()
259 double getFlyoutDistance(const ModelAPI_Feature* theConstraint)
261 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutPoint =
262 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
263 const_cast<ModelAPI_Feature*>(
264 theConstraint)->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
265 // for not initialized values return zero distance to avoid Presentation crash
266 if (!aFlyoutPoint->isInitialized())
268 return aFlyoutPoint->y();
271 std::shared_ptr<GeomAPI_Pnt> getAnchorPoint(const ModelAPI_Feature* theConstraint,
272 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
274 ModelAPI_Feature* aConstraint = const_cast<ModelAPI_Feature*>(theConstraint);
275 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
276 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
277 if (!aRefAttr || !aRefAttr->isObject() || !aRefAttr->object())
278 return std::shared_ptr<GeomAPI_Pnt>();
280 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
281 std::shared_ptr<GeomAPI_Pnt2d> aCenter;
282 if (aFeature->getKind() == SketchPlugin_Arc::ID()) { // arc
283 aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
284 aFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
285 } else if (aFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
286 aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
287 aFeature->attribute(SketchPlugin_Circle::CENTER_ID()))->pnt();
289 return std::shared_ptr<GeomAPI_Pnt>();
291 std::shared_ptr<GeomAPI_Pnt2d> anOrigin(new GeomAPI_Pnt2d(0.0, 0.0));
292 std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
293 aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->pnt();
294 double aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
295 aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->value();
296 double aLen = aFlyoutPnt->distance(anOrigin);
297 aRadius *= 1.001; // a gap to make point much closer to the circle, but not lying on it
298 aFlyoutPnt->setX(aCenter->x() + aFlyoutPnt->x() * aRadius / aLen);
299 aFlyoutPnt->setY(aCenter->y() + aFlyoutPnt->y() * aRadius / aLen);
300 return thePlane->to3D(aFlyoutPnt->x(), aFlyoutPnt->y());
303 void sendExpressionShownEvent(const bool& theState)
305 static Events_ID anId = SketcherPrs_ParameterStyleMessage::eventId();
306 std::shared_ptr<SketcherPrs_ParameterStyleMessage> aMessage = std::shared_ptr
307 <SketcherPrs_ParameterStyleMessage>(new SketcherPrs_ParameterStyleMessage(anId, 0));
308 aMessage->setStyle(theState ? SketcherPrs_ParameterStyleMessage::ParameterText
309 : SketcherPrs_ParameterStyleMessage::ParameterValue);
310 Events_Loop::loop()->send(aMessage);
311 Events_Loop::loop()->flush(anId);
314 void sendEmptyPresentationError(ModelAPI_Feature* theFeature, const std::string theError)
316 Events_InfoMessage("SketcherPrs_Tools",
317 "An empty AIS presentation: SketcherPrs_LengthDimension").send();
318 static const Events_ID anEvent = Events_Loop::eventByName(EVENT_EMPTY_AIS_PRESENTATION);
319 std::shared_ptr<ModelAPI_Object> aConstraintPtr(theFeature);
320 ModelAPI_EventCreator::get()->sendUpdated(aConstraintPtr, anEvent);