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.
74 lines
2.8 KiB
C++
74 lines
2.8 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 Heap;
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struct MemArena;
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/**
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* The intention is that this calculates the output of #BLI_polyfill_calc
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* \note assumes the \a coords form a boundary,
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* so any edges running along contiguous (wrapped) indices,
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* are ignored since the edges won't share 2 faces.
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*/
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void BLI_polyfill_beautify(const float (*coords)[2],
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unsigned int coords_tot,
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unsigned int (*tris)[3],
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/* structs for reuse */
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struct MemArena *arena,
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struct Heap *eheap);
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/**
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* Assuming we have 2 triangles sharing an edge (2 - 4),
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* check if the edge running from (1 - 3) gives better results.
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*
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* \param lock_degenerate: Use to avoid rotating out of a degenerate state:
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* - When true, an existing zero area face on either side of the (2 - 4
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* split will return a positive value.
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* - When false, the check must be non-biased towards either split direction.
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* \param r_area: Return the area of the quad,
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* This can be useful when comparing the return value with near zero epsilons.
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* In this case the epsilon can be scaled by the area to avoid the return value
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* of very large faces not having a reliable way to detect near-zero output.
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*
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* \return (negative number means the edge can be rotated, lager == better).
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*/
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float BLI_polyfill_beautify_quad_rotate_calc_ex(const float v1[2],
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const float v2[2],
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const float v3[2],
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const float v4[2],
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bool lock_degenerate,
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float *r_area);
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#define BLI_polyfill_beautify_quad_rotate_calc(v1, v2, v3, v4) \
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BLI_polyfill_beautify_quad_rotate_calc_ex(v1, v2, v3, v4, false, NULL)
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/* avoid realloc's when creating new structures for polyfill ngons */
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#define BLI_POLYFILL_ALLOC_NGON_RESERVE 64
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#ifdef __cplusplus
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}
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#endif
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