更新若干功能

scripts/make-package-tab-icons.py

@@ -0,0 +1,77 @@
+# -*- coding: utf-8 -*-
+"""画套餐底栏 PNG：盒子线稿 / 实心底，微信自定义栏必须用本地图。"""
+import struct
+import zlib
+from pathlib import Path
+
+SIZE = 81
+
+
+def png(rgba_rows):
+    def chunk(tag, data):
+        return struct.pack('>I', len(data)) + tag + data + struct.pack('>I', zlib.crc32(tag + data) & 0xFFFFFFFF)
+
+    raw = b''.join(b'\x00' + bytes(row) for row in rgba_rows)
+    return (
+        b'\x89PNG\r\n\x1a\n'
+        + chunk(b'IHDR', struct.pack('>IIBBBBB', SIZE, SIZE, 8, 6, 0, 0, 0))
+        + chunk(b'IDAT', zlib.compress(raw, 9))
+        + chunk(b'IEND', b'')
+    )
+
+
+def blank():
+    return [[0, 0, 0, 0] * SIZE for _ in range(SIZE)]
+
+
+def set_px(rows, x, y, a=255):
+    if 0 <= x < SIZE and 0 <= y < SIZE:
+        i = x * 4
+        rows[y][i:i + 4] = [28, 25, 23, a]
+
+
+def line(rows, x0, y0, x1, y1, w=3):
+    steps = max(abs(x1 - x0), abs(y1 - y0), 1)
+    for i in range(steps + 1):
+        t = i / steps
+        x = int(round(x0 + (x1 - x0) * t))
+        y = int(round(y0 + (y1 - y0) * t))
+        for dx in range(-w // 2, w // 2 + 1):
+            for dy in range(-w // 2, w // 2 + 1):
+                set_px(rows, x + dx, y + dy)
+
+
+def rect(rows, x, y, w, h, r=4, fill=False):
+    if fill:
+        for yy in range(y, y + h):
+            for xx in range(x, x + w):
+                set_px(rows, xx, yy)
+        return
+    line(rows, x + r, y, x + w - r, y)
+    line(rows, x + w, y + r, x + w, y + h - r)
+    line(rows, x + w - r, y + h, x + r, y + h)
+    line(rows, x, y + h - r, x, y + r)
+
+
+def write_icons(out_dir):
+    out = Path(out_dir)
+    outline = blank()
+    # 盒身
+    rect(outline, 16, 30, 49, 38, 5)
+    line(outline, 16, 44, 65, 44)
+    line(outline, 40, 30, 40, 68)
+    line(outline, 24, 30, 40, 16)
+    line(outline, 40, 16, 56, 30)
+    (out / 'package.png').write_bytes(png(outline))
+
+    filled = blank()
+    rect(filled, 16, 26, 49, 42, 4, fill=True)
+    line(filled, 24, 26, 40, 12)
+    line(filled, 40, 12, 56, 26)
+    (out / 'package-fill.png').write_bytes(png(filled))
+
+
+if __name__ == '__main__':
+    here = Path(__file__).resolve().parents[1] / 'static' / 'tabbar' / 'v2'
+    write_icons(here)
+    print('wrote', here)