initial commit

2026-09-14 15:31:20 -05:00
commit 438546d84f
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+#!/usr/bin/env bash
+# ---------------------------------------------------------------------------
+#  Generate Catppuccin Macchiato wallpapers with ImageMagick.
+#  Shipping binary images in a config repo is rude, so we synthesise them.
+#    usage: make-wallpaper.sh [output-dir] [WIDTHxHEIGHT]
+# ---------------------------------------------------------------------------
+set -euo pipefail
+
+OUT_DIR="${1:-${XDG_DATA_HOME:-$HOME/.local/share}/wallpapers}"
+GEOM="${2:-3840x2160}"
+W="${GEOM%x*}"
+H="${GEOM#*x}"
+
+# ImageMagick 7 uses `magick`; 6 uses `convert`.
+if command -v magick >/dev/null 2>&1; then IM=(magick)
+elif command -v convert >/dev/null 2>&1; then IM=(convert)
+else
+  echo "make-wallpaper: ImageMagick not found — skipping wallpaper generation" >&2
+  exit 0
+fi
+
+mkdir -p "$OUT_DIR"
+
+base="#24273a"
+mantle="#1e2030"
+crust="#181926"
+mauve="#c6a0f6"
+blue="#8aadf4"
+teal="#8bd5ca"
+pink="#f5bde6"
+
+# --- 1. soft diagonal gradient --------------------------------------------
+"${IM[@]}" -size "${W}x${H}" \
+  "gradient:${mantle}-${crust}" \
+  -rotate 45 -gravity center -extent "${W}x${H}" \
+  -blur 0x24 \
+  "$OUT_DIR/macchiato-gradient.png"
+
+# --- 2. radial glow over the base colour ----------------------------------
+"${IM[@]}" -size "${W}x${H}" "xc:${base}" \
+  \( -size "${W}x${H}" "radial-gradient:${mauve}-${base}" -alpha set -channel A -evaluate multiply 0.22 +channel \) \
+  -compose over -composite \
+  \( -size "${W}x${H}" "radial-gradient:${teal}-${base}" -alpha set -channel A -evaluate multiply 0.12 +channel -roll +$((W/3))+$((H/3)) \) \
+  -compose over -composite \
+  -blur 0x40 \
+  "$OUT_DIR/macchiato-glow.png"
+
+# --- 3. subtle triangle/mosaic texture ------------------------------------
+"${IM[@]}" -size "$((W/12))x$((H/12))" "xc:${base}" \
+  +noise Gaussian -blur 0x2 -normalize \
+  -level 40%,60% \
+  -fill "${base}" -colorize 82% \
+  -resize "${W}x${H}!" -blur 0x3 \
+  "$OUT_DIR/macchiato-texture.png"
+
+# --- 4. flat base, for people who want zero distraction -------------------
+"${IM[@]}" -size "${W}x${H}" "xc:${base}" "$OUT_DIR/macchiato-flat.png"
+
+# --- 5. logo-ish centred mark on the gradient -----------------------------
+"${IM[@]}" "$OUT_DIR/macchiato-gradient.png" \
+  -gravity center \
+  -fill "${mauve}" -stroke none \
+  -draw "circle $((W/2)),$((H/2)) $((W/2)),$((H/2 - H/9))" \
+  -fill "${base}" \
+  -draw "circle $((W/2)),$((H/2)) $((W/2)),$((H/2 - H/9 + H/90))" \
+  -blur 0x1 \
+  "$OUT_DIR/macchiato-ring.png"
+
+echo "wallpapers written to $OUT_DIR:"
+ls -1 "$OUT_DIR"