Mercurial > sdl-ios-xcode
view docs/html/sdldisplayyuvoverlay.html @ 3798:c8b3d3d13ed1 SDL-ryan-multiple-audio-device
Audio bootstraps can now specify that a driver is only to be used if
explicitly requested (for things like the "disk" driver that is always
available but you would never want to default to using).
Trimmed out code that can be handled by stubs in the core. The "dummy" driver
is pretty damned small now. :)
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Wed, 04 Oct 2006 21:27:53 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_DisplayYUVOverlay</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_UnlockYUVOverlay" HREF="sdlunlockyuvoverlay.html"><LINK REL="NEXT" TITLE="SDL_FreeYUVOverlay" HREF="sdlfreeyuvoverlay.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="sdlunlockyuvoverlay.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlfreeyuvoverlay.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLDISPLAYYUVOVERLAY" ></A >SDL_DisplayYUVOverlay</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2908" ></A ><H2 >Name</H2 >SDL_DisplayYUVOverlay -- Blit the overlay to the display</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2911" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN2912" ></A ><P ></P ><PRE CLASS="FUNCSYNOPSISINFO" >#include "SDL.h"</PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >int <B CLASS="FSFUNC" >SDL_DisplayYUVOverlay</B ></CODE >(SDL_Overlay *overlay, SDL_Rect *dstrect);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2918" ></A ><H2 >Description</H2 ><P >Blit the <TT CLASS="PARAMETER" ><I >overlay</I ></TT > to the surface specified when it was <A HREF="sdlcreateyuvoverlay.html" >created</A >. The <A HREF="sdlrect.html" ><SPAN CLASS="STRUCTNAME" >SDL_Rect</SPAN ></A > structure, <TT CLASS="PARAMETER" ><I >dstrect</I ></TT >, specifies the position and size of the destination. If the <TT CLASS="PARAMETER" ><I >dstrect</I ></TT > is a larger or smaller than the overlay then the overlay will be scaled, this is optimized for 2x scaling.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2927" ></A ><H2 >Return Values</H2 ><P >Returns 0 on success</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2930" ></A ><H2 >See Also</H2 ><P ><A HREF="sdloverlay.html" ><SPAN CLASS="STRUCTNAME" >SDL_Overlay</SPAN ></A >, <A HREF="sdlcreateyuvoverlay.html" ><TT CLASS="FUNCTION" >SDL_CreateYUVOverlay</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="sdlunlockyuvoverlay.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="sdlfreeyuvoverlay.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_UnlockYUVOverlay</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_FreeYUVOverlay</TD ></TR ></TABLE ></DIV ></BODY ></HTML >