85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
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"""gen_textures.py — 桌面纹理资产转换（PNG/webP → 裸 RGBA 字节流）
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输入（SYSTEM/system/deshab64/desktop/textures/）：
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back.webp 用户启动背景（889×500，缩放铺满 boot 屏）
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startMenuLogo.png 开始按钮/开始菜单 logo（216×210，带 alpha）
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输出（同目录）：
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back.rgba 889×500×4
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startMenuLogo.rgba 216×210×4
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bootlogo.rgba 157×157×4（自 CODE/dsk/logo_data.c 的嵌入数据提取，
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即 DSK 静态开机 Logo，desktop boot 屏复用）
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注意：不能用 PIL 直接 save(".rgba")——扩展名被 SgiImagePlugin 认领（512B 头）。
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"""
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import os
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import re
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import sys
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try:
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from PIL import Image
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except ImportError:
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print("PIL required: pip install pillow", file=sys.stderr)
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sys.exit(1)
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ROOT = os.path.join(os.path.dirname(__file__), "..", "..")
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TEX_DIR = os.path.join(ROOT, "SYSTEM", "system", "deshab64", "desktop", "textures")
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LOGO_C = os.path.join(ROOT, "CODE", "dsk", "logo_data.c")
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# (源文件, 输出名, 期望宽, 期望高)
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ASSETS = [
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("back.webp", "back.rgba", 889, 500),
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("startMenuLogo.png", "startMenuLogo.rgba", 216, 210),
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]
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def save_raw(im, name, w, h):
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if im.size != (w, h):
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im = im.resize((w, h), Image.LANCZOS)
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data = im.convert("RGBA").tobytes()
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out = os.path.join(TEX_DIR, name)
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with open(out, "wb") as f:
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f.write(data)
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print("%s: %dx%d %d bytes" % (name, w, h, len(data)))
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def extract_bootlogo():
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"""从 DSK logo_data.c 提取 g_logo_rgba 字节数组 → bootlogo.rgba"""
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src = open(LOGO_C, "r", encoding="utf-8", errors="replace").read()
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m = re.search(r"g_logo_w\s*=\s*(\d+)", src)
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n = re.search(r"g_logo_h\s*=\s*(\d+)", src)
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if not m or not n:
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print("logo_data.c: no g_logo_w/h", file=sys.stderr)
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return False
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w, h = int(m.group(1)), int(n.group(1))
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body = re.search(r"g_logo_rgba\[\]\s*=\s*\{(.*?)\};", src, re.S)
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if not body:
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print("logo_data.c: no g_logo_rgba array", file=sys.stderr)
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return False
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vals = [int(v, 0) for v in re.findall(r"0x[0-9a-fA-F]+|\b\d+\b", body.group(1))]
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expect = w * h * 4
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if len(vals) < expect:
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print("logo_data.c: %d bytes < expect %d" % (len(vals), expect), file=sys.stderr)
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return False
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out = os.path.join(TEX_DIR, "bootlogo.rgba")
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with open(out, "wb") as f:
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f.write(bytes(vals[:expect]))
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print("bootlogo.rgba: %dx%d %d bytes (from logo_data.c)" % (w, h, expect))
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return True
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def main():
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os.makedirs(TEX_DIR, exist_ok=True)
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for src_name, out_name, w, h in ASSETS:
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src = os.path.join(TEX_DIR, src_name)
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if not os.path.exists(src):
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print("skip missing:", src_name)
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continue
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save_raw(Image.open(src), out_name, w, h)
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extract_bootlogo()
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if __name__ == "__main__":
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main()
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