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58 lines
2.1 KiB
58 lines
2.1 KiB
#ifndef Magnum_MeshTools_Duplicate_h |
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#define Magnum_MeshTools_Duplicate_h |
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/* |
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This file is part of Magnum. |
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Copyright © 2010, 2011, 2012, 2013, 2014 |
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Vladimír Vondruš <mosra@centrum.cz> |
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Permission is hereby granted, free of charge, to any person obtaining a |
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copy of this software and associated documentation files (the "Software"), |
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to deal in the Software without restriction, including without limitation |
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the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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and/or sell copies of the Software, and to permit persons to whom the |
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Software is furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included |
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in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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DEALINGS IN THE SOFTWARE. |
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*/ |
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/** @file |
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* @brief Function @ref Magnum::MeshTools::duplicate() |
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*/ |
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#include <vector> |
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#include <Corrade/Utility/Assert.h> |
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#include "Magnum/Types.h" |
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namespace Magnum { namespace MeshTools { |
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/** |
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@brief Duplicate data using index array |
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Converts indexed array to non-indexed, for example data `{a, b, c, d}` with |
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index array `{1, 1, 0, 3, 2, 2}` will be converted to `{b, b, a, d, c, c}`. |
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@see @ref removeDuplicates(), @ref combineIndexedArrays() |
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*/ |
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template<class T> std::vector<T> duplicate(const std::vector<UnsignedInt>& indices, const std::vector<T>& data) { |
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std::vector<T> out; |
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out.reserve(indices.size()); |
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for(const UnsignedInt index: indices) { |
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CORRADE_ASSERT(index < data.size(), "MeshTools::duplicate(): index out of range", out); |
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out.push_back(data[index]); |
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} |
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return out; |
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} |
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}} |
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#endif
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