Xfce not displaying with correct resolution


 
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Old 10-30-2010
Xfce not displaying with correct resolution

I have frequently installed xfce on both linux and freebsd machines, but something thathappens frequently is that the resolution of the display is not detected correctly. For instance on a 22 inch screen, the display is still 800x600 pixels. Similar things happen for 20 inch displays. The preferences options do not give me the choice to increase the resolution as a result of which the entire desktop looks far too much zoomed in, so to say. Where do I start to look to correct this?
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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)