#!/usr/bin/env python3
"""生成品牌 PNG/ICO(Pillow),供 Chrome 快捷方式与 manifest 使用.
中控用通用监控图标;三所各自用交易所标识色+字标.
"""
from __future__ import annotations
import os
import shutil
REPO = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
OUT = os.path.join(REPO, "brand", "icons")
BG = (12, 16, 25, 255)
PANEL = (20, 27, 45, 255)
CYAN = (34, 211, 238, 255)
GREEN = (52, 211, 153, 255)
RED = (248, 113, 113, 255)
EXCHANGES = {
"binance": {
"label": "B",
"accent": (240, 185, 11, 255),
"panel": (26, 22, 10, 255),
"svg_fill": "#F0B90B",
},
"okx": {
"label": "OKX",
"accent": (255, 255, 255, 255),
"panel": (18, 18, 18, 255),
"svg_fill": "#FFFFFF",
},
"gate": {
"label": "G",
"accent": (23, 230, 161, 255),
"panel": (10, 28, 24, 255),
"svg_fill": "#17E6A1",
},
}
def _lerp(c1: tuple[int, ...], c2: tuple[int, ...], t: float) -> tuple[int, int, int, int]:
t = max(0.0, min(1.0, t))
return tuple(int(c1[i] + (c2[i] - c1[i]) * t) for i in range(4)) # type: ignore
def _rounded_rect(draw, box, radius: int, fill) -> None:
draw.rounded_rectangle(box, radius=radius, fill=fill)
def _font(size: int):
from PIL import ImageFont
candidates = [
os.path.join(os.environ.get("WINDIR", r"C:\Windows"), "Fonts", "arialbd.ttf"),
os.path.join(os.environ.get("WINDIR", r"C:\Windows"), "Fonts", "segoeuib.ttf"),
"/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf",
"/usr/share/fonts/truetype/liberation/LiberationSans-Bold.ttf",
"/System/Library/Fonts/Supplemental/Arial Bold.ttf",
]
for path in candidates:
if path and os.path.isfile(path):
try:
return ImageFont.truetype(path, size=size)
except OSError:
continue
return ImageFont.load_default()
def render_icon(size: int):
from PIL import Image, ImageDraw
img = Image.new("RGBA", (size, size), (0, 0, 0, 0))
draw = ImageDraw.Draw(img)
m = max(6, size // 12)
r = max(8, size // 6)
_rounded_rect(draw, (m, m, size - m, size - m), r, BG)
inner = m + max(2, size // 28)
_rounded_rect(draw, (inner, inner, size - inner, size - inner), max(6, r - 4), PANEL)
border = max(2, size // 42)
for i in range(border):
t0 = i / max(1, border - 1)
for x in range(inner, size - inner):
t = (x - inner) / max(1, size - 2 * inner)
col = _lerp(CYAN, GREEN, (t + t0) * 0.5)
draw.point((x, inner + i), fill=col)
draw.point((x, size - inner - 1 - i), fill=col)
for y in range(inner, size - inner):
t = (y - inner) / max(1, size - 2 * inner)
col = _lerp(CYAN, GREEN, (t + t0) * 0.5)
draw.point((inner + i, y), fill=col)
draw.point((size - inner - 1 - i, y), fill=col)
def sx(v: float) -> int:
return int(v * size / 512)
def sy(v: float) -> int:
return int(v * size / 512)
pts = [(120, 320), (200, 248), (280, 272), (392, 168)]
scaled = [(sx(x), sy(y)) for x, y in pts]
draw.line(scaled, fill=CYAN, width=max(2, size // 26), joint="curve")
ex, ey = scaled[-1]
draw.ellipse(
(ex - size // 28, ey - size // 28, ex + size // 28, ey + size // 28),
fill=GREEN,
)
def candle(cx, top, bottom, body_top, body_bottom, color):
w = max(1, size // 64)
bh = max(2, size // 32)
draw.line((cx, top, cx, bottom), fill=color, width=w)
draw.rounded_rectangle(
(cx - bh, body_top, cx + bh, body_bottom),
radius=max(1, bh // 3),
fill=color,
)
candle(sx(182), sy(248), sy(340), sy(268), sy(332), RED)
candle(sx(282), sy(200), sy(340), sy(220), sy(316), GREEN)
return img
def render_exchange_icon(size: int, key: str):
from PIL import Image, ImageDraw
cfg = EXCHANGES[key]
accent = cfg["accent"]
panel = cfg["panel"]
label = cfg["label"]
img = Image.new("RGBA", (size, size), (0, 0, 0, 0))
draw = ImageDraw.Draw(img)
m = max(6, size // 12)
r = max(8, size // 6)
_rounded_rect(draw, (m, m, size - m, size - m), r, BG)
inner = m + max(2, size // 28)
_rounded_rect(draw, (inner, inner, size - inner, size - inner), max(6, r - 4), panel)
if size >= 32:
border = max(1, size // 48)
for i in range(border):
x0 = inner + i
y0 = inner + i
x1 = size - inner - 1 - i
y1 = size - inner - 1 - i
if x1 <= x0 or y1 <= y0:
break
draw.rounded_rectangle(
(x0, y0, x1, y1),
radius=max(2, r - 4 - i),
outline=accent,
)
if key == "binance":
# 币安菱形标识
cx = cy = size // 2
s = max(3, int(size * 0.22))
diamond = [(cx, cy - s), (cx + s, cy), (cx, cy + s), (cx - s, cy)]
draw.polygon(diamond, fill=accent)
s2 = max(1, int(s * 0.42))
if s2 < s:
inner_d = [(cx, cy - s2), (cx + s2, cy), (cx, cy + s2), (cx - s2, cy)]
draw.polygon(inner_d, fill=panel)
elif key == "okx":
# OKX 四格方块风格(右下留空)
gap = max(1, size // 48)
cell = max(2, int(size * 0.16))
cx = cy = size // 2
coords = [
(cx - cell - gap // 2, cy - cell - gap // 2),
(cx + gap // 2, cy - cell - gap // 2),
(cx - cell - gap // 2, cy + gap // 2),
]
for x0, y0 in coords:
draw.rectangle((x0, y0, x0 + cell, y0 + cell), fill=accent)
else:
# Gate: 大字 G
font_size = max(10, int(size * 0.42))
font = _font(font_size)
bbox = draw.textbbox((0, 0), label, font=font)
tw, th = bbox[2] - bbox[0], bbox[3] - bbox[1]
x = (size - tw) // 2 - bbox[0]
y = (size - th) // 2 - bbox[1] - max(0, size // 64)
draw.text((x, y), label, font=font, fill=accent)
return img
def write_exchange_svg(key: str, dest_dir: str) -> None:
cfg = EXCHANGES[key]
fill = cfg["svg_fill"]
if key == "binance":
mark = (
f''
f''
)
elif key == "okx":
mark = (
f''
f''
f''
)
else:
mark = (
f'G'
)
svg = f"""
"""
with open(os.path.join(dest_dir, "icon.svg"), "w", encoding="utf-8", newline="\n") as f:
f.write(svg)
def _save_set(out_dir: str, render_fn) -> None:
from PIL import Image
os.makedirs(out_dir, exist_ok=True)
sizes = [16, 32, 48, 180, 192, 512]
images: dict[int, Image.Image] = {}
for sz in sizes:
im = render_fn(sz)
images[sz] = im
name = "apple-touch-icon.png" if sz == 180 else f"icon-{sz}.png"
im.save(os.path.join(out_dir, name), format="PNG", optimize=True)
ico_sizes = [16, 32, 48]
ico_imgs = [images[s] for s in ico_sizes]
ico_imgs[0].save(
os.path.join(out_dir, "favicon.ico"),
format="ICO",
sizes=[(s, s) for s in ico_sizes],
append_images=ico_imgs[1:],
)
def main() -> None:
os.makedirs(OUT, exist_ok=True)
shutil.copy2(os.path.join(REPO, "brand", "icon.svg"), os.path.join(OUT, "icon.svg"))
_save_set(OUT, render_icon)
print(f"DONE hub {OUT}")
for key in EXCHANGES:
dest = os.path.join(OUT, key)
os.makedirs(dest, exist_ok=True)
write_exchange_svg(key, dest)
_save_set(dest, lambda sz, k=key: render_exchange_icon(sz, k))
print(f"DONE {key} {dest}")
if __name__ == "__main__":
main()