X-Git-Url: http://git.tomasm.cz/imago.git/blobdiff_plain/f662aac90eb7fb03ddca08366b83f0fd063b9e86..ca969217d6512b175f6a63d36e3ac34c0e610d2f:/imago_pack/linef.py

diff --git a/imago_pack/linef.py b/imago_pack/linef.py
index 06483a3..b098257 100644
--- a/imago_pack/linef.py
+++ b/imago_pack/linef.py
@@ -13,23 +13,14 @@ except ImportError, msg:
 import filters
 from hough import Hough
 
-def find_lines(image, show_all, do_something, verbose):
-    """Find lines in the *image*."""
-    # TODO refactor into smaller functions
-
-    if verbose:
-        print >> sys.stderr, "preprocessing"
-
-    if show_all:
-        do_something(image, "original image")
-
+def prepare(image, show_all, do_something, verbose):
+    # TODO comment
     im_l = image.convert('L')
     if show_all:
         do_something(im_l, "ITU-R 601-2 luma transform")
 
     if verbose:
         print >> sys.stderr, "edge detection"
-
     im_edges = filters.edge_detection(im_l)
     if show_all:    
         do_something(im_edges, "edge detection")
@@ -37,7 +28,22 @@ def find_lines(image, show_all, do_something, verbose):
     im_h = filters.high_pass(im_edges, 100)
     if show_all:
         do_something(im_h, "high pass filters")
-    
+
+    return im_h
+ 
+
+def find_lines(image, show_all, do_something, verbose):
+    """Find lines in the *image*."""
+    # TODO refactor into smaller functions
+
+    if verbose:
+        print >> sys.stderr, "preprocessing"
+
+    if show_all:
+        do_something(image, "original image")
+
+    im_h = prepare(image, show_all, do_something, verbose)
+       
     if verbose:
         print >> sys.stderr, "hough transform"