update README, move scripts to toplevel

scripts/item_icon

@@ -0,0 +1,67 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# vi:si:et:sw=4:sts=4:ts=4
+from __future__ import division
+import os
+
+root_dir = os.path.normpath(os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
+
+#using virtualenv's activate_this.py to reorder sys.path
+activate_this = os.path.join(root_dir, 'bin', 'activate_this.py')
+execfile(activate_this, dict(__file__=activate_this))
+
+import Image
+from optparse import OptionParser
+import sys
+
+
+static_root = os.path.join(os.path.dirname(__file__), 'data')
+
+def render_icon(frame, timeline, icon):
+    icon_width = 1024
+    icon_height = 1024
+    icon_image = Image.new('RGBA', (icon_width, icon_height), (0, 0, 0, 0))
+    frame_width = icon_width
+    frame_ratio = 1
+    frame_height = int(round(frame_width / frame_ratio))
+    frame_image = Image.open(frame) if frame else Image.new('RGB', (1024, 768), (0, 0, 0))
+    frame_image_ratio = frame_image.size[0] / frame_image.size[1]
+    if frame_ratio < frame_image_ratio:
+        frame_image = frame_image.resize((int(frame_height * frame_image_ratio), frame_height), Image.ANTIALIAS)
+        left = int((frame_image.size[0] - frame_width) / 2)
+        frame_image = frame_image.crop((left, 0, left + frame_width, frame_height))
+    else:
+        frame_image = frame_image.resize((frame_width, int(frame_width / frame_image_ratio)), Image.ANTIALIAS)
+        top = int((frame_image.size[1] - frame_height) / 2)
+        frame_image = frame_image.crop((0, top, frame_width, top + frame_height))
+    icon_image.paste(frame_image, (0, 0))
+    timeline_left = 64
+    timeline_top = 832
+    timeline_width = 896
+    timeline_height = 128
+    timeline_image = Image.new('RGB', (timeline_width + 8, timeline_height + 8), (255, 255, 255))
+    mask_image = Image.open(os.path.join(static_root, 'iconTimelineOuterMask.png'))
+    icon_image.paste(timeline_image, (timeline_left - 4, timeline_top - 4), mask=mask_image)
+    timeline_image = Image.open(timeline) if timeline else Image.new('RGB', (timeline_width, timeline_height), (0, 0, 0))
+    timeline_image = timeline_image.resize((timeline_width, timeline_height), Image.ANTIALIAS)
+    mask_image = Image.open(os.path.join(static_root, 'iconTimelineInnerMask.png'))
+    icon_image.paste(timeline_image, (timeline_left, timeline_top), mask=mask_image)
+    # we're using jpegs with border-radius
+    # mask_image = Image.open(os.path.join(static_root, 'iconMask.png'))
+    # icon_image.putalpha(mask_image)
+    icon_image.save(icon)
+
+def main():
+    parser = OptionParser()
+    parser.add_option('-f', '--frame', dest='frame', help='Poster frame (image file to be read)')
+    parser.add_option('-l', '--timeline', dest='timeline', help='Timeline (image file to be read)')
+    parser.add_option('-i', '--icon', dest='icon', help='Icon (image file to be written)')
+    (options, args) = parser.parse_args()
+    if options.icon == None:
+        parser.print_help()
+        sys.exit()
+    render_icon(options.frame, options.timeline, options.icon)
+
+if __name__ == "__main__":
+    main()
+