Initial revisionfirst_import

1 files changed, 87 insertions, 0 deletions

diff --git a/scripts/make-boot-splash b/scripts/make-boot-splash
new file mode 100755
index 0000000..45b8c56
--- /dev/null
+++ b/scripts/make-boot-splash
@@ -0,0 +1,87 @@
+#!/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 $initrd_file ]] && {
+    echo "You need to specify a initrd file as argument"
+    exit 1;
+}
+
+vgamode=$( $splash_dir/scripts/detect-resolution )
+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
\ No newline at end of file