From http://www.jwz.org/xscreensaver/xscreensaver-5.23.tar.gz

[xscreensaver] / hacks / glx / carousel.c

diff --git a/hacks/glx/carousel.c b/hacks/glx/carousel.c
index 49abc5814cb4ff786507ba09257dcaa5cdc6a5f9..3d6e22814fd3e666af3479f9cfe05c8da4dc7750 100644 (file)
--- a/hacks/glx/carousel.c
+++ b/hacks/glx/carousel.c
@@ -1,4 +1,4 @@
-/* carousel, Copyright (c) 2005-2012 Jamie Zawinski <jwz@jwz.org>
+/* carousel, Copyright (c) 2005-2013 Jamie Zawinski <jwz@jwz.org>
  * Loads a sequence of images and rotates them around.
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
@@ -532,6 +532,13 @@ loading_msg (ModeInfo *mi, int n)
       }
   }
 
+  if (MI_WIDTH(mi) < MI_HEIGHT(mi))  /* USE_IPHONE portrait orientation */
+    {
+      GLfloat s = (MI_WIDTH(mi) / (GLfloat) MI_HEIGHT(mi));
+      glScalef (s, s, s);
+      glTranslatef(-s/2, 0, 0);
+    }
+
   glOrtho(0, MI_WIDTH(mi), 0, MI_HEIGHT(mi), -1, 1);
   glTranslatef ((MI_WIDTH(mi)  - ss->loading_sw) / 2,
                 (MI_HEIGHT(mi) - ss->loading_sh) / 2,