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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 xyY color. */
typedef struct {
double x, y, Y; /* x and y are chromaticity coordinates, and Y is luminance,
in the CIE 1931 xyZ color space. We use an unlimited light
model, so x,y in [0, 1] and Y >= 0, with 1 = diffuse
white */
double filter, trans; /* Filter transparancy only lets light of this color
through; regular transparancy lets all colors
through */
} dmnsn_color;
#ifdef __cplusplus
}
#endif
#endif /* DIMENSION_COLOR_H */
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