From 4bf500858e0e25821a48835386571d95a299bf77 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Fri, 1 Jan 2021 12:55:27 +0100
Subject: Add svgbob setup for plotting graphics

This reverts commit 208d92f0f5992d8d79cafcab194888a5e33087ff and
adds the setup for svgbob.

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>
---
 doc/paper/Makefile       | 33 +++++++++++++++++++++++++++++++--
 doc/paper/gen/.gitignore |  2 ++
 doc/paper/gen/1.bob      | 12 ++++++++++++
 doc/paper/main.tex       |  2 +-
 doc/paper/shell.nix      |  1 +
 5 files changed, 47 insertions(+), 3 deletions(-)
 create mode 100644 doc/paper/gen/.gitignore
 create mode 100644 doc/paper/gen/1.bob

diff --git a/doc/paper/Makefile b/doc/paper/Makefile
index 4826882..4c6be00 100644
--- a/doc/paper/Makefile
+++ b/doc/paper/Makefile
@@ -29,6 +29,12 @@ ECHO_CMD=$(shell which echo)
 RM_CMD=$(shell which rm)
 
 
+# The svgbob compiler
+SVGBOBC=$(shell which svgbob)
+
+# Inkscape path to compile svg to tex
+INKSCAPEC=$(shell which inkscape)
+
 ##
 ## Flags
 ##
@@ -42,7 +48,7 @@ export MAKE_FLAGS
 #
 # Flags for the latex compilre
 #
-LATEX_FLAGS=-halt-on-error
+LATEX_FLAGS=-halt-on-error -shell-escape
 export LATEX_FLAGS
 
 #
@@ -56,6 +62,9 @@ export ECHO_FLAGS
 #
 RM_FLAGS=-f
 
+# Inkscape flags
+INKSCAPE_FLAGS=-D -o
+
 
 ##
 ## Standard commands
@@ -70,6 +79,8 @@ export ECHO
 RM=$(RM_CMD) $(RM_FLAGS)
 export RM
 
+SVGBOB=$(SVGBOBC)
+INKSCAPE=$(INKSCAPEC) $(INKSCAPE_FLAGS)
 
 ##
 ## Files
@@ -103,6 +114,10 @@ MAKELOG=make.log
 export MAKELOG
 
 
+# All svgbob files
+SVGBOB_ALL_SOURCES=$(shell find gen -name *.bob -type f)
+SVGBOB_FILES=$(patsubst gen/%.bob,%,$(SVGBOB_ALL_SOURCES))
+
 
 
 ##
@@ -116,6 +131,13 @@ export MAKELOG
 SCRIPTS=scripts
 export SCRIPTS
 
+#
+# The directory where are the generator scripts
+#
+GEN_DIR=gen
+export GEN_DIR
+
+
 
 
 ##
@@ -153,7 +175,14 @@ all: $(PDF_FILE)
 #
 test one_time: $(AUX_FILE)
 
+gen_tex: $(SVGBOB_FILES)
 
+# Generate pictures with svgbob
+$(SVGBOB_FILES): %: $(SVGBOB_ALL_SOURCES)
+	@$(ECHO) "\t[SVGBOB]\t$@\t$(GEN_DIR)/$@.svg"
+	@$(SVGBOB) $(GEN_DIR)/$@.bob -o $(GEN_DIR)/$@.svg
+	@$(ECHO) "\t[INKSCAPE]\t$@.svg\t$(GEN_DIR)/$@.pdf"
+	@$(INKSCAPEC) $(INKSCAPE_FLAGS) $(GEN_DIR)/$@.png $(GEN_DIR)/$@.svg 2> /dev/null
 
 
 ##
@@ -164,7 +193,7 @@ test one_time: $(AUX_FILE)
 #
 # Generate main.aux from TeX sources
 #
-$(AUX_FILE): $(LATEX_MAIN_SOURCE)
+$(AUX_FILE): $(LATEX_MAIN_SOURCE) gen_tex
 	@$(ECHO) "\t[LATEX]"
 	@$(LATEX) $(LATEX_FLAGS) -draftmode $< >> $(MAKELOG)
 
diff --git a/doc/paper/gen/.gitignore b/doc/paper/gen/.gitignore
new file mode 100644
index 0000000..c215392
--- /dev/null
+++ b/doc/paper/gen/.gitignore
@@ -0,0 +1,2 @@
+*.svg
+*.png
diff --git a/doc/paper/gen/1.bob b/doc/paper/gen/1.bob
new file mode 100644
index 0000000..a1ddc66
--- /dev/null
+++ b/doc/paper/gen/1.bob
@@ -0,0 +1,12 @@
+Svgbob is a diagramming model
+which uses a set of typing characters
+to approximate the intended shape.
+
+       .---.
+      /-o-/--
+   .-/ / /->
+  ( *  \/
+   '-.  \
+      \ /
+       '
+
diff --git a/doc/paper/main.tex b/doc/paper/main.tex
index f71d05e..953064b 100644
--- a/doc/paper/main.tex
+++ b/doc/paper/main.tex
@@ -229,7 +229,7 @@ copy& More table copy$^{\mathrm{a}}$& &  \\
 \end{table}
 
 \begin{figure}[htbp]
-%\centerline{\includegraphics{fig1.png}}
+\centerline{\includegraphics{gen/1.png}}
 \caption{Example of a figure caption.}
 \label{fig}
 \end{figure}
diff --git a/doc/paper/shell.nix b/doc/paper/shell.nix
index 1c59fbd..3defb8f 100644
--- a/doc/paper/shell.nix
+++ b/doc/paper/shell.nix
@@ -6,6 +6,7 @@ in
 pkgs.mkShell rec {
     buildInputs = [
       pkgs.svgbob
+      pkgs.inkscape
 
       (texlive.combine {
         inherit (texlive)
-- 
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