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huadexuan committed 2026-10-09 23:21:09 +08:00
1 parent 65edee3663
commit dd3feebde5
25 files changed
+421 -18

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+49
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#!/usr/bin/env python3
"""
批量压缩 Assets/Model 下的大尺寸 PNG 贴图
将 4096x4096 缩小到 2048x2048,并优化文件大小
"""
import os
from PIL import Image
from pathlib import Path
def compress_texture(filepath, max_size=2048):
"""压缩单个贴图文件"""
try:
img = Image.open(filepath)
original_size = os.path.getsize(filepath)
# 如果图片大于目标尺寸,缩放
if img.width > max_size or img.height > max_size:
img.thumbnail((max_size, max_size), Image.Resampling.LANCZOS)
print(f" 缩放: {img.width}x{img.height}")
# 优化并保存
img.save(filepath, 'PNG', optimize=True, compress_level=9)
new_size = os.path.getsize(filepath)
saved_mb = (original_size - new_size) / (1024 * 1024)
print(f" 节省: {saved_mb:.2f} MB ({original_size/(1024*1024):.2f} -> {new_size/(1024*1024):.2f} MB)")
return saved_mb
except Exception as e:
print(f" 错误: {e}")
return 0
def main():
assets_path = Path("Assets/Model")
total_saved = 0
processed = 0
# 查找所有超过 10MB 的 PNG 文件
for png_file in assets_path.rglob("*.png"):
file_size = png_file.stat().st_size
if file_size > 10 * 1024 * 1024: # 10 MB
print(f"\n处理: {png_file.name}")
saved = compress_texture(str(png_file))
total_saved += saved
processed += 1
print(f"\n完成! 处理了 {processed} 个文件,共节省 {total_saved:.2f} MB")
if __name__ == "__main__":
main()
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