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annotate docs/man3/SDL_WasInit.3 @ 1280:f61f045343d3

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Re-query the SDL_WINDOWID each time we initialize the video
author Sam Lantinga <slouken@libsdl.org>
date Sun, 29 Jan 2006 06:11:38 +0000
parents e5bc29de3f0a
children 546f7c1eb755
rev   line source
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e5bc29de3f0a Updated from the SDL Documentation Project
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1 .TH "SDL_WasInit" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_WasInit\- Check which subsystems are initialized
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBUint32 \fBSDL_WasInit\fP\fR(\fBUint32 flags\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 \fBSDL_WasInit\fP allows you to see which SDL subsytems have been \fIinitialized\fR\&. \fBflags\fR is a bitwise OR\&'d combination of the subsystems you wish to check (see \fI\fBSDL_Init\fP\fR for a list of subsystem flags)\&.
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12 .SH "RETURN VALUE"
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13 .PP
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14 \fBSDL_WasInit\fP returns a bitwised OR\&'d combination of the initialized subsystems\&.
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15 .SH "EXAMPLES"
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16 .PP
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17 .nf
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18 \f(CW
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19 /* Here are several ways you can use SDL_WasInit() */
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20
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21 /* Get init data on all the subsystems */
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22 Uint32 subsystem_init;
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23
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24 subsystem_init=SDL_WasInit(SDL_INIT_EVERYTHING);
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25
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26 if(subsystem_init&SDL_INIT_VIDEO)
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27 printf("Video is initialized\&.
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28 ");
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29 else
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30 printf("Video is not initialized\&.
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31 ");
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32
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33
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34
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35 /* Just check for one specfic subsystem */
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36
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37 if(SDL_WasInit(SDL_INIT_VIDEO)!=0)
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38 printf("Video is initialized\&.
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39 ");
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40 else
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41 printf("Video is not initialized\&.
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42 ");
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43
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44
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45
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46
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47 /* Check for two subsystems */
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48
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49 Uint32 subsystem_mask=SDL_INIT_VIDEO|SDL_INIT_AUDIO;
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50
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51 if(SDL_WasInit(subsystem_mask)==subsystem_mask)
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52 printf("Video and Audio initialized\&.
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53 ");
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54 else
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55 printf("Video and Audio not initialized\&.
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56 ");
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57 \fR
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58 .fi
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59 .PP
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60 .SH "SEE ALSO"
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61 .PP
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62 \fI\fBSDL_Init\fP\fR, \fI\fBSDL_Subsystem\fP\fR
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63 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00