Mercurial > sdl-ios-xcode
view docs/html/sdllockyuvoverlay.html @ 1264:f3a3f1890b91
Date: Sun, 21 Sep 2003 19:52:42 -0600
From: Tyler Montbriand <tsm@accesscomm.ca>
Subject: Re: [SDL] Hardware buttons on pocket pc
I found it! :)
It has to do with the UNICODE translation code, in SDL_dibevents.c, in the
'#ifdef NO_GETKEYBOARDSTATE' block in DIB_HandleMessage(). The error
handling is a little... aggressive. If it can't translate from unicode, it
wipes out the virtual keycode.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 25 Jan 2006 07:00:40 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_LockYUVOverlay</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="Video" HREF="video.html"><LINK REL="PREVIOUS" TITLE="SDL_CreateYUVOverlay" HREF="sdlcreateyuvoverlay.html"><LINK REL="NEXT" TITLE="SDL_UnlockYUVOverlay" HREF="sdlunlockyuvoverlay.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="sdlcreateyuvoverlay.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlunlockyuvoverlay.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLLOCKYUVOVERLAY" ></A >SDL_LockYUVOverlay</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2844" ></A ><H2 >Name</H2 >SDL_LockYUVOverlay -- Lock an overlay</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2847" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN2848" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >int <B CLASS="FSFUNC" >SDL_LockYUVOverlay</B ></CODE >(SDL_Overlay *overlay);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2854" ></A ><H2 >Description</H2 ><P >Much the same as <A HREF="sdllocksurface.html" ><TT CLASS="FUNCTION" >SDL_LockSurface</TT ></A >, <TT CLASS="FUNCTION" >SDL_LockYUVOverlay</TT > locks the <A HREF="sdloverlay.html" ><TT CLASS="PARAMETER" ><I >overlay</I ></TT ></A > for direct access to pixel data.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2862" ></A ><H2 >Return Value</H2 ><P >Returns <SPAN CLASS="RETURNVALUE" >0</SPAN > on success, or <SPAN CLASS="RETURNVALUE" >-1</SPAN > on an error.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2867" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlunlockyuvoverlay.html" ><TT CLASS="FUNCTION" >SDL_UnlockYUVOverlay</TT ></A >, <A HREF="sdlcreateyuvoverlay.html" ><TT CLASS="FUNCTION" >SDL_CreateYUVOverlay</TT ></A >, <A HREF="sdloverlay.html" ><SPAN CLASS="STRUCTNAME" >SDL_Overlay</SPAN ></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="sdlcreateyuvoverlay.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="sdlunlockyuvoverlay.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_CreateYUVOverlay</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="video.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_UnlockYUVOverlay</TD ></TR ></TABLE ></DIV ></BODY ></HTML >