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>SDL_VideoModeOK</TITLE |
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><H1 |
><A |
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>SDL_VideoModeOK</A |
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><A |
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><H2 |
>Name</H2 |
>SDL_VideoModeOK -- Check to see if a particular video mode is supported.</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" |
>int <B |
CLASS="FSFUNC" |
>SDL_VideoModeOK</B |
></CODE |
>(int width, int height, int bpp, Uint32 flags);</CODE |
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><A |
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><H2 |
>Description</H2 |
><P |
><TT |
CLASS="FUNCTION" |
>SDL_VideoModeOK</TT |
> returns <SPAN |
CLASS="RETURNVALUE" |
>0</SPAN |
> |
if the requested mode is not supported under any bit depth, or returns the |
bits-per-pixel of the closest available mode with the given width, height and requested <A |
HREF="sdlsurface.html" |
>surface</A |
> flags (see <A |
HREF="sdlsetvideomode.html" |
><TT |
CLASS="FUNCTION" |
>SDL_SetVideoMode</TT |
></A |
>).</P |
><P |
>The bits-per-pixel value returned is only a suggested mode. You can usually request and bpp you want when <A |
HREF="sdlsetvideomode.html" |
>setting</A |
> the video mode and SDL will emulate that color depth with a shadow video surface.</P |
><P |
>The arguments to <TT |
CLASS="FUNCTION" |
>SDL_VideoModeOK</TT |
> are the same ones you |
would pass to <A |
HREF="sdlsetvideomode.html" |
>SDL_SetVideoMode</A |
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><H2 |
>Example</H2 |
><PRE |
CLASS="PROGRAMLISTING" |
>SDL_Surface *screen; |
Uint32 bpp; |
. |
. |
. |
printf("Checking mode 640x480@16bpp.\n"); |
bpp=SDL_VideoModeOK(640, 480, 16, SDL_HWSURFACE); |
|
if(!bpp){ |
printf("Mode not available.\n"); |
exit(-1); |
} |
|
printf("SDL Recommends 640x480@%dbpp.\n", bpp); |
screen=SDL_SetVideoMode(640, 480, bpp, SDL_HWSURFACE); |
. |
.</PRE |
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><H2 |
>See Also</H2 |
><P |
><A |
HREF="sdlsetvideomode.html" |
><TT |
CLASS="FUNCTION" |
>SDL_SetVideoMode</TT |
></A |
>, |
<A |
HREF="sdlgetvideoinfo.html" |
><TT |
CLASS="FUNCTION" |
>SDL_GetVideoInfo</TT |
></A |
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>SDL_SetVideoMode</TD |
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