/ ************************************************************************ * * Purpose: Program extracts information from the X server and displays * it on the screen. * * Notes: Use the following command to compile. * * gcc hardware.c -lX11 * * Author: M.J. Leslie * * Date: 26-Mar-95 * ************************************************************************/ /****************** Includes ********************************************/ /* These are in /usr/X386 */ #include <X11/Xlib.h> #include <X11/Xutil.h> #include <X11/Xos.h> #include <stdio.h> main() { Display * display; int screen; char * display_name=NULL; Window root; Visual* visual; /* Connect to X display server. */ display=XOpenDisplay(display_name); /* Get screen ID */ screen=DefaultScreen(display); printf("\n\tInformation extracted from the X server\n"); printf("\t---------------------------------------\n\n"); printf(" X server by \'%s\'\n", ServerVendor(display)); printf(" X Server protocol %d\n", ProtocolVersion(display)); printf(" X server Release %d\n", VendorRelease(display)); printf(" Screen is %dmm high.\n", DisplayHeightMM(display, screen)); printf(" Screen is %dmm wide.\n", DisplayWidthMM(display, screen)); printf(" Screen is %d pixels high.\n", DisplayHeight(display, screen)); printf(" Screen is %d pixels wide.\n", DisplayWidth(display, screen)); visual = DefaultVisual(display,screen); printf(" %3d Colour map entries", visual->map_entries); printf(" (Number of colours on the screen at one time).\n"); printf(" %3d Display planes (bits per screen pixel).\n", DisplayPlanes(display, screen)); printf(" There is %d screen(s).\n", ScreenCount (display)); }
file: /Techref/language/ccpp/CREF/X_EXAMPLES/hardware.c, 1KB, , updated: 1997/5/21 13:07, local time: 2024/12/25 11:14,
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