6192695a94
Generally the `extern "C" {` brackets shouldn't be added around other
headers since it causes problems when using C++ features in them.
Follow that convention for the "bmesh.h" header.
78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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/** \file
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* \ingroup bmesh
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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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float BM_loop_uv_calc_edge_length_squared(const BMLoop *l,
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int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL();
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float BM_loop_uv_calc_edge_length(const BMLoop *l, int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL();
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/**
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* Computes the UV center of a face, using the mean average weighted by edge length.
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*
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* See #BM_face_calc_center_median_weighted for matching spatial functionality.
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*
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* \param aspect: Calculate the center scaling by these values, and finally dividing.
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* Since correct weighting depends on having the correct aspect.
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*/
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void BM_face_uv_calc_center_median_weighted(const BMFace *f,
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const float aspect[2],
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int cd_loop_uv_offset,
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float r_cent[2]) ATTR_NONNULL();
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void BM_face_uv_calc_center_median(const BMFace *f, int cd_loop_uv_offset, float r_cent[2])
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ATTR_NONNULL();
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/**
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* Calculate the UV cross product (use the sign to check the winding).
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*/
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float BM_face_uv_calc_cross(const BMFace *f, int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL();
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void BM_face_uv_minmax(const BMFace *f, float min[2], float max[2], int cd_loop_uv_offset);
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bool BM_loop_uv_share_edge_check_with_limit(BMLoop *l_a,
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BMLoop *l_b,
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const float limit[2],
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int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
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ATTR_NONNULL();
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/**
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* Check if two loops that share an edge also have the same UV coordinates.
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*/
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bool BM_loop_uv_share_edge_check(BMLoop *l_a,
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BMLoop *l_b,
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int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
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/**
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* Check if two loops that share a vertex also have the same UV coordinates.
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*/
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bool BM_edge_uv_share_vert_check(BMEdge *e, BMLoop *l_a, BMLoop *l_b, int cd_loop_uv_offset)
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ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
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/**
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* Check if two loops that share a vertex also have the same UV coordinates.
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*/
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bool BM_loop_uv_share_vert_check(BMLoop *l_a,
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BMLoop *l_b,
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int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
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/**
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* Check if the point is inside the UV face.
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*/
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bool BM_face_uv_point_inside_test(const BMFace *f,
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const float co[2],
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int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
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#ifdef __cplusplus
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}
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#endif
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