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"""
Crop images to prepare for training
"""
import click
from app.settings import types
from app.utils import click_utils
from app.settings import app_cfg as cfg
"""
Filter Q-Down Q-Up Speed
NEAREST ⭐⭐⭐⭐⭐
BOX ⭐ ⭐⭐⭐⭐
BILINEAR ⭐ ⭐ ⭐⭐⭐
HAMMING ⭐⭐ ⭐⭐⭐
BICUBIC ⭐⭐⭐ ⭐⭐⭐ ⭐⭐
LANCZOS ⭐⭐⭐⭐ ⭐⭐⭐⭐ ⭐
"""
@click.command()
@click.option('-i', '--input', 'opt_dir_in', required=True,
help='Input directory')
@click.option('-o', '--output', 'opt_dir_out', required=True,
help='Output directory')
@click.option('-e', '--ext', 'opt_glob_ext',
default='jpg', type=click.Choice(['jpg', 'png']),
help='File glob ext')
@click.option('--size', 'opt_size',
type=(int, int), default=(256, 256),
help='Output image size (square)')
@click.option('--method', 'opt_scale_method',
type=click.Choice(['LANCZOS', 'BICUBIC', 'HAMMING', 'BILINEAR', 'BOX', 'NEAREST']),
default='LANCZOS',
help='Scaling method to use')
@click.pass_context
def cli(ctx, opt_dir_in, opt_dir_out, opt_glob_ext, opt_size, opt_scale_method):
"""Crop, mirror images"""
import os
from os.path import join
from pathlib import Path
from glob import glob
from tqdm import tqdm
from PIL import Image, ImageOps, ImageFilter
from app.utils import logger_utils, file_utils, im_utils
# -------------------------------------------------
# init
log = logger_utils.Logger.getLogger()
methods = {
'LANCZOS': Image.LANCZOS,
'BICUBIC': Image.BICUBIC,
'HAMMING': Image.HAMMING,
'BILINEAR': Image.BILINEAR,
'BOX': Image.BOX,
'NEAREST': Image.NEAREST
}
# -------------------------------------------------
# process here
# get list of files to process
fp_ims = glob(join(opt_dir_in, '*.{}'.format(opt_glob_ext)))
log.info('processing {:,} files'.format(len(fp_ims)))
# set scale method
scale_method = methods[opt_scale_method]
# ensure output dir exists
file_utils.mkdirs(opt_dir_out)
# resize and save images
for fp_im in tqdm(fp_ims):
im = Image.open(fp_im)
im = ImageOps.fit(im, opt_size, method=scale_method, centering=(0.5, 0.5))
fp_out = join(opt_dir_out, Path(fp_im).name)
im.save(fp_out)
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