Mercurial > sdl-ios-xcode
view src/cdrom/SDL_syscdrom.h @ 1257:448a9a64537b
[PATCH] SDL_GetVideoMode() does not find best mode, part 2
Following commit 1.51, I come accross a problem when SDL must choose between
several video modes that could suit the one asked.
If I ask 320x240 with this list:
768x480 768x240 640x400 640x200 384x480 384x240 320x400 320x200
The smallest selectables modes are 384x240 and 320x400. And SDL choose the later
in this list, but 384x240 is more suitable. So I added a check to compare
the pixel count (surface) of modes, and select the one which has the smallest
pixel count.
In my example, 384x240 has 92160 pixels, and 320x400 has 128000 pixels. So now
SDL will choose 384x240 for the asked 320x240 mode.
author | Patrice Mandin <patmandin@gmail.com> |
---|---|
date | Thu, 19 Jan 2006 21:28:52 +0000 |
parents | b8d311d90021 |
children | c9b51268668f |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* This is the system specific header for the SDL CD-ROM API */ /* Structure of CD audio control functions */ extern struct CDcaps { /* Get the name of the specified drive */ const char *(*Name)(int drive); /* Open the specified drive, returning a drive id, or -1 on error */ int (*Open)(int drive); /* Get table-of-contents (number of tracks + track info) for disk. The TOC information should be stored in the cdrom structure. This function should return 0 on success, or -1 on error. */ int (*GetTOC)(SDL_CD *cdrom); /* Return the current status and play position, in frames, of the drive. 'position' may be NULL, and if so, should be ignored. */ CDstatus (*Status)(SDL_CD *cdrom, int *position); /* Play from frame 'start' to 'start+len' */ int (*Play)(SDL_CD *cdrom, int start, int len); /* Pause play */ int (*Pause)(SDL_CD *cdrom); /* Resume play */ int (*Resume)(SDL_CD *cdrom); /* Stop play */ int (*Stop)(SDL_CD *cdrom); /* Eject the current disk */ int (*Eject)(SDL_CD *cdrom); /* Close the specified drive */ void (*Close)(SDL_CD *cdrom); } SDL_CDcaps; /* The number of available CD-ROM drives on the system */ extern int SDL_numcds; /* Function to scan the system for CD-ROM drives and fill SDL_CDcaps. * This function should set SDL_numcds to the number of available CD * drives. Drive 0 should be the system default CD-ROM. * It should return 0, or -1 on an unrecoverable fatal error. */ extern int SDL_SYS_CDInit(void); /* Function to perform any system-specific CD-ROM related cleanup */ extern void SDL_SYS_CDQuit(void);