302 lines
4.3 KiB
HTML
302 lines
4.3 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_ListModes</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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TITLE="Video"
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HREF="video.html"><LINK
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TITLE="SDL_VideoDriverName"
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HREF="sdlvideodrivername.html"><LINK
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REL="NEXT"
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TITLE="SDL_VideoModeOK"
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HREF="sdlvideomodeok.html"></HEAD
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BGCOLOR="#FFF8DC"
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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="sdlvideodrivername.html"
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>Prev</A
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WIDTH="10%"
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HREF="sdlvideomodeok.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="SDLLISTMODES"
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>SDL_ListModes</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="AEN754"
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></A
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><H2
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>Name</H2
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>SDL_ListModes -- Returns a pointer to an array of available screen dimensions for
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the given format and video flags</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN757"
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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="AEN758"
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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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>SDL_Rect **<B
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CLASS="FSFUNC"
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>SDL_ListModes</B
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></CODE
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>(SDL_PixelFormat *format, 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="AEN764"
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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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>Return a pointer to an array of available screen dimensions for the given
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format and video flags, sorted largest to smallest. Returns
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<TT
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CLASS="LITERAL"
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>NULL</TT
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> if there are no dimensions available for a particular
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format, or <SPAN
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CLASS="RETURNVALUE"
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>-1</SPAN
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> if any dimension is okay for
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the given format.</P
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><P
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>If <TT
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CLASS="PARAMETER"
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><I
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>format</I
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></TT
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> is <TT
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CLASS="LITERAL"
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>NULL</TT
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>, the mode list
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will be for the format returned by <A
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HREF="sdlgetvideoinfo.html"
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>SDL_GetVideoInfo()</A
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>-><TT
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CLASS="STRUCTFIELD"
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><I
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>vfmt</I
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></TT
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>. The <TT
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CLASS="PARAMETER"
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><I
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>flag</I
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></TT
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> parameter is an OR'd combination of <A
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HREF="sdlsurface.html"
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>surface</A
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> flags. The flags are the same as those used <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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> and they play a strong role in deciding what modes are valid. For instance, if you pass <TT
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CLASS="LITERAL"
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>SDL_HWSURFACE</TT
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> as a flag only modes that support hardware video surfaces will be returned.</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="AEN779"
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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_Rect **modes;
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int i;
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.
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.
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.
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/* Get available fullscreen/hardware modes */
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modes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE);
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/* Check is there are any modes available */
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if(modes == (SDL_Rect **)0){
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printf("No modes available!\n");
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exit(-1);
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}
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/* Check if or resolution is restricted */
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if(modes == (SDL_Rect **)-1){
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printf("All resolutions available.\n");
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}
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else{
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/* Print valid modes */
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printf("Available Modes\n");
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for(i=0;modes[i];++i)
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printf(" %d x %d\n", modes[i]->w, modes[i]->h);
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}
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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="AEN782"
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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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>,
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<A
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HREF="sdlrect.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Rect</SPAN
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></A
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>,
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<A
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HREF="sdlpixelformat.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_PixelFormat</SPAN
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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="sdlvideodrivername.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="sdlvideomodeok.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_VideoDriverName</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_VideoModeOK</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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> |