From 781a02dce68e924fed62f0bb60c6bc74e96dac78 Mon Sep 17 00:00:00 2001
From: Markus Koch <markus@notsyncing.net>
Date: Sat, 16 May 2020 16:29:32 +0200
Subject: [PATCH] Add printer scripts

---
 printer/scripts/convert.sh | 29 ++++++++++++++++++++++++++++
 printer/scripts/print.sh   | 39 ++++++++++++++++++++++++++++++++++++++
 printer/scripts/shared.sh  |  6 ++++++
 3 files changed, 74 insertions(+)
 create mode 100755 printer/scripts/convert.sh
 create mode 100755 printer/scripts/print.sh
 create mode 100755 printer/scripts/shared.sh

diff --git a/printer/scripts/convert.sh b/printer/scripts/convert.sh
new file mode 100755
index 0000000..5cf372e
--- /dev/null
+++ b/printer/scripts/convert.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+source shared.sh
+
+if [ "$1" == "" ]; then
+	echo "usage: $0 <file>"
+	exit;
+fi
+
+mkdir -p out
+rm out/*
+
+echo ".ll $LL" > out/header
+cat "$1" | sed 's/\./\\\&./g' > out/text
+echo ".sp 0" > out/footer
+cat out/header out/text out/footer | nroff -Tascii > out/render
+
+cline=0
+page=1
+while IFS="" read -r p || [ -n "$p" ]
+do
+	cline=$(($cline + 1))
+	if [ $cline -eq $PL ]; then
+		page=$(($page + 1))
+		cline=0
+	fi
+	printf '%s\n' "$p" >> "out/out$page.txt"
+done < out/render
+
+echo "Created $page pages."
diff --git a/printer/scripts/print.sh b/printer/scripts/print.sh
new file mode 100755
index 0000000..18d408e
--- /dev/null
+++ b/printer/scripts/print.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+source shared.sh
+
+ML=$(( (110-$LL) / 2))
+MT=$(( (64 - $PL) / 2 ))
+echo "Margin left: $ML"
+echo "Margin top : $MT"
+echo "Page width : $LL"
+echo "Page length: $PL"
+
+if [ $MT -gt 127 ]; then
+	echo "Margin top > 127 not supported because I am lazy. Is $MT."
+	exit
+fi
+MT=$(( $MT + 128 )) # Set "move by n line bit"
+#exit
+echo -ne $(printf "\\\\x%02x\\\\x%02x" 224 $ML) > /dev/lw35
+MR=$((ML + $LL + 2)); # Plus 2 because bug in FW in conjunction with manual newlines
+echo -ne $(printf "\\\\x%02x\\\\x%02x" 225 $MR) > /dev/lw35
+
+for file in ./out/out*; do
+	foo=""
+	while [ true ]; do
+		echo "Insert a piece of paper and press enter. When you're done, enter y."
+		read foo
+		if [ "$foo" == "y" ]; then
+			break;
+		fi
+		echo -ne "\xE3\x8C" > /dev/lw35 # Draw in until at top of paper
+		echo -ne $(printf "\\\\x%02x\\\\x%02x" 0xE3 $MT) > /dev/lw35 # Move over margin top
+	done
+	echo "Printing part $file..."
+
+	cat $file > /dev/lw35
+	echo "Part done."
+done
+
+echo "Done."
diff --git a/printer/scripts/shared.sh b/printer/scripts/shared.sh
new file mode 100755
index 0000000..fe4a8a5
--- /dev/null
+++ b/printer/scripts/shared.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+
+      # Limits for A4 vertical
+LL=80 # Max 90
+PL=58 # Max 64
+