Ap_Tx
9b704919cf
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43 lines
1.2 KiB
Python
43 lines
1.2 KiB
Python
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import struct
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p = r"D:\Project\Starlight_Lancher\target\release\Starlight Launcher.exe"
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data = open(p, "rb").read()
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# 粗解析 PE，找 .rsrc 段的 RT_GROUP_ICON 和 RT_ICON
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# 简化：直接找所有 PNG（现代 ico 用 png 存大图）和 BMP(ico用)
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# 提取第一个 PNG 看尺寸
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import io
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PNG_SIG = b"\x89PNG\r\n\x1a\n"
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results = []
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idx = 0
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while True:
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i = data.find(PNG_SIG, idx)
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if i < 0:
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break
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# PNG IHDR: 宽高在 sig 后 16 字节起 (8 sig + 4 len + 4 'IHDR' = 16)
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try:
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w = struct.unpack(">I", data[i+16:i+20])[0]
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h = struct.unpack(">I", data[i+20:i+24])[0]
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if 8 <= w <= 1024 and 8 <= h <= 1024:
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results.append((i, w, h))
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except Exception:
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pass
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idx = i + 8
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print("找到疑似图标 PNG (offset,w,h) 前 30 个:")
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for r in results[:30]:
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print(r)
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# 对比：icon.ico 里各图像尺寸
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ico = open(r"D:\Project\Starlight_Lancher\apps\app\icons\icon.ico", "rb").read()
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n = struct.unpack("<H", ico[4:6])[0]
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print(f"\nicon.ico 含 {n} 个图像:")
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off = 6
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for k in range(n):
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w = ico[off] or 256
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h = ico[off+1] or 256
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size = struct.unpack("<I", ico[off+8:off+12])[0]
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print(f" 图像{k}: {w}x{h}, {size} bytes")
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off += 16
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