Mercurial > sdl-ios-xcode
annotate docs/man3/SDL_CDOpen.3 @ 821:30168104389f
Date: Sat, 14 Feb 2004 14:52:40 +0200
From: "Mike Gorchak"
Subject: Batch of the QNX6 fixes for the SDL
1. Updated readme.QNX
2. Fixed crashes during intensive window updating under fast machines (got over 200 rectangles for update).
3. Fixed double-buffered fullscreen modes, now it works as needed.
4. Fixed Photon detection algorithm.
5. Fixed HWSURFACE update function.
6. Added SDL_PHOTON_FULLSCREEN_REFRESH environment variable support for control refresh rates under Photon.
7. Added 640x400 fullscreen mode emulation via 640x480 (if videodriver not supports original 640x400 mode of course) shifted by 40 vertical pixels from begin, to center it. It's needed for some old DOS games which ran in doubled 320x200 mode.
8. Added available video ram amount support.
8. Added hardware surface allocation/deallocation support if current videomode and videodriver supports it.
9. Added hardware filling support.
10. Added hardware blits support (simple and colorkeyed).
And I've added to testvidinfo test color-keyed blits benchmark (maybe need to add alpha blits benchmark too ?). Currently Photon not supporting any alpha hardware blittings (all drivers lack of alpha blitting code support, only software alpha blitting exist in photon, which is hundreds times slowest than the SDL's one). So I've not added the alpha support. I suppose new QNX 6.3 will have the hardware alpha support, so when it will be done, I'll add alpha support.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 14 Feb 2004 20:22:21 +0000 |
| parents | e5bc29de3f0a |
| children | 546f7c1eb755 |
| rev | line source |
|---|---|
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
1 .TH "SDL_CDOpen" "3" "Tue 11 Sep 2001, 22:58" "SDL" "SDL API Reference" |
| 0 | 2 .SH "NAME" |
| 3 SDL_CDOpen\- Opens a CD-ROM drive for access\&. | |
| 4 .SH "SYNOPSIS" | |
| 5 .PP | |
| 6 \fB#include "SDL\&.h" | |
| 7 .sp | |
| 8 \fBSDL_CD *\fBSDL_CDOpen\fP\fR(\fBint drive\fR); | |
| 9 .SH "DESCRIPTION" | |
| 10 .PP | |
| 11 Opens a CD-ROM drive for access\&. It returns a \fI\fBSDL_CD\fR\fR structure on success, or \fBNULL\fP if the drive was invalid or busy\&. This newly opened CD-ROM becomes the default CD used when other CD functions are passed a \fBNULL\fP CD-ROM handle\&. | |
| 12 .PP | |
| 13 Drives are numbered starting with 0\&. Drive 0 is the system default CD-ROM\&. | |
| 14 .SH "EXAMPLES" | |
| 15 .PP | |
| 16 .nf | |
| 17 \f(CWSDL_CD *cdrom; | |
| 18 int cur_track; | |
| 19 int min, sec, frame; | |
| 20 SDL_Init(SDL_INIT_CDROM); | |
| 21 atexit(SDL_Quit); | |
| 22 | |
| 23 /* Check for CD drives */ | |
| 24 if(!SDL_CDNumDrives()){ | |
| 25 /* None found */ | |
| 26 fprintf(stderr, "No CDROM devices available | |
| 27 "); | |
| 28 exit(-1); | |
| 29 } | |
| 30 | |
| 31 /* Open the default drive */ | |
| 32 cdrom=SDL_CDOpen(0); | |
| 33 | |
| 34 /* Did if open? Check if cdrom is NULL */ | |
| 35 if(!cdrom){ | |
| 36 fprintf(stderr, "Couldn\&'t open drive: %s | |
| 37 ", SDL_GetError()); | |
| 38 exit(-1); | |
| 39 } | |
| 40 | |
| 41 /* Print Volume info */ | |
| 42 printf("Name: %s | |
| 43 ", SDL_CDName(0)); | |
| 44 printf("Tracks: %d | |
| 45 ", cdrom->numtracks); | |
| 46 for(cur_track=0;cur_track < cdrom->numtracks; cur_track++){ | |
| 47 FRAMES_TO_MSF(cdrom->track[cur_track]\&.length, &min, &sec, &frame); | |
| 48 printf(" Track %d: Length %d:%d | |
| 49 ", cur_track, min, sec); | |
| 50 } | |
| 51 | |
| 52 SDL_CDClose(cdrom);\fR | |
| 53 .fi | |
| 54 .PP | |
| 55 .SH "SEE ALSO" | |
| 56 .PP | |
| 57 \fI\fBSDL_CD\fR\fR, \fI\fBSDL_CDtrack\fR\fR, \fI\fBSDL_CDClose\fP\fR | |
|
181
e5bc29de3f0a
Updated from the SDL Documentation Project
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
58 ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:58 |