Code layout change.

[wolnelektury.git] / apps / picture / engine.py

diff --git a/apps/picture/engine.py b/apps/picture/engine.py
deleted file mode 100644 (file)
index 574e5a8..0000000
--- a/apps/picture/engine.py
+++ /dev/null
@@ -1,57 +0,0 @@
-from sorl.thumbnail.engines import pil_engine
-from sorl.thumbnail import parsers
-
-#
-# Class developed by 
-# http://timmyomahony.com/blog/custom-cropping-engine-sorl-thumbnail/
-#
-class CustomCroppingEngine(pil_engine.Engine):
-    """
-    A custom sorl.thumbnail engine (using PIL) that first crops an image
-    according to 4 pixel/percentage values in the source image, then scales
-    that crop down to the size specified in the geometry. This is in contrast
-    to sorl.thumbnails default engine which first scales the image down to the
-    specified geometry and applies the crop afterward.
-    """
-    def create(self, image, geometry, options):
-        image = self.orientation(image, geometry, options)
-        image = self.colorspace(image, geometry, options)
-        image = self.crop(image, geometry, options)
-        image = self.scale(image, geometry, options)
-        return image
-
-    def _crop_parse(self, crop, xy_image, xy_window):
-        """
-        Conver the crop string passed by the user to accurate cropping values
-        (This is adapter from the default sorl.thumbnail.parsers.parse_crop)
-        """
-        crops = crop.split(' ')
-        if len(crops) != 4:
-            raise parsers.ThumbnailParseError('Unrecognized crop option: %s' % crop)
-        x1, y1, x2, y2 = crops
-
-        def get_offset(crop, epsilon):
-            m = parsers.bgpos_pat.match(crop)
-            if not m:
-                raise parsers.ThumbnailParseError('Unrecognized crop option: %s' % crop)
-            value = int(m.group('value')) # we only take ints in the regexp
-            unit = m.group('unit')
-            if unit == '%':
-                value = epsilon * value / 100.0
-            return int(max(0, min(value, epsilon)))
-        x1 = get_offset(x1, xy_image[0])
-        y1 = get_offset(y1, xy_image[1])
-        x2 = get_offset(x2, xy_image[0])
-        y2 = get_offset(y2, xy_image[1])
-        return x1, y1, x2, y2
-
-    def crop(self, image, geometry, options):
-        crop = options['crop']
-        if not crop or crop == 'noop':
-            return image
-        x_image, y_image = self.get_image_size(image)
-        x1,y1,x2,y2 = self._crop_parse(crop, (x_image, y_image), geometry)
-        return self._crop(image, x1, y1, x2, y2)
-
-    def _crop(self, image, x1, y1, x2, y2):
-        return image.crop((x1, y1, x2, y2))