76 lines
2.2 KiB
Python
76 lines
2.2 KiB
Python
#!/usr/bin/env python3
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"""Genera le icone di harbour-aira (86/108/128/172 px) in icons/<size>/.
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Disegno originale (nessun logo di terzi): sfondo blu sfumato, goccia bianca e
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un punto caldo arancione — acqua calda + pompa di calore.
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Uso: python3 scripts/make_icons.py
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"""
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from PIL import Image, ImageDraw
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import pathlib
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SIZES = [86, 108, 128, 172]
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BASE = 172 # si disegna grande e si ridimensiona: bordi puliti a ogni taglia
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TOP = (12, 62, 130) # blu profondo
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BOTTOM = (24, 148, 190) # azzurro
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WARM = (255, 138, 46) # arancione
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def rounded_mask(size, radius):
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m = Image.new("L", (size, size), 0)
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ImageDraw.Draw(m).rounded_rectangle([0, 0, size - 1, size - 1], radius=radius, fill=255)
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return m
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def gradient(size):
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img = Image.new("RGB", (1, size))
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d = ImageDraw.Draw(img)
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for y in range(size):
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t = y / max(1, size - 1)
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d.point((0, y), tuple(int(TOP[i] + (BOTTOM[i] - TOP[i]) * t) for i in range(3)))
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return img.resize((size, size))
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def draw_icon(size):
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img = gradient(size).convert("RGBA")
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d = ImageDraw.Draw(img)
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# goccia: cerchio + triangolo verso l'alto
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cx = size * 0.5
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cy = size * 0.60
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r = size * 0.19
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d.ellipse([cx - r, cy - r, cx + r, cy + r], fill=(255, 255, 255, 235))
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d.polygon([(cx, cy - 2.35 * r), (cx - r * 0.98, cy + r * 0.10), (cx + r * 0.98, cy + r * 0.10)],
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fill=(255, 255, 255, 235))
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# ricentra la goccia: il triangolo allunga verso l'alto
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shift = -size * 0.05
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img = img.transform(img.size, Image.AFFINE, (1, 0, 0, 0, 1, shift))
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d = ImageDraw.Draw(img)
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# punto caldo in basso a destra, dentro la goccia
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wr = size * 0.085
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wx, wy = cx + r * 0.10, cy + r * 0.30
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for i in range(int(wr), 0, -1):
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a = int(255 * (1 - i / wr) + 90)
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d.ellipse([wx - i, wy - i, wx + i, wy + i], fill=WARM + (a,))
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return img
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def main():
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master = draw_icon(BASE)
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master.putalpha(rounded_mask(BASE, int(BASE * 0.22)))
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for s in SIZES:
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out = master.resize((s, s), Image.LANCZOS)
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outdir = pathlib.Path(f"icons/{s}x{s}")
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outdir.mkdir(parents=True, exist_ok=True)
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path = outdir / "harbour-aira.png"
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out.save(path)
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print("scritto", path)
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if __name__ == "__main__":
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main()
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