forked from KolibriOS/kolibrios
486 lines
6.8 KiB
HTML
486 lines
6.8 KiB
HTML
<HTML
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><HEAD
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><TITLE
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>SDL_SetVideoMode</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_VideoModeOK"
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HREF="sdlvideomodeok.html"><LINK
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TITLE="SDL_UpdateRect"
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HREF="sdlupdaterect.html"></HEAD
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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="sdlvideomodeok.html"
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>Prev</A
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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HREF="sdlupdaterect.html"
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>Next</A
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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="SDLSETVIDEOMODE"
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>SDL_SetVideoMode</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="AEN834"
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></A
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><H2
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>Name</H2
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>SDL_SetVideoMode -- Set up a video mode with the specified width, height and bits-per-pixel.</DIV
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><DIV
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CLASS="REFSYNOPSISDIV"
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><A
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NAME="AEN837"
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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="AEN838"
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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_Surface *<B
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CLASS="FSFUNC"
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>SDL_SetVideoMode</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="AEN844"
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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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>Set up a video mode with the specified width, height and bits-per-pixel.</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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>bpp</I
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></TT
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> is 0, it is treated as the
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current display bits per pixel.</P
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><P
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>The <TT
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CLASS="PARAMETER"
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><I
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>flags</I
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></TT
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> parameter is the same as the <TT
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CLASS="STRUCTFIELD"
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><I
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>flags</I
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></TT
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> field of the <A
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HREF="sdlsurface.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Surface</SPAN
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></A
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> structure. OR'd combinations of the following values are valid.</P
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN854"
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></A
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><P
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></P
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><TABLE
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BORDER="1"
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CLASS="CALSTABLE"
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><TBODY
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_SWSURFACE</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Create the video surface in system memory</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_HWSURFACE</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Create the video surface in video memory</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_ASYNCBLIT</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Enables the use of asynchronous to the display surface. This will usually slow down blitting on single CPU machines, but may provide a speed increase on SMP systems.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_ANYFORMAT</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Normally, if a video surface of the requested depth (<TT
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CLASS="PARAMETER"
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><I
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>bpp</I
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></TT
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>) is not available, SDL will emulate one with a shadow surface. Passing <TT
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CLASS="LITERAL"
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>SDL_ANYFORMAT</TT
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> prevents this and causes SDL to use the video surface, regardless of its depth.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_HWPALETTE</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Give SDL exclusive palette access. Without this flag you may not always get the the colors you request with <A
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HREF="sdlsetcolors.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SetColors</TT
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></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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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_DOUBLEBUF</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Enable double buffering; only valid with SDL_HWSURFACE. Calling <A
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HREF="sdlflip.html"
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><TT
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CLASS="FUNCTION"
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>SDL_Flip</TT
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></A
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> will flip the buffers and update the screen. If double buffering could not be enabled then <TT
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CLASS="FUNCTION"
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>SDL_Flip</TT
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> will just perform a <A
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HREF="sdlupdaterect.html"
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><TT
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CLASS="FUNCTION"
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>SDL_UpdateRect</TT
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></A
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> on the entire screen.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_FULLSCREEN</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>SDL will attempt to use a fullscreen mode</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_OPENGL</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Create an OpenGL rendering context. You should have previously set OpenGL video attributes with <A
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HREF="sdlglsetattribute.html"
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><TT
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CLASS="FUNCTION"
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>SDL_GL_SetAttribute</TT
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></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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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_OPENGLBLIT</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Create an OpenGL rendering context, like above, but allow normal blitting operations.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_RESIZABLE</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Create a resizable window. When the window is resized by the user a <A
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HREF="sdlresizeevent.html"
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><TT
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CLASS="LITERAL"
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>SDL_VIDEORESIZE</TT
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></A
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> event is generated and <TT
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CLASS="FUNCTION"
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>SDL_SetVideoMode</TT
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> can be called again with the new size.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="LITERAL"
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>SDL_NOFRAME</TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>If possible, <TT
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CLASS="LITERAL"
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>SDL_NOFRAME</TT
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> causes SDL to create a window with no title bar or frame decoration. Fullscreen modes automatically have this flag set.</TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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><DIV
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CLASS="NOTE"
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><BLOCKQUOTE
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CLASS="NOTE"
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><P
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><B
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>Note: </B
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>Whatever <TT
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CLASS="PARAMETER"
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><I
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>flags</I
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></TT
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> <TT
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CLASS="FUNCTION"
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>SDL_SetVideoMode</TT
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> could satisfy are set in the <TT
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CLASS="STRUCTFIELD"
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><I
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>flags</I
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></TT
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> member of the returned surface.</P
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></BLOCKQUOTE
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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="AEN921"
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></A
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><H2
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>Return Value</H2
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><P
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>The framebuffer surface, or <SPAN
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CLASS="RETURNVALUE"
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>NULL</SPAN
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> if it fails.</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="AEN925"
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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="sdllocksurface.html"
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><TT
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CLASS="FUNCTION"
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>SDL_LockSurface</TT
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></A
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>,
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<A
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HREF="sdlsetcolors.html"
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><TT
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CLASS="FUNCTION"
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>SDL_SetColors</TT
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></A
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>,
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<A
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HREF="sdlflip.html"
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><TT
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CLASS="FUNCTION"
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>SDL_Flip</TT
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></A
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>,
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<A
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HREF="sdlsurface.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Surface</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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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="sdlvideomodeok.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="sdlupdaterect.html"
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>Next</A
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></TD
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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_VideoModeOK</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_UpdateRect</TD
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></TR
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></TABLE
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