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

[xscreensaver] / hacks / substrate.c

diff --git a/hacks/substrate.c b/hacks/substrate.c
index 82c2bacd483b58c68703919e4aa047624a7b138b..efe11fc55762e117b8fad1768f208aa8be4fc208 100644 (file)
--- a/hacks/substrate.c
+++ b/hacks/substrate.c
@@ -318,7 +318,6 @@ static inline unsigned long rgb2point(int depth, int r, int g, int b)
 
     switch(depth) {
         case 32:
-            ret = 0xff000000;
         case 24:
 #ifdef HAVE_COCOA
             /* This program idiotically does not go through a color map, so
@@ -494,16 +493,11 @@ movedrawcrack(struct state *st, GC fgc, struct field *f, int cracknum)
         cr->y += ((float) STEP * sin(cr->t * M_PI/180));
     }
     else {
-        float oldx, oldy;
-
-        oldx = cr->x;
-        oldy = cr->y;
-
         cr->x += ((float) cr->ys * cos(cr->t * M_PI/180));
         cr->y += ((float) cr->ys * sin(cr->t * M_PI/180));
 
         cr->x += ((float) cr->xs * cos(cr->t * M_PI/180 - M_PI / 2));
-        cr->x += ((float) cr->xs * sin(cr->t * M_PI/180 - M_PI / 2));
+        cr->y += ((float) cr->xs * sin(cr->t * M_PI/180 - M_PI / 2));
 
         cr->t += cr->t_inc;
         cr->degrees_drawn += abs(cr->t_inc);
@@ -691,6 +685,7 @@ substrate_draw (Display *dpy, Window window, void *closure)
     XSetForeground(st->dpy, st->fgc, st->gcv.foreground);
   }
 
+  /* #### mi->recursion_depth = st->f->cycles; */
   return st->growth_delay;
 }
 
@@ -704,6 +699,12 @@ substrate_reshape (Display *dpy, Window window, void *closure,
 static Bool
 substrate_event (Display *dpy, Window window, void *closure, XEvent *event)
 {
+  struct state *st = (struct state *) closure;
+  if (screenhack_event_helper (dpy, window, event))
+    {
+      st->f->cycles = st->max_cycles;
+      return True;
+    }
   return False;
 }
 
@@ -725,6 +726,9 @@ static const char *substrate_defaults[] = {
     "*maxCracks: 100",
     "*sandGrains: 64",
     "*circlePercent: 33",
+#ifdef USE_IPHONE
+  "*ignoreRotation: True",
+#endif
     0
 };