From f3177e66a3659fe111ca60dbaa30e86a780d0477 Mon Sep 17 00:00:00 2001
From: setop <setop@zoocoop.com>
Date: Wed, 14 Dec 2022 01:18:14 +0100
Subject: [PATCH] day 12, draw montain

---
 d12/cmd.txt      |  5 +++++
 d12/draw.awk     | 20 ++++++++++++++++++++
 d12/viewpng.html |  5 +++++
 3 files changed, 30 insertions(+)
 create mode 100644 d12/draw.awk
 create mode 100644 d12/viewpng.html

diff --git a/d12/cmd.txt b/d12/cmd.txt
index 6545496..18212c6 100644
--- a/d12/cmd.txt
+++ b/d12/cmd.txt
@@ -1 +1,6 @@
 pandoc -o fail.pdf -t pdf fail.md
+
+awk -f draw.awk < input >| input.pgm
+convert input.pgm -scale 1600% input.png
+
+base64 input.png | tr -d '\n'
diff --git a/d12/draw.awk b/d12/draw.awk
new file mode 100644
index 0000000..6d56a00
--- /dev/null
+++ b/d12/draw.awk
@@ -0,0 +1,20 @@
+BEGIN { print "P2"
+	print "81 41"
+	print "25"
+}
+{
+	split($0,arr,"")
+	r = ""
+	#for (a in arr) {
+	#	print a, arr[a]
+	#}
+	#nextfile
+	for (i=1;i<=81;i++) {
+		c = arr[i]
+		if (c == "S") { v = 0 }
+		else if (c == "E") { v = 25 }
+		else { v = index("abcdefghijklmnopqrstuvwxyz", c)-1 }
+		r = r " " v
+	}
+	print r
+}
diff --git a/d12/viewpng.html b/d12/viewpng.html
new file mode 100644
index 0000000..b2fb999
--- /dev/null
+++ b/d12/viewpng.html
@@ -0,0 +1,5 @@
+<img>
+<script>
+let img = document.querySelector('img');
+img.src = "data:image/png;base64,"+ window.location.hash.substring(1);
+</script>
\ No newline at end of file