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/* SPDX-License-Identifier: GPL-2.0-or-later */
#pragma once
#include "BKE_curves.hh"
/** \file
* \ingroup bke
* \brief Low-level operations for curves.
*/
#include "BLI_function_ref.hh"
#include "BLI_generic_pointer.hh"
namespace blender::bke::curves {
/**
* Copy the provided point attribute values between all curves in the #curve_ranges index
* ranges, assuming that all curves have the same number of control points in #src_curves
* and #dst_curves.
*/
void copy_point_data(const CurvesGeometry &src_curves,
const CurvesGeometry &dst_curves,
Span<IndexRange> curve_ranges,
GSpan src,
GMutableSpan dst);
void copy_point_data(const CurvesGeometry &src_curves,
const CurvesGeometry &dst_curves,
IndexMask src_curve_selection,
GSpan src,
GMutableSpan dst);
template<typename T>
void copy_point_data(const CurvesGeometry &src_curves,
const CurvesGeometry &dst_curves,
const IndexMask src_curve_selection,
const Span<T> src,
MutableSpan<T> dst)
{
copy_point_data(src_curves, dst_curves, src_curve_selection, GSpan(src), GMutableSpan(dst));
}
void fill_points(const CurvesGeometry &curves,
IndexMask curve_selection,
GPointer value,
GMutableSpan dst);
template<typename T>
void fill_points(const CurvesGeometry &curves,
const IndexMask curve_selection,
const T &value,
MutableSpan<T> dst)
{
fill_points(curves, curve_selection, &value, dst);
}
/**
* Copy the size of every curve in #curve_ranges to the corresponding index in #counts.
*/
void fill_curve_counts(const bke::CurvesGeometry &curves,
Span<IndexRange> curve_ranges,
MutableSpan<int> counts);
/**
* Turn an array of sizes into the offset at each index including all previous sizes.
*/
void accumulate_counts_to_offsets(MutableSpan<int> counts_to_offsets, int start_offset = 0);
IndexMask indices_for_type(const VArray<int8_t> &types,
const std::array<int, CURVE_TYPES_NUM> &type_counts,
const CurveType type,
const IndexMask selection,
Vector<int64_t> &r_indices);
void foreach_curve_by_type(const VArray<int8_t> &types,
const std::array<int, CURVE_TYPES_NUM> &type_counts,
IndexMask selection,
FunctionRef<void(IndexMask)> catmull_rom_fn,
FunctionRef<void(IndexMask)> poly_fn,
FunctionRef<void(IndexMask)> bezier_fn,
FunctionRef<void(IndexMask)> nurbs_fn);
} // namespace blender::bke::curves
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