80 lines
2.7 KiB
Python
80 lines
2.7 KiB
Python
"""生成虎牙兑换助手扩展图标：橙色渐变圆角底 + 白色礼盒。
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128/48 用完整图案；16px 细节会糊，改用去掉蝴蝶结的加粗简化版。
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用法: uv run python web/extension/huya-exchange-helper/generate_icons.py
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"""
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from PIL import Image, ImageDraw
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S = 1024 # 超采样画布，最后缩到目标尺寸
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RADIUS = 200
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TOP = (255, 156, 71) # 渐变顶部
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BOTTOM = (240, 84, 0) # 渐变底部
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BOX = (255, 255, 255) # 礼盒
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RIBBON = (234, 74, 8) # 丝带（比背景深，压在白色上可见）
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def gradient_rounded(size: int, radius: int) -> Image.Image:
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grad = Image.new("RGBA", (size, size))
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g = ImageDraw.Draw(grad)
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for y in range(size):
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t = y / (size - 1)
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color = tuple(round(TOP[i] + (BOTTOM[i] - TOP[i]) * t) for i in range(3)) + (
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255,
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)
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g.line([(0, y), (size, y)], fill=color)
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mask = Image.new("L", (size, size), 0)
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ImageDraw.Draw(mask).rounded_rectangle([0, 0, size, size], radius=radius, fill=255)
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out = Image.new("RGBA", (size, size), (0, 0, 0, 0))
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out.paste(grad, (0, 0), mask)
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return out
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def draw_gift(img: Image.Image) -> None:
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d = ImageDraw.Draw(img)
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cx = S // 2
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# 蝴蝶结：左右两个椭圆
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d.ellipse([348, 235, 512, 365], fill=BOX)
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d.ellipse([512, 235, 676, 365], fill=BOX)
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# 盒盖（比盒身宽）
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d.rounded_rectangle([cx - 235, 375, cx + 235, 485], radius=30, fill=BOX)
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# 盒身
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d.rounded_rectangle([cx - 200, 509, cx + 200, 789], radius=36, fill=BOX)
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# 竖向丝带贯穿盖与盒身
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d.rectangle([cx - 44, 375, cx + 44, 789], fill=RIBBON)
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# 结口圆点，压在蝴蝶结与盒盖交界
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d.ellipse([cx - 46, 330, cx + 46, 422], fill=RIBBON)
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def draw_gift_simple(img: Image.Image) -> None:
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"""小尺寸版：去掉蝴蝶结，盒体加粗。"""
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d = ImageDraw.Draw(img)
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cx = img.width // 2
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scale = img.width / 512
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def rect(x1, y1, x2, y2, radius):
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d.rounded_rectangle(
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[x1 * scale, y1 * scale, x2 * scale, y2 * scale],
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radius=radius * scale,
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fill=BOX,
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)
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rect(cx / scale - 144, 96, cx / scale + 144, 206, 24) # 盖
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rect(cx / scale - 112, 230, cx / scale + 112, 420, 28) # 盒身
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d.rectangle(
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[cx - 34 * scale, 96 * scale, cx + 34 * scale, 420 * scale], fill=RIBBON
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)
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full = gradient_rounded(S, RADIUS)
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draw_gift(full)
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base = "web/extension/huya-exchange-helper/"
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for size in (128, 48):
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full.resize((size, size), Image.LANCZOS).save(f"{base}icon{size}.png")
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simple = gradient_rounded(512, 100)
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draw_gift_simple(simple)
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simple.resize((16, 16), Image.LANCZOS).save(f"{base}icon16.png")
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print("icons regenerated")
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