Update logo

CLAUDE.md

@@ -147,3 +147,6 @@ than matching the format again elsewhere.
 - File search uses `fs.WalkDir` from `./` and does NOT follow symlinks
 - Hooks use `/bin/sh -c` (Linux/macOS only)
 - `gocsv` library handles CSV marshal/unmarshal via struct tags
+- `scripts/gen-logo.py` regenerates `gitplm-logo.svg` and
+  `gitplm-logo-square.svg` from Fira Code glyph outlines (fontTools); its
+  docstring has the `rsvg-convert` commands for the PNG derivatives

scripts/gen-logo.py

@@ -0,0 +1,74 @@
+"""Generate the [gitplm] logo assets at the repo root.
+
+Renders "[gitplm]" as embedded glyph outlines (no font dependency in the
+SVG) using Fira Code Medium, in phosphor green on black like a classic
+CRT terminal.
+
+Usage:
+    python scripts/gen-logo.py
+    rsvg-convert -w 400 gitplm-logo.svg -o gitplm-logo.png
+    rsvg-convert -w 360 -h 360 gitplm-logo-square.svg -o gitplm-logo-square.png
+
+Requires fontTools and the Fira Code font (path below).
+"""
+from pathlib import Path
+
+from fontTools.misc.transform import Transform
+from fontTools.pens.boundsPen import BoundsPen
+from fontTools.pens.svgPathPen import SVGPathPen
+from fontTools.pens.transformPen import TransformPen
+from fontTools.ttLib import TTFont
+
+FONT = "/usr/share/fonts/TTF/FiraCodeNerdFont-Medium.ttf"
+TEXT = "[gitplm]"
+COLOR = "#33ff33"  # phosphor green
+BG = "#000000"
+
+ROOT = Path(__file__).resolve().parent.parent
+
+font = TTFont(FONT)
+cmap = font.getBestCmap()
+glyphs = font.getGlyphSet()
+
+# Build one combined path, y-flipped (font coords -> SVG coords), advancing x.
+pen = SVGPathPen(glyphs)
+bpen = BoundsPen(glyphs)
+x = 0
+for ch in TEXT:
+    g = glyphs[cmap[ord(ch)]]
+    t = Transform(1, 0, 0, -1, x, 0)
+    g.draw(TransformPen(pen, t))
+    g.draw(TransformPen(bpen, t))
+    x += g.width
+path = pen.getCommands()
+xmin, ymin, xmax, ymax = bpen.bounds
+w, h = xmax - xmin, ymax - ymin
+
+
+def svg(width, height, scale, tx, ty):
+    return f"""<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 {width} {height}" width="{width}" height="{height}">
+  <rect width="{width}" height="{height}" fill="{BG}"/>
+  <g transform="translate({tx:.2f}, {ty:.2f}) scale({scale:.6f})">
+    <path d="{path}" fill="{COLOR}"/>
+  </g>
+</svg>
+"""
+
+
+# Wide wordmark, normalized to 100 px tall.
+pad = 0.30 * h
+s = 100.0 / (h + 2 * pad)
+W = round((w + 2 * pad) * s, 2)
+(ROOT / "gitplm-logo.svg").write_text(
+    svg(W, 100, s, (pad - xmin) * s, (pad - ymin) * s)
+)
+print(f"wrote gitplm-logo.svg {W} x 100")
+
+# Square logo: 360x360, text ~85% of width, centered.
+SQ = 360
+s2 = (SQ * 0.85) / w
+tx = (SQ - w * s2) / 2 - xmin * s2
+ty = (SQ - h * s2) / 2 - ymin * s2
+(ROOT / "gitplm-logo-square.svg").write_text(svg(SQ, SQ, s2, tx, ty))
+print("wrote gitplm-logo-square.svg 360x360")