Mercurial > sdl-ios-xcode
view docs/html/sdlcdopen.html @ 2429:2c55b72ba46e gsoc2008_iphone
testdyngles is exactly what it sounds like -- a version of testdyngl that uses OpenGL ES calls instead of OpenGL. Was necessary to create because glOrtho is called glOrthof in OpenGL ES, and OpenGL ES doesn't have glBegin() type semantics for specifying geometry.
author | Holmes Futrell <hfutrell@umail.ucsb.edu> |
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date | Fri, 15 Aug 2008 00:52:52 +0000 |
parents | 355632dca928 |
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<HTML ><HEAD ><TITLE >SDL_CDOpen</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="CD-ROM" HREF="cdrom.html"><LINK REL="PREVIOUS" TITLE="SDL_CDName" HREF="sdlcdname.html"><LINK REL="NEXT" TITLE="SDL_CDStatus" HREF="sdlcdstatus.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation 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="sdlcdname.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlcdstatus.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLCDOPEN" ></A >SDL_CDOpen</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN7274" ></A ><H2 >Name</H2 >SDL_CDOpen -- Opens a CD-ROM drive for access.</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN7277" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN7278" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >SDL_CD *<B CLASS="FSFUNC" >SDL_CDOpen</B ></CODE >(int drive);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN7284" ></A ><H2 >Description</H2 ><P >Opens a CD-ROM drive for access. It returns a <A HREF="sdlcd.html" ><SPAN CLASS="STRUCTNAME" >SDL_CD</SPAN ></A > structure on success, or <TT CLASS="LITERAL" >NULL</TT > if the drive was invalid or busy. This newly opened CD-ROM becomes the default CD used when other CD functions are passed a <TT CLASS="LITERAL" >NULL</TT > CD-ROM handle. </P ><P >Drives are numbered starting with 0. Drive 0 is the system default CD-ROM.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN7292" ></A ><H2 >Examples</H2 ><PRE CLASS="PROGRAMLISTING" >SDL_CD *cdrom; int cur_track; int min, sec, frame; SDL_Init(SDL_INIT_CDROM); atexit(SDL_Quit); /* Check for CD drives */ if(!SDL_CDNumDrives()){ /* None found */ fprintf(stderr, "No CDROM devices available\n"); exit(-1); } /* Open the default drive */ cdrom=SDL_CDOpen(0); /* Did if open? Check if cdrom is NULL */ if(!cdrom){ fprintf(stderr, "Couldn't open drive: %s\n", SDL_GetError()); exit(-1); } /* Print Volume info */ printf("Name: %s\n", SDL_CDName(0)); printf("Tracks: %d\n", cdrom->numtracks); for(cur_track=0;cur_track < cdrom->numtracks; cur_track++){ FRAMES_TO_MSF(cdrom->track[cur_track].length, &min, &sec, &frame); printf("\tTrack %d: Length %d:%d\n", cur_track, min, sec); } SDL_CDClose(cdrom);</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN7295" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlcd.html" ><SPAN CLASS="STRUCTNAME" >SDL_CD</SPAN ></A >, <A HREF="sdlcdtrack.html" ><SPAN CLASS="STRUCTNAME" >SDL_CDtrack</SPAN ></A >, <A HREF="sdlcdclose.html" ><TT CLASS="FUNCTION" >SDL_CDClose</TT ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlcdname.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdlcdstatus.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_CDName</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="cdrom.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_CDStatus</TD ></TR ></TABLE ></DIV ></BODY ></HTML >