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annotate include/SDL_blendmode.h @ 5187:d976b67150c5

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Restored SDL_BLENDMODE_MOD for MAME
author Sam Lantinga <slouken@libsdl.org>
date Fri, 04 Feb 2011 19:50:56 -0800
parents e743b9c3f6d6
children b530ef003506
rev   line source
4929
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
aa8888658021 Use the enumerated type for blend and scale mode instead of int
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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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d976b67150c5 Restored SDL_BLENDMODE_MOD for MAME
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48 SDL_BLENDMODE_MOD = 0x00000004 /**< dst = src * dst */
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49 } SDL_BlendMode;
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50
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51 /* Ends C function definitions when using C++ */
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52 #ifdef __cplusplus
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53 /* *INDENT-OFF* */
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54 }
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55 /* *INDENT-ON* */
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56 #endif
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57 #include "close_code.h"
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58
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59 #endif /* _SDL_video_h */
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60
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61 /* vi: set ts=4 sw=4 expandtab: */