poster/logo

scripts/poster.py

@@ -0,0 +1,235 @@
+#!/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 hashlib
+import Image
+import ImageDraw
+import json
+from optparse import OptionParser
+import ox
+from ox.image import drawText, getRGB, getTextSize, wrapText
+import subprocess
+import sys
+
+static_root = os.path.join(os.path.dirname(__file__), 'data')
+
+def get_frame(id, height, position):
+    cmd = [
+        os.path.join(root_dir, 'pandora', 'manage.py'), 'get_frame',
+        str(id), str(height), "%f" % (round(position * 25) / 25)
+    ]
+    p = subprocess.Popen(cmd, stdout=subprocess.PIPE)
+    output = p.communicate()
+    frame_path = output[0].strip()
+    if frame_path:
+        frame_image = Image.open(frame_path)
+        return frame_image
+
+def get_hue(collection, title):
+    return ox.getHSL(
+        [int(''.join(x), 16) for x in zip(
+            hashlib.sha1(collection).hexdigest()[:3],
+            hashlib.sha1(title).hexdigest()[:3]
+        )]
+    )[0]
+
+def render_poster(data, poster):
+
+    title = ox.decode_html(data.get('title', '')).upper()
+    director = ox.decode_html(u', '.join(data.get('director', []))).upper()
+    for key, value in {u'\u03a0': 'PI', u'ß': u'SS'}.iteritems():
+        title = title.replace(key, value)
+        director = director.replace(key, value)
+    year = str(data.get('year', ''))
+    collection = data.get('collection', '')
+    duration = data.get('duration')
+    oxdb_id = data['oxdbId']
+    id = data['id']
+    frame = data.get('frame')
+    timeline = data.get('timeline')
+
+    poster_size = (640, 1024)
+    frame_size = (640, 480)
+    frame_ratio = frame_size[0] / frame_size[1]
+    logo_size = (64, 32)
+    small_frames = 8
+    small_frame_size = (80, 64)
+    small_frame_ratio = small_frame_size[0] / small_frame_size[1]
+    timeline_size = (640, 32)
+    margin = 16
+    font_size_small = 32
+    font_size_large = 48
+    font_file = os.path.join(static_root, 'MontserratBold.ttf')
+    hue = int(oxdb_id[2:10], 16) / pow(2, 32) * 360
+    image_color = getRGB([hue, 1, 0.2])
+    background_color = getRGB([hue, 1, 0.4])
+    foreground_color = getRGB([hue, 1, 0.8])
+    poster_image = Image.new('RGB', poster_size)
+    draw = ImageDraw.Draw(poster_image)
+
+    # frame
+    if frame:
+        frame_image = Image.open(frame)
+        frame_image_ratio = frame_image.size[0] / frame_image.size[1]
+        if frame_ratio < frame_image_ratio:
+            frame_image = frame_image.resize((int(frame_size[1] * frame_image_ratio), frame_size[1]), Image.ANTIALIAS)
+            left = int((frame_image.size[0] - frame_size[0]) / 2)
+            frame_image = frame_image.crop((left, 0, left + frame_size[0], frame_size[1]))
+        else:
+            frame_image = frame_image.resize((frame_size[0], int(frame_size[0] / frame_image_ratio)), Image.ANTIALIAS)
+            top = int((frame_image.size[1] - frame_size[1]) / 2)
+            frame_image = frame_image.crop((0, top, frame_size[0], top + frame_size[1]))
+        poster_image.paste(frame_image, (0, 0))
+    else:
+        draw.rectangle(((0, 0), frame_size), fill=image_color)
+
+    # logo
+    logo_image = Image.open(os.path.join(static_root, 'logo.maydayrooms.png'))
+    logo_image = logo_image.resize(logo_size, Image.ANTIALIAS)
+    for y in range(logo_size[1]):
+        for x in range(logo_size[0]):
+            poster_color = poster_image.getpixel((margin + x, margin + y))
+            logo_lightness = logo_image.getpixel((x, y))[0] / 255
+            logo_alpha = logo_image.getpixel((x, y))[3] / 255
+            logo_color = getRGB([hue, 1, logo_lightness])
+            color = tuple([int(logo_color[i] * logo_alpha + poster_color[i] * (1 - logo_alpha)) for i in range(3)])
+            poster_image.putpixel((margin + x, margin + y), color)
+
+    # small frames
+    if duration:
+        for i in range(small_frames):
+            position = duration * (i + 1) / (small_frames + 1)
+            small_frame_image = get_frame(id, 96, round(position * 25) / 25)
+            if small_frame_image:
+                small_frame_image_ratio = small_frame_image.size[0] / small_frame_image.size[1]
+                if small_frame_ratio < small_frame_image_ratio:
+                    small_frame_image = small_frame_image.resize((int(small_frame_size[1] * small_frame_image_ratio), small_frame_size[1]), Image.ANTIALIAS)
+                    left = int((small_frame_image.size[0] - small_frame_size[0]) / 2)
+                    small_frame_image = small_frame_image.crop((left, 0, left + small_frame_size[0], small_frame_size[1]))
+                else:
+                    small_frame_image = small_frame_image.resize((small_frame_size[0], int(small_frame_size[0] / small_frame_image_ratio)), Image.ANTIALIAS)
+                    top = int((small_frame_image.size[1] - small_frame_size[1]) / 2)
+                    small_frame_image = small_frame_image.crop((0, top, small_frame_size[0], top + small_frame_size[1]))
+                poster_image.paste(small_frame_image, (i * small_frame_size[0], frame_size[1]))
+    else:
+        draw.rectangle(((0, frame_size[1]), (poster_size[0], frame_size[1] + small_frame_size[1])), fill=image_color)
+
+    # text
+    draw.rectangle(((0, frame_size[1] + small_frame_size[1]), (poster_size[0], poster_size[1] - timeline_size[1])), fill=background_color)
+    offset_top = frame_size[1] + small_frame_size[1] + margin - 8
+    text_height = poster_size[1] - frame_size[1] - small_frame_size[1] - 3 * margin - font_size_large - timeline_size[1]
+    if not director:
+        title_max_lines = int(text_height / font_size_large)
+    else:
+        title_max_lines = min(len(wrapText(
+            title,
+            poster_size[0] - 2 * margin,
+            0,
+            font_file,
+            font_size_large
+        )), int((text_height - margin - font_size_small - 8) / font_size_large))
+        director_max_lines = int((text_height - title_max_lines * font_size_large) / font_size_small)
+
+    # title
+    lines = wrapText(
+        title,
+        poster_size[0] - 2 * margin,
+        title_max_lines,
+        font_file,
+        font_size_large
+    )
+    for line in lines:
+        drawText(
+            poster_image,
+            (margin, offset_top),
+            line,
+            font_file,
+            font_size_large,
+            foreground_color
+        )
+        offset_top += font_size_large
+    offset_top += margin
+
+    # director
+    if director:
+        lines = wrapText(
+            director,
+            poster_size[0] - 2 * margin,
+            director_max_lines,
+            font_file,
+            font_size_small
+        )
+        for line in lines:
+            drawText(
+                poster_image,
+                (margin, offset_top),
+                line,
+                font_file,
+                font_size_small,
+                foreground_color
+            )
+            offset_top += font_size_small
+
+    # year
+    if year:
+        drawText(
+            poster_image,
+            (margin, poster_size[1] - timeline_size[1] - margin - font_size_large),
+            year,
+            font_file,
+            font_size_large,
+            foreground_color
+        )
+
+    # id
+    drawText(
+        poster_image,
+        (
+            poster_size[0] - margin - getTextSize(poster_image, id, font_file, font_size_small)[0],
+            poster_size[1] - timeline_size[1] - margin - font_size_small
+        ),
+        id,
+        font_file,
+        font_size_small,
+        foreground_color
+    )
+
+    # timeline
+    if timeline:
+        timeline_image = Image.open(timeline)
+        timeline_image = timeline_image.resize(timeline_size, Image.ANTIALIAS)
+        poster_image.paste(timeline_image, (0, poster_size[1] - timeline_size[1]))
+    else:
+        draw.rectangle(((0, poster_size[1] - timeline_size[1]), poster_size), fill=image_color)
+
+    poster_image.save(poster)
+
+def main():
+    parser = OptionParser()
+    parser.add_option('-d', '--data', dest='data', help='json file with metadata', default=None)
+    parser.add_option('-p', '--poster', dest='poster', help='Poster (image file to be written)')
+    (options, args) = parser.parse_args()
+
+    if None in (options.data, options.poster):
+        parser.print_help()
+        sys.exit()
+
+    if options.data == '-':
+        data = json.load(sys.stdin)
+    else:
+        with open(options.data) as f:
+            data = json.load(f)
+    render_poster(data, options.poster)
+
+if __name__ == "__main__":
+    main()
+