Mercurial > sdl-ios-xcode
annotate docs/html/guidecdromexamples.html @ 3097:0d12e8f1de3c
Date: Thu, 05 Feb 2009 18:07:35 +0100
From: Stefan Klug
Subject: [SDL] SDL 1.3 WinCE backend
as promised, I've started to work on the WinCE backend of SDL 1.3
I've modified the win32 video backend and the gdi renderer, to work
properly in WinCE.
The results till now are great, but there is still some work to do.
Attached are two patches with my changes.
I would be happy if someone could review and propably commit them.
The first one (configure.in.patch) should be straight forward without
any side effects.
The second one does the necessary changes to the win32 backend. I was
really unhappy to start slicing this shiny new backend with
#ifdef/#endif but I saw no other option.
The most problematic issues are:
- WinCe has no GetDIBits, so its practically impossible to fill a
BITMAPINFO with correct values. I therefore removed the bmi member from
the GDI_RenderData in SDL_gdirender.c to prevent usage of a not or not
properly initialized bmi.
- In SDL_win32window.c I exchanged some ASCII function by their general
counterparts, (In CE only the Unicode versions are available). I don't
know if this has a negative effect when running in win32
Cheers
Stefan
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 23 Mar 2009 05:35:21 +0000 |
| parents | 355632dca928 |
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| rev | line source |
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| 0 | 1 <HTML |
| 2 ><HEAD | |
| 3 ><TITLE | |
| 4 >CDROM Examples</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="Examples" | |
| 14 HREF="guideexamples.html"><LINK | |
| 15 REL="PREVIOUS" | |
| 16 TITLE="Audio Examples" | |
| 17 HREF="guideaudioexamples.html"><LINK | |
| 18 REL="NEXT" | |
| 19 TITLE="Time Examples" | |
| 20 HREF="guidetimeexamples.html"></HEAD | |
| 21 ><BODY | |
| 22 CLASS="SECT1" | |
| 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="guideaudioexamples.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 >Chapter 4. Examples</TD | |
| 57 ><TD | |
| 58 WIDTH="10%" | |
| 59 ALIGN="right" | |
| 60 VALIGN="bottom" | |
| 61 ><A | |
| 62 HREF="guidetimeexamples.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 ><DIV | |
| 72 CLASS="SECT1" | |
| 73 ><H1 | |
| 74 CLASS="SECT1" | |
| 75 ><A | |
| 76 NAME="GUIDECDROMEXAMPLES" | |
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77 ></A |
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78 >CDROM Examples</H1 |
| 0 | 79 ><P |
| 80 ></P | |
| 81 ><DIV | |
| 82 CLASS="SECT2" | |
| 83 ><H2 | |
| 84 CLASS="SECT2" | |
| 85 ><A | |
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86 NAME="AEN393" |
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87 ></A |
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88 >Listing CD-ROM drives</H2 |
| 0 | 89 ><P |
| 90 ><PRE | |
| 91 CLASS="PROGRAMLISTING" | |
| 92 > #include "SDL.h" | |
| 93 | |
| 94 /* Initialize SDL first */ | |
| 95 if ( SDL_Init(SDL_INIT_CDROM) < 0 ) { | |
| 96 fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError()); | |
| 97 exit(1); | |
| 98 } | |
| 99 atexit(SDL_Quit); | |
| 100 | |
| 101 /* Find out how many CD-ROM drives are connected to the system */ | |
| 102 printf("Drives available: %d\n", SDL_CDNumDrives()); | |
| 103 for ( i=0; i<SDL_CDNumDrives(); ++i ) { | |
| 104 printf("Drive %d: \"%s\"\n", i, SDL_CDName(i)); | |
| 105 }</PRE | |
| 106 ></P | |
| 107 ></DIV | |
| 108 ><DIV | |
| 109 CLASS="SECT2" | |
| 110 ><H2 | |
| 111 CLASS="SECT2" | |
| 112 ><A | |
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114 ></A |
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115 >Opening the default drive</H2 |
| 0 | 116 ><P |
| 117 ><PRE | |
| 118 CLASS="PROGRAMLISTING" | |
| 119 > SDL_CD *cdrom; | |
| 120 CDstatus status; | |
| 121 char *status_str; | |
| 122 | |
| 123 cdrom = SDL_CDOpen(0); | |
| 124 if ( cdrom == NULL ) { | |
| 125 fprintf(stderr, "Couldn't open default CD-ROM drive: %s\n", | |
| 126 SDL_GetError()); | |
| 127 exit(2); | |
| 128 } | |
| 129 | |
| 130 status = SDL_CDStatus(cdrom); | |
| 131 switch (status) { | |
| 132 case CD_TRAYEMPTY: | |
| 133 status_str = "tray empty"; | |
| 134 break; | |
| 135 case CD_STOPPED: | |
| 136 status_str = "stopped"; | |
| 137 break; | |
| 138 case CD_PLAYING: | |
| 139 status_str = "playing"; | |
| 140 break; | |
| 141 case CD_PAUSED: | |
| 142 status_str = "paused"; | |
| 143 break; | |
| 144 case CD_ERROR: | |
| 145 status_str = "error state"; | |
| 146 break; | |
| 147 } | |
| 148 printf("Drive status: %s\n", status_str); | |
| 149 if ( status >= CD_PLAYING ) { | |
| 150 int m, s, f; | |
| 151 FRAMES_TO_MSF(cdrom->cur_frame, &m, &s, &f); | |
| 152 printf("Currently playing track %d, %d:%2.2d\n", | |
| 153 cdrom->track[cdrom->cur_track].id, m, s); | |
| 154 }</PRE | |
| 155 ></P | |
| 156 ></DIV | |
| 157 ><DIV | |
| 158 CLASS="SECT2" | |
| 159 ><H2 | |
| 160 CLASS="SECT2" | |
| 161 ><A | |
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163 ></A |
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164 >Listing the tracks on a CD</H2 |
| 0 | 165 ><P |
| 166 ><PRE | |
| 167 CLASS="PROGRAMLISTING" | |
| 168 > SDL_CD *cdrom; /* Assuming this has already been set.. */ | |
| 169 int i; | |
| 170 int m, s, f; | |
| 171 | |
| 172 SDL_CDStatus(cdrom); | |
| 173 printf("Drive tracks: %d\n", cdrom->numtracks); | |
| 174 for ( i=0; i<cdrom->numtracks; ++i ) { | |
| 175 FRAMES_TO_MSF(cdrom->track[i].length, &m, &s, &f); | |
| 176 if ( f > 0 ) | |
| 177 ++s; | |
| 178 printf("\tTrack (index %d) %d: %d:%2.2d\n", i, | |
| 179 cdrom->track[i].id, m, s); | |
| 180 }</PRE | |
| 181 ></P | |
| 182 ></DIV | |
| 183 ><DIV | |
| 184 CLASS="SECT2" | |
| 185 ><H2 | |
| 186 CLASS="SECT2" | |
| 187 ><A | |
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189 ></A |
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190 >Play an entire CD</H2 |
| 0 | 191 ><P |
| 192 ><PRE | |
| 193 CLASS="PROGRAMLISTING" | |
| 194 > SDL_CD *cdrom; /* Assuming this has already been set.. */ | |
| 195 | |
| 196 // Play entire CD: | |
| 197 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
| 198 SDL_CDPlayTracks(cdrom, 0, 0, 0, 0); | |
| 199 | |
| 200 // Play last track: | |
| 201 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) { | |
| 202 SDL_CDPlayTracks(cdrom, cdrom->numtracks-1, 0, 0, 0); | |
| 203 } | |
| 204 | |
| 205 // Play first and second track and 10 seconds of third track: | |
| 206 if ( CD_INDRIVE(SDL_CDStatus(cdrom)) ) | |
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207 SDL_CDPlayTracks(cdrom, 0, 0, 2, CD_FPS * 10);</PRE |
| 0 | 208 ></P |
| 209 ></DIV | |
| 210 ></DIV | |
| 211 ><DIV | |
| 212 CLASS="NAVFOOTER" | |
| 213 ><HR | |
| 214 ALIGN="LEFT" | |
| 215 WIDTH="100%"><TABLE | |
|
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216 SUMMARY="Footer navigation table" |
| 0 | 217 WIDTH="100%" |
| 218 BORDER="0" | |
| 219 CELLPADDING="0" | |
| 220 CELLSPACING="0" | |
| 221 ><TR | |
| 222 ><TD | |
| 223 WIDTH="33%" | |
| 224 ALIGN="left" | |
| 225 VALIGN="top" | |
| 226 ><A | |
| 227 HREF="guideaudioexamples.html" | |
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228 ACCESSKEY="P" |
| 0 | 229 >Prev</A |
| 230 ></TD | |
| 231 ><TD | |
| 232 WIDTH="34%" | |
| 233 ALIGN="center" | |
| 234 VALIGN="top" | |
| 235 ><A | |
| 236 HREF="index.html" | |
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237 ACCESSKEY="H" |
| 0 | 238 >Home</A |
| 239 ></TD | |
| 240 ><TD | |
| 241 WIDTH="33%" | |
| 242 ALIGN="right" | |
| 243 VALIGN="top" | |
| 244 ><A | |
| 245 HREF="guidetimeexamples.html" | |
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246 ACCESSKEY="N" |
| 0 | 247 >Next</A |
| 248 ></TD | |
| 249 ></TR | |
| 250 ><TR | |
| 251 ><TD | |
| 252 WIDTH="33%" | |
| 253 ALIGN="left" | |
| 254 VALIGN="top" | |
| 255 >Audio Examples</TD | |
| 256 ><TD | |
| 257 WIDTH="34%" | |
| 258 ALIGN="center" | |
| 259 VALIGN="top" | |
| 260 ><A | |
| 261 HREF="guideexamples.html" | |
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262 ACCESSKEY="U" |
| 0 | 263 >Up</A |
| 264 ></TD | |
| 265 ><TD | |
| 266 WIDTH="33%" | |
| 267 ALIGN="right" | |
| 268 VALIGN="top" | |
| 269 >Time Examples</TD | |
| 270 ></TR | |
| 271 ></TABLE | |
| 272 ></DIV | |
| 273 ></BODY | |
| 274 ></HTML | |
| 275 > |