mirror of
https://github.com/ringhyacinth/Star-Office-UI
synced 2026-04-21 13:27:19 +00:00
115 lines
3.4 KiB
Python
115 lines
3.4 KiB
Python
#!/usr/bin/env python3
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"""
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批量转换 PNG 资源为 WebP 格式
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- 精灵图使用无损转换
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- 背景图等使用有损转换（质量 85）
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"""
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import os
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from PIL import Image
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# 路径
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FRONTEND_DIR = "/root/.openclaw/workspace/star-office-ui/frontend"
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STATIC_DIR = os.path.join(FRONTEND_DIR, "")
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# 文件分类配置
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# 无损转换：精灵图、需要保持透明精度的
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LOSSLESS_FILES = [
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"star-idle-spritesheet.png",
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"star-researching-spritesheet.png",
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"star-working-spritesheet.png",
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"sofa-busy-spritesheet.png",
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"plants-spritesheet.png",
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"posters-spritesheet.png",
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"coffee-machine-spritesheet.png",
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"serverroom-spritesheet.png"
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]
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# 有损转换：背景图等，质量 85
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LOSSY_FILES = [
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"office_bg.png",
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"sofa-idle.png",
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"desk.png"
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]
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def convert_to_webp(input_path, output_path, lossless=True, quality=85):
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"""转换单个文件为 WebP"""
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try:
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img = Image.open(input_path)
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# 保存为 WebP
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if lossless:
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img.save(output_path, 'WebP', lossless=True, method=6)
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else:
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img.save(output_path, 'WebP', quality=quality, method=6)
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# 计算文件大小
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orig_size = os.path.getsize(input_path)
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new_size = os.path.getsize(output_path)
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savings = (1 - new_size / orig_size) * 100
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print(f"✅ {os.path.basename(input_path)} -> {os.path.basename(output_path)}")
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print(f" 原大小: {orig_size/1024:.1f}KB -> 新大小: {new_size/1024:.1f}KB (-{savings:.1f}%)")
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return True
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except Exception as e:
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print(f"❌ {os.path.basename(input_path)} 转换失败: {e}")
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return False
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def main():
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print("=" * 60)
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print("PNG → WebP 批量转换工具")
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print("=" * 60)
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# 检查目录
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if not os.path.exists(STATIC_DIR):
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print(f"❌ 目录不存在: {STATIC_DIR}")
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return
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success_count = 0
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fail_count = 0
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print("\n📁 开始转换...\n")
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# 转换无损文件
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print("--- 无损转换（精灵图）---")
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for filename in LOSSLESS_FILES:
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input_path = os.path.join(STATIC_DIR, filename)
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if not os.path.exists(input_path):
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print(f"⚠️ 文件不存在，跳过: {filename}")
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continue
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output_path = os.path.join(STATIC_DIR, filename.replace(".png", ".webp"))
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if convert_to_webp(input_path, output_path, lossless=True):
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success_count += 1
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else:
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fail_count += 1
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# 转换有损文件
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print("\n--- 有损转换（背景图，质量 85）---")
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for filename in LOSSY_FILES:
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input_path = os.path.join(STATIC_DIR, filename)
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if not os.path.exists(input_path):
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print(f"⚠️ 文件不存在，跳过: {filename}")
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continue
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output_path = os.path.join(STATIC_DIR, filename.replace(".png", ".webp"))
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if convert_to_webp(input_path, output_path, lossless=False, quality=85):
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success_count += 1
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else:
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fail_count += 1
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print("\n" + "=" * 60)
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print(f"转换完成！成功: {success_count}, 失败: {fail_count}")
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print("=" * 60)
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print("\n📝 注意:")
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print(" - PNG 原文件已保留，不会删除")
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print(" - 需要修改前端代码引用 .webp 文件")
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print(" - 如需回滚，只需把代码改回引用 .png 即可")
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if __name__ == "__main__":
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main()
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