Last active
June 20, 2023 16:05
-
-
Save jams2/ca0ecc38a48fdf5b90dc377521fc19d2 to your computer and use it in GitHub Desktop.
Script for generating cropped SVGs and HTML report for Willow
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import glob | |
import io | |
import os | |
import sys | |
from pathlib import Path | |
from willow import Image | |
from willow.svg import SvgImage | |
def get_original_crop_rect(svg_image): | |
# left, top, right, bottom (not left, top, width, height, | |
# like viewBox but the same in this case) | |
return (0, 0, svg_image.image.width, svg_image.image.height) | |
def main(update=False): | |
base_dir = Path("tests/images/svg") | |
original_file_paths = ( | |
Path(x) | |
for x in glob.iglob(str(base_dir / "originals/**/*-crop-*.svg"), recursive=True) | |
) | |
document = """ | |
<html> | |
<style> | |
svg { border: 1px solid black; } | |
</style> | |
<body style="width: 100vw;">""" | |
for original_file_path in original_file_paths: | |
document += "<hr />" | |
document += str(original_file_path) | |
document += '<div style="width: 100%;">' | |
document += '<table><tr><th>Original</th><th>Processed</th></tr><tr>' | |
with open(original_file_path, "rb") as f: | |
original_file = Image.open(f) | |
original = SvgImage.open(original_file) | |
original_buf = io.BytesIO() | |
original.image.write(original_buf) | |
original_buf.seek(0) | |
document += "<td>" | |
document += original_buf.read().decode() | |
document += "</td>" | |
directive = original_file_path.stem.split("-")[-1] | |
if directive == "original": | |
rect = get_original_crop_rect(original) | |
else: | |
rect = tuple(int(x) for x in directive.split("_")) | |
cropped = original.crop(rect) | |
cropped_buf = io.BytesIO() | |
cropped.image.write(cropped_buf) | |
cropped_buf.seek(0) | |
document += "<td>" | |
document += cropped_buf.read().decode() | |
document += "</td></tr></table>" | |
document += "</div>" | |
results_file_path = Path( | |
str(original_file_path).replace("originals", "results") | |
) | |
if not results_file_path.exists() or update: | |
os.makedirs(results_file_path.parent, exist_ok=True) | |
with open(results_file_path, "wb") as f: | |
cropped.image.write(f) | |
document += "</body></html>" | |
out_path = Path("./svg-report.html") | |
with open(out_path, "w") as f: | |
f.write(document) | |
if __name__ == "__main__": | |
main(update=len(sys.argv) > 1 and sys.argv[1] == "--update") |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment