release nouri 0.6.0 polish backup and pwa

scripts/generate_brand_assets.py

@@ -0,0 +1,106 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from PIL import Image, ImageDraw
+
+
+ROOT = Path(__file__).resolve().parents[1]
+BRAND_DIR = ROOT / "nouri" / "static" / "brand"
+
+BG_TOP = "#F6C394"
+BG_BOTTOM = "#DE9862"
+BOWL = "#FFF7EF"
+STROKE = "#8C533B"
+
+
+def rounded_gradient_icon(size: int, *, maskable: bool = False) -> Image.Image:
+    image = Image.new("RGBA", (size, size), (0, 0, 0, 0))
+    draw = ImageDraw.Draw(image)
+    radius = int(size * (0.28 if maskable else 0.24))
+
+    for y in range(size):
+        blend = y / max(size - 1, 1)
+        r1, g1, b1 = ImageColorTuple(BG_TOP)
+        r2, g2, b2 = ImageColorTuple(BG_BOTTOM)
+        color = (
+            int(r1 + (r2 - r1) * blend),
+            int(g1 + (g2 - g1) * blend),
+            int(b1 + (b2 - b1) * blend),
+            255,
+        )
+        draw.line((0, y, size, y), fill=color)
+
+    mask = Image.new("L", (size, size), 0)
+    ImageDraw.Draw(mask).rounded_rectangle((0, 0, size - 1, size - 1), radius=radius, fill=255)
+    image.putalpha(mask)
+
+    inset = int(size * (0.11 if maskable else 0.13))
+    inner = [inset, inset, size - inset, size - inset]
+    draw.rounded_rectangle(inner, radius=int(radius * 0.84), outline=(255, 255, 255, 54), width=max(2, size // 80))
+
+    bowl_top = int(size * 0.24)
+    bowl_left = int(size * 0.27)
+    bowl_right = int(size * 0.73)
+    bowl_bottom = int(size * 0.68)
+    draw.rounded_rectangle(
+        (bowl_left, bowl_top, bowl_right, bowl_bottom),
+        radius=int(size * 0.16),
+        fill=BOWL,
+    )
+    draw.rounded_rectangle(
+        (int(size * 0.31), int(size * 0.31), int(size * 0.69), int(size * 0.60)),
+        radius=int(size * 0.12),
+        fill=(239, 195, 159, 64),
+    )
+
+    bowl_curve_top = int(size * 0.56)
+    draw.pieslice(
+        (int(size * 0.24), bowl_curve_top, int(size * 0.76), int(size * 0.84)),
+        start=0,
+        end=180,
+        fill=(247, 179, 125, 255),
+    )
+
+    line_width = max(4, size // 26)
+    steam = [
+        (0.50, 0.31),
+        (0.56, 0.31),
+        (0.56, 0.40),
+        (0.45, 0.50),
+        (0.45, 0.58),
+    ]
+    draw.line([(int(size * x), int(size * y)) for x, y in steam], fill=STROKE, width=line_width, joint="curve")
+    draw.line(
+        [(int(size * 0.45), int(size * 0.58)), (int(size * 0.56), int(size * 0.58))],
+        fill=STROKE,
+        width=line_width,
+    )
+    return image
+
+
+def ImageColorTuple(hex_color: str) -> tuple[int, int, int]:
+    hex_color = hex_color.lstrip("#")
+    return tuple(int(hex_color[index:index + 2], 16) for index in (0, 2, 4))
+
+
+def badge_icon(size: int) -> Image.Image:
+    image = Image.new("RGBA", (size, size), (0, 0, 0, 0))
+    draw = ImageDraw.Draw(image)
+    draw.rounded_rectangle((0, 0, size - 1, size - 1), radius=size // 3, fill=BG_BOTTOM)
+    draw.ellipse((size * 0.18, size * 0.18, size * 0.82, size * 0.82), fill=BOWL)
+    draw.rectangle((size * 0.34, size * 0.52, size * 0.66, size * 0.63), fill=STROKE)
+    return image
+
+
+def save_assets() -> None:
+    BRAND_DIR.mkdir(parents=True, exist_ok=True)
+    rounded_gradient_icon(180).save(BRAND_DIR / "pwa-180.png")
+    rounded_gradient_icon(192).save(BRAND_DIR / "pwa-192.png")
+    rounded_gradient_icon(512).save(BRAND_DIR / "pwa-512.png")
+    rounded_gradient_icon(512, maskable=True).save(BRAND_DIR / "pwa-maskable-512.png")
+    badge_icon(96).save(BRAND_DIR / "pwa-badge.png")
+
+
+if __name__ == "__main__":
+    save_assets()