Mercurial > sdl-ios-xcode
view docs/html/sdlcreateyuvoverlay.html @ 3916:16f7767f9580 SDL-1.2
Force chars to unsigned chars in SDL_string.c, so platforms that expect
these to not be negative, when not EOF, work.
Fixes Bugzilla #338.
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Thu, 15 Feb 2007 11:06:22 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_CreateYUVOverlay</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_GL_SwapBuffers" HREF="sdlglswapbuffers.html"><LINK REL="NEXT" TITLE="SDL_LockYUVOverlay" HREF="sdllockyuvoverlay.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="sdlglswapbuffers.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdllockyuvoverlay.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLCREATEYUVOVERLAY" ></A >SDL_CreateYUVOverlay</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2808" ></A ><H2 >Name</H2 >SDL_CreateYUVOverlay -- Create a YUV video overlay</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2811" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN2812" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >SDL_Overlay *<B CLASS="FSFUNC" >SDL_CreateYUVOverlay</B ></CODE >(int width, int height, Uint32 format, SDL_Surface *display);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2818" ></A ><H2 >Description</H2 ><P ><TT CLASS="FUNCTION" >SDL_CreateYUVOverlay</TT > creates a YUV overlay of the specified <TT CLASS="PARAMETER" ><I >width</I ></TT >, <TT CLASS="PARAMETER" ><I >height</I ></TT > and <TT CLASS="PARAMETER" ><I >format</I ></TT > (see <A HREF="sdloverlay.html" ><SPAN CLASS="STRUCTNAME" >SDL_Overlay</SPAN ></A > for a list of available formats), for the provided <TT CLASS="PARAMETER" ><I >display</I ></TT >. A <A HREF="sdloverlay.html" ><SPAN CLASS="STRUCTNAME" >SDL_Overlay</SPAN ></A > structure is returned.</P ><P >The term 'overlay' is a misnomer since, unless the overlay is created in hardware, the contents for the display surface underneath the area where the overlay is shown will be overwritten when the overlay is displayed.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2831" ></A ><H2 >See Also</H2 ><P ><A HREF="sdloverlay.html" ><SPAN CLASS="STRUCTNAME" >SDL_Overlay</SPAN ></A >, <A HREF="sdldisplayyuvoverlay.html" ><TT CLASS="FUNCTION" >SDL_DisplayYUVOverlay</TT ></A >, <A HREF="sdlfreeyuvoverlay.html" ><TT CLASS="FUNCTION" >SDL_FreeYUVOverlay</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="sdlglswapbuffers.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="sdllockyuvoverlay.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_GL_SwapBuffers</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_LockYUVOverlay</TD ></TR ></TABLE ></DIV ></BODY ></HTML >