build_theme

#!/bin/bash

# build an icon theme from svg source - a bit hard coded :P
# (c) Michael Amadio, 2016,2019 - GPLv2

[ -f ./build.conf ] && . ./build.conf
[ -z "$NAME" ] &&  NAME=Generic
[ -z "$COMMENT" ] && COMMENT="An Icon Theme"
THEME="$NAME"
echo "Please wait. Processing $THEME ..."
[ -d "$THEME" ] && rm -r "$THEME"
TMP0=$(mktemp -p /tmp icn.XXXXXXXXX)
TMP1=$(mktemp -p /tmp fix.XXXXXXXXX)
(
cd icons
# find each icon
while read -r line;do
	[ "${line:0:1}" = "#" ] && continue
	[ -z "$line" ] && continue
	# process, construct each icon
	while read -r a b c; do 
		[ -d "../${THEME}/${a}" ] || mkdir -p "../${THEME}/${a}"
		SIZE=${a%/*}
		[ "$SIZE" = 'scalable' ] && SIZE=256 # fix scalable
		while read -r ent;do
			[ -z "$ent" ] && continue # skip blank lines
			if [ "${ent:0:4}" = '<svg' ];then
				if echo "$ent" | grep -q 'xlink';then
					printf "<svg xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" version=\"1.1\" height=\"${SIZE}px\" width=\"${SIZE}px\" viewBox=\"$VIEWBOX\">\n" >> "../${THEME}/${a}/${b}"
				else
					printf "<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\" height=\"${SIZE}px\" width=\"${SIZE}px\" viewBox=\"$VIEWBOX\">\n" >> "../${THEME}/${a}/${b}"
				fi
			elif [ "${ent:0:5}" = '<?xml' -o "${ent:0:6}" = '</svg>' ];then
				printf "%s\n" "${ent}" >> "../${THEME}/${a}/${b}"
			else
				printf "  %s\n" "${ent}" >> "../${THEME}/${a}/${b}"
			fi
		done <<< "$(cat $b)"
		# link(s) to icon if needed
		for link in `echo "$c"`;do
			[ -z "$b" ] && continue
			(cd "../${THEME}/${a}"; ln -sf "$b" "$link")
		done
	done <<< "$line"
done < ../theme.conf
)

# constuct the index.theme
echo '[Icon Theme]' > "${THEME}"/index.theme
echo "Name=${THEME}" >> "${THEME}"/index.theme
echo "Inherits=hicolor" >> "${THEME}"/index.theme
echo "Comment=$COMMENT" >> "${THEME}"/index.theme
echo -n "Directories=" >> "${THEME}"/index.theme
(cd "${THEME}"; find ./16 ./22 ./24 ./32 ./48 ./64 ./scalable -mindepth 1 -type d) > $TMP0
while read -r w;do
	echo -n "${w#*/}," >> $TMP1
done < $TMP0
cat "$TMP1" | sed 's/,$//' >> "${THEME}"/index.theme
rm $TMP1
echo "" >> "${THEME}"/index.theme 
while read -r y;do
	yy=${y#*/}
	py=${yy#*/}
	echo "" >> "${THEME}"/index.theme  
	case $yy in 
		scalable*)
			echo "[${yy}]" >> "${THEME}"/index.theme
			echo "Size=256" >> "${THEME}"/index.theme
			echo "Context=${py^}" >> "${THEME}"/index.theme #first char upper
			echo "Type=Scalable" >> "${THEME}"/index.theme
			echo "MinSize=8" >> "${THEME}"/index.theme
			echo "MaxSize=512" >> "${THEME}"/index.theme
			;;
		*)
			echo "[${yy}]" >> "${THEME}"/index.theme
			SIZE=${yy%/*}
			echo "Size=${SIZE}" >> "${THEME}"/index.theme
			echo "Context=${py^}" >> "${THEME}"/index.theme
			echo "Type=fixed" >> "${THEME}"/index.theme
			;;
	esac
done < $TMP0
rm $TMP0
# move to dir structure
pkg=$PKG # build.conf
mkdir -p ${pkg}/usr/share/icons
cp -arf "$THEME" ${pkg}/usr/share/icons
# build rox desktop theme
if [ "$PUPPY" = 'true' ]; then
	[ -n "$ROXTHEME" ] && roxtheme=$ROXTHEME || roxtheme=${THEME/ /} # replace spaces
	mkdir -p ${pkg}/usr/local/lib/X11/themes/${roxtheme}
	( cd $pkg
	echo -n "Constructing ${roxtheme} ROX desktop icon theme... "
	TGT_DIR=usr/local/lib/X11/themes/${roxtheme}
	SRC_DIR="usr/share/icons/${THEME}/48"
	mkdir -p ${TGT_DIR}
	for m in application-x-compressed.svg application-pet.svg;do
		case $m in
			*compressed*)t=archive.svg;;
			*pet*)t=pet.svg;;
		esac
		cp -af "${SRC_DIR}/mimetypes/$m" ${TGT_DIR}/${t}
	done
	for a in internet.svg chat.svg paint.svg edit.svg libreoffice-calc.svg libreoffice-draw.svg libreoffice-writer.svg calendar.svg terminal.svg mail.svg network.svg module.svg screen_lock.svg multimedia.svg;do
		case $a in
			internet*)u=www.svg;;
			*calc*)u=spread.svg;;
			*draw*)u=draw.svg;;
			*writer*)u=word.svg;;
			calendar*)u=date.svg;;
			terminal*)u=console.svg;;
			mail*)u=email.svg;;
			network*)u=connect.svg;;
			module*)u=utility.svg;;
			screen_lock*)u=lock-screen.svg;;
			chat*|paint*|edit*|multimedia*)u=$a;;
		esac
		cp -af "${SRC_DIR}/apps/$a" ${TGT_DIR}/${u}
	done
	for p in desktop.svg directory.svg trash_full.svg trash_empty.svg;do
		case $p in
			dir*)v=folder.svg;;
			desktop*)v=x.svg;;
			trash_empty*)v=trashcan_empty.svg;;
			trash_full*)v=trashcan_full.svg;;
		esac
		cp -af "${SRC_DIR}/places/$p" ${TGT_DIR}/${v}
	done
	for d in cdrom.svg floppy.svg harddisk.svg disk_usb.svg computer.svg flashcard.svg;do
		case $d in
			cdrom*)w=optical.svg;;
			harddisk*)w=drive.svg;;
			*usb*)w=usbdrv.svg;;
			computer*)w=pc.svg;;
			flashcard*)w=card.svg;;
			*)w=$d;;
		esac
		cp -af "${SRC_DIR}/devices/$d" ${TGT_DIR}/${w}
	done
	for x in save.svg home.svg shutdown.svg;do
		cp -af "${SRC_DIR}/actions/$x" ${TGT_DIR}/${x}
	done
	for c in game.svg preferences.svg dialog-info.svg;do
		case $c in
			game*)y=games.svg;;
			preferences*)y=configuration.svg;;
			*info*)y=help.svg;;
		esac
		cp -af "${SRC_DIR}/categories/$c" ${TGT_DIR}/${y}
	done		
	echo "done!"
	)
fi