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><H1
><A
NAME="SDLDISPLAYFORMAT"
>SDL_DisplayFormat</A
></H1
><DIV
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><A
NAME="AEN2010"
></A
><H2
>Name</H2
>SDL_DisplayFormat&nbsp;--&nbsp;Convert a surface to the display format</DIV
><DIV
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>Synopsis</H2
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><P
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><PRE
CLASS="FUNCSYNOPSISINFO"
>#include "SDL.h"</PRE
><P
><CODE
><CODE
CLASS="FUNCDEF"
>SDL_Surface *<B
CLASS="FSFUNC"
>SDL_DisplayFormat</B
></CODE
>(SDL_Surface *surface);</CODE
></P
><P
></P
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><A
NAME="AEN2020"
></A
><H2
>Description</H2
><P
>This function takes a surface and copies it to a new surface of the
pixel format and colors of the video framebuffer, suitable for fast
blitting onto the display surface.  It calls
<A
HREF="sdlconvertsurface.html"
>SDL_ConvertSurface</A
></P
><P
>If you want to take advantage of hardware colorkey or alpha blit
acceleration, you should set the colorkey and alpha value before
calling this function.</P
><P
>If you want an alpha channel, see <A
HREF="sdldisplayformatalpha.html"
>SDL_DisplayFormatAlpha</A
>.</P
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><H2
>Return Value</H2
><P
>If the conversion fails or runs out of memory, it returns
<SPAN
CLASS="RETURNVALUE"
>NULL</SPAN
></P
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><H2
>See Also</H2
><P
><A
HREF="sdlconvertsurface.html"
><TT
CLASS="FUNCTION"
>SDL_ConvertSurface</TT
></A
>,
<A
HREF="sdldisplayformatalpha.html"
><TT
CLASS="FUNCTION"
>SDL_DisplayFormatAlpha</TT
></A
>
<A
HREF="sdlsetalpha.html"
><TT
CLASS="FUNCTION"
>SDL_SetAlpha</TT
></A
>,
<A
HREF="sdlsetcolorkey.html"
><TT
CLASS="FUNCTION"
>SDL_SetColorKey</TT
></A
>,
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><SPAN
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>SDL_Surface</SPAN
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author	Sam Lantinga <slouken@libsdl.org>
date	Sat, 03 Nov 2001 17:03:16 +0000
parents	e5bc29de3f0a
children	355632dca928