+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
+
// File: SketchSolver_Solver.cpp
// Created: 07 May 2014
// Author: Artem ZHIDKOV
#include "SketchSolver_Solver.h"
+#include <Events_LongOp.h>
+
+SketchSolver_Solver::SketchSolver_Solver()
+{
+ // Nullify all elements of the set of equations
+ myEquationsSystem.param = 0;
+ myEquationsSystem.params = 0;
+ myEquationsSystem.entity = 0;
+ myEquationsSystem.entities = 0;
+ myEquationsSystem.constraint = 0;
+ myEquationsSystem.constraints = 0;
+ myEquationsSystem.failed = 0;
+ myEquationsSystem.faileds = 0;
+
+ myEquationsSystem.dragged[0] = 0;
+ myEquationsSystem.dragged[1] = 0;
+ myEquationsSystem.dragged[2] = 0;
+ myEquationsSystem.dragged[3] = 0;
+
+ // If the set of constraints is inconsistent,
+ // the failed field will contain wrong constraints
+ myEquationsSystem.calculateFaileds = 1;
+}
+
+SketchSolver_Solver::~SketchSolver_Solver()
+{
+ if (myEquationsSystem.constraint)
+ delete[] myEquationsSystem.constraint;
+ if (myEquationsSystem.failed)
+ delete[] myEquationsSystem.failed;
+}
+
+void SketchSolver_Solver::setParameters(Slvs_Param* theParameters, int theSize)
+{
+ myEquationsSystem.param = theParameters;
+ myEquationsSystem.params = theSize;
+}
+
+
+void SketchSolver_Solver::setDraggedParameters(const Slvs_hParam* theDragged)
+{
+ for (unsigned int i = 0; i < 4; i++)
+ myEquationsSystem.dragged[i] = theDragged[i];
+}
+
+void SketchSolver_Solver::setEntities(Slvs_Entity* theEntities, int theSize)
+{
+ myEquationsSystem.entity = theEntities;
+ myEquationsSystem.entities = theSize;
+}
+
+void SketchSolver_Solver::setConstraints(Slvs_Constraint* theConstraints, int theSize)
+{
+ if (!myEquationsSystem.constraint) {
+ myEquationsSystem.constraint = new Slvs_Constraint[theSize];
+ myEquationsSystem.constraints = theSize;
+ }
+ else if (myEquationsSystem.constraints != theSize) {
+ if (theSize > myEquationsSystem.constraints) {
+ delete[] myEquationsSystem.constraint;
+ myEquationsSystem.constraint = new Slvs_Constraint[theSize];
+ }
+ myEquationsSystem.constraints = theSize;
+ }
+ memcpy(myEquationsSystem.constraint, theConstraints, theSize * sizeof(Slvs_Constraint));
+}
+
+
+int SketchSolver_Solver::solve()
+{
+ if (myEquationsSystem.constraints <= 0)
+ return SLVS_RESULT_EMPTY_SET;
+
+ Events_LongOp::start(this);
+ Slvs_Solve(&myEquationsSystem, myGroupID);
+ Events_LongOp::end(this);
+
+ return myEquationsSystem.result;
+}
+
+bool SketchSolver_Solver::getResult(std::vector<Slvs_Param>& theParameters)
+{
+ if (myEquationsSystem.result != SLVS_RESULT_OKAY)
+ return false;
+
+ if (theParameters.size() != myEquationsSystem.params)
+ return false; // number of parameters is not the same
+
+ std::vector<Slvs_Param>::iterator aParamIter = theParameters.begin();
+ for (int i = 0; i < myEquationsSystem.params; i++, aParamIter++) {
+ if (myEquationsSystem.param[i].h != aParamIter->h)
+ return false; // sequence of parameters was changed
+ aParamIter->val = myEquationsSystem.param[i].val;
+ }
+
+ return true;
+}
