Mercurial > sdl-ios-xcode
view docs/html/sdlinit.html @ 2675:5e4274591163 gsoc2008_nds
Started minor changes to the coordinate system used by the touchscreen API as discussed on the mailing list. Also beginning to separate the 'Pressed' and 'Moved' event handling on the private level.
author | Darren Alton <dalton@stevens.edu> |
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date | Sun, 29 Jun 2008 21:32:31 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_Init</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="General" HREF="general.html"><LINK REL="PREVIOUS" TITLE="General" HREF="general.html"><LINK REL="NEXT" TITLE="SDL_InitSubSystem" HREF="sdlinitsubsystem.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="general.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlinitsubsystem.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLINIT" ></A >SDL_Init</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN440" ></A ><H2 >Name</H2 >SDL_Init -- Initializes SDL</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN443" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN444" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >int <B CLASS="FSFUNC" >SDL_Init</B ></CODE >(Uint32 flags);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN450" ></A ><H2 >Description</H2 ><P >Initializes SDL. This should be called before all other SDL functions. The <TT CLASS="PARAMETER" ><I >flags</I ></TT > parameter specifies what part(s) of SDL to initialize.</P ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN454" ></A ><P ></P ><TABLE BORDER="1" CLASS="CALSTABLE" ><TBODY ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_TIMER</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Initializes the <A HREF="time.html" >timer</A > subsystem.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_AUDIO</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Initializes the <A HREF="audio.html" >audio</A > subsystem.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_VIDEO</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Initializes the <A HREF="video.html" >video</A > subsystem.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_CDROM</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Initializes the <A HREF="cdrom.html" >cdrom</A > subsystem.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_JOYSTICK</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Initializes the <A HREF="joystick.html" >joystick</A > subsystem.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_EVERYTHING</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Initialize all of the above.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_NOPARACHUTE</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Prevents SDL from catching fatal signals.</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="LITERAL" >SDL_INIT_EVENTTHREAD</TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" > </TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN494" ></A ><H2 >Return Value</H2 ><P >Returns <SPAN CLASS="RETURNVALUE" >-1</SPAN > on an error or <SPAN CLASS="RETURNVALUE" >0</SPAN > on success.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN499" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlquit.html" ><TT CLASS="FUNCTION" >SDL_Quit</TT ></A >, <A HREF="sdlinitsubsystem.html" ><TT CLASS="FUNCTION" >SDL_InitSubSystem</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="general.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="sdlinitsubsystem.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >General</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="general.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_InitSubSystem</TD ></TR ></TABLE ></DIV ></BODY ></HTML >