From http://www.jwz.org/xscreensaver/xscreensaver-5.22.tar.gz

[xscreensaver] / hacks / popsquares.c

diff --git a/hacks/popsquares.c b/hacks/popsquares.c
index 6c26165f6dc4cc6fdad76194c421b8d4e225c9fa..55d3db175e808e3e44577ccd90a123f006159770 100644 (file)
--- a/hacks/popsquares.c
+++ b/hacks/popsquares.c
@@ -83,8 +83,8 @@ popsquares_init (Display *dpy, Window window)
 
   st->sw = st->xgwa.width / st->subdivision;
   st->sh = st->xgwa.height / st->subdivision;
-  st->gw = st->xgwa.width / st->sw;
-  st->gh = st->xgwa.height / st->sh;
+  st->gw = st->sw ? st->xgwa.width / st->sw : 0;
+  st->gh = st->sh ? st->xgwa.height / st->sh : 0;
   st->nsquares = st->gw * st->gh;
 
   gcv.foreground = fg.pixel;
@@ -96,7 +96,7 @@ popsquares_init (Display *dpy, Window window)
 
   rgb_to_hsv (fg.red, fg.green, fg.blue, &h1, &s1, &v1);
   rgb_to_hsv (bg.red, bg.green, bg.blue, &h2, &s2, &v2);
-  make_color_ramp (st->dpy, st->xgwa.colormap,
+  make_color_ramp (st->xgwa.screen, st->xgwa.visual, st->xgwa.colormap,
                    h1, s1, v1,
                    h2, s2, v2,
                    st->colors, &st->ncolors,  /* would this be considered a value-result argument? */
@@ -187,6 +187,36 @@ static void
 popsquares_reshape (Display *dpy, Window window, void *closure, 
                  unsigned int w, unsigned int h)
 {
+  struct state *st = (struct state *) closure;
+  int x, y;
+  XGetWindowAttributes (st->dpy, st->window, &st->xgwa);
+  st->sw = st->xgwa.width / st->subdivision;
+  st->sh = st->xgwa.height / st->subdivision;
+  st->gw = st->sw ? st->xgwa.width / st->sw : 0;
+  st->gh = st->sh ? st->xgwa.height / st->sh : 0;
+  st->nsquares = st->gw * st->gh;
+  free (st->squares);
+  st->squares = (square *) calloc (st->nsquares, sizeof(square));
+
+  for (y = 0; y < st->gh; y++)
+    for (x = 0; x < st->gw; x++) 
+      {
+        square *s = (square *) &st->squares[st->gw * y + x];
+        s->w = st->sw;
+        s->h = st->sh;
+        s->x = x * st->sw;
+        s->y = y * st->sh;
+      }
+
+  randomize_square_colors(st->squares, st->nsquares, st->ncolors);
+
+  if (st->dbuf) {
+    XFreePixmap (dpy, st->ba);
+    XFreePixmap (dpy, st->bb);
+    st->ba = XCreatePixmap (st->dpy, st->window, st->xgwa.width, st->xgwa.height, st->xgwa.depth);
+    st->bb = XCreatePixmap (st->dpy, st->window, st->xgwa.width, st->xgwa.height, st->xgwa.depth);
+    st->b = st->ba;
+  }
 }
 
 static Bool
@@ -216,6 +246,9 @@ static const char *popsquares_defaults [] = {
   "*useDBE: True",
   "*useDBEClear: True",
 #endif /* HAVE_DOUBLE_BUFFER_EXTENSION */
+#ifdef USE_IPHONE
+  "*ignoreRotation: True",
+#endif
   0
 };