forked from KolibriOS/kolibrios
262 lines
3.6 KiB
HTML
262 lines
3.6 KiB
HTML
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<HTML
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><HEAD
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><TITLE
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>SDL_VideoModeOK</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Video"
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HREF="video.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_ListModes"
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HREF="sdllistmodes.html"><LINK
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REL="NEXT"
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TITLE="SDL_SetVideoMode"
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HREF="sdlsetvideomode.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdllistmodes.html"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="sdlsetvideomode.html"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLVIDEOMODEOK"
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>SDL_VideoModeOK</A
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></H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN797"
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></A
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><H2
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>Name</H2
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>SDL_VideoModeOK -- Check to see if a particular video mode is supported.</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN800"
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></A
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><H2
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>Synopsis</H2
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><DIV
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CLASS="FUNCSYNOPSIS"
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><A
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NAME="AEN801"
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></A
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><P
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></P
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><PRE
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CLASS="FUNCSYNOPSISINFO"
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>#include "SDL.h"</PRE
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><P
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><CODE
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><CODE
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CLASS="FUNCDEF"
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>int <B
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CLASS="FSFUNC"
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>SDL_VideoModeOK</B
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></CODE
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>(int width, int height, int bpp, Uint32 flags);</CODE
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></P
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN807"
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></A
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><H2
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>Description</H2
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><P
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><TT
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CLASS="FUNCTION"
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>SDL_VideoModeOK</TT
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> returns <SPAN
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CLASS="RETURNVALUE"
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>0</SPAN
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>
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if the requested mode is not supported under any bit depth, or returns the
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bits-per-pixel of the closest available mode with the given width, height and requested <A
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HREF="sdlsurface.html"
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>surface</A
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> flags (see <A
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HREF="sdlsetvideomode.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SetVideoMode</TT
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></A
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>).</P
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><P
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>The bits-per-pixel value returned is only a suggested mode. You can usually request and bpp you want when <A
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HREF="sdlsetvideomode.html"
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>setting</A
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> the video mode and SDL will emulate that color depth with a shadow video surface.</P
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><P
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>The arguments to <TT
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CLASS="FUNCTION"
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>SDL_VideoModeOK</TT
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> are the same ones you
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would pass to <A
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HREF="sdlsetvideomode.html"
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>SDL_SetVideoMode</A
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></P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN820"
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></A
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><H2
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>Example</H2
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><PRE
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CLASS="PROGRAMLISTING"
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>SDL_Surface *screen;
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Uint32 bpp;
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.
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.
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.
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printf("Checking mode 640x480@16bpp.\n");
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bpp=SDL_VideoModeOK(640, 480, 16, SDL_HWSURFACE);
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if(!bpp){
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printf("Mode not available.\n");
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exit(-1);
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}
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printf("SDL Recommends 640x480@%dbpp.\n", bpp);
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screen=SDL_SetVideoMode(640, 480, bpp, SDL_HWSURFACE);
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.
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.</PRE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN823"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlsetvideomode.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SetVideoMode</TT
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></A
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>,
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<A
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HREF="sdlgetvideoinfo.html"
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><TT
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CLASS="FUNCTION"
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>SDL_GetVideoInfo</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdllistmodes.html"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="sdlsetvideomode.html"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>SDL_ListModes</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="video.html"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>SDL_SetVideoMode</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>
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