msdoc old:programmieren:c
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2026-04-12T09:00:12+00:00
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old:programmieren:c:grafik
https://www.mtacs.de/doku.php?id=old:programmieren:c:grafik&rev=1673465388&do=diff
Grafik-Funtionsplotter
Programm 1
#include <stdio.h>
#include <unistd.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <math.h>
int main()
{
Display *dpy;
Window win;
if ((dpy = XOpenDisplay(NULL)) == NULL)
{
printf("Unable to open display\n");
return 1;
}
win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 400, 300, 0, 0, BlackPixel(dpy, DefaultScreen(dpy)));
XMapWindow(dpy, win);
GC gc;
gc = XCreateGC(dpy, win, 0, 0);
XSync(dpy, False);
XSetForegr…