From http://www.jwz.org/xscreensaver/xscreensaver-5.30.tar.gz

[xscreensaver] / hacks / distort.c

diff --git a/hacks/distort.c b/hacks/distort.c
index 6903c8c7472c9096fe4aa37555d2e4686656f9ae..a4c7843ccdf90bac457ed342fd605fac9523dea7 100644 (file)
--- a/hacks/distort.c
+++ b/hacks/distort.c
@@ -105,17 +105,15 @@ static void generic_draw(struct state *st, XImage *, XImage *, int, int, int *);
 
 static void distort_finish_loading (struct state *);
 
-static void *
-distort_init (Display *dpy, Window window)
+static void
+distort_reset (struct state *st)
 {
-  struct state *st = (struct state *) calloc (1, sizeof(*st));
-       XGCValues gcv;
-       long gcflags;
-       int i;
     char *s;
+    int i;
 
-    st->dpy = dpy;
-    st->window = window;
+    st->start_time = 0;
+
+       XGetWindowAttributes (st->dpy, st->window, &st->xgwa);
 
        st->delay = get_integer_resource(st->dpy, "delay", "Integer");
     st->duration = get_integer_resource (st->dpy, "duration", "Seconds");
@@ -123,19 +121,15 @@ distort_init (Display *dpy, Window window)
        st->speed = get_integer_resource(st->dpy, "speed", "Integer");
        st->number = get_integer_resource(st->dpy, "number", "Integer");
 
-    if (st->delay < 0) st->delay = 0;
-    if (st->duration < 1) st->duration = 1;
-
-#ifdef HAVE_XSHM_EXTENSION
-       st->use_shm = get_boolean_resource(st->dpy, "useSHM", "Boolean");
-#endif /* HAVE_XSHM_EXTENSION */
-       
        st->blackhole = get_boolean_resource(st->dpy, "blackhole", "Boolean");
        st->vortex = get_boolean_resource(st->dpy, "vortex", "Boolean");
        st->magnify = get_boolean_resource(st->dpy, "magnify", "Boolean");
        st->reflect = get_boolean_resource(st->dpy, "reflect", "Boolean");
        st->slow = get_boolean_resource(st->dpy, "slow", "Boolean");
        
+    if (st->delay < 0) st->delay = 0;
+    if (st->duration < 1) st->duration = 1;
+
     st->effect = NULL;
     s = get_string_resource(st->dpy, "effect", "String");
        if (s && !strcasecmp(s,"swamp"))
@@ -147,8 +141,6 @@ distort_init (Display *dpy, Window window)
     else if (s && *s)
       fprintf(stderr,"%s: bogus effect: %s\n", progname, s);
 
-       XGetWindowAttributes (st->dpy, st->window, &st->xgwa);
-
        if (st->effect == NULL && st->radius == 0 && st->speed == 0 && st->number == 0
                && !st->blackhole && !st->vortex && !st->magnify && !st->reflect) {
 /* if no cmdline options are given, randomly choose one of:
@@ -268,6 +260,23 @@ distort_init (Display *dpy, Window window)
        }
        if (st->draw == NULL)
                st->draw = &plain_draw;
+}
+
+static void *
+distort_init (Display *dpy, Window window)
+{
+  struct state *st = (struct state *) calloc (1, sizeof(*st));
+       XGCValues gcv;
+       long gcflags;
+
+    st->dpy = dpy;
+    st->window = window;
+
+#ifdef HAVE_XSHM_EXTENSION
+       st->use_shm = get_boolean_resource(st->dpy, "useSHM", "Boolean");
+#endif /* HAVE_XSHM_EXTENSION */
+       
+    distort_reset (st);
 
        st->black_pixel = BlackPixelOfScreen( st->xgwa.screen );
 
@@ -791,6 +800,12 @@ distort_reshape (Display *dpy, Window window, void *closure,
 static Bool
 distort_event (Display *dpy, Window window, void *closure, XEvent *event)
 {
+  struct state *st = (struct state *) closure;
+  if (screenhack_event_helper (dpy, window, event))
+    {
+      distort_reset(st);
+      return True;
+    }
   return False;
 }
 
@@ -834,6 +849,7 @@ static const char *distort_defaults [] = {
 #endif /* HAVE_XSHM_EXTENSION */
 #ifdef USE_IPHONE
   "*ignoreRotation:     True",
+  "*rotateImages:       True",
 #endif
        0
 };