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/*************************************************************************
* Copyright (C) 2009-2010 Tavian Barnes <tavianator@tavianator.com> *
* *
* This file is part of The Dimension Library. *
* *
* The Dimension Library 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. *
* *
* The Dimension Library 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/>. *
*************************************************************************/
/**
* @file
* Pre-defined finishes.
*/
#ifndef DIMENSION_FINISHES_H
#define DIMENSION_FINISHES_H
/**
* Add two finishes together.
* @param[in,out] f1 The first finish.
* @param[in,out] f2 The second finish.
* @return A finish that adds the values of two finishes together.
*/
dmnsn_finish *dmnsn_new_finish_combination(dmnsn_finish *f1, dmnsn_finish *f2);
/**
* Ambient finish.
* @param[in] ambient The color of the ambient light.
* @return A finish with ambient light.
*/
dmnsn_finish *dmnsn_new_ambient_finish(dmnsn_color ambient);
/**
* Diffuse finish.
* @param[in] diffuse The diffuse reflection coefficient.
* @return A finish with diffuse reflection.
*/
dmnsn_finish *dmnsn_new_diffuse_finish(double diffuse);
/**
* A phong specular highlight.
* @param[in] specular The specular reflection coefficient.
* @param[in] exp The exponent (roughly the highlight size).
* @return A finish with phong specular highlight.
*/
dmnsn_finish *dmnsn_new_phong_finish(double specular, double exp);
/**
* Specular (mirror) reflection.
* @param[in] min Reflection at paralell angles.
* @param[in] max Reflection at perpendicular angles (often == \p min).
* @param[in] falloff Degree of exponential falloff (usually 1).
* @return A finish with specular reflection.
*/
dmnsn_finish *dmnsn_new_reflective_finish(dmnsn_color min, dmnsn_color max,
double falloff);
#endif /* DIMENSION_FINISHES_H */
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