bounding-box.h

Go to the documentation of this file.

/*
 * GDSII-Converter
 * Copyright (C) 2018  Mario Hüttel <mario.huettel@gmx.net>
 *
 * This file is part of GDSII-Converter.
 *
 * GDSII-Converter is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 * GDSII-Converter 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 GDSII-Converter.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef _BOUNDING_BOX_H_
#define _BOUNDING_BOX_H_
 
#include <glib.h>
#include <gds-render/geometric/vector-operations.h>
#include <stdbool.h>
 
union bounding_box {
        struct _vectors {
                struct vector_2d lower_left;
                struct vector_2d upper_right;
        } vectors;
        struct vector_2d vector_array[2];
};
 
/*
 * @brief Pointer to a function that takes any pointer and converts this object to a vector_2d struct
 */
typedef void (*conv_generic_to_vector_2d_t)(void *, struct vector_2d *);
 
void bounding_box_calculate_from_polygon(GList *vertices, conv_generic_to_vector_2d_t conv_func, union bounding_box *box);
 
void bounding_box_update_with_box(union bounding_box *destination, union bounding_box *update);
 
void bounding_box_prepare_empty(union bounding_box *box);
 
void bounding_box_update_with_point(union bounding_box *destination, conv_generic_to_vector_2d_t conv_func, void *pt);
 
void bounding_box_get_all_points(struct vector_2d *points, union bounding_box *box);
 
void bounding_box_apply_transform(double scale, double rotation_deg, bool flip_at_x, union bounding_box *box);
 
void bounding_box_update_with_path(GList *vertices, double thickness, conv_generic_to_vector_2d_t conv_func, union bounding_box *box);
 
#endif /* _BOUNDING_BOX_H_ */