34 lines
984 B
Python
34 lines
984 B
Python
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from PIL import Image
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import struct
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import io
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import os
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png_path = r'D:\keilProject\HC32F460\Git\GateWay_ConfigureAPP\物联网网关.png'
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ico_path = r'D:\keilProject\HC32F460\Git\GateWay_ConfigureAPP\logo.ico'
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img = Image.open(png_path).convert('RGBA')
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sizes = [16, 32, 48, 64, 128, 256]
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ico_data = []
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for size in sizes:
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resized = img.resize((size, size), Image.Resampling.LANCZOS)
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png_bytes = io.BytesIO()
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resized.save(png_bytes, format='PNG')
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ico_data.append((size, png_bytes.getvalue()))
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header = struct.pack('<HHH', 0, 1, len(ico_data))
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entries = b''
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images = b''
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offset = 6 + len(ico_data) * 16
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for size, img_data in ico_data:
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w = 0 if size >= 256 else size
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h = 0 if size >= 256 else size
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entries += struct.pack('<BBBBHHII', w, h, 0, 0, 1, 32, len(img_data), offset)
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images += img_data
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offset += len(img_data)
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with open(ico_path, 'wb') as f:
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f.write(header + entries + images)
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print('ICO created, size:', os.path.getsize(ico_path))
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