Function GenTargetVar

Common/DataModel/vtkPolyDataInternals.h:109–113

Convenience method to concatenate a target and type variant into the low four bits of a single byte. Used to build the TargetVarTable.

// Convenience method to concatenate a target and type variant into the low
// four bits of a single byte. Used to build the TargetVarTable.
static constexpr unsigned char GenTargetVar(Target target, TypeVariant var) noexcept
{
  return static_cast<unsigned char>(
    (static_cast<vtkTypeUInt64>(target) | static_cast<vtkTypeUInt64>(var)) >> 60);
}

// Lookup table that maps a VTK cell type (eg. VTK_TRIANGLE) into a target +
// type variant byte.