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

[xscreensaver] / hacks / glx / antinspect.c

diff --git a/hacks/glx/antinspect.c b/hacks/glx/antinspect.c
index b4581e5695cfc5ea49a2f5bbd668b27fddec544f..a1ffadd569e3ec760deb17f0b855af657039b65b 100644 (file)
--- a/hacks/glx/antinspect.c
+++ b/hacks/glx/antinspect.c
@@ -25,7 +25,7 @@
 #include "xlock.h"
 #endif
 
-#ifdef HAVE_COCOA
+#ifdef HAVE_JWXYZ
 # include "jwxyz.h"
 #else
 # include <X11/Xlib.h>
@@ -655,13 +655,23 @@ ENTRYPOINT void draw_antinspect(ModeInfo * mi)
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
   glPushMatrix();
-  glRotatef(current_device_rotation(), 0, 0, 1);
 
   mi->polygon_count = 0;
 
   /* position camera --- this works well, we can peer inside 
      the antbubble */
   glTranslatef(0.0, 0.0, -10.0);
+
+# 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, 1/h, 1/h);
+    glRotatef(o, 0, 0, 1);
+  }
+# endif
+
   gltrackball_rotate(mp->trackball);
   glRotatef((15.0/2.0 + 15.0*sin(mp->ant_step/100.0)), 1.0, 0.0, 0.0);
   glRotatef(30.0, 1.0, 0.0, 0.0);