Mercurial > sdl-ios-xcode
annotate docs/html/sdllistmodes.html @ 3917:8a3a0f1179f3 SDL-1.2
Patched fbcon to compile on newer Linux kernels that don't #define PAGE_SIZE,
since a memory page's size may vary on various architectures and kernel
configurations.
Will use getpagesize() if it exists, the PAGE_SIZE #define from older kernels
if that doesn't, and #error out if that's not there either...but it's
probably 4096 in that case. We may revisit this.
Fixes Bugzilla #392.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Thu, 15 Feb 2007 23:50:45 +0000 |
| parents | 355632dca928 |
| children |
| rev | line source |
|---|---|
| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >SDL_ListModes</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_VideoDriverName" | |
| 17 HREF="sdlvideodrivername.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="SDL_VideoModeOK" | |
| 20 HREF="sdlvideomodeok.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="sdlvideodrivername.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="sdlvideomodeok.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="SDLLISTMODES" | |
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74 ></A |
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75 >SDL_ListModes</H1 |
| 0 | 76 ><DIV |
| 77 CLASS="REFNAMEDIV" | |
| 78 ><A | |
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79 NAME="AEN1159" |
| 0 | 80 ></A |
| 81 ><H2 | |
| 82 >Name</H2 | |
| 83 >SDL_ListModes -- Returns a pointer to an array of available screen dimensions for | |
| 84 the given format and video flags</DIV | |
| 85 ><DIV | |
| 86 CLASS="REFSYNOPSISDIV" | |
| 87 ><A | |
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88 NAME="AEN1162" |
| 0 | 89 ></A |
| 90 ><H2 | |
| 91 >Synopsis</H2 | |
| 92 ><DIV | |
| 93 CLASS="FUNCSYNOPSIS" | |
| 94 ><A | |
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95 NAME="AEN1163" |
| 0 | 96 ></A |
| 97 ><P | |
| 98 ></P | |
| 99 ><PRE | |
| 100 CLASS="FUNCSYNOPSISINFO" | |
| 101 >#include "SDL.h"</PRE | |
| 102 ><P | |
| 103 ><CODE | |
| 104 ><CODE | |
| 105 CLASS="FUNCDEF" | |
| 106 >SDL_Rect **<B | |
| 107 CLASS="FSFUNC" | |
| 108 >SDL_ListModes</B | |
| 109 ></CODE | |
| 110 >(SDL_PixelFormat *format, Uint32 flags);</CODE | |
| 111 ></P | |
| 112 ><P | |
| 113 ></P | |
| 114 ></DIV | |
| 115 ></DIV | |
| 116 ><DIV | |
| 117 CLASS="REFSECT1" | |
| 118 ><A | |
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119 NAME="AEN1169" |
| 0 | 120 ></A |
| 121 ><H2 | |
| 122 >Description</H2 | |
| 123 ><P | |
| 124 >Return a pointer to an array of available screen dimensions for the given | |
| 125 format and video flags, sorted largest to smallest. Returns | |
| 126 <TT | |
| 127 CLASS="LITERAL" | |
| 128 >NULL</TT | |
| 129 > if there are no dimensions available for a particular | |
| 130 format, or <SPAN | |
| 131 CLASS="RETURNVALUE" | |
| 132 >-1</SPAN | |
| 133 > if any dimension is okay for | |
| 134 the given format.</P | |
| 135 ><P | |
| 136 >If <TT | |
| 137 CLASS="PARAMETER" | |
| 138 ><I | |
| 139 >format</I | |
| 140 ></TT | |
| 141 > is <TT | |
| 142 CLASS="LITERAL" | |
| 143 >NULL</TT | |
| 144 >, the mode list | |
| 145 will be for the format returned by <A | |
| 146 HREF="sdlgetvideoinfo.html" | |
| 147 >SDL_GetVideoInfo()</A | |
| 148 >-><TT | |
| 149 CLASS="STRUCTFIELD" | |
| 150 ><I | |
| 151 >vfmt</I | |
| 152 ></TT | |
| 153 >. The <TT | |
| 154 CLASS="PARAMETER" | |
| 155 ><I | |
| 156 >flag</I | |
| 157 ></TT | |
| 158 > parameter is an OR'd combination of <A | |
| 159 HREF="sdlsurface.html" | |
| 160 >surface</A | |
| 161 > flags. The flags are the same as those used <A | |
| 162 HREF="sdlsetvideomode.html" | |
| 163 ><TT | |
| 164 CLASS="FUNCTION" | |
| 165 >SDL_SetVideoMode</TT | |
| 166 ></A | |
| 167 > and they play a strong role in deciding what modes are valid. For instance, if you pass <TT | |
| 168 CLASS="LITERAL" | |
| 169 >SDL_HWSURFACE</TT | |
| 170 > as a flag only modes that support hardware video surfaces will be returned.</P | |
| 171 ></DIV | |
| 172 ><DIV | |
| 173 CLASS="REFSECT1" | |
| 174 ><A | |
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175 NAME="AEN1184" |
| 0 | 176 ></A |
| 177 ><H2 | |
| 178 >Example</H2 | |
| 179 ><PRE | |
| 180 CLASS="PROGRAMLISTING" | |
| 181 >SDL_Rect **modes; | |
| 182 int i; | |
| 183 . | |
| 184 . | |
| 185 . | |
| 186 | |
| 187 /* Get available fullscreen/hardware modes */ | |
| 188 modes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE); | |
| 189 | |
| 190 /* Check is there are any modes available */ | |
| 191 if(modes == (SDL_Rect **)0){ | |
| 192 printf("No modes available!\n"); | |
| 193 exit(-1); | |
| 194 } | |
| 195 | |
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196 /* Check if our resolution is restricted */ |
| 0 | 197 if(modes == (SDL_Rect **)-1){ |
| 198 printf("All resolutions available.\n"); | |
| 199 } | |
| 200 else{ | |
| 201 /* Print valid modes */ | |
| 202 printf("Available Modes\n"); | |
| 203 for(i=0;modes[i];++i) | |
| 204 printf(" %d x %d\n", modes[i]->w, modes[i]->h); | |
| 205 } | |
| 206 . | |
| 207 .</PRE | |
| 208 ></DIV | |
| 209 ><DIV | |
| 210 CLASS="REFSECT1" | |
| 211 ><A | |
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212 NAME="AEN1187" |
| 0 | 213 ></A |
| 214 ><H2 | |
| 215 >See Also</H2 | |
| 216 ><P | |
| 217 ><A | |
| 218 HREF="sdlsetvideomode.html" | |
| 219 ><TT | |
| 220 CLASS="FUNCTION" | |
| 221 >SDL_SetVideoMode</TT | |
| 222 ></A | |
| 223 >, | |
| 224 <A | |
| 225 HREF="sdlgetvideoinfo.html" | |
| 226 ><TT | |
| 227 CLASS="FUNCTION" | |
| 228 >SDL_GetVideoInfo</TT | |
| 229 ></A | |
| 230 >, | |
| 231 <A | |
| 232 HREF="sdlrect.html" | |
| 233 ><SPAN | |
| 234 CLASS="STRUCTNAME" | |
| 235 >SDL_Rect</SPAN | |
| 236 ></A | |
| 237 >, | |
| 238 <A | |
| 239 HREF="sdlpixelformat.html" | |
| 240 ><SPAN | |
| 241 CLASS="STRUCTNAME" | |
| 242 >SDL_PixelFormat</SPAN | |
| 243 ></A | |
| 244 ></P | |
| 245 ></DIV | |
| 246 ><DIV | |
| 247 CLASS="NAVFOOTER" | |
| 248 ><HR | |
| 249 ALIGN="LEFT" | |
| 250 WIDTH="100%"><TABLE | |
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251 SUMMARY="Footer navigation table" |
| 0 | 252 WIDTH="100%" |
| 253 BORDER="0" | |
| 254 CELLPADDING="0" | |
| 255 CELLSPACING="0" | |
| 256 ><TR | |
| 257 ><TD | |
| 258 WIDTH="33%" | |
| 259 ALIGN="left" | |
| 260 VALIGN="top" | |
| 261 ><A | |
| 262 HREF="sdlvideodrivername.html" | |
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263 ACCESSKEY="P" |
| 0 | 264 >Prev</A |
| 265 ></TD | |
| 266 ><TD | |
| 267 WIDTH="34%" | |
| 268 ALIGN="center" | |
| 269 VALIGN="top" | |
| 270 ><A | |
| 271 HREF="index.html" | |
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272 ACCESSKEY="H" |
| 0 | 273 >Home</A |
| 274 ></TD | |
| 275 ><TD | |
| 276 WIDTH="33%" | |
| 277 ALIGN="right" | |
| 278 VALIGN="top" | |
| 279 ><A | |
| 280 HREF="sdlvideomodeok.html" | |
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281 ACCESSKEY="N" |
| 0 | 282 >Next</A |
| 283 ></TD | |
| 284 ></TR | |
| 285 ><TR | |
| 286 ><TD | |
| 287 WIDTH="33%" | |
| 288 ALIGN="left" | |
| 289 VALIGN="top" | |
| 290 >SDL_VideoDriverName</TD | |
| 291 ><TD | |
| 292 WIDTH="34%" | |
| 293 ALIGN="center" | |
| 294 VALIGN="top" | |
| 295 ><A | |
| 296 HREF="video.html" | |
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297 ACCESSKEY="U" |
| 0 | 298 >Up</A |
| 299 ></TD | |
| 300 ><TD | |
| 301 WIDTH="33%" | |
| 302 ALIGN="right" | |
| 303 VALIGN="top" | |
| 304 >SDL_VideoModeOK</TD | |
| 305 ></TR | |
| 306 ></TABLE | |
| 307 ></DIV | |
| 308 ></BODY | |
| 309 ></HTML | |
| 310 > |