118 lines
4.2 KiB
Python
118 lines
4.2 KiB
Python
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'''
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Icon generator
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==============
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This tool will help you to generate all the icons wanted for Google Play Store,
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App Store, Amazon store.
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'''
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import sys
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from PIL import Image
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from os.path import exists, join, realpath, basename, dirname
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from os import makedirs
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from argparse import ArgumentParser
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class Converter(object):
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converters = {
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'appstore': {
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'directory_name': 'ios',
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'sizes': [
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('App store high resolution', '{}-appstore-1024.png', 1024),
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('App store normal resolution', '{}-appstore-512.png', 512),
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# iOS 7
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('iPhone (iOS 7)', '{}-60.png', 120),
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('iPhone @2 (iOS 7)', '{}-60@2x.png', 120),
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('iPad (iOS 7)', '{}-76.png', 76),
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('iPad @2 (iOS 7)', '{}-60@2x.png', 152),
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# iOS 6.1 and earlier
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('iPhone (iOS >= 6.1)', '{}-57.png', 57),
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('iPhone @2 (iOS >= 6.1)', '{}-57@2x.png', 114),
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('iPad (iOS >= 6.1)', '{}-72.png', 72),
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('iPad @2 (iOS >= 6.1)', '{}-72@2x.png', 114),
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# iTunes artwork (ad-hoc)
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('iTunes Artwork (ad-hoc)', 'iTunesArtwork', 512),
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('iTunes Artwork @2 (ad-hoc)', 'iTunesArtwork@2x', 1024),
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]},
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'playstore': {
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'directory_name': 'android',
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'sizes': [
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('Google Play icon', '{}-googleplay-512.png', 512),
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('Launcher icon MDPI', '{}-48.png', 48),
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('Launcher icon HDPI', '{}-72.png', 72),
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('Launcher icon XHDPI', '{}-96.png', 96),
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('Launcher icon XXHDPI', '{}-144.png', 48),
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('Launcher icon XXXHDPI', '{}-192.png', 192),
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]},
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'amazonstore': {
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'directory_name': 'amazon',
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'sizes': [
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('Small icon', '{}-114.png', 114),
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('Large icon', '{}-512.png', 512),
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]}}
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def run(self):
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parser = ArgumentParser(
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description='Generate icons for various stores')
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parser.add_argument('--dir', type=str, default=None,
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help=('Output directory to generate all the icons,'
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'defaults to the directory of the source icon'))
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parser.add_argument('--force', type=bool, default=False,
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help=('Generate all icons even if the source is not perfect.'))
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parser.add_argument('icon', type=str,
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help='Base icon (must be 1024x1024 or 512x512)')
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args = parser.parse_args()
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if not exists(args.icon):
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print('Error: No such icon file')
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sys.exit(1)
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# ensure the destination directory will be set
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if args.dir is None:
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args.dir = dirname(args.icon)
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# read the source image, and do some quality checks
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base_fn = basename(args.icon).rsplit('.', 1)[0]
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source = Image.open(args.icon)
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self.ensure_quality(source, args.force)
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for directory_name, sizeinfo in self.iterate():
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description, pattern_fn, size = sizeinfo
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print('Generate {}: {}x{}'.format(description, size, size))
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dest_dir = realpath(join(args.dir, directory_name))
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if not exists(dest_dir):
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makedirs(dest_dir)
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icon_fn = join(dest_dir, pattern_fn.format('Icon'))
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self.convert_to(source, icon_fn, size)
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def convert_to(self, source, icon_fn, size):
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dest = source.resize((size, size))
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dest.save(icon_fn, 'png')
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def ensure_quality(self, image, force=False):
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messages = []
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w, h = image.size
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if w != h:
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messages.append('Width and height should be the same')
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if w not in (512, 1024):
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messages.append(
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'Source image is recommended to be 1024 (512 minimum)')
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if not messages:
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return
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print('Quality check failed')
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for message in messages:
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print('- {}'.format(message))
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if not force:
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sys.exit(1)
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def iterate(self):
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for store, infos in Converter.converters.items():
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for size in infos['sizes']:
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yield infos['directory_name'], size
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if __name__ == '__main__':
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Converter().run()
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