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#!/bin/sh
# -*- Mode: shell-script -*-
# Copyright (C) 2002 by Chmouel Boudjnah <chmouel@mandrakesoft.com>
# Redistribution of this file is permitted under the terms of the GNU
# Public License (GPL)
# $Id$
: ${splash_dir=/usr/share/bootsplash}
initrd_file=$1
[[ -z $initrd_file ]] && {
echo "You need to specify a initrd file as argument"
exit 1;
}
vgamode=$2
if [[ -z $vgamode || $vgamode == auto ]];then
vgamode=$( $splash_dir/scripts/detect-resolution )
fi
if [[ $vgamode == 800* ]];then
resolution=800x600
elif [[ $vgamode == 1024* ]];then
resolution=1024x768
elif [[ $vgamode == 1280* ]];then
resolution=1280x1024
fi
if [[ -f $splash_dir/images/bootsplash-$resolution.jpg && -f $splash_dir/cfg/bootsplash-$resolution.cfg ]];then
image=$splash_dir/images/bootsplash-$resolution.jpg
config=$splash_dir/cfg/bootsplash-$resolution.cfg
fi
if [[ -n $image ]];then
if [[ -z $config ]];then
echo "Can't find a config files for $resolution";
exit 1;
fi
else #no image
echo "Can't find images for $resolution";
fi
# From SuSe mk_initrd script
function out_byte()
{
let x=$1
echo -en "`printf \\\\%o $x`"
}
function write_int()
{
let tmp1=($1 & 255)
let tmp2=($1>>8)
let tmp2=($tmp2&255)
let tmp3=($1>>16)
let tmp3=($tmp3&255)
let tmp4=($1>>24)
let tmp4=($tmp4&255)
out_byte $tmp1
out_byte $tmp2
out_byte $tmp3
out_byte $tmp4
}
function write_short()
{
let tmp1=($1>>8)
let tmp2=($1&0xff)
out_byte $tmp2
out_byte $tmp1
}
function write_header()
{
# write signature
echo -n "BOOTSPL1"
# write text x coordinate
write_short $1
# write text y coordinate
write_short $2
# write text width
write_short $3
# write text height
write_short $4
# write file length
write_int $5
}
source $config
size=`wc -c<$image`
write_header $tx $ty $tw $th $size >> $initrd_file
cat $image >> $initrd_file
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