Mercurial > sdl-ios-xcode
annotate docs/html/sdllistmodes.html @ 340:b9f1ce709960
Fixed a minor memory leak in the SDL thread subsystem
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 11 Apr 2002 21:08:44 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| 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 1.64 |
| 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_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 | |
| 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="sdlvideodrivername.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="sdlvideomodeok.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="SDLLISTMODES" | |
| 71 >SDL_ListModes</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN776" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_ListModes -- Returns a pointer to an array of available screen dimensions for | |
| 81 the given format and video flags</DIV | |
| 82 ><DIV | |
| 83 CLASS="REFSYNOPSISDIV" | |
| 84 ><A | |
|
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85 NAME="AEN779" |
| 0 | 86 ></A |
| 87 ><H2 | |
| 88 >Synopsis</H2 | |
| 89 ><DIV | |
| 90 CLASS="FUNCSYNOPSIS" | |
| 91 ><A | |
|
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92 NAME="AEN780" |
| 0 | 93 ></A |
| 94 ><P | |
| 95 ></P | |
| 96 ><PRE | |
| 97 CLASS="FUNCSYNOPSISINFO" | |
| 98 >#include "SDL.h"</PRE | |
| 99 ><P | |
| 100 ><CODE | |
| 101 ><CODE | |
| 102 CLASS="FUNCDEF" | |
| 103 >SDL_Rect **<B | |
| 104 CLASS="FSFUNC" | |
| 105 >SDL_ListModes</B | |
| 106 ></CODE | |
| 107 >(SDL_PixelFormat *format, Uint32 flags);</CODE | |
| 108 ></P | |
| 109 ><P | |
| 110 ></P | |
| 111 ></DIV | |
| 112 ></DIV | |
| 113 ><DIV | |
| 114 CLASS="REFSECT1" | |
| 115 ><A | |
|
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116 NAME="AEN786" |
| 0 | 117 ></A |
| 118 ><H2 | |
| 119 >Description</H2 | |
| 120 ><P | |
| 121 >Return a pointer to an array of available screen dimensions for the given | |
| 122 format and video flags, sorted largest to smallest. Returns | |
| 123 <TT | |
| 124 CLASS="LITERAL" | |
| 125 >NULL</TT | |
| 126 > if there are no dimensions available for a particular | |
| 127 format, or <SPAN | |
| 128 CLASS="RETURNVALUE" | |
| 129 >-1</SPAN | |
| 130 > if any dimension is okay for | |
| 131 the given format.</P | |
| 132 ><P | |
| 133 >If <TT | |
| 134 CLASS="PARAMETER" | |
| 135 ><I | |
| 136 >format</I | |
| 137 ></TT | |
| 138 > is <TT | |
| 139 CLASS="LITERAL" | |
| 140 >NULL</TT | |
| 141 >, the mode list | |
| 142 will be for the format returned by <A | |
| 143 HREF="sdlgetvideoinfo.html" | |
| 144 >SDL_GetVideoInfo()</A | |
| 145 >-><TT | |
| 146 CLASS="STRUCTFIELD" | |
| 147 ><I | |
| 148 >vfmt</I | |
| 149 ></TT | |
| 150 >. The <TT | |
| 151 CLASS="PARAMETER" | |
| 152 ><I | |
| 153 >flag</I | |
| 154 ></TT | |
| 155 > parameter is an OR'd combination of <A | |
| 156 HREF="sdlsurface.html" | |
| 157 >surface</A | |
| 158 > flags. The flags are the same as those used <A | |
| 159 HREF="sdlsetvideomode.html" | |
| 160 ><TT | |
| 161 CLASS="FUNCTION" | |
| 162 >SDL_SetVideoMode</TT | |
| 163 ></A | |
| 164 > and they play a strong role in deciding what modes are valid. For instance, if you pass <TT | |
| 165 CLASS="LITERAL" | |
| 166 >SDL_HWSURFACE</TT | |
| 167 > as a flag only modes that support hardware video surfaces will be returned.</P | |
| 168 ></DIV | |
| 169 ><DIV | |
| 170 CLASS="REFSECT1" | |
| 171 ><A | |
|
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172 NAME="AEN801" |
| 0 | 173 ></A |
| 174 ><H2 | |
| 175 >Example</H2 | |
| 176 ><PRE | |
| 177 CLASS="PROGRAMLISTING" | |
| 178 >SDL_Rect **modes; | |
| 179 int i; | |
| 180 . | |
| 181 . | |
| 182 . | |
| 183 | |
| 184 /* Get available fullscreen/hardware modes */ | |
| 185 modes=SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE); | |
| 186 | |
| 187 /* Check is there are any modes available */ | |
| 188 if(modes == (SDL_Rect **)0){ | |
| 189 printf("No modes available!\n"); | |
| 190 exit(-1); | |
| 191 } | |
| 192 | |
| 193 /* Check if or resolution is restricted */ | |
| 194 if(modes == (SDL_Rect **)-1){ | |
| 195 printf("All resolutions available.\n"); | |
| 196 } | |
| 197 else{ | |
| 198 /* Print valid modes */ | |
| 199 printf("Available Modes\n"); | |
| 200 for(i=0;modes[i];++i) | |
| 201 printf(" %d x %d\n", modes[i]->w, modes[i]->h); | |
| 202 } | |
| 203 . | |
| 204 .</PRE | |
| 205 ></DIV | |
| 206 ><DIV | |
| 207 CLASS="REFSECT1" | |
| 208 ><A | |
|
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209 NAME="AEN804" |
| 0 | 210 ></A |
| 211 ><H2 | |
| 212 >See Also</H2 | |
| 213 ><P | |
| 214 ><A | |
| 215 HREF="sdlsetvideomode.html" | |
| 216 ><TT | |
| 217 CLASS="FUNCTION" | |
| 218 >SDL_SetVideoMode</TT | |
| 219 ></A | |
| 220 >, | |
| 221 <A | |
| 222 HREF="sdlgetvideoinfo.html" | |
| 223 ><TT | |
| 224 CLASS="FUNCTION" | |
| 225 >SDL_GetVideoInfo</TT | |
| 226 ></A | |
| 227 >, | |
| 228 <A | |
| 229 HREF="sdlrect.html" | |
| 230 ><SPAN | |
| 231 CLASS="STRUCTNAME" | |
| 232 >SDL_Rect</SPAN | |
| 233 ></A | |
| 234 >, | |
| 235 <A | |
| 236 HREF="sdlpixelformat.html" | |
| 237 ><SPAN | |
| 238 CLASS="STRUCTNAME" | |
| 239 >SDL_PixelFormat</SPAN | |
| 240 ></A | |
| 241 ></P | |
| 242 ></DIV | |
| 243 ><DIV | |
| 244 CLASS="NAVFOOTER" | |
| 245 ><HR | |
| 246 ALIGN="LEFT" | |
| 247 WIDTH="100%"><TABLE | |
| 248 WIDTH="100%" | |
| 249 BORDER="0" | |
| 250 CELLPADDING="0" | |
| 251 CELLSPACING="0" | |
| 252 ><TR | |
| 253 ><TD | |
| 254 WIDTH="33%" | |
| 255 ALIGN="left" | |
| 256 VALIGN="top" | |
| 257 ><A | |
| 258 HREF="sdlvideodrivername.html" | |
| 259 >Prev</A | |
| 260 ></TD | |
| 261 ><TD | |
| 262 WIDTH="34%" | |
| 263 ALIGN="center" | |
| 264 VALIGN="top" | |
| 265 ><A | |
| 266 HREF="index.html" | |
| 267 >Home</A | |
| 268 ></TD | |
| 269 ><TD | |
| 270 WIDTH="33%" | |
| 271 ALIGN="right" | |
| 272 VALIGN="top" | |
| 273 ><A | |
| 274 HREF="sdlvideomodeok.html" | |
| 275 >Next</A | |
| 276 ></TD | |
| 277 ></TR | |
| 278 ><TR | |
| 279 ><TD | |
| 280 WIDTH="33%" | |
| 281 ALIGN="left" | |
| 282 VALIGN="top" | |
| 283 >SDL_VideoDriverName</TD | |
| 284 ><TD | |
| 285 WIDTH="34%" | |
| 286 ALIGN="center" | |
| 287 VALIGN="top" | |
| 288 ><A | |
| 289 HREF="video.html" | |
| 290 >Up</A | |
| 291 ></TD | |
| 292 ><TD | |
| 293 WIDTH="33%" | |
| 294 ALIGN="right" | |
| 295 VALIGN="top" | |
| 296 >SDL_VideoModeOK</TD | |
| 297 ></TR | |
| 298 ></TABLE | |
| 299 ></DIV | |
| 300 ></BODY | |
| 301 ></HTML | |
| 302 > |