Mercurial > sdl-ios-xcode
view docs/html/sdldisplayformat.html @ 3957:b1d5b56aa549 SDL-1.2
Date: Mon, 4 Jun 2007 06:17:59 +0000 (UTC)
From: George Gensure <werkt0@gmail.com>
Subject: [SDL] error removal patch for SDL_x11dyn.c
I found that calling SDL_GetError when an error hasn't necessarily occurred is
still reporting problems from loadso regarding dynamic functions in X11. I've
added the following to my local copy to avoid revealing the 'many library
lookup' approach adopted by x11dyn.c:
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Wed, 13 Jun 2007 07:54:10 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_DisplayFormat</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="SDL Library Documentation" HREF="index.html"><LINK REL="UP" TITLE="Video" HREF="video.html"><LINK REL="PREVIOUS" TITLE="SDL_FillRect" HREF="sdlfillrect.html"><LINK REL="NEXT" TITLE="SDL_DisplayFormatAlpha" HREF="sdldisplayformatalpha.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFF8DC" TEXT="#000000" LINK="#0000ee" VLINK="#551a8b" ALINK="#ff0000" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >SDL Library Documentation</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="sdlfillrect.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdldisplayformatalpha.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLDISPLAYFORMAT" ></A >SDL_DisplayFormat</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN2394" ></A ><H2 >Name</H2 >SDL_DisplayFormat -- Convert a surface to the display format</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN2397" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN2398" ></A ><P ></P ><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 ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2404" ></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 ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2411" ></A ><H2 >Return Value</H2 ><P >If the conversion fails or runs out of memory, it returns <SPAN CLASS="RETURNVALUE" >NULL</SPAN ></P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN2415" ></A ><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 >, <A HREF="sdlsurface.html" ><SPAN CLASS="STRUCTNAME" >SDL_Surface</SPAN ></A ></P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="sdlfillrect.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="sdldisplayformatalpha.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_FillRect</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="video.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >SDL_DisplayFormatAlpha</TD ></TR ></TABLE ></DIV ></BODY ></HTML >