blender-archive/source/blender/blenlib/BLI_lasso_2d.h

/*
 * 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.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 */

#pragma once

/** \file
 * \ingroup bli
 */

#ifdef __cplusplus
extern "C" {
#endif

struct rcti;

void BLI_lasso_boundbox(struct rcti *rect, const int mcoords[][2], unsigned int mcoords_len);
bool BLI_lasso_is_point_inside(
    const int mcoords[][2], unsigned int mcoords_len, int sx, int sy, int error_value);
/**
 * Edge version for lasso select. We assume bound-box check was done.
 */
bool BLI_lasso_is_edge_inside(const int mcoords[][2],
                              unsigned int mcoords_len,
                              int x0,
                              int y0,
                              int x1,
                              int y1,
                              int error_value);

#ifdef __cplusplus
}
#endif