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/*************************************************************************
 * Copyright (C) 2008 Tavian Barnes <tavianator@gmail.com>               *
 *                                                                       *
 * This file is part of Dimension.                                       *
 *                                                                       *
 * Dimension is free software; you can redistribute it and/or modify it  *
 * under the terms of the GNU Lesser General Public License as published *
 * by the Free Software Foundation; either version 3 of the License, or  *
 * (at your option) any later version.                                   *
 *                                                                       *
 * Dimension 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     *
 * Lesser General Public License for more details.                       *
 *                                                                       *
 * You should have received a copy of the GNU Lesser General Public      *
 * License along with this program.  If not, see                         *
 * <http://www.gnu.org/licenses/>.                                       *
 *************************************************************************/

/*
 * Types to represent color.
 */

#ifndef DIMENSION_COLOR_H
#define DIMENSION_COLOR_H

#ifdef __cplusplus
extern "C" {
#endif

/* CIE 1931 XYZ color. */
typedef struct {
  double X, Y, Z; /* X, Y, and Z are the tristimulus values of a color in CIE
                     1931 XYZ color space.  We use an unlimited light model
                     here, where the range of X, Y, and Z are unbounded >= 0. */
  double alpha, trans; /* Alpha transparancy only lets light of this color
                          through; regular transparancy lets all colors
                          through */
} dmnsn_color;

#ifdef __cplusplus
}
#endif

#endif /* DIMENSION_COLOR_H */