| /* |
| Simple DirectMedia Layer |
| Copyright (C) 1997-2014 Sam Lantinga <[email protected]> |
| |
| 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. |
| */ |
| |
| /** |
| * \file SDL_blendmode.h |
| * |
| * Header file declaring the SDL_BlendMode enumeration |
| */ |
| |
| #ifndef _SDL_blendmode_h |
| #define _SDL_blendmode_h |
| |
| #include "begin_code.h" |
| /* Set up for C function definitions, even when using C++ */ |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** |
| * \brief The blend mode used in SDL_RenderCopy() and drawing operations. |
| */ |
| typedef enum |
| { |
| SDL_BLENDMODE_NONE = 0x00000000, /**< no blending |
| dstRGBA = srcRGBA */ |
| SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending |
| dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA)) |
| dstA = srcA + (dstA * (1-srcA)) */ |
| SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending |
| dstRGB = (srcRGB * srcA) + dstRGB |
| dstA = dstA */ |
| SDL_BLENDMODE_MOD = 0x00000004 /**< color modulate |
| dstRGB = srcRGB * dstRGB |
| dstA = dstA */ |
| } SDL_BlendMode; |
| |
| /* Ends C function definitions when using C++ */ |
| #ifdef __cplusplus |
| } |
| #endif |
| #include "close_code.h" |
| |
| #endif /* _SDL_video_h */ |
| |
| /* vi: set ts=4 sw=4 expandtab: */ |
