SALAH 0.2: prayer times for Casablanca (Morocco method), chord-tapered round layout

tests/make_icon.py

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+#!/usr/bin/env python3
+"""Convert the user-supplied mosque icon art to a 192x192 RGB Vela app icon.
+
+Proven pipeline (from the sundial v0.5 icon): detect the round disc bounds on the
+mid row/column of the dark-square source, crop square around disc center, apply an
+anti-aliased circular alpha mask (drawn at 4x, LANCZOS down), resize to 192x192,
+flatten to RGB over the dark background color.
+"""
+from PIL import Image, ImageDraw
+
+SRC = "/home/iliasmohuchine/Downloads/ChatGPT Image Sep 9, 2026, 04_42_51 PM.png"
+OUT = "/home/iliasmohuchine/vela-salah/src/common/icon.png"
+
+im = Image.open(SRC).convert("RGB")
+w, h = im.size
+print("source:", im.size)
+
+# detect disc bounds on mid row / mid column (background ~ rgb(17,17,24) dark)
+px = im.load()
+midy, midx = h // 2, w // 2
+BG = px[2, 2]
+print("bg color:", BG)
+
+def is_fg(p):
+    return abs(p[0] - BG[0]) + abs(p[1] - BG[1]) + abs(p[2] - BG[2]) > 40
+
+row = [x for x in range(w) if is_fg(px[x, midy])]
+col = [y for y in range(h) if is_fg(px[midx, y])]
+left, right = min(row), max(row)
+top, bottom = min(col), max(col)
+print("disc bounds: x", left, right, " y", top, bottom)
+
+# square crop around disc center, sized to the larger span
+cx, cy = (left + right) / 2, (top + bottom) / 2
+span = max(right - left, bottom - top)
+half = span / 2 + 2
+box = (int(cx - half), int(cy - half), int(cx + half), int(cy + half))
+disc = im.crop(box)
+print("crop box:", box, "disc size:", disc.size)
+
+# circular alpha mask at 4x
+size = disc.size[0]
+mask = Image.new("L", (size * 4, size * 4), 0)
+d = ImageDraw.Draw(mask)
+d.ellipse((0, 0, size * 4 - 1, size * 4 - 1), fill=255)
+mask = mask.resize((size, size), Image.LANCZOS)
+
+out = disc.convert("RGBA")
+out.putalpha(mask)
+out = out.resize((192, 192), Image.LANCZOS)
+
+# flatten to RGB over dark bg
+bg = Image.new("RGB", (192, 192), BG)
+bg.paste(out, (0, 0), out)
+bg.save(OUT, "PNG")
+print("saved", OUT, bg.size, bg.mode)
+
+# side-by-side montage for preview: source | converted
+src_small = im.copy()
+src_small.thumbnail((192, 192))
+mont = Image.new("RGB", (192 * 2 + 24, 192), (17, 17, 24))
+mont.paste(src_small, (0, 0))
+mont.paste(bg, (192 + 24, 0))
+mont.save("/home/iliasmohuchine/vela-salah/icon-preview.png")
+print("montage saved")