Attachment 717 Details for Bug 1171 – program to reproduce

program to reproduce

poly-line.c (text/plain), 2.59 KB, created by Kristian Høgsberg on 2004-08-24 12:30:51 UTC

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Creator: Kristian Høgsberg

Created: 2004-08-24 12:30:51 UTC

Size: 2.59 KB

patch

obsolete

>#include <stdio.h>
>#include <stdlib.h>
>#include <unistd.h>
>#include <sys/time.h>
>#include <time.h>
>#include <X11/Xlib.h>
>#include <X11/keysym.h>
>
>#define ARRAY_LENGTH(a) (sizeof (a) / sizeof ((a)[0]))
>static const int width = 400;
>static const int height = 300;
>
>static void
>draw (Display *dpy, Drawable drawable, GC gc)
>{
>    XPoint points0[] = {
>        { -10,  20 },
>        {  20, -10 },
>        {  40,  20 },
>        {  60, -20 },
>    };
>
>    XPoint points1[] = {
>        { -2, 40 },
>        {  0, 42 },
>        {  2, 40 },
>        {  4, 42 },
>        {  6, 40 },
>    };
>
>    XPoint points2[] = {
>        { -2, 50 },
>        {  0, 52 },
>        {  2, 50 },
>        {  4, 52 },
>        {  6, 50 },
>    };
>
>    XDrawLines (dpy, drawable, gc,
>                points0, ARRAY_LENGTH (points0), CoordModeOrigin);
>    XDrawLines (dpy, drawable, gc,
>                points1, ARRAY_LENGTH (points1), CoordModeOrigin);
>    XDrawLines (dpy, drawable, gc,
>                points2, ARRAY_LENGTH (points2), CoordModeOrigin);
>}
>
>int 
>main (int argc, char **argv)
>{
>    Display *display;
>    Window win;
>    unsigned long event_mask;
>    GC gc;
>    Visual *visual;
>    Colormap cmap;
>    XEvent xev;
>    XGCValues gcv;
>    XSetWindowAttributes attributes;
>    int scr, depth;
>    const char *display_name;
>
>    display_name = getenv ("DISPLAY");
>    display = XOpenDisplay (display_name);
>    if (display == NULL) {
>        fprintf (stderr, "Failed to open display: %s\n", display_name);
>        return 1;
>    }
>
>    scr = DefaultScreen (display);
>    cmap = DefaultColormap (display, scr);
>    visual = DefaultVisual (display, scr);
>    depth = DefaultDepth (display, scr);
>
>    attributes.background_pixel = WhitePixel(display, scr);
>    win = XCreateWindow (display, RootWindow (display, scr),
>                         0, 0, width, height, 0, depth,
>                         InputOutput, visual,
>                         CWBackPixel, &attributes);
>
>    gcv.foreground = BlackPixel(display, scr);
>    gc = XCreateGC(display, win, GCForeground, &gcv);
>
>    event_mask = (KeyPressMask | StructureNotifyMask | ExposureMask);
>    XSelectInput (display, win, event_mask);
>
>    XMapWindow (display, win);
>
>    while (1) {
>        XNextEvent (display, &xev);
>
>        switch (xev.xany.type) {
>        case KeyPress:
>            if (XKeycodeToKeysym (display, xev.xkey.keycode, 0) == XK_q)
>                goto out;
>            break;
>
>        case ConfigureNotify:
>        case Expose:
>            draw (display, win, gc);
>            break;
>        }
>    }
>
> out:
>    XFreeGC (display, gc);
>    XDestroyWindow (display, win);
>    XCloseDisplay (display);
>
>    return 0;
>}

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Attachments on bug 1171: 716 | 717

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