96 lines
3.8 KiB
Python
96 lines
3.8 KiB
Python
"""Regenerate Tauri/desktop icons from heicode-logo.jpg."""
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from pathlib import Path
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from PIL import Image
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ROOT = Path(__file__).resolve().parent.parent
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SRC = ROOT / "heicode-logo.jpg"
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TAURI_ICONS = ROOT / "cc-haha" / "desktop" / "src-tauri" / "icons"
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PUBLIC = ROOT / "cc-haha" / "desktop" / "public"
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def load_trimmed_square():
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img = Image.open(SRC).convert("RGB")
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# Find bbox of non-white pixels (treat >=250 RGB as white).
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gray = img.convert("L")
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mask = gray.point(lambda v: 0 if v >= 250 else 255)
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bbox = mask.getbbox()
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if bbox:
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img = img.crop(bbox)
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# Pad to square on white.
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w, h = img.size
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side = max(w, h)
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canvas = Image.new("RGB", (side, side), (255, 255, 255))
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canvas.paste(img, ((side - w) // 2, (side - h) // 2))
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return canvas
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def to_rgba_with_transparent_white(img: Image.Image, threshold: int = 248) -> Image.Image:
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rgba = img.convert("RGBA")
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pixels = rgba.load()
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w, h = rgba.size
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for y in range(h):
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for x in range(w):
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r, g, b, _ = pixels[x, y]
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if r >= threshold and g >= threshold and b >= threshold:
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pixels[x, y] = (r, g, b, 0)
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return rgba
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def main():
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base = load_trimmed_square()
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print(f"Trimmed source: {base.size}")
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# PNG outputs (RGB on white → looks correct on any background, matches glass edges).
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sizes = {
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TAURI_ICONS / "32x32.png": 32,
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TAURI_ICONS / "64x64.png": 64,
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TAURI_ICONS / "128x128.png": 128,
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TAURI_ICONS / "128x128@2x.png": 256,
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TAURI_ICONS / "icon.png": 1024,
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PUBLIC / "app-icon.png": 1024,
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}
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for path, size in sizes.items():
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path.parent.mkdir(parents=True, exist_ok=True)
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# Tauri's macOS bundler rejects non-RGBA PNGs ("icon ... is not RGBA").
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# Force RGBA on every PNG output so the same files work for both
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# Windows .ico embedding and macOS .icns embedding without per-platform
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# branches. Alpha channel is fully opaque (255) since we paint on
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# solid white in load_trimmed_square — the rounded glass edges of the
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# logo retain their painted look on any background.
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base.resize((size, size), Image.LANCZOS).convert("RGBA").save(path, "PNG")
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print(f"wrote {path} ({size})")
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# Windows Square*Logo / StoreLogo
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win_sizes = {
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"Square30x30Logo.png": 30,
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"Square44x44Logo.png": 44,
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"Square71x71Logo.png": 71,
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"Square89x89Logo.png": 89,
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"Square107x107Logo.png": 107,
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"Square142x142Logo.png": 142,
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"Square150x150Logo.png": 150,
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"Square284x284Logo.png": 284,
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"Square310x310Logo.png": 310,
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"StoreLogo.png": 50,
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}
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for name, size in win_sizes.items():
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path = TAURI_ICONS / name
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# Tauri's macOS bundler rejects non-RGBA PNGs ("icon ... is not RGBA").
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# Force RGBA on every PNG output so the same files work for both
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# Windows .ico embedding and macOS .icns embedding without per-platform
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# branches. Alpha channel is fully opaque (255) since we paint on
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# solid white in load_trimmed_square — the rounded glass edges of the
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# logo retain their painted look on any background.
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base.resize((size, size), Image.LANCZOS).convert("RGBA").save(path, "PNG")
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print(f"wrote {path} ({size})")
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# ICO with multi-resolution.
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ico_path = TAURI_ICONS / "icon.ico"
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base.save(ico_path, format="ICO", sizes=[(16,16),(24,24),(32,32),(48,48),(64,64),(128,128),(256,256)])
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print(f"wrote {ico_path}")
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# ICNS (PIL supports it). Required sizes: 16,32,64,128,256,512,1024.
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icns_path = TAURI_ICONS / "icon.icns"
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base.save(icns_path, format="ICNS", sizes=[(16,16),(32,32),(64,64),(128,128),(256,256),(512,512),(1024,1024)])
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print(f"wrote {icns_path}")
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if __name__ == "__main__":
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main()
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