diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/gen-mplus-patch.sh | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/scripts/gen-mplus-patch.sh b/scripts/gen-mplus-patch.sh new file mode 100644 index 0000000..af7634f --- /dev/null +++ b/scripts/gen-mplus-patch.sh @@ -0,0 +1,203 @@ +#!/bin/sh +# +# Generate a patch to add M+ fbcon fonts to Linux(-libre) +# +# Copyright (C) 2019 Patrick McDermott +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +set -eu + +VARIANTS=' + 1m regular 16 22 + 1m bold 16 22 + 1mn regular 16 22 + 1mn bold 16 22 + ' +LF=' +' + +backup_orig() +{ + local f= + + for f in include/linux/font.h lib/fonts/Kconfig lib/fonts/Makefile \ + lib/fonts/fonts.c; do + if ! [ -e "tmp/src/${f}.orig" ]; then + mv "tmp/src/${f}" "tmp/src/${f}.orig" + fi + done +} + +edit_font_h() +{ + local state= + local i= + local line= + local ft= + + exec 3>'tmp/src/include/linux/font.h' + state='want_defs' + i=0 + while IFS='' read -r line; do + if [ x"${state}" = x'want_defs' ] || [ x"${state}" = x'defs' ] + then + case "${line}" in '#define '*'_IDX'*) + state='defs' + printf '%s\n' "${line}" 1>&3 + : $((i += 1)) + continue + esac + fi + if [ x"${state}" = x'defs' ]; then # End of defines + while read fc wt wd ht; do + [ -z "${fc}" ] && continue + ft="MPLUS_$(printf '%s_%s' "${fc}" "${wt}" | \ + tr '[a-z]' '[A-Z]')_${wd}x${ht}_IDX" + printf '#define %s\t%d\n' "${ft}" ${i} 1>&3 + : $((i += 1)) + done <<-EOF + ${VARIANTS} + EOF + state='want_decls' + fi + if [ x"${state}" = x'want_decls' ]; then + case "${line}" in *'struct font_desc'*) + state='decls' + esac + fi + if [ x"${state}" = x'decls' ]; then + case "${line}" in *';') + printf '%s\n' "${line%;}" 1>&3 + while read fc wt wd ht; do + [ -z "${fc}" ] && continue + printf ',\t\t\tfont_mplus_%s_%s'"$(: \ + )"'_%dx%d' "${fc}" "${wt}" \ + "${wd}" "${ht}" 1>&3 + done <<-EOF + ${VARIANTS} + EOF + printf ';\n' 1>&3 + state='end' + continue + esac + printf '%s\n' "${line}" 1>&3 + fi + printf '%s\n' "${line}" 1>&3 + done 0<'tmp/src/include/linux/font.h.orig' + + if ! [ x"${state}" = x'end' ]; then + printf 'Error editing include/linux/font.h\n' 1>&2 + return 1 + fi + + return 0 +} + +edit_kconfig() +{ +} + +edit_makefile() +{ +} + +edit_fonts_c() +{ +} + + +gen_headers() +{ + local mplus_dir="${1}" + shift 1 + local mplus_ver= + + mplus_ver="$(tr '\0' '\n' <"${mplus_dir}/mplus-1m-regular.ttf" | \ + sed -n 's/^Version 1.//p')" + cat <<-EOF + Author: Patrick McDermott <patrick.mcdermott@libiquity.com> + Subject: Add M+ fonts + + Generated from M+ version ${mplus_ver} by ${0} + EOF + return 0 +} + +gen_diff() +{ + local headers="${1}" + shift 1 + local files= + local fc= + local wt= + local wd= + local ht= + local f= + local diff= + local a= + local b= + + files="include/linux/font.h${LF}lib/fonts/Kconfig${LF}" + files="${files}lib/fonts/Makefile${LF}" + while read fc wt wd ht; do + [ -z "${fc}" ] && continue + f="lib/fonts/font_mplus_${fc}_${wt}_${wd}x${ht}.c" + files="${files}${f}${LF}" + done <<-EOF + ${VARIANTS} + EOF + files="${files}lib/fonts/fonts.c${LF}" + + diff='' + for f in ${files}; do + a="tmp/src/${f}" + b="tmp/src/${f}.orig" + case "${f}" in lib/fonts/font_*.c) a='/dev/null';; esac + diff="${diff}diff -Naurp a/${f} b/${f}${LF}" + diff="${diff}--- a/${f}${LF}" + diff="${diff}+++ a/${f}${LF}" + diff="${diff}$(diff -up "${a}" "${b}" | tail -n +3)${LF}" + done + diff="${headers}${LF}---${LF}$(printf '%s' "${diff}" | \ + diffstat)${LF}${diff}" + + return 0 +} + +main() +{ + local mplus_dir= + local bdf2fbcon= + + if [ ${#} -ne 2 ]; then + printf 'Usage: %s <mplus-dir> <bdf2fbcon>\n' "${0}" 1>&2 + return 1 + fi + mplus_dir="${1}" + bdf2fbcon="${2}" + shift 2 + + conv_fonts "${mplus_dir}" "${bdf2fbcon}" + backup_orig + edit_font_h + edit_kconfig + edit_makefile + edit_fonts_c + gen_diff "$(gen_headers "${mplus_dir}")" + + return 0 +} + +main "${@}" |