forked from KolibriOS/kolibrios
276 lines
3.6 KiB
HTML
276 lines
3.6 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_WasInit</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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><TR
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><TH
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COLSPAN="3"
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>SDL Library Documentation</TH
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><TR
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><TD
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WIDTH="10%"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLWASINIT"
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>SDL_WasInit</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN617"
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></A
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><H2
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>Name</H2
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>SDL_WasInit -- Check which subsystems are initialized</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN620"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN621"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>Uint32 <B
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CLASS="FSFUNC"
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>SDL_WasInit</B
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></CODE
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>(Uint32 flags);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN627"
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></A
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><H2
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>Description</H2
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><P
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><TT
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CLASS="FUNCTION"
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>SDL_WasInit</TT
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> allows you to see which SDL subsytems have been <A
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HREF="sdlinit.html"
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>initialized</A
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>. <TT
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CLASS="PARAMETER"
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><I
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>flags</I
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></TT
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> is a bitwise OR'd combination of the subsystems you wish to check (see <A
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HREF="sdlinit.html"
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><TT
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CLASS="FUNCTION"
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>SDL_Init</TT
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></A
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> for a list of subsystem flags).</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN635"
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></A
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><H2
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>Return Value</H2
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><P
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><TT
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CLASS="FUNCTION"
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>SDL_WasInit</TT
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> returns a bitwised OR'd combination of the initialized subsystems.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN639"
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></A
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><H2
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>Examples</H2
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><PRE
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CLASS="PROGRAMLISTING"
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> /* Here are several ways you can use SDL_WasInit() */
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/* Get init data on all the subsystems */
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Uint32 subsystem_init;
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subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
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if(subsystem_init&SDL_INIT_VIDEO)
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printf("Video is initialized.\n");
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else
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printf("Video is not initialized.\n");
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/* Just check for one specfic subsystem */
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if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
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printf("Video is initialized.\n");
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else
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printf("Video is not initialized.\n");
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/* Check for two subsystems */
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Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
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if(SDL_WasInit(subsystem_mask)==subsystem_mask)
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printf("Video and Audio initialized.\n");
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else
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printf("Video and Audio not initialized.\n"); </PRE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN642"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlinit.html"
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><TT
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CLASS="FUNCTION"
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>SDL_Init</TT
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></A
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>,
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<A
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HREF="sdlinitsubsystem.html"
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><TT
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CLASS="FUNCTION"
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>SDL_Subsystem</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdlquit.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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><A
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HREF="video.html"
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>Next</A
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></TD
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WIDTH="33%"
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HREF="general.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Video</TD
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></TR
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> |