Miguel Ruiz / SDL_lib2

SDL Library

Dependents:   H261_decoder

SDL_blendmode.h@0:7fb6877b5d7c, 2016-09-22 (annotated)

Committer:
miruga27
Date:
Thu Sep 22 00:03:09 2016 +0000
Revision:
0:7fb6877b5d7c
SDL

Who changed what in which revision?

UserRevisionLine numberNew contents of line
miruga27 0:7fb6877b5d7c 1 /*
miruga27 0:7fb6877b5d7c 2 Simple DirectMedia Layer
miruga27 0:7fb6877b5d7c 3 Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
miruga27 0:7fb6877b5d7c 4
miruga27 0:7fb6877b5d7c 5 This software is provided 'as-is', without any express or implied
miruga27 0:7fb6877b5d7c 6 warranty. In no event will the authors be held liable for any damages
miruga27 0:7fb6877b5d7c 7 arising from the use of this software.
miruga27 0:7fb6877b5d7c 8
miruga27 0:7fb6877b5d7c 9 Permission is granted to anyone to use this software for any purpose,
miruga27 0:7fb6877b5d7c 10 including commercial applications, and to alter it and redistribute it
miruga27 0:7fb6877b5d7c 11 freely, subject to the following restrictions:
miruga27 0:7fb6877b5d7c 12
miruga27 0:7fb6877b5d7c 13 1. The origin of this software must not be misrepresented; you must not
miruga27 0:7fb6877b5d7c 14 claim that you wrote the original software. If you use this software
miruga27 0:7fb6877b5d7c 15 in a product, an acknowledgment in the product documentation would be
miruga27 0:7fb6877b5d7c 16 appreciated but is not required.
miruga27 0:7fb6877b5d7c 17 2. Altered source versions must be plainly marked as such, and must not be
miruga27 0:7fb6877b5d7c 18 misrepresented as being the original software.
miruga27 0:7fb6877b5d7c 19 3. This notice may not be removed or altered from any source distribution.
miruga27 0:7fb6877b5d7c 20 */
miruga27 0:7fb6877b5d7c 21
miruga27 0:7fb6877b5d7c 22 /**
miruga27 0:7fb6877b5d7c 23 * \file SDL_blendmode.h
miruga27 0:7fb6877b5d7c 24 *
miruga27 0:7fb6877b5d7c 25 * Header file declaring the SDL_BlendMode enumeration
miruga27 0:7fb6877b5d7c 26 */
miruga27 0:7fb6877b5d7c 27
miruga27 0:7fb6877b5d7c 28 #ifndef _SDL_blendmode_h
miruga27 0:7fb6877b5d7c 29 #define _SDL_blendmode_h
miruga27 0:7fb6877b5d7c 30
miruga27 0:7fb6877b5d7c 31 #include "begin_code.h"
miruga27 0:7fb6877b5d7c 32 /* Set up for C function definitions, even when using C++ */
miruga27 0:7fb6877b5d7c 33 #ifdef __cplusplus
miruga27 0:7fb6877b5d7c 34 extern "C" {
miruga27 0:7fb6877b5d7c 35 #endif
miruga27 0:7fb6877b5d7c 36
miruga27 0:7fb6877b5d7c 37 /**
miruga27 0:7fb6877b5d7c 38 * \brief The blend mode used in SDL_RenderCopy() and drawing operations.
miruga27 0:7fb6877b5d7c 39 */
miruga27 0:7fb6877b5d7c 40 typedef enum
miruga27 0:7fb6877b5d7c 41 {
miruga27 0:7fb6877b5d7c 42 SDL_BLENDMODE_NONE = 0x00000000, /**< no blending
miruga27 0:7fb6877b5d7c 43 dstRGBA = srcRGBA */
miruga27 0:7fb6877b5d7c 44 SDL_BLENDMODE_BLEND = 0x00000001, /**< alpha blending
miruga27 0:7fb6877b5d7c 45 dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA))
miruga27 0:7fb6877b5d7c 46 dstA = srcA + (dstA * (1-srcA)) */
miruga27 0:7fb6877b5d7c 47 SDL_BLENDMODE_ADD = 0x00000002, /**< additive blending
miruga27 0:7fb6877b5d7c 48 dstRGB = (srcRGB * srcA) + dstRGB
miruga27 0:7fb6877b5d7c 49 dstA = dstA */
miruga27 0:7fb6877b5d7c 50 SDL_BLENDMODE_MOD = 0x00000004 /**< color modulate
miruga27 0:7fb6877b5d7c 51 dstRGB = srcRGB * dstRGB
miruga27 0:7fb6877b5d7c 52 dstA = dstA */
miruga27 0:7fb6877b5d7c 53 } SDL_BlendMode;
miruga27 0:7fb6877b5d7c 54
miruga27 0:7fb6877b5d7c 55 /* Ends C function definitions when using C++ */
miruga27 0:7fb6877b5d7c 56 #ifdef __cplusplus
miruga27 0:7fb6877b5d7c 57 }
miruga27 0:7fb6877b5d7c 58 #endif
miruga27 0:7fb6877b5d7c 59 #include "close_code.h"
miruga27 0:7fb6877b5d7c 60
miruga27 0:7fb6877b5d7c 61 #endif /* _SDL_video_h */
miruga27 0:7fb6877b5d7c 62
miruga27 0:7fb6877b5d7c 63 /* vi: set ts=4 sw=4 expandtab: */