From http://www.jwz.org/xscreensaver/xscreensaver-5.35.tar.gz

[xscreensaver] / hacks / glx / hilbert.c

diff --git a/hacks/glx/hilbert.c b/hacks/glx/hilbert.c
index 8374dec363d7eef2ff24caba4ff84f3a4e945520..fd0a1a2805e1937b7f5b9fd2ee9fe6c24f1b2fc7 100644 (file)
--- a/hacks/glx/hilbert.c
+++ b/hacks/glx/hilbert.c
@@ -18,7 +18,8 @@
                        "*count:        30          \n" \
                        "*showFPS:      False       \n" \
                        "*wireframe:    False       \n" \
-                       "*geometry:     800x800\n"
+                       "*geometry:     800x800\n" \
+                       "*suppressRotationAnimation: True\n" \
 
 # define refresh_hilbert 0
 # define release_hilbert 0
@@ -769,6 +770,14 @@ reshape_hilbert (ModeInfo *mi, int width, int height)
              0.0, 0.0, 0.0,
              0.0, 1.0, 0.0);
 
+# ifdef HAVE_MOBILE    /* Keep it the same relative size when rotated. */
+  {
+    int o = (int) current_device_rotation();
+    if (o != 0 && o != 180 && o != -180)
+      glScalef (1/h, 1/h, 1/h);
+  }
+# endif
+
   glClear(GL_COLOR_BUFFER_BIT);
 }