From cd63a06153cbb6ec95fb221b99a463a1f7a8a1d6 Mon Sep 17 00:00:00 2001
From: Peter Hutterer <peter.hutterer@who-t.net>
Date: Wed, 5 Aug 2015 14:47:59 +1000
Subject: [PATCH] tools: add shell script for making the pointer acceleration
 graphs in the docs
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Jonas Ådahl <jadahl@gmail.com>
---
 tools/Makefile.am             |  2 +
 tools/make-ptraccel-graphs.sh | 79 +++++++++++++++++++++++++++++++++++
 2 files changed, 81 insertions(+)
 create mode 100755 tools/make-ptraccel-graphs.sh

diff --git a/tools/Makefile.am b/tools/Makefile.am
index 68e60cbb..8f72db99 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -39,3 +39,5 @@ event_gui_LDADD = ../src/libinput.la libshared.la $(CAIRO_LIBS) $(GTK_LIBS) $(LI
 event_gui_CFLAGS = $(CAIRO_CFLAGS) $(GTK_CFLAGS) $(LIBUDEV_CFLAGS)
 event_gui_LDFLAGS = -no-install
 endif
+
+EXTRA_DIST = make-ptraccel-graphs.sh
diff --git a/tools/make-ptraccel-graphs.sh b/tools/make-ptraccel-graphs.sh
new file mode 100755
index 00000000..901baf9c
--- /dev/null
+++ b/tools/make-ptraccel-graphs.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+tool=`dirname $0`/ptraccel-debug
+gnuplot=/usr/bin/gnuplot
+
+outfile="ptraccel-linear"
+for speed in -1 -0.75 -0.5 -0.25 0 0.5 1; do
+	$tool --mode=accel --dpi=1000 --filter=linear --speed=$speed > $outfile-$speed.gnuplot
+done
+$gnuplot <<EOF
+set terminal svg enhanced background rgb 'white'
+set output "$outfile.svg"
+set xlabel "speed in units/us"
+set ylabel "accel factor"
+set style data lines
+set yrange [0:3]
+set xrange [0:0.003]
+plot "$outfile--1.gnuplot" using 1:2 title "-1.0", \
+	"$outfile--0.75.gnuplot" using 1:2 title "-0.75", \
+	"$outfile--0.5.gnuplot" using 1:2 title "-0.5", \
+	"$outfile--0.25.gnuplot" using 1:2 title "-0.25", \
+	"$outfile-0.gnuplot" using 1:2 title "0.0", \
+	"$outfile-0.5.gnuplot" using 1:2 title "0.5", \
+	"$outfile-1.gnuplot" using 1:2 title "1.0"
+EOF
+
+outfile="ptraccel-low-dpi"
+for dpi in 200 400 800 1000; do
+	$tool --mode=accel --dpi=$dpi --filter=low-dpi > $outfile-$dpi.gnuplot
+done
+
+$gnuplot <<EOF
+set terminal svg enhanced background rgb 'white'
+set output "$outfile.svg"
+set xlabel "speed in units/us"
+set ylabel "accel factor"
+set style data lines
+set yrange [0:5]
+set xrange [0:0.003]
+plot "$outfile-200.gnuplot" using 1:2 title "200dpi", \
+     "$outfile-400.gnuplot" using 1:2 title "400dpi", \
+     "$outfile-800.gnuplot" using 1:2 title "800dpi", \
+     "$outfile-1000.gnuplot" using 1:2 title "1000dpi"
+EOF
+
+outfile="ptraccel-touchpad"
+$tool --mode=accel --dpi=1000 --filter=linear > $outfile-mouse.gnuplot
+$tool --mode=accel --dpi=1000 --filter=touchpad > $outfile-touchpad.gnuplot
+$gnuplot <<EOF
+set terminal svg enhanced background rgb 'white'
+set output "$outfile.svg"
+set xlabel "speed in units/us"
+set ylabel "accel factor"
+set style data lines
+set yrange [0:3]
+set xrange [0:0.003]
+plot "$outfile-mouse.gnuplot" using 1:2 title "linear (mouse)", \
+     "$outfile-touchpad.gnuplot" using 1:2 title "touchpad"
+EOF
+
+outfile="ptraccel-trackpoint"
+$tool --mode=accel --dpi=1000 --filter=linear > $outfile-mouse.gnuplot
+for constaccel in 1 2 3; do
+	dpi=$((1000/$constaccel))
+	$tool --mode=accel --dpi=$dpi --filter=trackpoint > $outfile-trackpoint-$constaccel.gnuplot
+done
+$gnuplot <<EOF
+set terminal svg enhanced background rgb 'white'
+set output "$outfile.svg"
+set xlabel "speed in units/us"
+set ylabel "accel factor"
+set style data lines
+set yrange [0:5]
+set xrange [0:0.003]
+plot "$outfile-mouse.gnuplot" using 1:2 title "linear (mouse)", \
+     "$outfile-trackpoint-1.gnuplot" using 1:2 title "const accel 1", \
+     "$outfile-trackpoint-2.gnuplot" using 1:2 title "const accel 2", \
+     "$outfile-trackpoint-3.gnuplot" using 1:2 title "const accel 3"
+EOF