Mercurial > sdl-ios-xcode
view docs/html/sdlcolor.html @ 4347:38f22ed3a433 SDL-1.2
Option to fix bug #851
For some people setting the period size works better (and is what SDL 1.2.13 did), but for most people it's the same or worse. You can use an environment variable to pick which one you want.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 17 Oct 2009 06:55:17 +0000 |
parents | 355632dca928 |
children |
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<HTML ><HEAD ><TITLE >SDL_Color</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_Rect" HREF="sdlrect.html"><LINK REL="NEXT" TITLE="SDL_Palette" HREF="sdlpalette.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="sdlrect.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="sdlpalette.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="SDLCOLOR" ></A >SDL_Color</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN3082" ></A ><H2 >Name</H2 >SDL_Color -- Format independent color description</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3085" ></A ><H2 >Structure Definition</H2 ><PRE CLASS="PROGRAMLISTING" >typedef struct{ Uint8 r; Uint8 g; Uint8 b; Uint8 unused; } SDL_Color;</PRE ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3088" ></A ><H2 >Structure Data</H2 ><DIV CLASS="INFORMALTABLE" ><A NAME="AEN3090" ></A ><P ></P ><TABLE BORDER="0" CLASS="CALSTABLE" ><TBODY ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >r</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Red intensity</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >g</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Green intensity</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >b</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Blue intensity</TD ></TR ><TR ><TD ALIGN="LEFT" VALIGN="TOP" ><TT CLASS="STRUCTFIELD" ><I >unused</I ></TT ></TD ><TD ALIGN="LEFT" VALIGN="TOP" >Unused</TD ></TR ></TBODY ></TABLE ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3109" ></A ><H2 >Description</H2 ><P ><SPAN CLASS="STRUCTNAME" >SDL_Color</SPAN > describes a color in a format independent way. You can convert a <SPAN CLASS="STRUCTNAME" >SDL_Color</SPAN > to a pixel value for a certain pixel format using <A HREF="sdlmaprgb.html" ><TT CLASS="FUNCTION" >SDL_MapRGB</TT ></A >.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN3116" ></A ><H2 >See Also</H2 ><P ><A HREF="sdlpixelformat.html" ><SPAN CLASS="STRUCTNAME" >SDL_PixelFormat</SPAN ></A >, <A HREF="sdlsetcolors.html" ><TT CLASS="FUNCTION" >SDL_SetColors</TT ></A >, <A HREF="sdlpalette.html" ><TT CLASS="FUNCTION" >SDL_Palette</TT ></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="sdlrect.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="sdlpalette.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >SDL_Rect</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_Palette</TD ></TR ></TABLE ></DIV ></BODY ></HTML >