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/*
** ClanLib SDK
** Copyright (c) 1997-2005 The ClanLib Team
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
** Note: Some of the libraries ClanLib may link to may have additional
** requirements or restrictions.
**
** File Author(s):
**
** Magnus Norddahl
** (if your name is missing here, please add it)
*/
//! clanDisplay="Display 2D"
//! header=display.h
#ifndef header_blend_func
#define header_blend_func
#if _MSC_VER > 1000
#pragma once
#endif
//: Blending functions.
//- !group=Display/Display 2D!
//- !header=display.h!
enum CL_BlendFunc
{
blend_zero, // source or destination (0, 0, 0, 0)
blend_one, // source or destination (1, 1, 1, 1)
blend_dest_color, // source (Rd, Gd, Bd, Ad)
blend_src_color, // destination (Rs, Gs, Bs, As)
blend_one_minus_dest_color, // source (1, 1, 1, 1) - (Rd, Gd, Bd, Ad)
blend_one_minus_src_color, // destination (1, 1, 1, 1) - (Rs, Gs, Bs, As)
blend_src_alpha, // source or destination (As, As, As, As)
blend_one_minus_src_alpha, // source or destination (1, 1, 1, 1) - (As, As, As, As)
blend_dst_alpha, // source or destination (Ad, Ad, Ad, Ad)
blend_one_minus_dest_alpha, // source or destination (1, 1, 1, 1) - (Ad, Ad, Ad, Ad)
blend_src_alpha_saturate, // source (f, f, f, 1) - f = min(As, 1 - Ad)
blend_constant_color, // source or destination (Rc, Gc, Bc, Ac)
blend_one_minus_constant_color, // source or destination (1, 1, 1, 1) - (Rc, Gc, Bc, Ac)
blend_constant_alpha, // source or destination (Ac, Ac, Ac, Ac)
blend_one_minus_constant_alpha // source or destination (1, 1, 1, 1) - (Ac, Ac, Ac, Ac)
};
#endif
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