#!/bin/sh

# Render the xfwm4 window decorations from their recoloured SVG sources.

#

# Upstream renders these through Inkscape's shell mode against one big

# baseplate file; the per-button SVGs in xfwm4/assets are 1:1 with their PNGs,

# so rsvg-convert is enough and much faster. Nine frame pieces have no SVG at

# all -- src/recolor-xfwm4-png.py handles those separately.

#

# Run from the theme root:  sh src/render-xfwm4.sh

set -e

command -v rsvg-convert >/dev/null || {

    echo "rsvg-convert not found: doas apk add librsvg" >&2

    exit 1

}

[ -d xfwm4/assets ] || { echo "run me from the theme root" >&2; exit 1; }

render() {   # render <scale> <destination dir>

    scale=$1

    dest=$2

    mkdir -p "$dest"

    n=0

    for svg in xfwm4/assets/*.svg; do

        name=$(basename "$svg" .svg)

        # match the source's own dimensions so each piece keeps its geometry

        w=$(sed -n 's/.*[^-]width="\([0-9.]*\)".*/\1/p' "$svg" | head -1)

        h=$(sed -n 's/.*[^-]height="\([0-9.]*\)".*/\1/p' "$svg" | head -1)

        rsvg-convert -w "$(awk "BEGIN{printf \"%d\", $w * $scale + 0.5}")" \

                     -h "$(awk "BEGIN{printf \"%d\", $h * $scale + 0.5}")" \

                     "$svg" -o "$dest/$name.png"

        n=$((n + 1))

    done

    echo "  $dest: $n"

}

echo "rendering xfwm4 decorations"

render 1   xfwm4

render 1.5 xfwm4/Darkmatter-hdpi/xfwm4

render 2   xfwm4/Darkmatter-xhdpi/xfwm4

python3 src/recolor-xfwm4-png.py