Mercurial > sdl-ios-xcode
annotate docs/html/sdlwasinit.html @ 582:16cc97387d52
Worked around objective C brokenness in Cygwin's automake
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 01 Feb 2003 18:58:42 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| 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 1.64 |
| 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 | |
| 31 WIDTH="100%" | |
| 32 BORDER="0" | |
| 33 CELLPADDING="0" | |
| 34 CELLSPACING="0" | |
| 35 ><TR | |
| 36 ><TH | |
| 37 COLSPAN="3" | |
| 38 ALIGN="center" | |
| 39 >SDL Library Documentation</TH | |
| 40 ></TR | |
| 41 ><TR | |
| 42 ><TD | |
| 43 WIDTH="10%" | |
| 44 ALIGN="left" | |
| 45 VALIGN="bottom" | |
| 46 ><A | |
| 47 HREF="sdlquit.html" | |
| 48 >Prev</A | |
| 49 ></TD | |
| 50 ><TD | |
| 51 WIDTH="80%" | |
| 52 ALIGN="center" | |
| 53 VALIGN="bottom" | |
| 54 ></TD | |
| 55 ><TD | |
| 56 WIDTH="10%" | |
| 57 ALIGN="right" | |
| 58 VALIGN="bottom" | |
| 59 ><A | |
|
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60 HREF="sdlgeterror.html" |
| 0 | 61 >Next</A |
| 62 ></TD | |
| 63 ></TR | |
| 64 ></TABLE | |
| 65 ><HR | |
| 66 ALIGN="LEFT" | |
| 67 WIDTH="100%"></DIV | |
| 68 ><H1 | |
| 69 ><A | |
| 70 NAME="SDLWASINIT" | |
| 71 >SDL_WasInit</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN617" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_WasInit -- Check which subsystems are initialized</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN620" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
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91 NAME="AEN621" |
| 0 | 92 ></A |
| 93 ><P | |
| 94 ></P | |
| 95 ><PRE | |
| 96 CLASS="FUNCSYNOPSISINFO" | |
| 97 >#include "SDL.h"</PRE | |
| 98 ><P | |
| 99 ><CODE | |
| 100 ><CODE | |
| 101 CLASS="FUNCDEF" | |
| 102 >Uint32 <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_WasInit</B | |
| 105 ></CODE | |
| 106 >(Uint32 flags);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN627" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 ><TT | |
| 121 CLASS="FUNCTION" | |
| 122 >SDL_WasInit</TT | |
| 123 > allows you to see which SDL subsytems have been <A | |
| 124 HREF="sdlinit.html" | |
| 125 >initialized</A | |
| 126 >. <TT | |
| 127 CLASS="PARAMETER" | |
| 128 ><I | |
| 129 >flags</I | |
| 130 ></TT | |
| 131 > is a bitwise OR'd combination of the subsystems you wish to check (see <A | |
| 132 HREF="sdlinit.html" | |
| 133 ><TT | |
| 134 CLASS="FUNCTION" | |
| 135 >SDL_Init</TT | |
| 136 ></A | |
| 137 > for a list of subsystem flags).</P | |
| 138 ></DIV | |
| 139 ><DIV | |
| 140 CLASS="REFSECT1" | |
| 141 ><A | |
|
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142 NAME="AEN635" |
| 0 | 143 ></A |
| 144 ><H2 | |
| 145 >Return Value</H2 | |
| 146 ><P | |
| 147 ><TT | |
| 148 CLASS="FUNCTION" | |
| 149 >SDL_WasInit</TT | |
| 150 > returns a bitwised OR'd combination of the initialized subsystems.</P | |
| 151 ></DIV | |
| 152 ><DIV | |
| 153 CLASS="REFSECT1" | |
| 154 ><A | |
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155 NAME="AEN639" |
| 0 | 156 ></A |
| 157 ><H2 | |
| 158 >Examples</H2 | |
| 159 ><PRE | |
| 160 CLASS="PROGRAMLISTING" | |
| 161 > /* Here are several ways you can use SDL_WasInit() */ | |
| 162 | |
| 163 /* Get init data on all the subsystems */ | |
| 164 Uint32 subsystem_init; | |
| 165 | |
| 166 subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING); | |
| 167 | |
| 168 if(subsystem_init&SDL_INIT_VIDEO) | |
| 169 printf("Video is initialized.\n"); | |
| 170 else | |
| 171 printf("Video is not initialized.\n"); | |
| 172 | |
| 173 | |
| 174 | |
| 175 /* Just check for one specfic subsystem */ | |
| 176 | |
| 177 if(SDL_WasInit(SDL_INIT_VIDEO)!=0) | |
| 178 printf("Video is initialized.\n"); | |
| 179 else | |
| 180 printf("Video is not initialized.\n"); | |
| 181 | |
| 182 | |
| 183 | |
| 184 | |
| 185 /* Check for two subsystems */ | |
| 186 | |
| 187 Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO; | |
| 188 | |
| 189 if(SDL_WasInit(subsystem_mask)==subsystem_mask) | |
| 190 printf("Video and Audio initialized.\n"); | |
| 191 else | |
| 192 printf("Video and Audio not initialized.\n"); </PRE | |
| 193 ></DIV | |
| 194 ><DIV | |
| 195 CLASS="REFSECT1" | |
| 196 ><A | |
|
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197 NAME="AEN642" |
| 0 | 198 ></A |
| 199 ><H2 | |
| 200 >See Also</H2 | |
| 201 ><P | |
| 202 ><A | |
| 203 HREF="sdlinit.html" | |
| 204 ><TT | |
| 205 CLASS="FUNCTION" | |
| 206 >SDL_Init</TT | |
| 207 ></A | |
| 208 >, | |
| 209 <A | |
| 210 HREF="sdlinitsubsystem.html" | |
| 211 ><TT | |
| 212 CLASS="FUNCTION" | |
| 213 >SDL_Subsystem</TT | |
| 214 ></A | |
| 215 ></P | |
| 216 ></DIV | |
| 217 ><DIV | |
| 218 CLASS="NAVFOOTER" | |
| 219 ><HR | |
| 220 ALIGN="LEFT" | |
| 221 WIDTH="100%"><TABLE | |
| 222 WIDTH="100%" | |
| 223 BORDER="0" | |
| 224 CELLPADDING="0" | |
| 225 CELLSPACING="0" | |
| 226 ><TR | |
| 227 ><TD | |
| 228 WIDTH="33%" | |
| 229 ALIGN="left" | |
| 230 VALIGN="top" | |
| 231 ><A | |
| 232 HREF="sdlquit.html" | |
| 233 >Prev</A | |
| 234 ></TD | |
| 235 ><TD | |
| 236 WIDTH="34%" | |
| 237 ALIGN="center" | |
| 238 VALIGN="top" | |
| 239 ><A | |
| 240 HREF="index.html" | |
| 241 >Home</A | |
| 242 ></TD | |
| 243 ><TD | |
| 244 WIDTH="33%" | |
| 245 ALIGN="right" | |
| 246 VALIGN="top" | |
| 247 ><A | |
|
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248 HREF="sdlgeterror.html" |
| 0 | 249 >Next</A |
| 250 ></TD | |
| 251 ></TR | |
| 252 ><TR | |
| 253 ><TD | |
| 254 WIDTH="33%" | |
| 255 ALIGN="left" | |
| 256 VALIGN="top" | |
| 257 >SDL_Quit</TD | |
| 258 ><TD | |
| 259 WIDTH="34%" | |
| 260 ALIGN="center" | |
| 261 VALIGN="top" | |
| 262 ><A | |
| 263 HREF="general.html" | |
| 264 >Up</A | |
| 265 ></TD | |
| 266 ><TD | |
| 267 WIDTH="33%" | |
| 268 ALIGN="right" | |
| 269 VALIGN="top" | |
|
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270 >SDL_GetError</TD |
| 0 | 271 ></TR |
| 272 ></TABLE | |
| 273 ></DIV | |
| 274 ></BODY | |
| 275 ></HTML | |
| 276 > |