Mercurial > sdl-ios-xcode
annotate docs/html/sdlgetrgb.html @ 302:8a86bdf34f0f
Added Atari joystick support (thanks Patrice!)
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Thu, 07 Mar 2002 20:23:11 +0000 |
parents | e5bc29de3f0a |
children | 355632dca928 |
rev | line source |
---|---|
0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_GetRGB</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
55
55f1f1b3e27d
Added new docs for SDL 1.2.1
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
7 CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
0 | 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_MapRGBA" | |
17 HREF="sdlmaprgba.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_GetRGBA" | |
20 HREF="sdlgetrgba.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="sdlmaprgba.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="sdlgetrgba.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="SDLGETRGB" | |
71 >SDL_GetRGB</A | |
72 ></H1 | |
73 ><DIV | |
74 CLASS="REFNAMEDIV" | |
75 ><A | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
76 NAME="AEN1334" |
0 | 77 ></A |
78 ><H2 | |
79 >Name</H2 | |
80 >SDL_GetRGB -- Get RGB values from a pixel in the specified pixel format.</DIV | |
81 ><DIV | |
82 CLASS="REFSYNOPSISDIV" | |
83 ><A | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
84 NAME="AEN1337" |
0 | 85 ></A |
86 ><H2 | |
87 >Synopsis</H2 | |
88 ><DIV | |
89 CLASS="FUNCSYNOPSIS" | |
90 ><A | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
91 NAME="AEN1338" |
0 | 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 >void <B | |
103 CLASS="FSFUNC" | |
104 >SDL_GetRGB</B | |
105 ></CODE | |
106 >(Uint32 pixel, SDL_PixelFormat *fmt, Uint8 *r, Uint8 *g, Uint8 *b);</CODE | |
107 ></P | |
108 ><P | |
109 ></P | |
110 ></DIV | |
111 ></DIV | |
112 ><DIV | |
113 CLASS="REFSECT1" | |
114 ><A | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
115 NAME="AEN1344" |
0 | 116 ></A |
117 ><H2 | |
118 >Description</H2 | |
119 ><P | |
120 >Get RGB component values from a pixel stored in the specified pixel format.</P | |
121 ><P | |
122 >This function uses the entire 8-bit [0..255] range when converting color | |
123 components from pixel formats with less than 8-bits per RGB component | |
124 (e.g., a completely white pixel in 16-bit RGB565 format would return | |
125 [0xff, 0xff, 0xff] not [0xf8, 0xfc, 0xf8]).</P | |
126 ></DIV | |
127 ><DIV | |
128 CLASS="REFSECT1" | |
129 ><A | |
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
130 NAME="AEN1348" |
0 | 131 ></A |
132 ><H2 | |
133 >See Also</H2 | |
134 ><P | |
135 ><A | |
136 HREF="sdlgetrgba.html" | |
137 ><TT | |
138 CLASS="FUNCTION" | |
139 >SDL_GetRGBA</TT | |
140 ></A | |
141 >, | |
142 <A | |
143 HREF="sdlmaprgb.html" | |
144 ><TT | |
145 CLASS="FUNCTION" | |
146 >SDL_MapRGB</TT | |
147 ></A | |
148 >, | |
149 <A | |
150 HREF="sdlmaprgba.html" | |
151 ><TT | |
152 CLASS="FUNCTION" | |
153 >SDL_MapRGBA</TT | |
154 ></A | |
155 >, | |
156 <A | |
157 HREF="sdlpixelformat.html" | |
158 ><SPAN | |
159 CLASS="STRUCTNAME" | |
160 >SDL_PixelFormat</SPAN | |
161 ></A | |
162 ></P | |
163 ></DIV | |
164 ><DIV | |
165 CLASS="NAVFOOTER" | |
166 ><HR | |
167 ALIGN="LEFT" | |
168 WIDTH="100%"><TABLE | |
169 WIDTH="100%" | |
170 BORDER="0" | |
171 CELLPADDING="0" | |
172 CELLSPACING="0" | |
173 ><TR | |
174 ><TD | |
175 WIDTH="33%" | |
176 ALIGN="left" | |
177 VALIGN="top" | |
178 ><A | |
179 HREF="sdlmaprgba.html" | |
180 >Prev</A | |
181 ></TD | |
182 ><TD | |
183 WIDTH="34%" | |
184 ALIGN="center" | |
185 VALIGN="top" | |
186 ><A | |
187 HREF="index.html" | |
188 >Home</A | |
189 ></TD | |
190 ><TD | |
191 WIDTH="33%" | |
192 ALIGN="right" | |
193 VALIGN="top" | |
194 ><A | |
195 HREF="sdlgetrgba.html" | |
196 >Next</A | |
197 ></TD | |
198 ></TR | |
199 ><TR | |
200 ><TD | |
201 WIDTH="33%" | |
202 ALIGN="left" | |
203 VALIGN="top" | |
204 >SDL_MapRGBA</TD | |
205 ><TD | |
206 WIDTH="34%" | |
207 ALIGN="center" | |
208 VALIGN="top" | |
209 ><A | |
210 HREF="video.html" | |
211 >Up</A | |
212 ></TD | |
213 ><TD | |
214 WIDTH="33%" | |
215 ALIGN="right" | |
216 VALIGN="top" | |
217 >SDL_GetRGBA</TD | |
218 ></TR | |
219 ></TABLE | |
220 ></DIV | |
221 ></BODY | |
222 ></HTML | |
223 > |