81 lines
3.5 KiB
Python
81 lines
3.5 KiB
Python
# 生成 Electron 两个资源：
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# 1) build/icons/icon.icns —— 真正的 ICNS 容器（原文件其实是改了扩展名的 PNG，属坏文件）
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# 2) resources/app.png —— 启动背景稿，按甄房品牌重做
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# 用法: python _design-test/build-electron-assets.py （预演）
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# python _design-test/build-electron-assets.py --write （真写）
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import os, sys, struct, io
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from PIL import Image
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SRC = r'D:\SGP_KF\DrawLogo\_design-test\logo\png'
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ZF = r'e:\KF_7\ZhenOS-ZF'
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WRITE = '--write' in sys.argv
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ICNS_OUT = f'{ZF}/xiaohuju/build/icons/icon.icns'
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APP_OUT = f'{ZF}/xiaohuju/resources/app.png'
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# ── 1. ICNS：容器 = 'icns' + 总长度 + [type(4) + 长度(4, 含头) + PNG 数据] ──
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# 类型码为 Apple 官方定义；PNG 载荷自 macOS 10.7 起原生支持
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ICNS_TYPES = [
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('icp4', 16), ('icp5', 32), ('icp6', 64),
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('ic07', 128), ('ic08', 256), ('ic09', 512), ('ic10', 1024),
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('ic11', 32), ('ic12', 64), ('ic13', 256), ('ic14', 512),
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]
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base = Image.open(os.path.join(SRC, 'appicon-1024.png')).convert('RGBA')
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chunks = []
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for tag, size in ICNS_TYPES:
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buf = io.BytesIO()
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base.resize((size, size), Image.LANCZOS).save(buf, format='PNG', optimize=True)
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data = buf.getvalue()
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chunks.append(tag.encode('ascii') + struct.pack('>I', len(data) + 8) + data)
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body = b''.join(chunks)
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icns = b'icns' + struct.pack('>I', len(body) + 8) + body
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print(' icon.icns %d 个尺寸 %d 字节 容器合法=%s'
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% (len(ICNS_TYPES), len(icns), icns[:4] == b'icns' and struct.unpack('>I', icns[4:8])[0] == len(icns)))
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# ── 2. app.png：启动背景稿重做 ──
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# 原稿是 3.2MB 的满幅蓝色装饰图（2208x2048，全宽 + 上下白边），且全仓库零代码引用（孤儿资源）。
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# 重做思路：与 splash.html / 应用图标统一到「墨蓝深色外壳」语言 —— 墨蓝渐变底 + 顶部品牌蓝辉光 + 居中白色横版锁定标。
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W, H = 2208, 2048
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# 底色：墨蓝渐变（#0C2340 → #071527）
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bg = Image.new('RGB', (W, H))
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top, bot = (0x0C, 0x23, 0x40), (0x07, 0x15, 0x27)
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for y in range(H):
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k = y / (H - 1)
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bg.paste(tuple(round(top[i] + (bot[i] - top[i]) * k) for i in range(3)), (0, y, W, y + 1))
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# 顶部品牌蓝辉光（呼应 splash.html 的 .splash::before）—— 1/8 分辨率算完再放大，纯 Python 逐像素太慢
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gw, gh = W // 8, H // 8
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glow = Image.new('L', (gw, gh), 0)
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gp = glow.load()
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cx0, cy0, rx, ry = gw / 2, gh * 0.28, gw * 0.62, gh * 0.34
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for y in range(gh):
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dy = (y - cy0) / ry
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row = dy * dy
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for x in range(gw):
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dx = (x - cx0) / rx
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d = (row + dx * dx) ** 0.5
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if d < 1:
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gp[x, y] = int(255 * (1 - d) ** 1.6)
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glow = glow.resize((W, H), Image.BILINEAR)
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bg = Image.composite(Image.new('RGB', (W, H), (0x00, 0x70, 0xF2)), bg, glow.point(lambda v: v // 6))
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# 居中横版锁定标（反白），宽度占画布 42%
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lock = Image.open(os.path.join(SRC, 'logo-reverse-800.png')).convert('RGBA')
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lb = lock.getchannel('A').getbbox()
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lock = lock.crop(lb)
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k = (W * 0.42) / lock.width
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lock = lock.resize((round(lock.width * k), round(lock.height * k)), Image.LANCZOS)
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canvas = bg.convert('RGBA')
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canvas.paste(lock, ((W - lock.width) // 2, (H - lock.height) // 2), lock)
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out = canvas.convert('RGB')
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print(' app.png 新稿 %dx%d 锁定标 %dx%d 居中' % (W, H, lock.width, lock.height))
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if WRITE:
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open(ICNS_OUT, 'wb').write(icns)
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out.save(APP_OUT, optimize=True)
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print('\n已写入 icon.icns / app.png')
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else:
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print('\n预演，未写入（加 --write 生效）')
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