Mercurial > sdl-ios-xcode
annotate docs/html/sdlwasinit.html @ 1442:e3242177fe4a
Updated OS/2 build, yay!
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 26 Feb 2006 19:30:21 +0000 |
| parents | 355632dca928 |
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| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_WasInit</TITLE | |
| 5 ><META | |
| 6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
| 0 | 8 "><LINK |
| 9 REL="HOME" | |
| 10 TITLE="SDL Library Documentation" | |
| 11 HREF="index.html"><LINK | |
| 12 REL="UP" | |
| 13 TITLE="General" | |
| 14 HREF="general.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="SDL_Quit" | |
| 17 HREF="sdlquit.html"><LINK | |
| 18 REL="NEXT" | |
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19 TITLE="SDL_GetError" |
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20 HREF="sdlgeterror.html"></HEAD |
| 0 | 21 ><BODY |
| 22 CLASS="REFENTRY" | |
| 23 BGCOLOR="#FFF8DC" | |
| 24 TEXT="#000000" | |
| 25 LINK="#0000ee" | |
| 26 VLINK="#551a8b" | |
| 27 ALINK="#ff0000" | |
| 28 ><DIV | |
| 29 CLASS="NAVHEADER" | |
| 30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
| 0 | 32 WIDTH="100%" |
| 33 BORDER="0" | |
| 34 CELLPADDING="0" | |
| 35 CELLSPACING="0" | |
| 36 ><TR | |
| 37 ><TH | |
| 38 COLSPAN="3" | |
| 39 ALIGN="center" | |
| 40 >SDL Library Documentation</TH | |
| 41 ></TR | |
| 42 ><TR | |
| 43 ><TD | |
| 44 WIDTH="10%" | |
| 45 ALIGN="left" | |
| 46 VALIGN="bottom" | |
| 47 ><A | |
| 48 HREF="sdlquit.html" | |
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49 ACCESSKEY="P" |
| 0 | 50 >Prev</A |
| 51 ></TD | |
| 52 ><TD | |
| 53 WIDTH="80%" | |
| 54 ALIGN="center" | |
| 55 VALIGN="bottom" | |
| 56 ></TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
|
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62 HREF="sdlgeterror.html" |
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63 ACCESSKEY="N" |
| 0 | 64 >Next</A |
| 65 ></TD | |
| 66 ></TR | |
| 67 ></TABLE | |
| 68 ><HR | |
| 69 ALIGN="LEFT" | |
| 70 WIDTH="100%"></DIV | |
| 71 ><H1 | |
| 72 ><A | |
| 73 NAME="SDLWASINIT" | |
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74 ></A |
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75 >SDL_WasInit</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN617" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_WasInit -- Check which subsystems are initialized</DIV | |
| 84 ><DIV | |
| 85 CLASS="REFSYNOPSISDIV" | |
| 86 ><A | |
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87 NAME="AEN620" |
| 0 | 88 ></A |
| 89 ><H2 | |
| 90 >Synopsis</H2 | |
| 91 ><DIV | |
| 92 CLASS="FUNCSYNOPSIS" | |
| 93 ><A | |
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94 NAME="AEN621" |
| 0 | 95 ></A |
| 96 ><P | |
| 97 ></P | |
| 98 ><PRE | |
| 99 CLASS="FUNCSYNOPSISINFO" | |
| 100 >#include "SDL.h"</PRE | |
| 101 ><P | |
| 102 ><CODE | |
| 103 ><CODE | |
| 104 CLASS="FUNCDEF" | |
| 105 >Uint32 <B | |
| 106 CLASS="FSFUNC" | |
| 107 >SDL_WasInit</B | |
| 108 ></CODE | |
| 109 >(Uint32 flags);</CODE | |
| 110 ></P | |
| 111 ><P | |
| 112 ></P | |
| 113 ></DIV | |
| 114 ></DIV | |
| 115 ><DIV | |
| 116 CLASS="REFSECT1" | |
| 117 ><A | |
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118 NAME="AEN627" |
| 0 | 119 ></A |
| 120 ><H2 | |
| 121 >Description</H2 | |
| 122 ><P | |
| 123 ><TT | |
| 124 CLASS="FUNCTION" | |
| 125 >SDL_WasInit</TT | |
| 126 > allows you to see which SDL subsytems have been <A | |
| 127 HREF="sdlinit.html" | |
| 128 >initialized</A | |
| 129 >. <TT | |
| 130 CLASS="PARAMETER" | |
| 131 ><I | |
| 132 >flags</I | |
| 133 ></TT | |
| 134 > is a bitwise OR'd combination of the subsystems you wish to check (see <A | |
| 135 HREF="sdlinit.html" | |
| 136 ><TT | |
| 137 CLASS="FUNCTION" | |
| 138 >SDL_Init</TT | |
| 139 ></A | |
| 140 > for a list of subsystem flags).</P | |
| 141 ></DIV | |
| 142 ><DIV | |
| 143 CLASS="REFSECT1" | |
| 144 ><A | |
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145 NAME="AEN635" |
| 0 | 146 ></A |
| 147 ><H2 | |
| 148 >Return Value</H2 | |
| 149 ><P | |
| 150 ><TT | |
| 151 CLASS="FUNCTION" | |
| 152 >SDL_WasInit</TT | |
| 153 > returns a bitwised OR'd combination of the initialized subsystems.</P | |
| 154 ></DIV | |
| 155 ><DIV | |
| 156 CLASS="REFSECT1" | |
| 157 ><A | |
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158 NAME="AEN639" |
| 0 | 159 ></A |
| 160 ><H2 | |
| 161 >Examples</H2 | |
| 162 ><PRE | |
| 163 CLASS="PROGRAMLISTING" | |
| 164 > /* Here are several ways you can use SDL_WasInit() */ | |
| 165 | |
| 166 /* Get init data on all the subsystems */ | |
| 167 Uint32 subsystem_init; | |
| 168 | |
| 169 subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING); | |
| 170 | |
| 171 if(subsystem_init&SDL_INIT_VIDEO) | |
| 172 printf("Video is initialized.\n"); | |
| 173 else | |
| 174 printf("Video is not initialized.\n"); | |
| 175 | |
| 176 | |
| 177 | |
| 178 /* Just check for one specfic subsystem */ | |
| 179 | |
| 180 if(SDL_WasInit(SDL_INIT_VIDEO)!=0) | |
| 181 printf("Video is initialized.\n"); | |
| 182 else | |
| 183 printf("Video is not initialized.\n"); | |
| 184 | |
| 185 | |
| 186 | |
| 187 | |
| 188 /* Check for two subsystems */ | |
| 189 | |
| 190 Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO; | |
| 191 | |
| 192 if(SDL_WasInit(subsystem_mask)==subsystem_mask) | |
| 193 printf("Video and Audio initialized.\n"); | |
| 194 else | |
| 195 printf("Video and Audio not initialized.\n"); </PRE | |
| 196 ></DIV | |
| 197 ><DIV | |
| 198 CLASS="REFSECT1" | |
| 199 ><A | |
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200 NAME="AEN642" |
| 0 | 201 ></A |
| 202 ><H2 | |
| 203 >See Also</H2 | |
| 204 ><P | |
| 205 ><A | |
| 206 HREF="sdlinit.html" | |
| 207 ><TT | |
| 208 CLASS="FUNCTION" | |
| 209 >SDL_Init</TT | |
| 210 ></A | |
| 211 >, | |
| 212 <A | |
| 213 HREF="sdlinitsubsystem.html" | |
| 214 ><TT | |
| 215 CLASS="FUNCTION" | |
| 216 >SDL_Subsystem</TT | |
| 217 ></A | |
| 218 ></P | |
| 219 ></DIV | |
| 220 ><DIV | |
| 221 CLASS="NAVFOOTER" | |
| 222 ><HR | |
| 223 ALIGN="LEFT" | |
| 224 WIDTH="100%"><TABLE | |
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225 SUMMARY="Footer navigation table" |
| 0 | 226 WIDTH="100%" |
| 227 BORDER="0" | |
| 228 CELLPADDING="0" | |
| 229 CELLSPACING="0" | |
| 230 ><TR | |
| 231 ><TD | |
| 232 WIDTH="33%" | |
| 233 ALIGN="left" | |
| 234 VALIGN="top" | |
| 235 ><A | |
| 236 HREF="sdlquit.html" | |
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237 ACCESSKEY="P" |
| 0 | 238 >Prev</A |
| 239 ></TD | |
| 240 ><TD | |
| 241 WIDTH="34%" | |
| 242 ALIGN="center" | |
| 243 VALIGN="top" | |
| 244 ><A | |
| 245 HREF="index.html" | |
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246 ACCESSKEY="H" |
| 0 | 247 >Home</A |
| 248 ></TD | |
| 249 ><TD | |
| 250 WIDTH="33%" | |
| 251 ALIGN="right" | |
| 252 VALIGN="top" | |
| 253 ><A | |
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254 HREF="sdlgeterror.html" |
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255 ACCESSKEY="N" |
| 0 | 256 >Next</A |
| 257 ></TD | |
| 258 ></TR | |
| 259 ><TR | |
| 260 ><TD | |
| 261 WIDTH="33%" | |
| 262 ALIGN="left" | |
| 263 VALIGN="top" | |
| 264 >SDL_Quit</TD | |
| 265 ><TD | |
| 266 WIDTH="34%" | |
| 267 ALIGN="center" | |
| 268 VALIGN="top" | |
| 269 ><A | |
| 270 HREF="general.html" | |
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271 ACCESSKEY="U" |
| 0 | 272 >Up</A |
| 273 ></TD | |
| 274 ><TD | |
| 275 WIDTH="33%" | |
| 276 ALIGN="right" | |
| 277 VALIGN="top" | |
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278 >SDL_GetError</TD |
| 0 | 279 ></TR |
| 280 ></TABLE | |
| 281 ></DIV | |
| 282 ></BODY | |
| 283 ></HTML | |
| 284 > |