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Initial revision
author Sam Lantinga <slouken@lokigames.com>
date Thu, 26 Apr 2001 16:45:43 +0000
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children 55f1f1b3e27d
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-1:000000000000 0:74212992fb08
1 <HTML
2 ><HEAD
3 ><TITLE
4 >SDL_GetGammaRamp</TITLE
5 ><META
6 NAME="GENERATOR"
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.61
8 "><LINK
9 REL="HOME"
10 TITLE="SDL Library Documentation"
11 HREF="index.html"><LINK
12 REL="UP"
13 TITLE="Video"
14 HREF="video.html"><LINK
15 REL="PREVIOUS"
16 TITLE="SDL_SetGamma"
17 HREF="sdlsetgamma.html"><LINK
18 REL="NEXT"
19 TITLE="SDL_SetGammaRamp"
20 HREF="sdlsetgammaramp.html"></HEAD
21 ><BODY
22 CLASS="REFENTRY"
23 BGCOLOR="#FFF8DC"
24 TEXT="#000000"
25 LINK="#0000ee"
26 VLINK="#551a8b"
27 ALINK="#ff0000"
28 ><DIV
29 CLASS="NAVHEADER"
30 ><TABLE
31 WIDTH="100%"
32 BORDER="0"
33 CELLPADDING="0"
34 CELLSPACING="0"
35 ><TR
36 ><TH
37 COLSPAN="3"
38 ALIGN="center"
39 >SDL Library Documentation</TH
40 ></TR
41 ><TR
42 ><TD
43 WIDTH="10%"
44 ALIGN="left"
45 VALIGN="bottom"
46 ><A
47 HREF="sdlsetgamma.html"
48 >Prev</A
49 ></TD
50 ><TD
51 WIDTH="80%"
52 ALIGN="center"
53 VALIGN="bottom"
54 ></TD
55 ><TD
56 WIDTH="10%"
57 ALIGN="right"
58 VALIGN="bottom"
59 ><A
60 HREF="sdlsetgammaramp.html"
61 >Next</A
62 ></TD
63 ></TR
64 ></TABLE
65 ><HR
66 ALIGN="LEFT"
67 WIDTH="100%"></DIV
68 ><H1
69 ><A
70 NAME="SDLGETGAMMARAMP"
71 >SDL_GetGammaRamp</A
72 ></H1
73 ><DIV
74 CLASS="REFNAMEDIV"
75 ><A
76 NAME="AEN1141"
77 ></A
78 ><H2
79 >Name</H2
80 >SDL_GetGammaRamp&nbsp;--&nbsp;Gets the color gamma lookup tables for the display</DIV
81 ><DIV
82 CLASS="REFSYNOPSISDIV"
83 ><A
84 NAME="AEN1144"
85 ></A
86 ><H2
87 >Synopsis</H2
88 ><DIV
89 CLASS="FUNCSYNOPSIS"
90 ><A
91 NAME="AEN1145"
92 ></A
93 ><P
94 ></P
95 ><PRE
96 CLASS="FUNCSYNOPSISINFO"
97 >#include "SDL.h"</PRE
98 ><P
99 ><CODE
100 ><CODE
101 CLASS="FUNCDEF"
102 >int <B
103 CLASS="FSFUNC"
104 >SDL_GetGammaRamp</B
105 ></CODE
106 >(Uint16 *redtable, Uint16 *greentable, Uint16 *bluetable);</CODE
107 ></P
108 ><P
109 ></P
110 ></DIV
111 ></DIV
112 ><DIV
113 CLASS="REFSECT1"
114 ><A
115 NAME="AEN1151"
116 ></A
117 ><H2
118 >Description</H2
119 ><P
120 >Gets the gamma translation lookup tables currently used by the display.
121 Each table is an array of 256 Uint16 values.</P
122 ><P
123 >Not all display hardware is able to change gamma.</P
124 ></DIV
125 ><DIV
126 CLASS="REFSECT1"
127 ><A
128 NAME="AEN1155"
129 ></A
130 ><H2
131 >Return Value</H2
132 ><P
133 >Returns -1 on error.</P
134 ></DIV
135 ><DIV
136 CLASS="REFSECT1"
137 ><A
138 NAME="AEN1158"
139 ></A
140 ><H2
141 >See Also</H2
142 ><P
143 ><A
144 HREF="sdlsetgamma.html"
145 >SDL_SetGamma</A
146 >
147 <A
148 HREF="sdlsetgammaramp.html"
149 >SDL_SetGammaRamp</A
150 ></P
151 ></DIV
152 ><DIV
153 CLASS="NAVFOOTER"
154 ><HR
155 ALIGN="LEFT"
156 WIDTH="100%"><TABLE
157 WIDTH="100%"
158 BORDER="0"
159 CELLPADDING="0"
160 CELLSPACING="0"
161 ><TR
162 ><TD
163 WIDTH="33%"
164 ALIGN="left"
165 VALIGN="top"
166 ><A
167 HREF="sdlsetgamma.html"
168 >Prev</A
169 ></TD
170 ><TD
171 WIDTH="34%"
172 ALIGN="center"
173 VALIGN="top"
174 ><A
175 HREF="index.html"
176 >Home</A
177 ></TD
178 ><TD
179 WIDTH="33%"
180 ALIGN="right"
181 VALIGN="top"
182 ><A
183 HREF="sdlsetgammaramp.html"
184 >Next</A
185 ></TD
186 ></TR
187 ><TR
188 ><TD
189 WIDTH="33%"
190 ALIGN="left"
191 VALIGN="top"
192 >SDL_SetGamma</TD
193 ><TD
194 WIDTH="34%"
195 ALIGN="center"
196 VALIGN="top"
197 ><A
198 HREF="video.html"
199 >Up</A
200 ></TD
201 ><TD
202 WIDTH="33%"
203 ALIGN="right"
204 VALIGN="top"
205 >SDL_SetGammaRamp</TD
206 ></TR
207 ></TABLE
208 ></DIV
209 ></BODY
210 ></HTML
211 >