------------------------------------------------------------------------------ This function is used to generalize the call to vtkDataArray::GetRange and vtkDataArray::GetFiniteRange without having to copy / paste.
| 26 | // This function is used to generalize the call to vtkDataArray::GetRange |
| 27 | // and vtkDataArray::GetFiniteRange without having to copy / paste. |
| 28 | bool GetRangeImpl(vtkFieldData* self, int index, double range[2], int comp, |
| 29 | std::vector<std::array<::CachedGhostRangeType, 2>>& ranges, |
| 30 | bool (vtkDataArray::*ComputeVectorRangeMethod)(double*, const unsigned char*, unsigned char), |
| 31 | bool (vtkDataArray::*ComputeScalarRangeMethod)(double*, const unsigned char*, unsigned char)) |
| 32 | { |
| 33 | auto array = vtkArrayDownCast<vtkDataArray>(self->GetAbstractArray(index)); |
| 34 | if (array && (comp < array->GetNumberOfComponents() || comp == -1)) |
| 35 | { |
| 36 | if (comp == -1 && array->GetNumberOfComponents() == 1) |
| 37 | { |
| 38 | comp = 0; |
| 39 | } |
| 40 | CachedGhostRangeType& cache = ranges[index][comp == -1 ? 0 : 1]; |
| 41 | vtkMTimeType& arrayTime = std::get<0>(cache); |
| 42 | vtkMTimeType& ghostTime = std::get<1>(cache); |
| 43 | |
| 44 | // It is possible that the number of components get changed at some point. |
| 45 | // If it happens, just update the cache size. The range will be recomputed no matter |
| 46 | // what thanks to the time stamp |
| 47 | if (comp != -1) |
| 48 | { |
| 49 | std::get<2>(cache).resize(array->GetNumberOfComponents() * 2); |
| 50 | } |
| 51 | double* cachedRange = std::get<2>(cache).data(); |
| 52 | |
| 53 | vtkUnsignedCharArray* ghosts = self->GetGhostArray(); |
| 54 | bool retVal = true; |
| 55 | |
| 56 | if (arrayTime != array->GetMTime() || ghostTime != (ghosts ? ghosts->GetMTime() : 0)) |
| 57 | { |
| 58 | if (comp < 0) |
| 59 | { |
| 60 | retVal = (array->*ComputeVectorRangeMethod)(cachedRange, |
| 61 | ghosts ? ghosts->GetPointer(0) : nullptr, ghosts ? self->GetGhostsToSkip() : 0); |
| 62 | } |
| 63 | else |
| 64 | { |
| 65 | retVal = (array->*ComputeScalarRangeMethod)(cachedRange, |
| 66 | ghosts ? ghosts->GetPointer(0) : nullptr, ghosts ? self->GetGhostsToSkip() : 0); |
| 67 | } |
| 68 | arrayTime = array->GetMTime(); |
| 69 | ghostTime = ghosts ? ghosts->GetMTime() : 0; |
| 70 | } |
| 71 | |
| 72 | range[0] = cachedRange[std::max(0, comp * 2)]; |
| 73 | range[1] = cachedRange[std::max(1, comp * 2 + 1)]; |
| 74 | return retVal; |
| 75 | } |
| 76 | |
| 77 | constexpr double NaN = std::numeric_limits<double>::quiet_NaN(); |
| 78 | range[0] = NaN; |
| 79 | range[1] = NaN; |
| 80 | return false; |
| 81 | } |
| 82 | } // anonymous namespace |
| 83 | |
| 84 | //------------------------------------------------------------------------------ |
no test coverage detected