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

[xscreensaver] / hacks / glx / morph3d.c

diff --git a/hacks/glx/morph3d.c b/hacks/glx/morph3d.c
index c1675aeb1ba8d41b4062c47bef926e229cab6b58..e96309acc5817fd2f1f3d2571e481a9f40dc9915 100644 (file)
--- a/hacks/glx/morph3d.c
+++ b/hacks/glx/morph3d.c
@@ -55,7 +55,9 @@ static const char sccsid[] = "@(#)morph3d.c   5.01 2001/03/01 xlockmore";
 # define MODE_moebius
 # define DEFAULTS              "*delay:                40000   \n"             \
                                                "*showFPS:      False   \n"             \
-                                               "*count:                0               \n"
+                                               "*count:                0               \n"             \
+                                               "*suppressRotationAnimation: True\n" \
+
 # define refresh_morph3d 0
 # define morph3d_handle_event 0
 # include "xlockmore.h"                /* from the xscreensaver distribution */
@@ -770,6 +772,15 @@ draw_morph3d(ModeInfo * mi)
                glScalef(Scale4Iconic * mp->WindH / mp->WindW, Scale4Iconic, Scale4Iconic);
        }
 
+# ifdef HAVE_MOBILE    /* Keep it the same relative size when rotated. */
+    {
+      GLfloat h = MI_HEIGHT(mi) / (GLfloat) MI_WIDTH(mi);
+      int o = (int) current_device_rotation();
+      if (o != 0 && o != 180 && o != -180)
+        glScalef (1/h, h, 1);
+    }
+# endif
+
        glRotatef(mp->step * 100, 1, 0, 0);
        glRotatef(mp->step * 95, 0, 1, 0);
        glRotatef(mp->step * 90, 0, 0, 1);