48 lines
1.3 KiB
Python
48 lines
1.3 KiB
Python
#!/usr/bin/env python3
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"""生成简单的扩展图标"""
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import struct
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import zlib
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def create_png(size, color=(102, 126, 234)):
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"""创建简单的纯色 PNG 图标"""
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def chunk(chunk_type, data):
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return struct.pack('>I', len(data)) + chunk_type + data + struct.pack('>I', zlib.crc32(chunk_type + data) & 0xffffffff)
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# PNG signature
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signature = b'\x89PNG\r\n\x1a\n'
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# IHDR chunk
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ihdr_data = struct.pack('>IIBBBBB', size, size, 8, 2, 0, 0, 0)
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ihdr = chunk(b'IHDR', ihdr_data)
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# IDAT chunk (raw image data)
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raw_data = b''
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for y in range(size):
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raw_data += b'\x00' # filter byte
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for x in range(size):
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# 创建圆角矩形效果
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cx, cy = size / 2, size / 2
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radius = size * 0.4
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corner_radius = size * 0.15
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# 简化：纯色填充
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raw_data += bytes(color)
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compressed = zlib.compress(raw_data, 9)
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idat = chunk(b'IDAT', compressed)
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# IEND chunk
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iend = chunk(b'IEND', b'')
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return signature + ihdr + idat + iend
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# 生成不同尺寸的图标
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for size in [16, 48, 128]:
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png_data = create_png(size)
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with open(f'icons/icon{size}.png', 'wb') as f:
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f.write(png_data)
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print(f'Generated icons/icon{size}.png')
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print('Done!')
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