Mercurial > sdl-ios-xcode
annotate docs/html/sdlvideomodeok.html @ 2648:6d705ec89fb6 gsoc2008_force_feedback
* Fixed autotools never properly detecting directinput.
author | Edgar Simo <bobbens@gmail.com> |
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date | Mon, 25 Aug 2008 09:51:02 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >SDL_VideoModeOK</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
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_ListModes" | |
17 HREF="sdllistmodes.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="SDL_SetVideoMode" | |
20 HREF="sdlsetvideomode.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 | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="sdllistmodes.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="sdlsetvideomode.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><H1 | |
72 ><A | |
73 NAME="SDLVIDEOMODEOK" | |
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74 ></A |
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75 >SDL_VideoModeOK</H1 |
0 | 76 ><DIV |
77 CLASS="REFNAMEDIV" | |
78 ><A | |
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79 NAME="AEN1202" |
0 | 80 ></A |
81 ><H2 | |
82 >Name</H2 | |
83 >SDL_VideoModeOK -- Check to see if a particular video mode is supported.</DIV | |
84 ><DIV | |
85 CLASS="REFSYNOPSISDIV" | |
86 ><A | |
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87 NAME="AEN1205" |
0 | 88 ></A |
89 ><H2 | |
90 >Synopsis</H2 | |
91 ><DIV | |
92 CLASS="FUNCSYNOPSIS" | |
93 ><A | |
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94 NAME="AEN1206" |
0 | 95 ></A |
96 ><P | |
97 ></P | |
98 ><PRE | |
99 CLASS="FUNCSYNOPSISINFO" | |
100 >#include "SDL.h"</PRE | |
101 ><P | |
102 ><CODE | |
103 ><CODE | |
104 CLASS="FUNCDEF" | |
105 >int <B | |
106 CLASS="FSFUNC" | |
107 >SDL_VideoModeOK</B | |
108 ></CODE | |
109 >(int width, int height, int bpp, Uint32 flags);</CODE | |
110 ></P | |
111 ><P | |
112 ></P | |
113 ></DIV | |
114 ></DIV | |
115 ><DIV | |
116 CLASS="REFSECT1" | |
117 ><A | |
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118 NAME="AEN1212" |
0 | 119 ></A |
120 ><H2 | |
121 >Description</H2 | |
122 ><P | |
123 ><TT | |
124 CLASS="FUNCTION" | |
125 >SDL_VideoModeOK</TT | |
126 > returns <SPAN | |
127 CLASS="RETURNVALUE" | |
128 >0</SPAN | |
129 > | |
130 if the requested mode is not supported under any bit depth, or returns the | |
131 bits-per-pixel of the closest available mode with the given width, height and requested <A | |
132 HREF="sdlsurface.html" | |
133 >surface</A | |
134 > flags (see <A | |
135 HREF="sdlsetvideomode.html" | |
136 ><TT | |
137 CLASS="FUNCTION" | |
138 >SDL_SetVideoMode</TT | |
139 ></A | |
140 >).</P | |
141 ><P | |
142 >The bits-per-pixel value returned is only a suggested mode. You can usually request and bpp you want when <A | |
143 HREF="sdlsetvideomode.html" | |
144 >setting</A | |
145 > the video mode and SDL will emulate that color depth with a shadow video surface.</P | |
146 ><P | |
147 >The arguments to <TT | |
148 CLASS="FUNCTION" | |
149 >SDL_VideoModeOK</TT | |
150 > are the same ones you | |
151 would pass to <A | |
152 HREF="sdlsetvideomode.html" | |
153 >SDL_SetVideoMode</A | |
154 ></P | |
155 ></DIV | |
156 ><DIV | |
157 CLASS="REFSECT1" | |
158 ><A | |
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159 NAME="AEN1225" |
0 | 160 ></A |
161 ><H2 | |
162 >Example</H2 | |
163 ><PRE | |
164 CLASS="PROGRAMLISTING" | |
165 >SDL_Surface *screen; | |
166 Uint32 bpp; | |
167 . | |
168 . | |
169 . | |
170 printf("Checking mode 640x480@16bpp.\n"); | |
171 bpp=SDL_VideoModeOK(640, 480, 16, SDL_HWSURFACE); | |
172 | |
173 if(!bpp){ | |
174 printf("Mode not available.\n"); | |
175 exit(-1); | |
176 } | |
177 | |
178 printf("SDL Recommends 640x480@%dbpp.\n", bpp); | |
179 screen=SDL_SetVideoMode(640, 480, bpp, SDL_HWSURFACE); | |
180 . | |
181 .</PRE | |
182 ></DIV | |
183 ><DIV | |
184 CLASS="REFSECT1" | |
185 ><A | |
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186 NAME="AEN1228" |
0 | 187 ></A |
188 ><H2 | |
189 >See Also</H2 | |
190 ><P | |
191 ><A | |
192 HREF="sdlsetvideomode.html" | |
193 ><TT | |
194 CLASS="FUNCTION" | |
195 >SDL_SetVideoMode</TT | |
196 ></A | |
197 >, | |
198 <A | |
199 HREF="sdlgetvideoinfo.html" | |
200 ><TT | |
201 CLASS="FUNCTION" | |
202 >SDL_GetVideoInfo</TT | |
203 ></A | |
204 ></P | |
205 ></DIV | |
206 ><DIV | |
207 CLASS="NAVFOOTER" | |
208 ><HR | |
209 ALIGN="LEFT" | |
210 WIDTH="100%"><TABLE | |
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211 SUMMARY="Footer navigation table" |
0 | 212 WIDTH="100%" |
213 BORDER="0" | |
214 CELLPADDING="0" | |
215 CELLSPACING="0" | |
216 ><TR | |
217 ><TD | |
218 WIDTH="33%" | |
219 ALIGN="left" | |
220 VALIGN="top" | |
221 ><A | |
222 HREF="sdllistmodes.html" | |
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223 ACCESSKEY="P" |
0 | 224 >Prev</A |
225 ></TD | |
226 ><TD | |
227 WIDTH="34%" | |
228 ALIGN="center" | |
229 VALIGN="top" | |
230 ><A | |
231 HREF="index.html" | |
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232 ACCESSKEY="H" |
0 | 233 >Home</A |
234 ></TD | |
235 ><TD | |
236 WIDTH="33%" | |
237 ALIGN="right" | |
238 VALIGN="top" | |
239 ><A | |
240 HREF="sdlsetvideomode.html" | |
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241 ACCESSKEY="N" |
0 | 242 >Next</A |
243 ></TD | |
244 ></TR | |
245 ><TR | |
246 ><TD | |
247 WIDTH="33%" | |
248 ALIGN="left" | |
249 VALIGN="top" | |
250 >SDL_ListModes</TD | |
251 ><TD | |
252 WIDTH="34%" | |
253 ALIGN="center" | |
254 VALIGN="top" | |
255 ><A | |
256 HREF="video.html" | |
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257 ACCESSKEY="U" |
0 | 258 >Up</A |
259 ></TD | |
260 ><TD | |
261 WIDTH="33%" | |
262 ALIGN="right" | |
263 VALIGN="top" | |
264 >SDL_SetVideoMode</TD | |
265 ></TR | |
266 ></TABLE | |
267 ></DIV | |
268 ></BODY | |
269 ></HTML | |
270 > |