include/SDL_blendmode.h
author Philipp Wiesemann <philipp.wiesemann@arcor.de>
Sat, 06 Dec 2014 00:17:52 +0100
changeset 9267 6fe4583d7e1f
parent 9239 4a4293b8a37f
child 9619 b94b6d0bff0f
permissions -rw-r--r--
Fixed warnings about possible loss of data in conversion.
slouken@4929
     1
/*
slouken@5535
     2
  Simple DirectMedia Layer
slouken@8149
     3
  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
slouken@4929
     4
slouken@5535
     5
  This software is provided 'as-is', without any express or implied
slouken@5535
     6
  warranty.  In no event will the authors be held liable for any damages
slouken@5535
     7
  arising from the use of this software.
slouken@4929
     8
slouken@5535
     9
  Permission is granted to anyone to use this software for any purpose,
slouken@5535
    10
  including commercial applications, and to alter it and redistribute it
slouken@5535
    11
  freely, subject to the following restrictions:
slouken@4929
    12
slouken@5535
    13
  1. The origin of this software must not be misrepresented; you must not
slouken@5535
    14
     claim that you wrote the original software. If you use this software
slouken@5535
    15
     in a product, an acknowledgment in the product documentation would be
slouken@5535
    16
     appreciated but is not required.
slouken@5535
    17
  2. Altered source versions must be plainly marked as such, and must not be
slouken@5535
    18
     misrepresented as being the original software.
slouken@5535
    19
  3. This notice may not be removed or altered from any source distribution.
slouken@4929
    20
*/
slouken@4929
    21
slouken@4929
    22
/**
slouken@4929
    23
 *  \file SDL_blendmode.h
slouken@7191
    24
 *
slouken@4929
    25
 *  Header file declaring the SDL_BlendMode enumeration
slouken@4929
    26
 */
slouken@4929
    27
slouken@4929
    28
#ifndef _SDL_blendmode_h
slouken@4929
    29
#define _SDL_blendmode_h
slouken@4929
    30
slouken@4929
    31
#include "begin_code.h"
slouken@4929
    32
/* Set up for C function definitions, even when using C++ */
slouken@4929
    33
#ifdef __cplusplus
slouken@4929
    34
extern "C" {
slouken@4929
    35
#endif
slouken@4929
    36
slouken@4929
    37
/**
slouken@4929
    38
 *  \brief The blend mode used in SDL_RenderCopy() and drawing operations.
slouken@4929
    39
 */
slouken@4929
    40
typedef enum
slouken@4929
    41
{
slouken@7502
    42
    SDL_BLENDMODE_NONE = 0x00000000,     /**< no blending
slouken@7502
    43
                                              dstRGBA = srcRGBA */
slouken@7502
    44
    SDL_BLENDMODE_BLEND = 0x00000001,    /**< alpha blending
slouken@7502
    45
                                              dstRGB = (srcRGB * srcA) + (dstRGB * (1-srcA))
slouken@7502
    46
                                              dstA = srcA + (dstA * (1-srcA)) */
slouken@7502
    47
    SDL_BLENDMODE_ADD = 0x00000002,      /**< additive blending
slouken@7502
    48
                                              dstRGB = (srcRGB * srcA) + dstRGB
slouken@7502
    49
                                              dstA = dstA */
slouken@7502
    50
    SDL_BLENDMODE_MOD = 0x00000004       /**< color modulate
slouken@7502
    51
                                              dstRGB = srcRGB * dstRGB
slouken@7502
    52
                                              dstA = dstA */
slouken@4929
    53
} SDL_BlendMode;
slouken@4929
    54
slouken@4929
    55
/* Ends C function definitions when using C++ */
slouken@4929
    56
#ifdef __cplusplus
slouken@4929
    57
}
slouken@4929
    58
#endif
slouken@4929
    59
#include "close_code.h"
slouken@4929
    60
philipp@9239
    61
#endif /* _SDL_blendmode_h */
slouken@4929
    62
slouken@4929
    63
/* vi: set ts=4 sw=4 expandtab: */