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63 lines
2.2 KiB
63 lines
2.2 KiB
/* |
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Simple DirectMedia Layer |
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Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> |
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This software is provided 'as-is', without any express or implied |
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warranty. In no event will the authors be held liable for any damages |
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arising from the use of this software. |
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Permission is granted to anyone to use this software for any purpose, |
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including commercial applications, and to alter it and redistribute it |
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freely, subject to the following restrictions: |
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1. The origin of this software must not be misrepresented; you must not |
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claim that you wrote the original software. If you use this software |
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in a product, an acknowledgment in the product documentation would be |
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appreciated but is not required. |
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2. Altered source versions must be plainly marked as such, and must not be |
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misrepresented as being the original software. |
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3. This notice may not be removed or altered from any source distribution. |
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*/ |
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/** |
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* \file SDL_blendmode.h |
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* |
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* Header file declaring the SDL_BlendMode enumeration |
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*/ |
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#ifndef _SDL_blendmode_h |
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#define _SDL_blendmode_h |
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#include "begin_code.h" |
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/* Set up for C function definitions, even when using C++ */ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/** |
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* \brief The blend mode used in SDL_RenderCopy() and drawing operations. |
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*/ |
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typedef enum |
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{ |
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SDL_BLENDMODE_NONE = 0x00000000, /**< no blending |
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dstRGBA = srcRGBA */ |
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SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending |
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dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA)) |
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dstA = srcA + (dstA * (1-srcA)) */ |
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SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending |
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dstRGB = (srcRGB * srcA) + dstRGB |
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dstA = dstA */ |
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SDL_BLENDMODE_MOD = 0x00000004 /**< color modulate |
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dstRGB = srcRGB * dstRGB |
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dstA = dstA */ |
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} SDL_BlendMode; |
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/* Ends C function definitions when using C++ */ |
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#ifdef __cplusplus |
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} |
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#endif |
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#include "close_code.h" |
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#endif /* _SDL_blendmode_h */ |
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/* vi: set ts=4 sw=4 expandtab: */
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