Mercurial > sdl-ios-xcode
annotate docs/html/sdlvideomodeok.html @ 693:6c119628180d
Date: Sat, 16 Aug 2003 16:22:56 +0300
From: "Mike Gorchak"
Subject: Package building for QNX6
I'm just completed the package description file for QNX6 - qpg, it is like a\
.spec files for Linux. Please place SDL.qpg.in file in the root of the proj\
ect, where .spec file is placed. And sdl12qpg.diff - just adding the SDL.qpg\
.in. The same for the SDL_image. I'm planning to add .qpg files creation for\
all SDL* projects.
As for shared library building for QNX6. It is very hard to improve the exis\
ting libtool code to support QNX shared libraries. Much easyiest is to remov\
e libtool.m4 code from the acinclude.m4 for those persons, who building shar\
ed libraries for QNX6. I'm described all what they need to do with .so under\
QNX6 in the README.QNX file. And 90% of people used the precompiled librari\
es, so I think it is not big problem :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 23 Aug 2003 23:25:46 +0000 |
| parents | e5bc29de3f0a |
| children | 355632dca928 |
| rev | line source |
|---|---|
| 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 1.64 |
| 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_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 | |
| 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="sdllistmodes.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="sdlsetvideomode.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="SDLVIDEOMODEOK" | |
| 71 >SDL_VideoModeOK</A | |
| 72 ></H1 | |
| 73 ><DIV | |
| 74 CLASS="REFNAMEDIV" | |
| 75 ><A | |
|
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76 NAME="AEN819" |
| 0 | 77 ></A |
| 78 ><H2 | |
| 79 >Name</H2 | |
| 80 >SDL_VideoModeOK -- Check to see if a particular video mode is supported.</DIV | |
| 81 ><DIV | |
| 82 CLASS="REFSYNOPSISDIV" | |
| 83 ><A | |
|
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84 NAME="AEN822" |
| 0 | 85 ></A |
| 86 ><H2 | |
| 87 >Synopsis</H2 | |
| 88 ><DIV | |
| 89 CLASS="FUNCSYNOPSIS" | |
| 90 ><A | |
|
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91 NAME="AEN823" |
| 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 >int <B | |
| 103 CLASS="FSFUNC" | |
| 104 >SDL_VideoModeOK</B | |
| 105 ></CODE | |
| 106 >(int width, int height, int bpp, Uint32 flags);</CODE | |
| 107 ></P | |
| 108 ><P | |
| 109 ></P | |
| 110 ></DIV | |
| 111 ></DIV | |
| 112 ><DIV | |
| 113 CLASS="REFSECT1" | |
| 114 ><A | |
|
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115 NAME="AEN829" |
| 0 | 116 ></A |
| 117 ><H2 | |
| 118 >Description</H2 | |
| 119 ><P | |
| 120 ><TT | |
| 121 CLASS="FUNCTION" | |
| 122 >SDL_VideoModeOK</TT | |
| 123 > returns <SPAN | |
| 124 CLASS="RETURNVALUE" | |
| 125 >0</SPAN | |
| 126 > | |
| 127 if the requested mode is not supported under any bit depth, or returns the | |
| 128 bits-per-pixel of the closest available mode with the given width, height and requested <A | |
| 129 HREF="sdlsurface.html" | |
| 130 >surface</A | |
| 131 > flags (see <A | |
| 132 HREF="sdlsetvideomode.html" | |
| 133 ><TT | |
| 134 CLASS="FUNCTION" | |
| 135 >SDL_SetVideoMode</TT | |
| 136 ></A | |
| 137 >).</P | |
| 138 ><P | |
| 139 >The bits-per-pixel value returned is only a suggested mode. You can usually request and bpp you want when <A | |
| 140 HREF="sdlsetvideomode.html" | |
| 141 >setting</A | |
| 142 > the video mode and SDL will emulate that color depth with a shadow video surface.</P | |
| 143 ><P | |
| 144 >The arguments to <TT | |
| 145 CLASS="FUNCTION" | |
| 146 >SDL_VideoModeOK</TT | |
| 147 > are the same ones you | |
| 148 would pass to <A | |
| 149 HREF="sdlsetvideomode.html" | |
| 150 >SDL_SetVideoMode</A | |
| 151 ></P | |
| 152 ></DIV | |
| 153 ><DIV | |
| 154 CLASS="REFSECT1" | |
| 155 ><A | |
|
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156 NAME="AEN842" |
| 0 | 157 ></A |
| 158 ><H2 | |
| 159 >Example</H2 | |
| 160 ><PRE | |
| 161 CLASS="PROGRAMLISTING" | |
| 162 >SDL_Surface *screen; | |
| 163 Uint32 bpp; | |
| 164 . | |
| 165 . | |
| 166 . | |
| 167 printf("Checking mode 640x480@16bpp.\n"); | |
| 168 bpp=SDL_VideoModeOK(640, 480, 16, SDL_HWSURFACE); | |
| 169 | |
| 170 if(!bpp){ | |
| 171 printf("Mode not available.\n"); | |
| 172 exit(-1); | |
| 173 } | |
| 174 | |
| 175 printf("SDL Recommends 640x480@%dbpp.\n", bpp); | |
| 176 screen=SDL_SetVideoMode(640, 480, bpp, SDL_HWSURFACE); | |
| 177 . | |
| 178 .</PRE | |
| 179 ></DIV | |
| 180 ><DIV | |
| 181 CLASS="REFSECT1" | |
| 182 ><A | |
|
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183 NAME="AEN845" |
| 0 | 184 ></A |
| 185 ><H2 | |
| 186 >See Also</H2 | |
| 187 ><P | |
| 188 ><A | |
| 189 HREF="sdlsetvideomode.html" | |
| 190 ><TT | |
| 191 CLASS="FUNCTION" | |
| 192 >SDL_SetVideoMode</TT | |
| 193 ></A | |
| 194 >, | |
| 195 <A | |
| 196 HREF="sdlgetvideoinfo.html" | |
| 197 ><TT | |
| 198 CLASS="FUNCTION" | |
| 199 >SDL_GetVideoInfo</TT | |
| 200 ></A | |
| 201 ></P | |
| 202 ></DIV | |
| 203 ><DIV | |
| 204 CLASS="NAVFOOTER" | |
| 205 ><HR | |
| 206 ALIGN="LEFT" | |
| 207 WIDTH="100%"><TABLE | |
| 208 WIDTH="100%" | |
| 209 BORDER="0" | |
| 210 CELLPADDING="0" | |
| 211 CELLSPACING="0" | |
| 212 ><TR | |
| 213 ><TD | |
| 214 WIDTH="33%" | |
| 215 ALIGN="left" | |
| 216 VALIGN="top" | |
| 217 ><A | |
| 218 HREF="sdllistmodes.html" | |
| 219 >Prev</A | |
| 220 ></TD | |
| 221 ><TD | |
| 222 WIDTH="34%" | |
| 223 ALIGN="center" | |
| 224 VALIGN="top" | |
| 225 ><A | |
| 226 HREF="index.html" | |
| 227 >Home</A | |
| 228 ></TD | |
| 229 ><TD | |
| 230 WIDTH="33%" | |
| 231 ALIGN="right" | |
| 232 VALIGN="top" | |
| 233 ><A | |
| 234 HREF="sdlsetvideomode.html" | |
| 235 >Next</A | |
| 236 ></TD | |
| 237 ></TR | |
| 238 ><TR | |
| 239 ><TD | |
| 240 WIDTH="33%" | |
| 241 ALIGN="left" | |
| 242 VALIGN="top" | |
| 243 >SDL_ListModes</TD | |
| 244 ><TD | |
| 245 WIDTH="34%" | |
| 246 ALIGN="center" | |
| 247 VALIGN="top" | |
| 248 ><A | |
| 249 HREF="video.html" | |
| 250 >Up</A | |
| 251 ></TD | |
| 252 ><TD | |
| 253 WIDTH="33%" | |
| 254 ALIGN="right" | |
| 255 VALIGN="top" | |
| 256 >SDL_SetVideoMode</TD | |
| 257 ></TR | |
| 258 ></TABLE | |
| 259 ></DIV | |
| 260 ></BODY | |
| 261 ></HTML | |
| 262 > |