mirror of https://github.com/GNOME/gimp.git
56 lines
2.4 KiB
C
56 lines
2.4 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpcoords.h
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* Copyright (C) 2002 Simon Budig <simon@gimp.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_COORDS_H__
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#define __GIMP_COORDS_H__
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void gimp_coords_mix (const gdouble amul,
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const GimpCoords *a,
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const gdouble bmul,
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const GimpCoords *b,
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GimpCoords *ret_val);
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void gimp_coords_average (const GimpCoords *a,
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const GimpCoords *b,
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GimpCoords *ret_average);
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void gimp_coords_add (const GimpCoords *a,
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const GimpCoords *b,
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GimpCoords *ret_add);
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void gimp_coords_difference (const GimpCoords *a,
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const GimpCoords *b,
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GimpCoords *difference);
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void gimp_coords_scale (const gdouble f,
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const GimpCoords *a,
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GimpCoords *ret_product);
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gdouble gimp_coords_scalarprod (const GimpCoords *a,
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const GimpCoords *b);
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gdouble gimp_coords_length (const GimpCoords *a);
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gdouble gimp_coords_length_squared (const GimpCoords *a);
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gdouble gimp_coords_manhattan_dist (const GimpCoords *a,
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const GimpCoords *b);
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gboolean gimp_coords_equal (const GimpCoords *a,
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const GimpCoords *b);
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#endif /* __GIMP_COORDS_H__ */
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