bool validateCurveData(Abc::P3fArraySamplePtr pCurvePos,
Abc::Int32ArraySamplePtr pCurveNbVertices,
Abc::UInt16ArraySamplePtr pOrders,
Abc::FloatArraySamplePtr pKnotVec, AbcG::CurveType type)
{
ESS_PROFILE_FUNC();
int nDefaultOrder = 4;
const int numCurves = (int)pCurveNbVertices->size();
const int numControl = (int)pCurvePos->size();
int numControlNB = 0;
for (int i = 0; i < pCurveNbVertices->size(); i++) {
numControlNB += pCurveNbVertices->get()[i];
}
if (numControl != numControlNB) {
ESS_LOG_ERROR(
"Size mismatch between vertices and nbVertices. Cannot load curve.");
return false;
}
if (pOrders && pCurveNbVertices->size() != pOrders->size()) {
ESS_LOG_ERROR(
"Size mismatch between numOrders and nbVertices. Cannot load curve.");
return false;
}
if (pKnotVec) {
int abcTotalKnots = 0; // numControl + numCurves * (nDefaultOrder - 2) ;
if (pOrders) {
// calculate the expected knot vec size
for (int i = 0; i < pCurveNbVertices->size(); i++) {
abcTotalKnots += pCurveNbVertices->get()[i] + pOrders->get()[i] - 2;
}
}
else { // single order
int nOrder = 0;
if (type == AbcG::kCubic) {
nOrder = 4;
}
else if (type == AbcG::kLinear) {
nOrder = 2;
}
abcTotalKnots = numControl + numCurves * (nOrder - 2);
}
if (abcTotalKnots != pKnotVec->size()) {
ESS_LOG_ERROR("Knot vector has the wrong size. Cannot load curve.");
}
}
return true;
}
