#!/bin/bash
# Copies the logos every demo opens and closes with from their sources in media/ into demos/art/:
# the Singe dragon, turned to face left, and lettering for the opening card, the lettering turned near-white to stand on
# black, and Kangaroo Punch's logo made for black, uncompressed, for the closing one.  The demos draw
# them from the SVG at the screen's resolution (demos/kit.lua, K.vector).
set -euo pipefail

REPO=$(cd "$(dirname "$0")/.." && pwd)
ART="$REPO/demos/art"
LETTERING="#f2f2f2"

mkdir -p "$ART"
# The dragon turned to face left, as on Singe's own logo:  everything in the drawing mirrored about the
# middle of its view box.
python3 - "$REPO/media/Dragon.svg" "$ART/dragon.svg" <<'PY'
import re, sys
svg = open(sys.argv[1]).read()
x, y, w, h = (float(v) for v in re.search(r'viewBox="([^"]+)"', svg).group(1).split())
opening = re.search(r'<svg[^>]*>', svg)
svg = svg[:opening.end()] + '<g transform="translate(%g 0) scale(-1 1)">' % (2 * x + w) + svg[opening.end():]
svg = svg.replace('</svg>', '</g></svg>')
open(sys.argv[2], "w").write(svg)
PY
sed "s/fill=\"#000\"/fill=\"$LETTERING\"/" "$REPO/media/SingeText.svg" > "$ART/singeText.svg"
if ! grep -q "fill=\"$LETTERING\"" "$ART/singeText.svg"; then
	echo "SingeText.svg no longer has fill=\"#000\" to recolour" >&2
	exit 1
fi
zcat "$REPO/media/Kangaroo Punch Logo with Text on Black.svgz" > "$ART/kangarooPunch.svg"