110 lines
3.7 KiB
Python
110 lines
3.7 KiB
Python
"""一次性脚本：生成多尺寸 icon.ico（芯片轮廓 + 绿色对勾，蓝色 Material 风格）。
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生成正确的多帧 ICO 文件（手工写 ICONDIR + PNG 帧），避免 PIL 的 ICO writer 只保留单帧的 bug。
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"""
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import struct
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from io import BytesIO
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from pathlib import Path
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from PIL import Image, ImageDraw
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def make_base(size: int) -> Image.Image:
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"""画一张 size×size 的图标 base image。"""
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img = Image.new("RGBA", (size, size), (0, 0, 0, 0))
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draw = ImageDraw.Draw(img)
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# 圆角方形背景 + 垂直蓝色渐变
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for y in range(size):
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t = y / size
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r = int(25 + (66 - 25) * t)
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g = int(118 + (165 - 118) * t)
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b = int(210 + (245 - 210) * t)
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draw.rectangle((0, y, size, y + 1), fill=(r, g, b, 255))
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# 圆角裁切
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mask = Image.new("L", (size, size), 0)
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ImageDraw.Draw(mask).rounded_rectangle(
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(0, 0, size - 1, size - 1), radius=int(size * 0.19), fill=255)
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img.putalpha(mask)
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# IC 芯片轮廓
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s = size
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chip_box = (int(s * 0.265), int(s * 0.352), int(s * 0.735), int(s * 0.648))
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line_w = max(2, int(s * 0.024))
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draw.rectangle(chip_box, outline=(255, 255, 255), width=line_w)
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pin_w = max(2, int(s * 0.024))
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pin_l = max(2, int(s * 0.047))
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cx_left, cy_top, cx_right, cy_bot = chip_box
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chip_w = cx_right - cx_left
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chip_h = cy_bot - cy_top
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# 上下引脚（5 根）
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for i in range(5):
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x = cx_left + int(chip_w * (0.117 + 0.192 * i))
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draw.rectangle((x - pin_w // 2, cy_top - pin_l, x + pin_w // 2, cy_top),
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fill=(255, 255, 255))
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draw.rectangle((x - pin_w // 2, cy_bot, x + pin_w // 2, cy_bot + pin_l),
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fill=(255, 255, 255))
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# 左右引脚（3 根）
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for i in range(3):
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y = cy_top + int(chip_h * (0.185 + 0.302 * i))
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draw.rectangle((cx_left - pin_l, y - pin_w // 2, cx_left, y + pin_w // 2),
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fill=(255, 255, 255))
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draw.rectangle((cx_right, y - pin_w // 2, cx_right + pin_l, y + pin_w // 2),
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fill=(255, 255, 255))
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# 中心：绿色对勾
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check_pts = [
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(int(s * 0.359), int(s * 0.492)),
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(int(s * 0.453), int(s * 0.578)),
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(int(s * 0.648), int(s * 0.383)),
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]
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check_w_max = max(3, int(s * 0.055))
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for w in range(check_w_max, max(2, check_w_max - 6), -2):
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draw.line(check_pts, fill=(76, 175, 80, 255), width=w, joint="curve")
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# 白色细描边
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draw.line(check_pts, fill=(255, 255, 255, 220), width=max(1, int(s * 0.008)), joint="curve")
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return img
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def write_ico(path: Path, sizes):
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"""手工构造一个多帧 ICO 文件（每帧用 PNG 编码，Windows Vista+ 通用）。"""
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images_png = []
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for sz in sizes:
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img = make_base(sz)
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buf = BytesIO()
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img.save(buf, format="PNG")
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images_png.append((sz, buf.getvalue()))
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with open(path, "wb") as f:
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# ICONDIR
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f.write(struct.pack("<HHH", 0, 1, len(images_png)))
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# ICONDIRENTRY × n
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offset = 6 + 16 * len(images_png)
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for sz, data in images_png:
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w = sz if sz < 256 else 0 # 256 用 0 表示
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f.write(struct.pack("<BBBBHHII",
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w, w, 0, 0,
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1, 32,
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len(data), offset))
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offset += len(data)
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# 图像数据
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for _, data in images_png:
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f.write(data)
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if __name__ == "__main__":
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sizes = [16, 24, 32, 48, 64, 128, 256]
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out = Path(__file__).parent / "icon.ico"
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write_ico(out, sizes)
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print(f"saved: {out} {out.stat().st_size} bytes (frames: {len(sizes)})")
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# 顺便存一张大图 png 方便预览
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make_base(512).save(Path(__file__).parent / "icon.png", format="PNG")
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