From ff89d05302d21712341e7bc33835d442e43f0f30 Mon Sep 17 00:00:00 2001
From: Nicola Fontana <ntd@entidi.it>
Date: Tue, 31 Dec 2013 18:41:19 +0100
Subject: [PATCH] nodist: extract desktop and web from overview.pdf

Convert the PDF pages of overview.pdf into their raster representations
using ImageMagick. Moved the needed commands into the custom makefile.
---
 nodist/Makefile     | 15 ++++++++++++---
 nodist/overview.tex | 34 +++++++++++++++++++---------------
 2 files changed, 31 insertions(+), 18 deletions(-)

diff --git a/nodist/Makefile b/nodist/Makefile
index 54ed04f4..4bd71d77 100644
--- a/nodist/Makefile
+++ b/nodist/Makefile
@@ -1,20 +1,29 @@
 TEX2PDF=latexmk -silent -quiet -rules- -pdf > /dev/null
 MP2MPS=mpost -interaction=batchmode > /dev/null
+CONVERT=convert -flatten -density 150 -quality 90
 
-all: overview.pdf
+all: overview.pdf desktop.png web.png
 
 overview.pdf: overview.tex symbols-0.mps ALWAYS_OUTDATED
-	@echo "  DOC    overview" ; \
+	@echo "  DOC    overview.pdf" ; \
 	$(TEX2PDF) overview.tex
 
 symbols-0.mps: symbols.mp
 	@echo "  DOC    symbols" ; \
 	$(MP2MPS) symbols.mp
 
+desktop.png: overview.pdf
+	@echo "  DOC    desktop.png" ; \
+	$(CONVERT) overview.pdf[0] desktop.png
+
+web.png: overview.pdf
+	@echo "  DOC    web.png" ; \
+	$(CONVERT) overview.pdf[1] web.png
+
 clean:
 	@echo "  RM     ." ; \
 	latexmk -C -silent ; \
-	rm -f *.mps symbols.log
+	rm -f *.mps symbols.log desktop.png web.png
 
 # ALWAYS_OUTDATED is a dummy phony target needed to force the build:
 # latexmk is the one that will take care of the dependencies.
diff --git a/nodist/overview.tex b/nodist/overview.tex
index ce26ba7d..7e5988c6 100644
--- a/nodist/overview.tex
+++ b/nodist/overview.tex
@@ -1,22 +1,26 @@
-\documentclass[tikz=true,border=20pt]{standalone}
+\documentclass[tikz=true,border=12pt]{standalone}
 
 % Set some useful default
 \tikzset{%
-    node distance=150,
     font=\sffamily\scriptsize,
+    shorten >= 5,
+    shorten <= 5,
+    every label/.style={
+	label distance=20
+    },
     every path/.style={
 	very thick,
 	>=stealth
     },
     every label/.style={
-	font=\sffamily\normalsize
+	font=\sffamily\small
     }
 }
 
 \begin{document}
-\begin{tikzpicture}
+\begin{tikzpicture}[node distance=150]
 
-\node[align=center, label=APPLICATION] (gear)
+\node[label=APPLICATION] (gear)
     {\includegraphics[scale=0.2]{symbols-9}};
 \node[below of=gear, label=below:DATABASE] (database)
     {\includegraphics[scale=0.2]{symbols-1}};
@@ -30,19 +34,19 @@
     {\includegraphics[scale=0.2]{symbols-2}};
 
 \draw [<->] (gear) -- (database);
-\draw [<->] (gear) -- (workstation);
+\draw [<->, shorten <= -5, shorten >= 8] (gear) -- (workstation);
 \draw [->] (gear) -- (adg);
-\draw [->] (adg) -- node[above] {PDF or PS} node[below]{BACKEND} (sheet);
-\draw [->] (adg) -- node[right, align=left] {XLIB\\BACKEND} (workstation);
+\draw [->] (adg) -- node[above=-2] {PDF or PS} node[below=-2]{BACKEND} (sheet);
+\draw [->] (adg) -- node[right=-2, align=left] {XLIB\\BACKEND} (workstation);
 \draw [->] (sheet) -- (printer);
 
-\node[yshift=75] at (adg)
+\node[yshift=60] at (adg)
     {Overview of a typical \textbf{desktop} application};
 
 \end{tikzpicture}
-\begin{tikzpicture}
+\begin{tikzpicture}[node distance=120]
 
-\node[align=center, label=APPLICATION] (gear)
+\node[label=APPLICATION] (gear)
     {\includegraphics[scale=0.2]{symbols-9}};
 \node[below of=gear, label=below:DATABASE] (database)
     {\includegraphics[scale=0.2]{symbols-1}};
@@ -62,16 +66,16 @@
     {\includegraphics[scale=0.2]{symbols-6}};
 
 \draw [<->] (gear) -- (database);
-\draw [<->] (gear) -- (server);
+\draw [<->, shorten <= -5] (gear) -- (server);
 \draw [->] (gear) -- (adg);
-\draw [->] (adg) -- node[above] {PNG, PS or PDF} node[below]{BACKEND} (sheet);
+\draw [->] (adg) -- node[above=-2] {PNG or PDF} node[below=-2]{BACKEND} (sheet);
 \draw [->] (sheet) -- (cloud);
-\draw [<->] (server) -- node[above] {WEB SERVER} (cloud);
+\draw [<->] (server) -- node[above=-2] {HTML} (cloud);
 \draw [<->] (cloud) -- (laptop);
 \draw [<->] (cloud) -- (tablet);
 \draw [<->] (cloud) -- (workstation);
 
-\node[xshift=75, yshift=75] at (adg)
+\node[xshift=75, yshift=60] at (adg)
     {Overview of a typical \textbf{web} application};
 
 \end{tikzpicture}
-- 
2.11.4.GIT