+void SketchSolver_ConstraintRigid::fixPoint(const Slvs_hEntity& thePointID)
+{
+ if (thePointID == SLVS_E_UNKNOWN)
+ return;
+
+ Slvs_Constraint aConstraint;
+ Slvs_hConstraint aConstrID = SLVS_E_UNKNOWN;
+ bool isFixed = myStorage->isPointFixed(thePointID, aConstrID, true);
+ bool isForceUpdate = (isFixed && !myBaseConstraint &&
+ myStorage->isTemporary(aConstrID));
+ if (!isForceUpdate) { // create new constraint
+ if (isFixed) return;
+ aConstraint = Slvs_MakeConstraint(SLVS_E_UNKNOWN, myGroup->getId(), getType(), myGroup->getWorkplaneId(),
+ 0.0, thePointID, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN);
+ aConstraint.h = myStorage->addConstraint(aConstraint);
+ mySlvsConstraints.push_back(aConstraint.h);
+ if (!myBaseConstraint)
+ myStorage->addConstraintWhereDragged(aConstraint.h);
+ } else { // update already existent constraint
+ if (!isFixed || aConstrID == SLVS_E_UNKNOWN || myBaseConstraint)
+ return;
+ aConstraint = myStorage->getConstraint(aConstrID);
+ aConstraint.ptA = thePointID;
+ myStorage->addConstraint(aConstraint);
+ if (!myBaseConstraint)
+ myStorage->addConstraintWhereDragged(aConstraint.h);
+ }
+}
+
+void SketchSolver_ConstraintRigid::fixLine(const Slvs_Entity& theLine)
+{
+ Slvs_Constraint anEqual;
+ if (myStorage->isAxisParallel(theLine.h)) {
+ // Fix one point and a line length
+ Slvs_hConstraint aFixed;
+ if (!myStorage->isPointFixed(theLine.point[0], aFixed, true) &&
+ !myStorage->isPointFixed(theLine.point[1], aFixed, true))
+ fixPoint(theLine.point[0]);
+ if (!myStorage->isUsedInEqual(theLine.h, anEqual)) {
+ // Check the distance is not set yet
+ std::list<Slvs_Constraint> aDistConstr = myStorage->getConstraintsByType(SLVS_C_PT_PT_DISTANCE);
+ std::list<Slvs_Constraint>::const_iterator aDIt = aDistConstr.begin();
+ for (; aDIt != aDistConstr.end(); aDIt++)
+ if ((aDIt->ptA == theLine.point[0] && aDIt->ptB == theLine.point[1]) ||
+ (aDIt->ptA == theLine.point[1] && aDIt->ptB == theLine.point[0]))
+ return;
+ // Calculate distance between points on the line
+ double aCoords[4];
+ for (int i = 0; i < 2; i++) {
+ Slvs_Entity aPnt = myStorage->getEntity(theLine.point[i]);
+ for (int j = 0; j < 2; j++) {
+ Slvs_Param aParam = myStorage->getParameter(aPnt.param[j]);
+ aCoords[2*i+j] = aParam.val;
+ }
+ }
+ double aLength = sqrt((aCoords[2] - aCoords[0]) * (aCoords[2] - aCoords[0]) +
+ (aCoords[3] - aCoords[1]) * (aCoords[3] - aCoords[1]));
+ // fix line length
+ Slvs_Constraint aDistance = Slvs_MakeConstraint(SLVS_E_UNKNOWN, myGroup->getId(),
+ SLVS_C_PT_PT_DISTANCE, myGroup->getWorkplaneId(), aLength,
+ theLine.point[0], theLine.point[1], SLVS_E_UNKNOWN, SLVS_E_UNKNOWN);
+ aDistance.h = myStorage->addConstraint(aDistance);
+ mySlvsConstraints.push_back(aDistance.h);
+ }
+ return;
+ }
+ else if (myStorage->isUsedInEqual(theLine.h, anEqual)) {
+ // Check another entity of Equal is already fixed
+ Slvs_hEntity anOtherEntID = anEqual.entityA == theLine.h ? anEqual.entityB : anEqual.entityA;
+ if (myStorage->isEntityFixed(anOtherEntID, true)) {
+ // Fix start point of the line (if end point is not fixed yet) ...
+ Slvs_hConstraint anEndFixedID = SLVS_E_UNKNOWN;
+ bool isFixed = myStorage->isPointFixed(theLine.point[1], anEndFixedID, true);
+ if (isFixed == SLVS_E_UNKNOWN)
+ fixPoint(theLine.point[0]);
+ // ... and create fixed point lying on this line
+ Slvs_hEntity aPointToCopy = anEndFixedID == SLVS_E_UNKNOWN ? theLine.point[1] : theLine.point[0];
+ // Firstly, search already fixed point on line
+ bool isPonLineFixed = false;
+ Slvs_hEntity aFixedPoint;
+ std::list<Slvs_Constraint> aPonLineList = myStorage->getConstraintsByType(SLVS_C_PT_ON_LINE);
+ std::list<Slvs_Constraint>::const_iterator aPLIter = aPonLineList.begin();
+ for (; aPLIter != aPonLineList.end() && !isPonLineFixed; aPLIter++)
+ if (aPLIter->entityA == theLine.h) {
+ isPonLineFixed = myStorage->isPointFixed(aPLIter->ptA, anEndFixedID);
+ aFixedPoint = aPLIter->ptA;
+ }
+
+ if (isPonLineFixed) { // update existent constraint
+ myStorage->copyEntity(aPointToCopy, aFixedPoint);
+ } else { // create new constraint
+ Slvs_hEntity aCopied = myStorage->copyEntity(aPointToCopy);
+ Slvs_Constraint aPonLine = Slvs_MakeConstraint(SLVS_E_UNKNOWN, myGroup->getId(), SLVS_C_PT_ON_LINE,
+ myGroup->getWorkplaneId(), 0.0, aCopied, SLVS_E_UNKNOWN, theLine.h, SLVS_E_UNKNOWN);
+ aPonLine.h = myStorage->addConstraint(aPonLine);
+ mySlvsConstraints.push_back(aPonLine.h);
+ fixPoint(aCopied);
+ }
+ return;
+ }
+ }
+
+ for (int i = 0; i < 2; i++)
+ fixPoint(theLine.point[i]);
+}
+
+void SketchSolver_ConstraintRigid::fixCircle(const Slvs_Entity& theCircle)
+{
+ bool isFixRadius = true;
+ // Verify the arc is under Equal constraint
+ Slvs_Constraint anEqual;
+ if (myStorage->isUsedInEqual(theCircle.h, anEqual)) {
+ // Check another entity of Equal is already fixed
+ Slvs_hEntity anOtherEntID = anEqual.entityA == theCircle.h ? anEqual.entityB : anEqual.entityA;
+ if (myStorage->isEntityFixed(anOtherEntID, true))
+ isFixRadius = false;
+ }
+
+ fixPoint(theCircle.point[0]);
+
+ if (isFixRadius) {
+ // Search the radius is already fixed
+ std::list<Slvs_Constraint> aDiamConstr = myStorage->getConstraintsByType(SLVS_C_DIAMETER);
+ std::list<Slvs_Constraint>::const_iterator aDiamIter = aDiamConstr.begin();
+ for (; aDiamIter != aDiamConstr.end(); aDiamIter++)
+ if (aDiamIter->entityA == theCircle.h)
+ return;
+
+ // Fix radius of a circle
+ AttributeDoublePtr aRadiusAttr = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ myFeatureMap.begin()->first->attribute(SketchPlugin_Circle::RADIUS_ID()));
+ Slvs_Constraint aFixedR = Slvs_MakeConstraint(SLVS_E_UNKNOWN, myGroup->getId(), SLVS_C_DIAMETER,
+ myGroup->getWorkplaneId(), aRadiusAttr->value() * 2.0, SLVS_E_UNKNOWN, SLVS_E_UNKNOWN,
+ myFeatureMap.begin()->second, SLVS_E_UNKNOWN);
+ aFixedR.h = myStorage->addConstraint(aFixedR);
+ mySlvsConstraints.push_back(aFixedR.h);
+ }
+}