Function rip_exposed

win/X11/wintext.c:514–566

* RIP image expose callback. */ ARGSUSED*/

 */
/*ARGSUSED*/
static void
rip_exposed(Widget w, XtPointer client_data UNUSED,
            XtPointer widget_data) /* expose event from Window widget */
{
    XExposeEvent *event = (XExposeEvent *) widget_data;
    Display *dpy = XtDisplay(w);
    Arg args[8];
    XGCValues values;
    XtGCMask mask;
    GC ggc;
    static Pixmap rip_pixmap = None;
    int i, x, y;

    if (!XtIsRealized(w) || event->count > 0)
        return;

    if (rip_pixmap == None && rip_image) {
        rip_pixmap = XCreatePixmap(dpy, XtWindow(w), rip_image->width,
                                   rip_image->height,
                                   DefaultDepth(dpy, DefaultScreen(dpy)));
        XPutImage(dpy, rip_pixmap, DefaultGC(dpy, DefaultScreen(dpy)),
                  rip_image, 0, 0, 0, 0, /* src, dest top left */
                  rip_image->width, rip_image->height);
        XDestroyImage(rip_image); /* data bytes free'd also */
    }

    mask = GCFunction | GCForeground | GCGraphicsExposures | GCFont;
    values.graphics_exposures = False;
    XtSetArg(args[0], XtNforeground, &values.foreground);
    XtGetValues(w, args, 1);
    values.function = GXcopy;
    values.font = WindowFont(w);
    ggc = XtGetGC(w, mask, &values);

    if (rip_pixmap != None) {
        XCopyArea(dpy, rip_pixmap, XtWindow(w), ggc, event->x, event->y,
                  event->width, event->height, event->x, event->y);
    }

    x = appResources.tombtext_x;
    y = appResources.tombtext_y;
    for (i = 0; i <= YEAR_LINE; i++) {
        int len = strlen(rip_line[i]);
        XFontStruct *font = WindowFontStruct(w);
        int width = XTextWidth(font, rip_line[i], len);

        XDrawString(dpy, XtWindow(w), ggc, x - width / 2, y, rip_line[i], len);
        x += appResources.tombtext_dx;
        y += appResources.tombtext_dy;
    }

    XtReleaseGC(w, ggc);
}

/*
 * The ripout window creation routine.