Reduce the amount of file I/O and the number of image files we need

widgets/gogame.py

@@ -221,10 +221,23 @@ def _build_img_res():
     height = ret['bT'].get_height()
     triangle.composite(ret['bT'], 0, 0, width, height, 0, 0, 1, 1, gtk.gdk.INTERP_NEAREST, 255)
 
-    for d in ('u', 'd', 'l', 'r', 'm', 'dl', 'dr', 'ul', 'ur', 'h', 'w', 'b'):
+    base = _load_png('go_corner.png')
+    ret['ul'] = base
+    ret['dl'] = base.copy().rotate_simple(90)
+    ret['dr'] = base.copy().rotate_simple(180)
+    ret['ur'] = base.copy().rotate_simple(270)
+
+    base = _load_png('go_edge.png')
+    ret['u'] = base
+    ret['l'] = base.copy().rotate_simple(90)
+    ret['d'] = base.copy().rotate_simple(180)
+    ret['r'] = base.copy().rotate_simple(270)
+
+    for d in ('m', 'h', 'w', 'b'):
         ret[d] = _load_png('go_' + d + '.png')
 
-        ret[d + 'C'] = _load_png('go_' + d + '.png')
+    for d in ('u', 'd', 'l', 'r', 'm', 'dl', 'dr', 'ul', 'ur', 'h', 'w', 'b'):
+        ret[d + 'C'] = ret[d].copy()
         width = ret[d + 'C'].get_width()
         height = ret[d + 'C'].get_height()
         circle.composite(ret[d + 'C'], 0, 0, width, height, 0, 0, 1, 1, gtk.gdk.INTERP_NEAREST, 255)
@@ -237,30 +250,4 @@ def _load_png(name):
     fullname = os.path.join('ui/res/', name)
     image = gtk.gdk.pixbuf_new_from_file(fullname)
 
-    # if alpha is not None:
-    #     image = _set_alpha(image, alpha)
-
     return image
-
-
-# _trans_png = None
-
-# def _set_alpha(image, alpha):
-#      """
-#      change_opacity - changes the opacity of pixbuf by combining
-#      the pixbuf with a pixbuf derived from a transparent .png
-
-#      returns: a pixbuf of image made alpha more composite
-#      """
-     
-#      global _trans_png
-
-#      if _trans_png == None:
-#          _trans_png = _load_png('transparent.png')
-
-#      width = image.get_width()
-#      height = image.get_height()
-
-#      trans= _trans_png.scale_simple(width,height,gtk.gdk.INTERP_NEAREST)
-#      trans.composite(image, 0, 0, width, height, 0, 0, 1, 1, gtk.gdk.INTERP_NEAREST, alpha)
-#      return trans