#242 pngcairo MacOSX overlapped characters

[Maciej Gierada]

Hello,

I found a bug in implementation of pngcairo for GNUOPLOT Version 5.2 patchlevel 7 last modified 2019-05-29 for MacOSX

When using the pngcairo terminal all characters are overlapped (see attached). In contrast, the clasic png terminal prints everything nicely. The pngcairo terminal works smoothly with the previous version of Gnuplot.

Here's the code I'm using

set xlabel "path"
unset xtics
set ylabel "ΔG^{‡} / kJ mol^{-1}"
set ytics mirror
set mytics 5
set term pngcairo font 'Arial,15'  
set output "plot.png"

p 'data' u 1:2 w p lt rgb "black" pt 7 notitle, '' smooth mcspline lt rgb "black" lw 2 notitle, '' u 1:2:(sprintf("%d", \$2)) every 2 w labels notitle offset 2.62, -0.5,

The data file

0   0
0.2 0
1.0 82.41792900
1.2 82.41792900
2.0 -46.49080049
2.2 -46.49080049

Regards,
Maciej Gierada

[Ethan Merritt]

This seems to be a problem with a bad pango library in some Mac installations.
See Bug tracker issue 2194
https://sourceforge.net/p/gnuplot/bugs/2194/