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annotate include/SDL_blendmode.h @ 5157:fb424691cfc7

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Moved the rendering code out to a separate directory in the hope that it can someday be completely decoupled from the rest of the library and be expanded to an awesome 2D on 3D library.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Feb 2011 14:34:54 -0800
parents e743b9c3f6d6
children d976b67150c5
rev   line source
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aa8888658021 Use the enumerated type for blend and scale mode instead of int
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2010 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Lesser General Public License for more details.
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14
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15 You should have received a copy of the GNU Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 /**
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24 * \file SDL_blendmode.h
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25 *
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26 * Header file declaring the SDL_BlendMode enumeration
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27 */
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28
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29 #ifndef _SDL_blendmode_h
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30 #define _SDL_blendmode_h
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31
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32 #include "begin_code.h"
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33 /* Set up for C function definitions, even when using C++ */
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34 #ifdef __cplusplus
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35 /* *INDENT-OFF* */
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36 extern "C" {
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37 /* *INDENT-ON* */
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38 #endif
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39
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40 /**
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41 * \brief The blend mode used in SDL_RenderCopy() and drawing operations.
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42 */
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43 typedef enum
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44 {
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45 SDL_BLENDMODE_NONE = 0x00000000, /**< No blending */
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e743b9c3f6d6 Making the API simpler, the blend modes are "none, blend, add" and are supported by all renderers.
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46 SDL_BLENDMODE_BLEND = 0x00000001, /**< dst = (src * A) + (dst * (1-A)) */
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47 SDL_BLENDMODE_ADD = 0x00000002, /**< dst = (src * A) + dst */
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48 } SDL_BlendMode;
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49
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50 /* Ends C function definitions when using C++ */
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51 #ifdef __cplusplus
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52 /* *INDENT-OFF* */
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53 }
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54 /* *INDENT-ON* */
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55 #endif
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56 #include "close_code.h"
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57
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58 #endif /* _SDL_video_h */
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59
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60 /* vi: set ts=4 sw=4 expandtab: */