--- /dev/null
+#!/usr/bin/env python
+import sys
+import os
+from os.path import splitext, dirname
+from PIL import Image, ImageFilter, ImageEnhance, ImageOps
+
+
+def resize(image, max_width, max_height):
+ """Resize image so it's not wider than max_width and not higher than max_height."""
+ width, height = image.size
+ ratio = max(1.0, float(width) / max_width, float(height) / max_height)
+ new_width, new_height = int(width / ratio), int(height / ratio)
+ return image.resize((new_width, new_height), Image.ANTIALIAS)
+
+
+def crop(image, ratio, from_right=False):
+ """Crop image to ratio of current width."""
+ width, height = image.size
+ new_width = width * ratio
+ if from_right:
+ bounds = (int(width - new_width), 0, int(width), int(height))
+ else:
+ bounds = (0, 0, int(new_width), int(height))
+ image = image.crop(bounds)
+ image.load()
+ return image
+
+
+def ratio(image):
+ """Return width to height ratio of image."""
+ width, height = image.size
+ return float(width) / height
+
+
+for file_name in sys.argv[1:]:
+ try:
+ os.mkdir('output')
+ except:
+ pass
+ base_name, ext = splitext(file_name)
+ try:
+ image = Image.open(file_name)
+ except IOError, e:
+ sys.stderr.write('\nerror:%s:%s\n' % (file_name, e.message))
+ continue
+
+ # Check ratio
+ if ratio(image) > 1:
+ images = [crop(image, 0.5), crop(image, 0.5, True)]
+ else:
+ images = [image]
+
+ for i, image in enumerate(images):
+ image = image.filter(ImageFilter.SHARPEN)
+
+ image = image.filter(ImageFilter.MinFilter)
+ def convert(i):
+ if i > 48:
+ return 255
+ return i
+ image = image.point(convert)
+ image = ImageOps.autocontrast(image, cutoff=95)
+ image = image.convert('L')
+ image = image.filter(ImageFilter.SHARPEN)
+
+ # Save files
+ small_image = resize(image, 480, 720)
+ small_image_file_name = '%s.small.%d.png' % (base_name, i)
+ small_image.save(small_image_file_name, optimize=True, bits=6)
+ os.system('pngnq -n 8 -e .png -d output -f "%s"' % small_image_file_name)
+ os.remove(small_image_file_name)
+
+ big_image = resize(image, 960, 1440)
+ big_image_file_name = '%s.big.%d.png' % (base_name, i)
+ big_image.save(big_image_file_name, optimize=True, bits=6)
+ os.system('pngnq -n 8 -e .png -d output -f "%s"' % big_image_file_name)
+ os.remove(big_image_file_name)
+
+ sys.stderr.write('.')