view docs/html/sdldisplayyuvoverlay.html @ 1125:a6011e1394d9

Apparently MacOS X will sometimes pass command line arguments to a Cocoa app as an openFile() message, so we have to make sure we were launched from the Finder before accepting these as drag'n'drop documents, or they will just duplicate what's already in argc/argv.
author Ryan C. Gordon <icculus@icculus.org>
date Mon, 22 Aug 2005 14:18:15 +0000
parents 355632dca928
children
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<HTML
><HEAD
><TITLE
>SDL_DisplayYUVOverlay</TITLE
><META
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><BODY
CLASS="REFENTRY"
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>SDL Library Documentation</TH
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><H1
><A
NAME="SDLDISPLAYYUVOVERLAY"
></A
>SDL_DisplayYUVOverlay</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN2908"
></A
><H2
>Name</H2
>SDL_DisplayYUVOverlay&nbsp;--&nbsp;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
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>