Ap_Tx
dbd1ef72cf
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39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
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from PIL import Image
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import os
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src = r"C:\Users\28579\Downloads\resources\resources\netherstar.png"
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out_dir = r"D:\Project\Starlight_Lancher\tools\icon_work"
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os.makedirs(out_dir, exist_ok=True)
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img = Image.open(src).convert("RGBA")
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print("原图:", img.size)
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alpha = img.getchannel("A")
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bbox = alpha.getbbox()
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print("内容 bbox:", bbox)
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cropped = img.crop(bbox)
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print("裁剪后:", cropped.size)
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cw, ch = cropped.size
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# 方案A: contain, 保比例居中
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scale = 1024 / max(cw, ch)
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nw, nh = round(cw*scale), round(ch*scale)
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ra = cropped.resize((nw, nh), Image.LANCZOS)
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ca = Image.new("RGBA", (1024, 1024), (0, 0, 0, 0))
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ca.paste(ra, ((1024-nw)//2, (1024-nh)//2), ra)
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pa = os.path.join(out_dir, "square_contain.png")
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ca.save(pa)
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print("A contain:", pa, (nw, nh))
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# 方案B: cover, 占满并裁切
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sb = 1024 / min(cw, ch)
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bw, bh = round(cw*sb), round(ch*sb)
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rb = cropped.resize((bw, bh), Image.LANCZOS)
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left, top = (bw-1024)//2, (bh-1024)//2
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cb = rb.crop((left, top, left+1024, top+1024))
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pb = os.path.join(out_dir, "square_cover.png")
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cb.save(pb)
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print("B cover:", pb, (bw, bh))
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