59 lines
2.5 KiB
Python
59 lines
2.5 KiB
Python
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"""把 assets/ 里的 UI 素材转成 LVGL v9 二进制图片（.bin），供表盘运行时加载。
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格式（已在真机验证）:
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header 12B: magic=0x19 | cf | flags | w | h | stride | reserved
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cf=0x10 ARGB8888 -> 数据为 BGRA，长度 = w*h*4
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编码器用 iconpack.encode（与图标包同一套，字节级验证过）。
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"""
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import os, sys
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sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
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import iconpack as ip
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from PIL import Image, ImageDraw
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from paths import PROJ, DOCS
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ASSETS = os.path.join(PROJ, 'assets')
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OUT = os.path.join(PROJ, 'ui_images')
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# 显示尺寸取自 CSS：列表图标 30x30，返回箭头 17x28
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SPEC = [
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('back', 'backarrow.png', 17, 28),
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('ic_help', 'MdiLightbulbOutline.png', 30, 30),
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('ic_replace', 'MdiBandage.png', 30, 30),
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('ic_about', 'MdiInformationOutline.png', 30, 30),
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('ic_check', 'MdiClipboardTextSearchOutline.png', 30, 30),
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('ic_rollback', 'MdiReplyAllOutline.png', 30, 30),
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('ic_qq', 'qq.png', 30, 30),
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]
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os.makedirs(OUT, exist_ok=True)
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for name, png, w, h in SPEC:
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p = os.path.join(ASSETS, png)
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if not os.path.exists(p):
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print(f' 缺少 {png}'); continue
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img = Image.open(p).convert('RGBA')
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if img.size != (w, h):
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img = img.resize((w, h), Image.LANCZOS)
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blob = ip.encode(img, ip.CF_ARGB8888, w, h, 0)
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dst = os.path.join(OUT, name + '.bin')
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open(dst, 'wb').write(blob)
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print(f' {name:<12} <- {png:<34} {w}x{h} {len(blob)} bytes')
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# 关于页的 logo：封面图缩到 78x78，并加圆形遮罩
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# （封面是圆形图案 + 黑色方角，不裁成圆的话会在墨绿卡片上露出黑方块）
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logo_src = os.path.join(ASSETS, 'cover.png')
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if os.path.exists(logo_src):
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L = 78
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img = Image.open(logo_src).convert('RGBA').resize((L, L), Image.LANCZOS)
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mask = Image.new('L', (L, L), 0)
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ImageDraw.Draw(mask).ellipse([0, 0, L - 1, L - 1], fill=255)
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img.putalpha(mask)
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blob = ip.encode(img, ip.CF_ARGB8888, L, L, 0)
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open(os.path.join(OUT, 'logo.bin'), 'wb').write(blob)
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# 顺便存一份 PNG 给本机预览用（注意别放进打包目录，会一起被打进去）
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prev = os.path.join(DOCS, 'logo_preview.png')
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os.makedirs(os.path.dirname(prev), exist_ok=True)
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img.save(prev)
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print(f' {"logo":<12} <- cover.png(圆形裁切) {L}x{L} {len(blob)} bytes')
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print('written to', OUT)
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