diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_curves.hh')
| -rw-r--r-- | source/blender/blenkernel/BKE_curves.hh | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_curves.hh b/source/blender/blenkernel/BKE_curves.hh index 0f2ae8a02a6..82f77d83bec 100644 --- a/source/blender/blenkernel/BKE_curves.hh +++ b/source/blender/blenkernel/BKE_curves.hh @@ -146,6 +146,8 @@ class CurvesGeometry : public ::CurvesGeometry { MutableSpan<int8_t> curve_types(); bool has_curve_with_type(const CurveType type) const; + /** Return the number of curves with each type. */ + std::array<int, CURVE_TYPES_NUM> count_curve_types() const; MutableSpan<float3> positions(); Span<float3> positions() const; @@ -264,6 +266,15 @@ class CurvesGeometry : public ::CurvesGeometry { Span<float3> evaluated_positions() const; + /** + * Evaluate a generic data to the standard evaluated points of a specific curve, + * defined by the resolution attribute or other factors, depending on the curve type. + * + * \warning This function expects offsets to the evaluated points for each curve to be + * calculated. That can be ensured with #ensure_evaluated_offsets. + */ + void interpolate_to_evaluated(int curve_index, GSpan src, GMutableSpan dst) const; + private: /** * Make sure the basis weights for NURBS curve's evaluated points are calculated. @@ -379,6 +390,13 @@ void calculate_evaluated_positions(Span<float3> positions, Span<int> evaluated_offsets, MutableSpan<float3> evaluated_positions); +/** + * Evaluate generic data to the evaluated points, with counts for each segment described by + * #evaluated_offsets. Unlike other curve types, for Bezier curves generic data and positions + * are treated separately, since attribute values aren't stored for the handle control points. + */ +void interpolate_to_evaluated(GSpan src, Span<int> evaluated_offsets, GMutableSpan dst); + } // namespace bezier namespace catmull_rom { |