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 email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
20 #include "SketcherPrs_Tools.h"
22 #include <SketchPlugin_Constraint.h>
23 #include <SketchPlugin_Point.h>
24 #include <SketchPlugin_Circle.h>
25 #include <SketchPlugin_Line.h>
26 #include <SketchPlugin_Arc.h>
28 #include <ModelAPI_ResultConstruction.h>
29 #include <ModelAPI_AttributeRefAttr.h>
30 #include <ModelAPI_AttributeDouble.h>
31 #include <ModelAPI_Events.h>
33 #include <ModelGeomAlgo_Point2D.h>
35 #include <Events_InfoMessage.h>
37 #include <GeomDataAPI_Point2D.h>
38 #include <GeomAPI_Lin2d.h>
41 #include <TopoDS_Shape.hxx>
42 #include <TopoDS_Vertex.hxx>
44 #include <Prs3d_DimensionAspect.hxx>
46 #include <BRep_Tool.hxx>
47 #include <Precision.hxx>
49 #include <AIS_Dimension.hxx>
51 namespace SketcherPrs_Tools {
53 AttributePtr getAttribute(ModelAPI_Feature* theFeature, const std::string& theAttrName)
55 AttributePtr anAttribute;
57 std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
58 if (aData.get() && aData->isValid()) { /// essential check as it is called in openGl thread
59 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = aData->refattr(theAttrName);
60 if (!anAttr->isObject())
61 anAttribute = anAttr->attr();
67 ObjectPtr getResult(ModelAPI_Feature* theFeature, const std::string& theAttrName)
71 std::shared_ptr<ModelAPI_Data> aData = theFeature->data();
72 if (aData.get() && aData->isValid()) { /// essential check as it is called in openGl thread
73 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = aData->refattr(theAttrName);
75 anObject = anAttr->object();
82 std::shared_ptr<GeomAPI_Shape> getShape(ObjectPtr theObject)
84 ResultConstructionPtr aRes = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(theObject);
85 if (aRes.get() != NULL && aRes->data()->isValid()) {
86 /// essential check as it is called in openGl thread
89 return std::shared_ptr<GeomAPI_Shape>();
93 std::shared_ptr<GeomAPI_Pnt2d> getPoint(ModelAPI_Feature* theFeature,
94 const std::string& theAttribute)
96 std::shared_ptr<GeomDataAPI_Point2D> aPointAttr = ModelGeomAlgo_Point2D::getPointOfRefAttr(
97 theFeature, theAttribute, SketchPlugin_Point::ID(), SketchPlugin_Point::COORD_ID());
98 if (aPointAttr.get() != NULL)
99 return aPointAttr->pnt();
100 return std::shared_ptr<GeomAPI_Pnt2d>();
103 //*************************************************************************************
104 /// Find an attribute of the given object which corresponds to a vetrex
105 /// defined by a shape
106 /// \param theObject an object
107 /// \param theShape a vertex
108 /// \param thePlane a projection plane (sketcher plane)
109 std::shared_ptr<GeomDataAPI_Point2D> findGeomPoint(ObjectPtr theObject,
110 const TopoDS_Shape& theShape,
111 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
113 std::shared_ptr<GeomDataAPI_Point2D> aGeomPoint;
115 FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
116 if (anObjectFeature) {
117 if (theShape.ShapeType() == TopAbs_VERTEX) {
118 const TopoDS_Vertex& aShapeVertex = TopoDS::Vertex(theShape);
119 if (!aShapeVertex.IsNull()) {
120 gp_Pnt aShapePoint = BRep_Tool::Pnt(aShapeVertex);
121 std::shared_ptr<GeomAPI_Pnt> aShapeGeomPnt = std::shared_ptr<GeomAPI_Pnt>(
122 new GeomAPI_Pnt(aShapePoint.X(), aShapePoint.Y(), aShapePoint.Z()));
124 // find the given point in the feature attributes
125 std::list<AttributePtr> anObjectAttiributes =
126 anObjectFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
127 std::list<AttributePtr>::const_iterator anIt = anObjectAttiributes.begin(),
128 aLast = anObjectAttiributes.end();
129 for (; anIt != aLast && !aGeomPoint; anIt++) {
130 std::shared_ptr<GeomDataAPI_Point2D> anAttributePoint =
131 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIt);
133 std::shared_ptr<GeomAPI_Pnt> anAttributePnt = thePlane->to3D(anAttributePoint->x(),
134 anAttributePoint->y());
135 if (anAttributePnt.get() &&
136 anAttributePnt->distance(aShapeGeomPnt) < Precision::Confusion()) {
137 aGeomPoint = anAttributePoint;
147 //*************************************************************************************
148 std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
149 const std::string& theAttribute,
150 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
152 std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
154 if (!theData.get() || !theData->isValid()) /// essential check as it is called in openGl thread
158 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
159 ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
161 if (anAttr->isObject()) {
162 ObjectPtr anObject = anAttr->object();
163 aFeature = ModelAPI_Feature::feature(anObject);
164 if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID()) {
165 // Attribute refers to a point
166 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
167 aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
170 // if the attribute refers on another object
171 ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
173 GeomShapePtr aShape = aRes->shape();
175 TopoDS_Shape aTDSShape = aShape->impl<TopoDS_Shape>();
176 aPointAttr = findGeomPoint(anObject, aTDSShape, thePlane);
181 else if (anAttr->attr()) {
182 // If attribute is a point
183 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
189 //*************************************************************************************
190 FeaturePtr getFeatureLine(DataPtr theData,
191 const std::string& theAttribute)
194 if (!theData.get() || !theData->isValid()) /// essential check as it is called in openGl thread)
197 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
198 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
200 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
201 if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
208 //*************************************************************************************
209 std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(const FeaturePtr theLine,
210 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
212 DataPtr aData = theLine->data();
213 if (!aData.get() || !aData->isValid())
214 return std::shared_ptr<GeomAPI_Pnt2d>();
216 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
217 aData->attribute(SketchPlugin_Line::START_ID()));
218 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
219 aData->attribute(SketchPlugin_Line::END_ID()));
221 GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
222 return aLin2d.project(thePoint);
226 static double MyArrowSize = 20;
227 double getArrowSize()
232 void setArrowSize(double theSize)
234 MyArrowSize = theSize;
237 int getDefaultArrowSize()
242 static double MyTextHeight = 16;
243 double getTextHeight()
248 void setTextHeight(double theHeight)
250 MyTextHeight = theHeight;
253 double getDefaultTextHeight()
258 double getFlyoutDistance(const ModelAPI_Feature* theConstraint)
260 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutPoint =
261 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
262 const_cast<ModelAPI_Feature*>(
263 theConstraint)->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
264 // for not initialized values return zero distance to avoid Presentation crash
265 if (!aFlyoutPoint->isInitialized())
267 return aFlyoutPoint->y();
270 std::shared_ptr<GeomAPI_Pnt> getAnchorPoint(const ModelAPI_Feature* theConstraint,
271 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
273 ModelAPI_Feature* aConstraint = const_cast<ModelAPI_Feature*>(theConstraint);
274 AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
275 aConstraint->attribute(SketchPlugin_Constraint::ENTITY_A()));
276 if (!aRefAttr || !aRefAttr->isObject() || !aRefAttr->object())
277 return std::shared_ptr<GeomAPI_Pnt>();
279 FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
280 std::shared_ptr<GeomAPI_Pnt2d> aCenter;
281 if (aFeature->getKind() == SketchPlugin_Arc::ID()) { // arc
282 aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
283 aFeature->attribute(SketchPlugin_Arc::CENTER_ID()))->pnt();
284 } else if (aFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
285 aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
286 aFeature->attribute(SketchPlugin_Circle::CENTER_ID()))->pnt();
288 return std::shared_ptr<GeomAPI_Pnt>();
290 std::shared_ptr<GeomAPI_Pnt2d> anOrigin(new GeomAPI_Pnt2d(0.0, 0.0));
291 std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
292 aConstraint->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()))->pnt();
293 double aRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
294 aConstraint->attribute(SketchPlugin_Constraint::VALUE()))->value();
295 double aLen = aFlyoutPnt->distance(anOrigin);
296 aRadius *= 1.001; // a gap to make point much closer to the circle, but not lying on it
297 aFlyoutPnt->setX(aCenter->x() + aFlyoutPnt->x() * aRadius / aLen);
298 aFlyoutPnt->setY(aCenter->y() + aFlyoutPnt->y() * aRadius / aLen);
299 return thePlane->to3D(aFlyoutPnt->x(), aFlyoutPnt->y());
302 void sendExpressionShownEvent(const bool& theState)
304 static Events_ID anId = SketcherPrs_ParameterStyleMessage::eventId();
305 std::shared_ptr<SketcherPrs_ParameterStyleMessage> aMessage = std::shared_ptr
306 <SketcherPrs_ParameterStyleMessage>(new SketcherPrs_ParameterStyleMessage(anId, 0));
307 aMessage->setStyle(theState ? SketcherPrs_ParameterStyleMessage::ParameterText
308 : SketcherPrs_ParameterStyleMessage::ParameterValue);
309 Events_Loop::loop()->send(aMessage);
310 Events_Loop::loop()->flush(anId);
313 void sendEmptyPresentationError(ModelAPI_Feature* theFeature, const std::string theError)
315 Events_InfoMessage("SketcherPrs_Tools",
316 "An empty AIS presentation: SketcherPrs_LengthDimension").send();
317 static const Events_ID anEvent = Events_Loop::eventByName(EVENT_EMPTY_AIS_PRESENTATION);
318 std::shared_ptr<ModelAPI_Object> aConstraintPtr(theFeature);
319 ModelAPI_EventCreator::get()->sendUpdated(aConstraintPtr, anEvent);