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5131 | clevermous | 1 | /* |
2 | SDL - Simple DirectMedia Layer |
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3 | Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga |
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4 | |||
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 Library General Public |
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7 | License as published by the Free Software Foundation; either |
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8 | version 2 of the License, or (at your option) any later version. |
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9 | |||
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 | Library General Public License for more details. |
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14 | |||
15 | You should have received a copy of the GNU Library General Public |
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16 | License along with this library; if not, write to the Free |
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17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 | |||
19 | Sam Lantinga |
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20 | slouken@devolution.com |
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21 | */ |
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22 | |||
23 | #ifdef SAVE_RCSID |
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24 | static char rcsid = |
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25 | "@(#) $Id: SDL_types.h,v 1.2 2001/04/26 16:50:17 hercules Exp $"; |
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26 | #endif |
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27 | |||
28 | /* General data types used by the SDL library */ |
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29 | |||
30 | #ifndef _SDL_types_h |
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31 | #define _SDL_types_h |
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32 | |||
33 | /* The number of elements in a table */ |
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34 | #define SDL_TABLESIZE(table) (sizeof(table)/sizeof(table[0])) |
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35 | |||
36 | /* Basic data types */ |
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37 | typedef enum { |
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38 | SDL_FALSE = 0, |
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39 | SDL_TRUE = 1 |
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40 | } SDL_bool; |
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41 | typedef unsigned char Uint8; |
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42 | typedef signed char Sint8; |
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43 | typedef unsigned short Uint16; |
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44 | typedef signed short Sint16; |
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45 | typedef unsigned int Uint32; |
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46 | typedef signed int Sint32; |
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47 | |||
48 | /* Figure out how to support 64-bit datatypes */ |
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49 | #if !defined(__STRICT_ANSI__) |
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50 | #if defined(__GNUC__) || defined(__MWERKS__) /* MJS */ |
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51 | #define SDL_HAS_64BIT_TYPE long long |
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52 | #elif defined(_MSC_VER) /* VC++ */ |
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53 | #define SDL_HAS_64BIT_TYPE __int64 |
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54 | #endif |
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55 | #endif /* !__STRICT_ANSI__ */ |
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56 | |||
57 | /* The 64-bit datatype isn't supported on all platforms */ |
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58 | #ifdef SDL_HAS_64BIT_TYPE |
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59 | typedef unsigned SDL_HAS_64BIT_TYPE Uint64; |
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60 | typedef SDL_HAS_64BIT_TYPE Sint64; |
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61 | #else |
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62 | /* This is really just a hack to prevent the compiler from complaining */ |
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63 | typedef struct { |
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64 | Uint32 hi; |
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65 | Uint32 lo; |
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66 | } Uint64, Sint64; |
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67 | #endif |
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68 | |||
69 | /* Make sure the types really have the right sizes */ |
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70 | #define SDL_COMPILE_TIME_ASSERT(name, x) \ |
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71 | typedef int SDL_dummy_ ## name[(x) * 2 - 1] |
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72 | |||
73 | SDL_COMPILE_TIME_ASSERT(uint8, sizeof(Uint8) == 1); |
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74 | SDL_COMPILE_TIME_ASSERT(sint8, sizeof(Sint8) == 1); |
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75 | SDL_COMPILE_TIME_ASSERT(uint16, sizeof(Uint16) == 2); |
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76 | SDL_COMPILE_TIME_ASSERT(sint16, sizeof(Sint16) == 2); |
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77 | SDL_COMPILE_TIME_ASSERT(uint32, sizeof(Uint32) == 4); |
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78 | SDL_COMPILE_TIME_ASSERT(sint32, sizeof(Sint32) == 4); |
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79 | SDL_COMPILE_TIME_ASSERT(uint64, sizeof(Uint64) == 8); |
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80 | SDL_COMPILE_TIME_ASSERT(sint64, sizeof(Sint64) == 8); |
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81 | |||
82 | #undef SDL_COMPILE_TIME_ASSERT |
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83 | |||
84 | /* General keyboard/mouse state definitions */ |
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85 | enum { SDL_PRESSED = 0x01, SDL_RELEASED = 0x00 }; |
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86 | |||
87 | #endif |