Correcting the display resolution


 
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Special Forums UNIX Desktop Questions & Answers Correcting the display resolution
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Old 05-01-2011
Correcting the display resolution

I have an issue with the display resolution under Xfce. The monitor can handle 1024x768, but the screen display is 800x600. The control panel does not allow me to change this.
I also found the file .config/xfce4/xfconf/xfce-perchannel-xml/displays.xml in which I have made changes, but after a restart these changes get lost.
What makes this issue even stranger is that a previous installation of the exact same distribution (FreeBSD 8.1), did yield a resolution of 1024x768 from the start.

UPDATE: Something else that has puzzled me is why the refresh rate is at 61Hz, as opposed to a choice of 60Hz and 75Hz, with no option to change this.

Last edited by figaro; 05-01-2011 at 05:43 AM..
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get_desktop_resolution(3alleg4) 				  Allegro manual				   get_desktop_resolution(3alleg4)

NAME
get_desktop_resolution - Finds out the desktop resolution. Allegro game programming library. SYNOPSIS
#include <allegro.h> int get_desktop_resolution(int *width, int *height); DESCRIPTION
Finds out the currently selected desktop resolution. You can use this information to avoid creating windows bigger than the current resolu- tion. This is especially important for some windowed drivers which are unable to create windows bigger than the desktop. Each parameter is a pointer to an integer where one dimension of the screen will be stored. Under some OSes, switching to a full screen graphics mode may automatically change the desktop resolution. You have, therefore, to call this function before setting any graphics mode in order to retrieve the real desktop resolution. Example: int width, height; allegro_init(); ... if (get_desktop_resolution(&width, &height) == 0) { /* Got the resolution correctly */ } RETURN VALUE
Returns zero on success, or a negative number if this information is not available or does not apply, in which case the values stored in the variables you provided for `width' and `height' are undefined. SEE ALSO
desktop_color_depth(3alleg4), set_gfx_mode(3alleg4) Allegro version 4.4.2 get_desktop_resolution(3alleg4)

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