Campbell Barton
3d3bc74884
MSVC used to warn about const mismatch for arguments passed by value. Remove these as newer versions of MSVC no longer show this warning.
63 lines
2.1 KiB
C++
63 lines
2.1 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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#pragma once
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/** \file
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* \ingroup bli
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct MemArena;
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/**
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* A version of #BLI_polyfill_calc that uses a memory arena to avoid re-allocations.
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*/
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void BLI_polyfill_calc_arena(const float (*coords)[2],
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unsigned int coords_tot,
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int coords_sign,
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unsigned int (*r_tris)[3],
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struct MemArena *arena);
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/**
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* Triangulates the given (convex or concave) simple polygon to a list of triangle vertices.
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*
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* \param coords: 2D coordinates describing vertices of the polygon,
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* in either clockwise or counterclockwise order.
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* \param coords_tot: Total points in the array.
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* \param coords_sign: Pass this when we know the sign in advance to avoid extra calculations.
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*
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* \param r_tris: This array is filled in with triangle indices in clockwise order.
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* The length of the array must be `coords_tot - 2`.
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* Indices are guaranteed to be assigned to unique triangles, with valid indices,
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* even in the case of degenerate input (self intersecting polygons, zero area ears... etc).
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*/
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void BLI_polyfill_calc(const float (*coords)[2],
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unsigned int coords_tot,
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int coords_sign,
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unsigned int (*r_tris)[3]);
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/* default size of polyfill arena */
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#define BLI_POLYFILL_ARENA_SIZE MEM_SIZE_OPTIMAL(1 << 14)
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#ifdef __cplusplus
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}
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#endif
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