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annotate include/SDL_blendmode.h @ 5086:ac2c68eb1bb9

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Fixed bug #1080 Markus Rathgeb 2011-01-23 14:34:23 PST With kernel 2.6.31 the struct input_absinfo defined in linux/input.h changed. A field "__s32 resolution" was added at the end of the struct. Because the macro EVIOCGABS(abs) is using the struct input_absinfo, it would be better (IMHO) to change the declaration of variable values to "int values[sizeof(struct input_absinfo) / sizeof(int)];" or using "struct input_absinfo" directly.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 24 Jan 2011 14:36:12 -0800
parents aa8888658021
children e743b9c3f6d6
rev   line source
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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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46 SDL_BLENDMODE_MASK = 0x00000001, /**< dst = A ? src : dst
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47 (alpha is mask) */
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48
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49 SDL_BLENDMODE_BLEND = 0x00000002, /**< dst = (src * A) + (dst * (1-A)) */
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50 SDL_BLENDMODE_ADD = 0x00000004, /**< dst = (src * A) + dst */
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51 SDL_BLENDMODE_MOD = 0x00000008 /**< dst = src * dst */
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52 } SDL_BlendMode;
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53
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54 /* Ends C function definitions when using C++ */
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55 #ifdef __cplusplus
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56 /* *INDENT-OFF* */
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57 }
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58 /* *INDENT-ON* */
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59 #endif
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60 #include "close_code.h"
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61
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62 #endif /* _SDL_video_h */
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63
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64 /* vi: set ts=4 sw=4 expandtab: */