# Copyright 1999-2003 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: /home/cvsroot/gentoo-x86/eclass/font.eclass,v 1.2 2003/11/17 00:40:59 usata Exp $
#
# Author: MATSUU Takuto <matsuu@gentoo.org>
# Author: Mamoru KOMACHI <usata@gentoo.org>
#
# The font eclass is used for installation and configuration of various
# fonts within the Portage system.
#

# Variables:
# FONTPATH	Defines the path to which bdf/pcf fonts are installed.
# TTFONTPATH	Defines the path to which ttf fonts are installed.

ECLASS="font"
INHERITED="$INHERITED $ECLASS"
DESCRIPTION="Based on the ${ECLASS} eclass"

EXPORT_FUNCTIONS pkg_setup src_install src_compile pkg_postinst pkg_postrm \
	efontdir efontinstall

IUSE="X truetype"
SLOT="0"
if [ -n "`use X`" ] ; then
	newdepend media-fonts/chkfontpath
	newdepend virtual/x11
fi
if [ -n "`use truetype`" ] ; then
	newdepend media-libs/fontconfig	
fi

#
# pkg_setup() : Checks if mkfontdir, encodings dir(USE="X"), mkfontscale
#               and fc-cache (USE="truetype") exist
#
pkg_setup() {
	if [ -n "`use X`" -a ! -x /usr/X11R6/bin/mkfontdir ] ; then
		ewarn "Could not find the mkfontdir binary!"
		die "Please install mkfontdir."
	fi

	if [ -n "`use truetype`" ] ; then
		if [ ! -x /usr/X11R6/bin/mkfontscale -o ! -x /usr/bin/fc-cache ] ; then
			ewarn "Could not find the mkfontscale or fc-cache binaries!"
			die "Please reinstall xfree distribution."
		fi
	fi

	if [ -n "`use X`" -a ! -d /usr/X11R6/lib/X11/fonts/encodings ] ; then
		ewarn "Encodings directory are missing!"
		die "Please restore /usr/X11R6/lib/X11/fonts/encodings."
	fi
}

#
# src_compile() : Converts BDF fonts into PCF format
#
src_compile() {

	if [ -x ./configure ] ; then
		econf || die
		emake || die
	else
		if [ -n "${FONTPATH}" ] ; then
			for f in "`find ${S} -name '*.bdf'`" ; do
				echo "Converting ${f} into ${f%.*}.pcf ..."
				bdftopcf -o ${f%.*}.pcf ${f}
				echo "Gzipping ${f%.*}.pcf ..."
				gzip -9 ${f%.*}.pcf
			done
		fi
	fi
}

#
# src_install() : Installs fonts
#
src_install() {

	[ -n "${FONTPATH}" ] && efontinstall pcf
	[ -n "${TTFONTPATH}" ] && efontinstall ttf

	[ -n "${DOCS}" ] && dodoc ${DOCS}
}

#
# pkg_postinst() : Adds FONTPATH and TTFONTPATH to XF86Config and xfs
#
pkg_postinst() {
	if [ -n "`use X`" ] ; then
		if [ -n "${FONTPATH}" ] ; then
			for fp in "${FONTPATH}" ; do
				if [ -z "`chkfontpath -l | grep " ${fp}"`" ]; then
					ebegin "Adding ${fp} to XF86Config and xfs..."
					chkfontpath -qa ${fp}
					eend $?
				fi
			done
		fi
		if [ -n "${TTFONTPATH}" ] ; then
			for fp in "${TTFONTPATH}" ; do
				if [ -z "`chkfontpath -l | grep " ${fp}"`" ]; then
					ebegin "Adding ${fp} to XF86Config and xfs..."
					chkfontpath -qa ${fp}
					eend $?
				fi
			done
		fi

	fi
	efontdir
}

#
# pkg_postrm() : Removes FONTPATH and TTFONTPATH from XF86Config and xfs
#
pkg_postrm() {
	if [ -n "`use X`" ] ; then
		if [ -n "${FONTPATH}" ] ; then
			for fp in "${FONTPATH}" ; do
				if [ ! -f "${fp}/fonts.dir" -o `head -n 1 "${fp}/fonts.dir"` = "0" ] ; then
					ebegin "Removing ${fp} from XF86Config and xfs..."
					chkfontpath -qr ${fp}
					eend $?
				fi
			done
		fi
		if [ -n "${TTFONTPATH}" ] ; then
			for fp in "${TTFONTPATH}" ; do
				echo ${fp}
				if [ ! -f "${fp}/fonts.dir" -o $(head -n 1 "${fp}/fonts.dir") = "0" ] ; then
					ebegin "Removing ${fp} from XF86Config and xfs..."
					chkfontpath -qr ${fp}
					eend $?
				fi
			done
		fi
	fi
	efontdir
}


#
# efontinstall() : Installs fonts, arguments should be bdf, pcf and/or ttf
#
efontinstall() {

	for action in "$@" ; do
		case $action in
		bdf)
			einfo "Installing bdf fonts..."
			insinto ${FONTPATH:-/usr/share/fonts/${PN}/}
			for f in `find ${S} -name '*.bdf'` ; do
				doins $f
			done
			;;
		pcf)
			einfo "Installing pcf fonts..."
			insinto ${FONTPATH:-/usr/share/fonts/${PN}/}
			for f in `find ${S} -name '*.pcf' -o -name '*.pcf.gz'` ; do
				echo "${f##*/}"
				if [ "${f##*.}" = "pcf" ] ; then
					gzip -9 $f
					doins ${f}.gz
				else
					doins $f
				fi
			done
			;;
		ttf)
			einfo "Installing ttf fonts..."
			insinto ${TTFONTPATH:-/usr/share/fonts/ttf/${PN}/}
			for f in `find ${S} -name '*.ttf'` ; do
				doins $f
			done
			;;
		*)
			ewarn "Unsupported font format."
			;;
		esac
	done
}

#
# efontdir() : Updates X and TrueType fontdir respectively
#
efontdir() {

	# Generate the encodings.dir ...
	/usr/X11R6/bin/mkfontdir -n \
		-e /usr/X11R6/lib/X11/fonts/encodings \
		-e /usr/X11R6/lib/X11/fonts/encodings/large \
		-- /usr/X11R6/lib/X11/fonts/encodings

	ebegin "Scanning font directories"
	if [ -n "${FONTPATH}" ] ; then
		for fp in "${FONTPATH}" ; do
			ebegin " ${fp}"
			# Now generate fonts.dir files ...
			/usr/X11R6/bin/mkfontdir \
				-e /usr/X11R6/lib/X11/fonts/encodings \
				-e /usr/X11R6/lib/X11/fonts/encodings/large \
				-- ${fp} > /dev/null
			eend $?
		done
	fi
	if [ -n "${TTFONTPATH}" ] ; then
		for fp in "${TTFONTPATH}" ; do
			ebegin " ${fp}"
			# Now generate fonts.dir files ...
			/usr/X11R6/bin/mkfontdir \
				-e /usr/X11R6/lib/X11/fonts/encodings \
				-e /usr/X11R6/lib/X11/fonts/encodings/large \
				-- ${fp} > /dev/null

			/usr/X11R6/bin/mkfontscale \
				-e /usr/X11R6/lib/X11/fonts/encodings/encodings.dir \
				${fp} > /dev/null
			cp ${fp}/fonts.scale ${fp}/fonts.dir

			if [ -x /usr/X11R6/bin/xftcache ] ; then
				ebegin "Updating XFT cache"
					# xftcache is broken, but run it anyhow ...
					/usr/X11R6/bin/xftcache ${fp} &> /dev/null
				eend $?
			fi
			eend $?
		done
	fi

	# While we at it, update fontconfig's cache as well
	if [ -n "`use truetype`" -a -x /usr/bin/fc-cache ] ; then
		ebegin "Updating FC cache"
		HOME="/root" /usr/bin/fc-cache
		eend $?
	fi
	eend $?
	# Scanning directories done
}