fix: show Euro-Office logo in custom title bar

scripts/gen_eo_logo.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python3
+"""Generate Qt-friendly path-only Euro-Office title-bar logos."""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+from fontTools.ttLib import TTFont
+from fontTools.pens.svgPathPen import SVGPathPen
+from fontTools.pens.transformPen import TransformPen
+
+
+def find_font() -> str:
+    candidates = [
+        # nix noto
+        *Path("/nix/store").glob("*/share/fonts/noto/NotoSans.ttf"),
+        *Path("/run/current-system/sw/share/fonts").glob("**/NotoSans.ttf"),
+        "/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
+    ]
+    for c in candidates:
+        p = Path(c)
+        if p.is_file():
+            return str(p)
+    raise SystemExit("No suitable sans font found")
+
+
+def doc_icon_path(x: float, y: float, size: float) -> str:
+    """Simple document mark (fold + lines), path-only."""
+    k = size / 24.0
+
+    def X(v: float) -> float:
+        return x + v * k
+
+    def Y(v: float) -> float:
+        return y + v * k
+
+    r = 2 * k
+    return (
+        f"M{X(6):.3f},{Y(2):.3f} "
+        f"H{X(14):.3f} "
+        f"L{X(20):.3f},{Y(8):.3f} "
+        f"V{Y(20):.3f} "
+        f"A{r:.3f},{r:.3f} 0 0 1 {X(18):.3f},{Y(22):.3f} "
+        f"H{X(6):.3f} "
+        f"A{r:.3f},{r:.3f} 0 0 1 {X(4):.3f},{Y(20):.3f} "
+        f"V{Y(4):.3f} "
+        f"A{r:.3f},{r:.3f} 0 0 1 {X(6):.3f},{Y(2):.3f} Z "
+        f"M{X(14):.3f},{Y(2):.3f} V{Y(8):.3f} H{X(20):.3f} "
+        f"M{X(8):.3f},{Y(13):.3f} H{X(16):.3f} "
+        f"M{X(8):.3f},{Y(17):.3f} H{X(14):.3f}"
+    )
+
+
+def wordmark_path(font_path: str, text: str, text_h: float = 12.0) -> tuple[str, float]:
+    font = TTFont(font_path)
+    glyph_set = font.getGlyphSet()
+    cmap = font.getBestCmap()
+    upem = font["head"].unitsPerEm
+    scale = text_h / upem
+    baseline = 14.5
+
+    x = 0.0
+    chunks: list[str] = []
+    for ch in text:
+        gname = cmap.get(ord(ch))
+        if not gname:
+            raise SystemExit(f"missing glyph for {ch!r}")
+        glyph = glyph_set[gname]
+        pen = SVGPathPen(glyph_set)
+        tpen = TransformPen(pen, (scale, 0, 0, -scale, x, baseline))
+        glyph.draw(tpen)
+        d = pen.getCommands()
+        if d:
+            chunks.append(d)
+        x += glyph.width * scale
+    return " ".join(chunks), x
+
+
+def write_logo(out: Path, fill: str, font_path: str) -> None:
+    icon_size = 14.0
+    icon_x = 1.0
+    icon_y = (20.0 - icon_size) / 2.0
+    gap = 4.0
+    word, word_w = wordmark_path(font_path, "Euro-Office")
+    text_x = icon_x + icon_size + gap
+    total_w = int(text_x + word_w + 2.0 + 0.5)
+    icon_d = doc_icon_path(icon_x, icon_y, icon_size)
+
+    svg = f"""<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="{total_w}" height="20" viewBox="0 0 {total_w} 20" fill="none">
+  <!-- Path-only mark: Qt QSvgRenderer does not reliably draw nested <svg> or <text>. -->
+  <path fill="{fill}" fill-rule="evenodd" d="{icon_d}"/>
+  <g transform="translate({text_x:.3f},0)">
+    <path fill="{fill}" d="{word}"/>
+  </g>
+</svg>
+"""
+    out.write_text(svg)
+    print(f"wrote {out} ({total_w}x20)")
+
+
+def main() -> None:
+    out_dir = Path(sys.argv[1] if len(sys.argv) > 1 else ".")
+    out_dir.mkdir(parents=True, exist_ok=True)
+    font_path = find_font()
+    print("font:", font_path)
+    # light chrome → dark ink; dark chrome → light ink
+    write_logo(out_dir / "logo-light-eo.svg", "#3D4A5C", font_path)
+    write_logo(out_dir / "logo-dark-eo.svg", "#E8EEF5", font_path)
+
+
+if __name__ == "__main__":
+    main()