/* GIMP - The GNU Image Manipulation Program * Copyright (C) 1995 Spencer Kimball and Peter Mattis * * gimpcoords.h * Copyright (C) 2002 Simon Budig <simon@gimp.org> * * 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 3 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, see <https://www.gnu.org/licenses/>. */ #ifndef __GIMP_COORDS_H__ #define __GIMP_COORDS_H__ void gimp_coords_mix (const gdouble amul, const GimpCoords *a, const gdouble bmul, const GimpCoords *b, GimpCoords *ret_val); void gimp_coords_average (const GimpCoords *a, const GimpCoords *b, GimpCoords *ret_average); void gimp_coords_add (const GimpCoords *a, const GimpCoords *b, GimpCoords *ret_add); void gimp_coords_difference (const GimpCoords *a, const GimpCoords *b, GimpCoords *difference); void gimp_coords_scale (const gdouble f, const GimpCoords *a, GimpCoords *ret_product); gdouble gimp_coords_scalarprod (const GimpCoords *a, const GimpCoords *b); gdouble gimp_coords_length (const GimpCoords *a); gdouble gimp_coords_length_squared (const GimpCoords *a); gdouble gimp_coords_manhattan_dist (const GimpCoords *a, const GimpCoords *b); gboolean gimp_coords_equal (const GimpCoords *a, const GimpCoords *b); gdouble gimp_coords_direction (const GimpCoords *a, const GimpCoords *b); #endif /* __GIMP_COORDS_H__ */