Merge pull request #144 from dougfelt/thumb_crop
Crop emoji images to square before scaling.pull/149/head
commit
8692845322
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@ -36,12 +36,19 @@ from nototools import unicode_data
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logger = logging.getLogger('emoji_thumbnails')
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logger = logging.getLogger('emoji_thumbnails')
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def create_thumbnail(src_path, dst_path):
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def create_thumbnail(src_path, dst_path, crop):
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# uses imagemagik
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# Uses imagemagik
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# we need images exactly 72x72 in size, with transparent background
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# We need images exactly 72x72 in size, with transparent background.
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subprocess.check_call([
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# Remove 4-pixel LR margins from 136x128 source images if we crop.
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if crop:
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cmd = [
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'convert', src_path, '-crop', '128x128+4+0!', '-thumbnail', '72x72',
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'PNG32:' + dst_path]
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else:
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cmd = [
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'convert', '-thumbnail', '72x72', '-gravity', 'center', '-background',
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'convert', '-thumbnail', '72x72', '-gravity', 'center', '-background',
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'none', '-extent', '72x72', src_path, 'PNG32:' + dst_path])
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'none', '-extent', '72x72', src_path, 'PNG32:' + dst_path]
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subprocess.check_call(cmd)
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def get_inv_aliases():
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def get_inv_aliases():
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@ -77,14 +84,16 @@ def sequence_to_filename(seq, prefix, suffix):
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return ''.join((prefix, unicode_data.seq_to_string(seq), suffix))
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return ''.join((prefix, unicode_data.seq_to_string(seq), suffix))
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def create_thumbnails_and_aliases(src_dir, dst_dir, dst_prefix):
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def create_thumbnails_and_aliases(src_dir, dst_dir, crop, dst_prefix):
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"""Creates thumbnails in dst_dir based on sources in src.dir, using
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"""Creates thumbnails in dst_dir based on sources in src.dir, using
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dst_prefix. Assumes the source prefix is 'emoji_u' and the common suffix
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dst_prefix. Assumes the source prefix is 'emoji_u' and the common suffix
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is '.png'."""
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is '.png'."""
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src_dir = tool_utils.resolve_path(src_dir)
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if not path.isdir(src_dir):
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if not path.isdir(src_dir):
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raise ValueError('"%s" is not a directory')
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raise ValueError('"%s" is not a directory')
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dst_dir = tool_utils.ensure_dir_exists(dst_dir)
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dst_dir = tool_utils.ensure_dir_exists(tool_utils.resolve_path(dst_dir))
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src_prefix = 'emoji_u'
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src_prefix = 'emoji_u'
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suffix = '.png'
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suffix = '.png'
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@ -104,8 +113,9 @@ def create_thumbnails_and_aliases(src_dir, dst_dir, dst_prefix):
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dst_file = sequence_to_filename(seq, dst_prefix, suffix)
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dst_file = sequence_to_filename(seq, dst_prefix, suffix)
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dst_path = path.join(dst_dir, dst_file)
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dst_path = path.join(dst_dir, dst_file)
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create_thumbnail(src_path, dst_path)
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create_thumbnail(src_path, dst_path, crop)
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logger.info('wrote thumbnail: %s' % dst_file)
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logger.info('wrote thumbnail%s: %s' % (
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' with crop' if crop else '', dst_file))
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for alias_seq in inv_aliases.get(seq, ()):
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for alias_seq in inv_aliases.get(seq, ()):
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alias_file = sequence_to_filename(alias_seq, dst_prefix, suffix)
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alias_file = sequence_to_filename(alias_seq, dst_prefix, suffix)
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@ -115,15 +125,22 @@ def create_thumbnails_and_aliases(src_dir, dst_dir, dst_prefix):
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def main():
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def main():
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SRC_DEFAULT = '[emoji]/build/compressed_pngs'
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PREFIX_DEFAULT = 'android_'
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parser = argparse.ArgumentParser()
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parser = argparse.ArgumentParser()
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parser.add_argument(
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parser.add_argument(
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'-s', '--src_dir', help='source images', metavar='dir', required=True)
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'-s', '--src_dir', help='source images (default \'%s\')' % SRC_DEFAULT,
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default=SRC_DEFAULT, metavar='dir')
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parser.add_argument(
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parser.add_argument(
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'-d', '--dst_dir', help='destination directory', metavar='dir',
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'-d', '--dst_dir', help='destination directory', metavar='dir',
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required=True)
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required=True)
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parser.add_argument(
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parser.add_argument(
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'-p', '--prefix', help='prefix for thumbnail', metavar='str',
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'-p', '--prefix', help='prefix for thumbnail (default \'%s\')' %
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default='android_')
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PREFIX_DEFAULT, default=PREFIX_DEFAULT, metavar='str')
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parser.add_argument(
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'-c', '--crop', help='crop images (will automatically crop if '
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'src dir is the default)', action='store_true')
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parser.add_argument(
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parser.add_argument(
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'-v', '--verbose', help='write log output', metavar='level',
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'-v', '--verbose', help='write log output', metavar='level',
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choices='warning info debug'.split(), const='info',
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choices='warning info debug'.split(), const='info',
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@ -133,8 +150,9 @@ def main():
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if args.verbose is not None:
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if args.verbose is not None:
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logging.basicConfig(level=getattr(logging, args.verbose.upper()))
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logging.basicConfig(level=getattr(logging, args.verbose.upper()))
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crop = args.crop or (args.src_dir == SRC_DEFAULT)
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create_thumbnails_and_aliases(
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create_thumbnails_and_aliases(
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args.src_dir, args.dst_dir, args.prefix)
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args.src_dir, args.dst_dir, crop, args.prefix)
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if __name__ == '__main__':
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if __name__ == '__main__':
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