auto svg to png

tools/svg2png.sh

@@ -0,0 +1,33 @@
+#!/usr/bin/env bash
+# Convert an SVG file to a square PNG using whichever converter is available.
+# Tries, in order: rsvg-convert, inkscape, magick, convert.
+# Usage: svg2png.sh <input.svg> <output.png> [size]
+set -e
+
+in="$1"
+out="$2"
+size="${3:-256}"
+
+[ -f "$in" ] || { echo "svg2png: input not found: $in" >&2; exit 1; }
+
+if command -v rsvg-convert >/dev/null 2>&1; then
+  rsvg-convert -w "$size" -h "$size" -o "$out" "$in" && exit 0
+fi
+
+if command -v inkscape >/dev/null 2>&1; then
+  if inkscape --version 2>/dev/null | grep -Eq 'Inkscape 0\.'; then
+    inkscape -z "$in" -e "$out" -w "$size" -h "$size" && exit 0
+  fi
+  inkscape "$in" --export-type=png --export-filename="$out" -w "$size" -h "$size" && exit 0
+fi
+
+if command -v magick >/dev/null 2>&1; then
+  magick -background none "$in" -resize "${size}x${size}" "$out" && exit 0
+fi
+
+if command -v convert >/dev/null 2>&1; then
+  convert -background none "$in" -resize "${size}x${size}" "$out" && exit 0
+fi
+
+echo "svg2png: no SVG converter found (install librsvg, inkscape or imagemagick)" >&2
+exit 1