Campbell Barton
9e365069af
- Added space below non doc-string comments to make it clear these aren't comments for the symbols directly below them. - Use doxy sections for some headers. - Minor improvements to doc-strings. Ref T92709
48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "BLI_index_mask.hh"
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namespace blender {
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IndexMask IndexMask::slice(IndexRange slice) const
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{
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return IndexMask(indices_.slice(slice));
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}
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IndexMask IndexMask::slice_and_offset(const IndexRange slice, Vector<int64_t> &r_new_indices) const
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{
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const int slice_size = slice.size();
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if (slice_size == 0) {
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return {};
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}
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IndexMask sliced_mask{indices_.slice(slice)};
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if (sliced_mask.is_range()) {
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return IndexMask(slice_size);
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}
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const int64_t offset = sliced_mask.indices().first();
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if (offset == 0) {
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return sliced_mask;
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}
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r_new_indices.resize(slice_size);
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for (const int i : IndexRange(slice_size)) {
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r_new_indices[i] = sliced_mask[i] - offset;
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}
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return IndexMask(r_new_indices.as_span());
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}
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} // namespace blender
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