[ocrfeeder] Remove unused class Slicer

[Joaquim Manuel Pereira Rocha <jrocha src gnome org>]

commit 1dfd892d16447007d15e124dd473148c465d35ed
Author: Joaquim Rocha <jrocha igalia com>
Date:   Fri Oct 21 22:35:30 2011 +0200

    Remove unused class Slicer

 src/ocrfeeder/feeder/imageManipulation.py |   21 ---------------------
 1 files changed, 0 insertions(+), 21 deletions(-)
---
diff --git a/src/ocrfeeder/feeder/imageManipulation.py b/src/ocrfeeder/feeder/imageManipulation.py
index a131899..c7f01ec 100644
--- a/src/ocrfeeder/feeder/imageManipulation.py
+++ b/src/ocrfeeder/feeder/imageManipulation.py
@@ -18,7 +18,6 @@
 #    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ###########################################################################
 
-import tempfile
 from ocrfeeder.util.lib import debug
 
 import gettext
@@ -202,26 +201,6 @@ class ImageProcessor:
 
         return margins
 
-class Slicer:
-
-    def __init__(self, original_image, temp_dir = '/tmp'):
-        self.original_image = original_image
-        self.temp_dir = temp_dir
-
-    def slice(self, bounding_box):
-        return self.original_image.crop(bounding_box)
-
-    def sliceFromPointsList(self, points_list):
-        if len(points_list) < 3:
-            raise InsuficientPointsForPolygon
-        bounding_box = graphics.getContainerRectangle(points_list)
-        return self.original_image.crop(bounding_box)
-
-    def sliceFromBlock(self, block, window_size):
-        cropped_image = self.slice(block.translateToUnits(window_size))
-        image_file = tempfile.mkstemp(dir = self.temp_dir)[1]
-        cropped_image.save(image_file, format = 'PNG')
-
 class ContentAnalyser:
 
     def __init__(self, image):