Mercurial > sdl-ios-xcode
diff docs/html/sdlwasinit.html @ 0:74212992fb08
Initial revision
author | Sam Lantinga <slouken@lokigames.com> |
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date | Thu, 26 Apr 2001 16:45:43 +0000 |
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children | 55f1f1b3e27d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/docs/html/sdlwasinit.html Thu Apr 26 16:45:43 2001 +0000 @@ -0,0 +1,276 @@ +<HTML +><HEAD +><TITLE +>SDL_WasInit</TITLE +><META +NAME="GENERATOR" +CONTENT="Modular DocBook HTML Stylesheet Version 1.61 +"><LINK +REL="HOME" +TITLE="SDL Library Documentation" +HREF="index.html"><LINK +REL="UP" +TITLE="General" +HREF="general.html"><LINK +REL="PREVIOUS" +TITLE="SDL_Quit" +HREF="sdlquit.html"><LINK +REL="NEXT" +TITLE="Video" +HREF="video.html"></HEAD +><BODY +CLASS="REFENTRY" +BGCOLOR="#FFF8DC" +TEXT="#000000" +LINK="#0000ee" +VLINK="#551a8b" +ALINK="#ff0000" +><DIV +CLASS="NAVHEADER" +><TABLE +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TH +COLSPAN="3" +ALIGN="center" +>SDL Library Documentation</TH +></TR +><TR +><TD +WIDTH="10%" +ALIGN="left" +VALIGN="bottom" +><A +HREF="sdlquit.html" +>Prev</A +></TD +><TD +WIDTH="80%" +ALIGN="center" +VALIGN="bottom" +></TD +><TD +WIDTH="10%" +ALIGN="right" +VALIGN="bottom" +><A +HREF="video.html" +>Next</A +></TD +></TR +></TABLE +><HR +ALIGN="LEFT" +WIDTH="100%"></DIV +><H1 +><A +NAME="SDLWASINIT" +>SDL_WasInit</A +></H1 +><DIV +CLASS="REFNAMEDIV" +><A +NAME="AEN578" +></A +><H2 +>Name</H2 +>SDL_WasInit -- Check which subsystems are initialized</DIV +><DIV +CLASS="REFSYNOPSISDIV" +><A +NAME="AEN581" +></A +><H2 +>Synopsis</H2 +><DIV +CLASS="FUNCSYNOPSIS" +><A +NAME="AEN582" +></A +><P +></P +><PRE +CLASS="FUNCSYNOPSISINFO" +>#include "SDL.h"</PRE +><P +><CODE +><CODE +CLASS="FUNCDEF" +>Uint32 <B +CLASS="FSFUNC" +>SDL_WasInit</B +></CODE +>(Uint32 flags);</CODE +></P +><P +></P +></DIV +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN588" +></A +><H2 +>Description</H2 +><P +><TT +CLASS="FUNCTION" +>SDL_WasInit</TT +> allows you to see which SDL subsytems have been <A +HREF="sdlinit.html" +>initialized</A +>. <TT +CLASS="PARAMETER" +><I +>flags</I +></TT +> is a bitwise OR'd combination of the subsystems you wish to check (see <A +HREF="sdlinit.html" +><TT +CLASS="FUNCTION" +>SDL_Init</TT +></A +> for a list of subsystem flags).</P +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN596" +></A +><H2 +>Return Value</H2 +><P +><TT +CLASS="FUNCTION" +>SDL_WasInit</TT +> returns a bitwised OR'd combination of the initialized subsystems.</P +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN600" +></A +><H2 +>Examples</H2 +><PRE +CLASS="PROGRAMLISTING" +> /* Here are several ways you can use SDL_WasInit() */ + +/* Get init data on all the subsystems */ +Uint32 subsystem_init; + +subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING); + +if(subsystem_init&SDL_INIT_VIDEO) + printf("Video is initialized.\n"); +else + printf("Video is not initialized.\n"); + + + +/* Just check for one specfic subsystem */ + +if(SDL_WasInit(SDL_INIT_VIDEO)!=0) + printf("Video is initialized.\n"); +else + printf("Video is not initialized.\n"); + + + + +/* Check for two subsystems */ + +Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO; + +if(SDL_WasInit(subsystem_mask)==subsystem_mask) + printf("Video and Audio initialized.\n"); +else + printf("Video and Audio not initialized.\n"); </PRE +></DIV +><DIV +CLASS="REFSECT1" +><A +NAME="AEN603" +></A +><H2 +>See Also</H2 +><P +><A +HREF="sdlinit.html" +><TT +CLASS="FUNCTION" +>SDL_Init</TT +></A +>, +<A +HREF="sdlinitsubsystem.html" +><TT +CLASS="FUNCTION" +>SDL_Subsystem</TT +></A +></P +></DIV +><DIV +CLASS="NAVFOOTER" +><HR +ALIGN="LEFT" +WIDTH="100%"><TABLE +WIDTH="100%" +BORDER="0" +CELLPADDING="0" +CELLSPACING="0" +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +><A +HREF="sdlquit.html" +>Prev</A +></TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="index.html" +>Home</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +><A +HREF="video.html" +>Next</A +></TD +></TR +><TR +><TD +WIDTH="33%" +ALIGN="left" +VALIGN="top" +>SDL_Quit</TD +><TD +WIDTH="34%" +ALIGN="center" +VALIGN="top" +><A +HREF="general.html" +>Up</A +></TD +><TD +WIDTH="33%" +ALIGN="right" +VALIGN="top" +>Video</TD +></TR +></TABLE +></DIV +></BODY +></HTML +> \ No newline at end of file