276 lines
3.6 KiB
HTML
276 lines
3.6 KiB
HTML
<HTML
|
|
><HEAD
|
|
><TITLE
|
|
>SDL_WasInit</TITLE
|
|
><META
|
|
NAME="GENERATOR"
|
|
CONTENT="Modular DocBook HTML Stylesheet Version 1.64
|
|
"><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="AEN617"
|
|
></A
|
|
><H2
|
|
>Name</H2
|
|
>SDL_WasInit -- Check which subsystems are initialized</DIV
|
|
><DIV
|
|
CLASS="REFSYNOPSISDIV"
|
|
><A
|
|
NAME="AEN620"
|
|
></A
|
|
><H2
|
|
>Synopsis</H2
|
|
><DIV
|
|
CLASS="FUNCSYNOPSIS"
|
|
><A
|
|
NAME="AEN621"
|
|
></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="AEN627"
|
|
></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="AEN635"
|
|
></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="AEN639"
|
|
></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="AEN642"
|
|
></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
|
|
> |