mirror of https://github.com/zulip/zulip.git
58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
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#!/usr/bin/env python3
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"""Generates versions of landing page images to be served in different conditions."""
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import glob
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import os
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import sys
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from pathlib import Path
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from typing import Tuple
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from PIL import Image
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ZULIP_PATH = os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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if ZULIP_PATH not in sys.path:
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sys.path.append(ZULIP_PATH)
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LANDING_IMAGES_DIR = os.path.join(ZULIP_PATH, "static", "images", "landing-page", "hello")
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ORIGINAL_IMAGES_DIR = os.path.join(LANDING_IMAGES_DIR, "original")
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GENERATED_IMAGES_DIR = os.path.join(LANDING_IMAGES_DIR, "generated")
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def get_x_size(size: Tuple[float, float], x: int) -> Tuple[int, int]:
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return int(x / 3 * size[0]), int(x / 3 * size[1])
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def generate_landing_page_images() -> None:
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if not os.path.exists(GENERATED_IMAGES_DIR):
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os.mkdir(GENERATED_IMAGES_DIR)
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for image_file_path in glob.glob(f"{ORIGINAL_IMAGES_DIR}/*"):
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file_name = Path(image_file_path).stem
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with Image.open(image_file_path) as image:
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size_2x = get_x_size(image.size, 2)
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size_1x = get_x_size(image.size, 1)
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## Generate WEBP images.
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image.save(f"{GENERATED_IMAGES_DIR}/{file_name}-3x.webp", quality=50)
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image_2x = image.resize(size_2x)
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image_2x.save(f"{GENERATED_IMAGES_DIR}/{file_name}-2x.webp", quality=50)
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image_1x = image.resize(size_1x)
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image_1x.save(f"{GENERATED_IMAGES_DIR}/{file_name}-1x.webp", quality=70)
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## Generate JPG images.
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# Convert from RGBA to RGB since jpg doesn't support transparency.
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rgb_image = image.convert("RGB")
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rgb_image.save(f"{GENERATED_IMAGES_DIR}/{file_name}-3x.jpg", quality=19, optimize=True)
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rgb_image_2x = rgb_image.resize(size_2x)
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rgb_image_2x.save(
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f"{GENERATED_IMAGES_DIR}/{file_name}-2x.jpg", quality=50, optimize=True
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)
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rgb_image_1x = rgb_image.resize(size_1x)
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rgb_image_1x.save(
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f"{GENERATED_IMAGES_DIR}/{file_name}-1x.jpg", quality=70, optimize=True
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)
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if __name__ == "__main__":
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generate_landing_page_images()
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