view docs/html/sdlconvertsurface.html @ 3818:49eadd6e8962 SDL-ryan-multiple-audio-device

Mangled ALSA dynamic loading...static loading will still work if you have the right libraries, but this is expected to break in general cases as we start dealing with different symbol versions, etc (but may work with, say, distro-specific packages, etc).
author Ryan C. Gordon <icculus@icculus.org>
date Fri, 06 Oct 2006 19:45:11 +0000
parents 355632dca928
children
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>SDL_ConvertSurface</TITLE
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><H1
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>SDL_ConvertSurface</H1
><DIV
CLASS="REFNAMEDIV"
><A
NAME="AEN2258"
></A
><H2
>Name</H2
>SDL_ConvertSurface&nbsp;--&nbsp;Converts a surface to the same format as another surface.</DIV
><DIV
CLASS="REFSYNOPSISDIV"
><A
NAME="AEN2261"
></A
><H2
>Synopsis</H2
><DIV
CLASS="FUNCSYNOPSIS"
><A
NAME="AEN2262"
></A
><P
></P
><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL/SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDL_Surface *<B
CLASS="FSFUNC"
>SDL_ConvertSurface</B
></CODE
>(SDL_Surface *src, SDL_PixelFormat *fmt, Uint32 flags);</CODE
></P
><P
></P
></DIV
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2268"
></A
><H2
>Description</H2
><P
>Creates a new surface of the specified format, and then copies and maps
the given surface to it.  If this function fails, it returns
<TT
CLASS="LITERAL"
>NULL</TT
>.</P
><P
>The <TT
CLASS="PARAMETER"
><I
>flags</I
></TT
> parameter is passed to 
<A
HREF="sdlcreatergbsurface.html"
><TT
CLASS="FUNCTION"
>SDL_CreateRGBSurface</TT
></A
>
and has those semantics.</P
><P
>This function is used internally by 
<A
HREF="sdldisplayformat.html"
><TT
CLASS="FUNCTION"
>SDL_DisplayFormat</TT
></A
>.</P
><P
>This function can only be called after SDL_Init.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2280"
></A
><H2
>Return Value</H2
><P
>Returns either a pointer to the new surface, or
<TT
CLASS="LITERAL"
>NULL</TT
> on error.</P
></DIV
><DIV
CLASS="REFSECT1"
><A
NAME="AEN2284"
></A
><H2
>See Also</H2
><P
><A
HREF="sdlcreatergbsurface.html"
><TT
CLASS="FUNCTION"
>SDL_CreateRGBSurface</TT
></A
>,
<A
HREF="sdldisplayformat.html"
><TT
CLASS="FUNCTION"
>SDL_DisplayFormat</TT
></A
>,
<A
HREF="sdlpixelformat.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_PixelFormat</SPAN
></A
>,
<A
HREF="sdlsurface.html"
><SPAN
CLASS="STRUCTNAME"
>SDL_Surface</SPAN
></A
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