/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */

#ifndef __BMESH_QUERY_UV_H__
#define __BMESH_QUERY_UV_H__

/** \file
 * \ingroup bmesh
 */

float BM_loop_uv_calc_edge_length_squared(const BMLoop *l,
                                          const int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL();
float BM_loop_uv_calc_edge_length(const BMLoop *l,
                                  const int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL();

void BM_face_uv_calc_center_median_weighted(const BMFace *f,
                                            const float aspect[2],
                                            const int cd_loop_uv_offset,
                                            float r_cent[2]) ATTR_NONNULL();

float BM_face_uv_calc_cross(const BMFace *f, const int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL();

bool BM_loop_uv_share_edge_check(BMLoop *l_a,
                                 BMLoop *l_b,
                                 const int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL();

bool BM_edge_uv_share_vert_check(BMEdge *e, BMLoop *l_a, BMLoop *l_b, const int cd_loop_uv_offset)
    ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();

bool BM_loop_uv_share_vert_check(BMLoop *l_a,
                                 BMLoop *l_b,
                                 const int cd_loop_uv_offset) ATTR_WARN_UNUSED_RESULT
    ATTR_NONNULL();

#endif /* __BMESH_QUERY_UV_H__ */