📄 sdlgetgammaramp.html

📁 VC5.6.7的一个扩展库。跟DirectX的功能差不多。
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<HTML><HEAD><TITLE>SDL_GetGammaRamp</TITLE><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="SDL Library Documentation"HREF="index.html"><LINKREL="UP"TITLE="Video"HREF="video.html"><LINKREL="PREVIOUS"TITLE="SDL_SetGamma"HREF="sdlsetgamma.html"><LINKREL="NEXT"TITLE="SDL_SetGammaRamp"HREF="sdlsetgammaramp.html"></HEAD><BODYCLASS="REFENTRY"BGCOLOR="#FFF8DC"TEXT="#000000"LINK="#0000ee"VLINK="#551a8b"ALINK="#ff0000"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">SDL Library Documentation</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="sdlsetgamma.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom"></TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="sdlsetgammaramp.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><H1><ANAME="SDLGETGAMMARAMP"></A>SDL_GetGammaRamp</H1><DIVCLASS="REFNAMEDIV"><ANAME="AEN1598"></A><H2>Name</H2>SDL_GetGammaRamp&nbsp;--&nbsp;Gets the color gamma lookup tables for the display</DIV><DIVCLASS="REFSYNOPSISDIV"><ANAME="AEN1601"></A><H2>Synopsis</H2><DIVCLASS="FUNCSYNOPSIS"><ANAME="AEN1602"></A><P></P><PRECLASS="FUNCSYNOPSISINFO">#include "SDL.h"</PRE><P><CODE><CODECLASS="FUNCDEF">int <BCLASS="FSFUNC">SDL_GetGammaRamp</B></CODE>(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);</CODE></P><P></P></DIV></DIV><DIVCLASS="REFSECT1"><ANAME="AEN1608"></A><H2>Description</H2><P>Gets the gamma translation lookup tables currently used by the display.Each table is an array of 256 Uint16 values.</P><P>Not all display hardware is able to change gamma.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN1612"></A><H2>Return Value</H2><P>Returns -1 on error.</P></DIV><DIVCLASS="REFSECT1"><ANAME="AEN1615"></A><H2>See Also</H2><P><AHREF="sdlsetgamma.html">SDL_SetGamma</A><AHREF="sdlsetgammaramp.html">SDL_SetGammaRamp</A></P></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="sdlsetgamma.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="index.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="sdlsetgammaramp.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">SDL_SetGamma</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="video.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">SDL_SetGammaRamp</TD></TR></TABLE></DIV></BODY></HTML>
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