JoeAllen
64cc4489e3
旧图标沿用 Tauri 时代的素材，与界面上的品牌 logo 不一致。 scripts/gen-icon.py 按 logo.rs 的几何与合成顺序纯 Python 光栅化： - 紫色（Linear primary #5e6ad2）圆角方块底，圆角比例 0.26 - 白色连线（宽 0.04）自中心 broker（实心圆 d=0.34）连向 三个环形末端节点（d=0.30、环厚 0.06），坐标与 UI 完全一致 - 4×4 超采样抗锯齿，独立渲染 256/64/48/32/24/16 六个尺寸 打包为 PNG 帧 ICO；脚本归档 scripts/ 便于日后改动复现
98 lines
3.6 KiB
Python
98 lines
3.6 KiB
Python
"""按 logo.rs 的几何与合成顺序光栅化品牌 logo，打包为多尺寸 .ico。"""
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import math, struct, zlib
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PRIMARY = (0x5e, 0x6a, 0xd2) # Linear 主紫
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FG = (0xff, 0xff, 0xff) # primary_foreground
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NODES = [(0.78, 0.27), (0.78, 0.73), (0.23, 0.50)]
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CENTER = (0.50, 0.50)
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def blend(dst, src, a):
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return tuple(round(sd + (sc - sd) * a) for sd, sc in zip(dst, src))
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def render(size):
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S = float(size)
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ss = 4 # 4x4 超采样抗锯齿
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px = [[PRIMARY for _ in range(size)] for _ in range(size)]
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def sample(nx, ny):
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"""单采样点（归一化坐标）处的颜色，按 logo.rs 合成顺序。"""
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col = PRIMARY
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# 底：圆角方块 radius 0.26
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r = 0.26
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if not (nx >= 0 and nx <= 1 and ny >= 0 and ny <= 1):
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return None
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qx = max(abs(nx - 0.5) - (0.5 - r), 0)
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qy = max(abs(ny - 0.5) - (0.5 - r), 0)
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if math.hypot(qx, qy) > r:
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return None
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def dot_dist(px_, py_, cx, cy):
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return math.hypot(nx - cx, ny - cy) # placeholder
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# 连线 + 端点（白 α0.9）
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line_w = 0.04
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for (tx, ty) in NODES:
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# 点到线段距离
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ax, ay = CENTER; bx, by = tx, ty
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vx, vy = bx - ax, by - ay
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t = ((nx - ax) * vx + (ny - ay) * vy) / (vx * vx + vy * vy)
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t = max(0.0, min(1.0, t))
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d = math.hypot(nx - (ax + t * vx), ny - (ay + t * vy))
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if d <= line_w / 2:
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col = blend(col, FG, 0.9)
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if math.hypot(nx - tx, ny - ty) <= 0.05:
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col = blend(col, FG, 0.9)
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for (cx, cy) in [CENTER]:
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if math.hypot(nx - cx, ny - cy) <= 0.17:
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col = blend(col, FG, 1.0)
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# 环：外径 0.15，厚 0.06（填充紫、边白）
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for (tx, ty) in NODES:
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d = math.hypot(nx - tx, ny - ty)
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if d <= 0.15 - 0.03:
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col = PRIMARY
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elif d <= 0.15 + 0.03:
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col = blend(col, FG, 1.0)
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return col
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for y in range(size):
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for x in range(size):
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acc = [0, 0, 0, 0] # rgb + coverage
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for sy in range(ss):
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for sx in range(ss):
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nx = (x + (sx + 0.5) / ss) / S
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ny = (y + (sy + 0.5) / ss) / S
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c = sample(nx, ny)
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if c is not None:
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acc[0] += c[0]; acc[1] += c[1]; acc[2] += c[2]; acc[3] += 1
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n = acc[3]
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if n == 0:
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px[y][x] = (0, 0, 0, 0)
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else:
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px[y][x] = (acc[0] // n, acc[1] // n, acc[2] // n, 255)
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return px
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def png_bytes(px):
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h = len(px); w = len(px[0])
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raw = b"".join(b"\x00" + b"".join(bytes(p) for p in row) for row in px)
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def chunk(tag, data):
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c = struct.pack(">I", len(data)) + tag + data
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return c + struct.pack(">I", zlib.crc32(tag + data) & 0xFFFFFFFF)
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return (b"\x89PNG\r\n\x1a\n"
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+ chunk(b"IHDR", struct.pack(">IIBBBBB", w, h, 8, 6, 0, 0, 0))
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+ chunk(b"IDAT", zlib.compress(raw, 9))
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+ chunk(b"IEND", b""))
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sizes = [256, 64, 48, 32, 24, 16]
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frames = {s: png_bytes(render(s)) for s in sizes}
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out = struct.pack("<HHH", 0, 1, len(sizes))
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offset = 6 + 16 * len(sizes)
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body = b""
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for s in sizes:
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data = frames[s]
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out += struct.pack("<BBBBHHII",
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s if s < 256 else 0, s if s < 256 else 0, 0, 0, 1, 32, len(data), offset)
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body += data
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offset += len(data)
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open("gpui-app/resources/icon.ico", "wb").write(out + body)
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print("icon.ico written:", [f"{s}:{len(frames[s])}B" for s in sizes])
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