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

[xscreensaver] / hacks / glx / molecule.c

diff --git a/hacks/glx/molecule.c b/hacks/glx/molecule.c
index cbc07b1aa037e4f6a92f889d2c269fa547148a22..4cc3d0849463a39e5e97879e3afd0d57f8c97766 100644 (file)
--- a/hacks/glx/molecule.c
+++ b/hacks/glx/molecule.c
@@ -1,4 +1,4 @@
-/* molecule, Copyright (c) 2001-2014 Jamie Zawinski <jwz@jwz.org>
+/* molecule, Copyright (c) 2001-2016 Jamie Zawinski <jwz@jwz.org>
  * Draws molecules, based on coordinates from PDB (Protein Data Base) files.
  *
  * Permission to use, copy, modify, distribute, and sell this software and its
@@ -31,6 +31,7 @@
        "*titleFont:  -*-helvetica-medium-r-normal-*-*-180-*-*-*-*-*-*\n" \
                        "*noLabelThreshold:    150    \n" \
                        "*wireframeThreshold:  150    \n" \
+                       "*suppressRotationAnimation: True\n" \
 
 # define refresh_molecule 0
 # define release_molecule 0
@@ -91,7 +92,7 @@ static const char * const builtin_pdb_data[] = {
 };
 
 
-#ifndef USE_IPHONE
+#ifndef HAVE_MOBILE
 # define LOAD_FILES
 #endif
 
@@ -479,9 +480,12 @@ draw_bounding_box (ModeInfo *mi)
 
   glColor3f (c2[0], c2[1], c2[2]);
   glBegin(GL_LINES);
-  if (x1 > 0) x1 = 0; if (x2 < 0) x2 = 0;
-  if (y1 > 0) y1 = 0; if (y2 < 0) y2 = 0;
-  if (z1 > 0) z1 = 0; if (z2 < 0) z2 = 0;
+  if (x1 > 0) x1 = 0;
+  if (x2 < 0) x2 = 0;
+  if (y1 > 0) y1 = 0;
+  if (y2 < 0) y2 = 0;
+  if (z1 > 0) z1 = 0;
+  if (z2 < 0) z2 = 0;
   glVertex3f(x1, 0,  0);  glVertex3f(x2, 0,  0); 
   glVertex3f(0 , y1, 0);  glVertex3f(0,  y2, 0); 
   glVertex3f(0,  0,  z1); glVertex3f(0,  0,  z2); 
@@ -1196,6 +1200,14 @@ reshape_molecule (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);
 }
 
@@ -1419,11 +1431,13 @@ draw_labels (ModeInfo *mi)
       {
         XCharStruct e;
         int w, h;
+        GLfloat s;
+
         texture_string_metrics (mc->atom_font, a->label, &e, 0, 0);
         w = e.width;
         h = e.ascent + e.descent;
 
-        GLfloat s = 1.0 / h;           /* Scale to unit */
+        s = 1.0 / h;                   /* Scale to unit */
         s *= mc->overall_scale;                /* Scale to size of atom */
         s *= 0.8;                      /* Shrink a bit */
         glScalef (s, s, 1);