From a1e63de8c2d31e81b6c118bd44ea9ac1e3e44227 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Laurens=20Kils-H=C3=BCtten?= <lkh@betola.de>
Date: Sat, 24 Sep 2022 13:48:48 +0200
Subject: [PATCH] added a pink cover

---
 .gitignore |  2 ++
 Makefile   | 17 +++++++++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/.gitignore b/.gitignore
index 27f05a1..8148a41 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@
 *.pdf
 *.toc
 License.tex
+Frontcover.png
+Backcover.png
diff --git a/Makefile b/Makefile
index 78f93be..047f32a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,13 @@
-all: Grenzland1.pdf
+PDF=Grenzland1.pdf
 
 GENPNG=Grenzland-postapo.gen.png Grenzland-praeapo.gen.png\
 	Grenzland-Startarea.gen.png Inseln-Startarea.gen.png
 
 .PRECIOUS: $(GENPNG)
 
-%.pdf: %.tex License.tex $(GENPNG) Coverimage.png Makefile
+all: $(PDF)
+
+%.pdf: %.tex License.tex $(GENPNG) Coverimage.png 
 	pdflatex $<
 
 %.gen.png: %.gen.svg Makefile
@@ -17,6 +19,17 @@ coverart.png: coverart.cfdg Makefile
 License.tex: License.md Makefile
 	pandoc -o $@ $<
 
+Frontcover.png: $(PDF) Makefile 
+	pdftoppm -f 1 -l 1 $< > tmp.png
+	convert +level-colors "#000000","#ff00bb" \
+	tmp.png $@
+
+Backcover.png: $(PDF) Makefile
+	pdftoppm -f 1 -l 1 $< > tmp.png
+	convert +level-colors "#ff00bb","#ff00bb" \
+	-fuzz 100% tmp.png $@
+	rm -f tmp.png
+
 view: all
 	zathura *.pdf &