simplify preserve_orientation code

remove unneeded parameter

hyde/ext/plugins/images.py

@@ -157,24 +157,14 @@ def scale_aspect(a, b1, b2):
   return int(ceil(a * b2 / float(b1)))
 
 
-def thumb_scale_size(orig_width, orig_height, dim1, dim2, preserve_orientation=False):
+def thumb_scale_size(orig_width, orig_height, width, height):
     """
-    Determine thumbnail size
+    Determine size to scale to scale for thumbnailst Params
 
     Params:
       orig_width, orig_height: original image dimensions
-      dim1, dim2: thumbnail dimensions
-      preserve_orientatin: whether to preserve original image's orientation
-
-    If `preserve_orientation` is True and the original image is portrait, then
-    dim1 corresponds to the height and dim2 corresponds to the width
-    Otherwise, dim1 is width and dim2 is height.
+      width, height: thumbnail dimensions
     """
-    if preserve_orientation and orig_height > orig_width:
-        width, height = dim2, dim1
-    else:
-        width, height = dim1, dim2
-
     if width is None:
         width = scale_aspect(orig_width, orig_height, height)
     elif height is None:
@@ -256,11 +246,11 @@ class ImageThumbnailsPlugin(Plugin):
         if im.mode != 'RGBA':
             im = im.convert('RGBA')
 
-        resize_width, resize_height = thumb_scale_size(im.size[0], im.size[1], width, height, preserve_orientation)
-
         if preserve_orientation and im.size[1] > im.size[0]:
           width, height = height, width
 
+        resize_width, resize_height = thumb_scale_size(im.size[0], im.size[1], width, height)
+
         self.logger.debug("Resize to: %d,%d" % (resize_width, resize_height))
         im = im.resize((resize_width, resize_height), Image.ANTIALIAS)
         if width is not None and height is not None:

hyde/tests/ext/test_images.py

@@ -181,42 +181,6 @@ class TestImageThumbSize(object):
         assert nw == 100
         assert nh == 50
 
-    def test_larger_only_portrait(self):
-        ow, oh = 100, 200
-        nw, nh = thumb_scale_size(ow, oh, 50, None, True)
-        assert nw == 25
-        assert nh == 50
-
-    def test_larger_only_landscape(self):
-        ow, oh = 200, 100
-        nw, nh = thumb_scale_size(ow, oh, 50, None, True)
-        assert nw == 50
-        assert nh == 25
-
-    def test_smaller_only_portrait(self):
-        ow, oh = 100, 200
-        nw, nh = thumb_scale_size(ow, oh, None, 50, True)
-        assert nw == 50
-        assert nh == 100
-
-    def test_smaller_only_landscape(self):
-        ow, oh = 200, 100
-        nw, nh = thumb_scale_size(ow, oh, None, 50, True)
-        assert nw == 100
-        assert nh == 50
-
-    def test_larger_and_smaller_portrait(self):
-        ow, oh = 100, 200
-        nw, nh = thumb_scale_size(ow, oh, 100, 50, True)
-        assert nw == 50
-        assert nh == 100
-
-    def test_larger_and_smaller_landscape(self):
-        ow, oh = 200, 100
-        nw, nh = thumb_scale_size(ow, oh, 100, 50, True)
-        assert nw == 100
-        assert nh == 50
-
 class TestImageThumbnails(object):
 
     def setUp(self):