diff docs/man3/SDL_CDStatus.3 @ 0:74212992fb08

Initial revision
author Sam Lantinga <slouken@lokigames.com>
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/man3/SDL_CDStatus.3	Thu Apr 26 16:45:43 2001 +0000
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+.TH "SDL_CDStatus" "3" "Mon 12 Mar 2001, 01:03" "SDL" "SDL API Reference" 
+.SH "NAME"
+SDL_CDStatus\- Returns the current status of the given drive\&.
+.SH "SYNOPSIS"
+.PP
+\fB#include "SDL\&.h"
+.sp
+\fBCDstatus \fBSDL_CDStatus\fP\fR(\fBSDL_CD *cdrom\fR);
+\fB/* Given a status, returns true if there\&'s a disk in the drive */
+#define CD_INDRIVE(status)      ((int)status > 0)
+.SH "DESCRIPTION"
+.PP
+This function returns the current status of the given drive\&. Status is described like so: 
+.PP
+.nf
+\f(CWtypedef enum {
+  CD_TRAYEMPTY,
+  CD_STOPPED,
+  CD_PLAYING,
+  CD_PAUSED,
+  CD_ERROR = -1
+} CDstatus;\fR
+.fi
+.PP
+.PP
+If the drive has a CD in it, the table of contents of the CD and current play position of the CD will be stored in the SDL_CD structure\&.
+.PP
+The macro \fBCD_INDRIVE\fP is provided for convenience, and given a status returns true if there\&'s a disk in the drive\&.
+.PP
+.RS
+\fBNote:  
+.PP
+\fBSDL_CDStatus\fP also updates the \fI\fBSDL_CD\fR\fR structure passed to it\&.
+.RE
+.SH "EXAMPLE"
+.PP
+.nf
+\f(CWint playTrack(int track)
+{
+  int playing = 0;
+
+  if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) {
+  /* clamp to the actual number of tracks on the CD */
+    if (track >= cdrom->numtracks) {
+      track = cdrom->numtracks-1;
+    }
+
+    if ( SDL_CDPlayTracks(cdrom, track, 0, 1, 0) == 0 ) {
+      playing = 1;
+    }
+  }
+  return playing;
+}\fR
+.fi
+.PP
+.SH "SEE ALSO"
+.PP
+\fI\fBSDL_CD\fP\fR
+...\" created by instant / docbook-to-man, Mon 12 Mar 2001, 01:03