Re: Font problem in 2-lines titles with cairo terminals

Thanks for your reply.

libwxgtk2.8-dev:
only libwxgtk3.0-gtk3-devavailable and libwxgtk3.0-gtk3-0v5already installed

libpango1.0-dev:
libpango1.0-devavailable and libpango-1.0-0already installed

libreadline5-dev:
libreadline-dev(8.1-1) available and libreadline8already installed

I'll try this and Tatsuro's advices on a virtual machine first (as I 
wrote, I'm not an long time linux user and I fear to make something 
wrong that might corrupt my system).

Once again, thanks a lot for your help. Step by step I'm going deeper in 
linux knowledge.



Le 16/02/22 à 10:09, Peter Rockett a écrit :
> On 15/02/2022 22:02, hchiPer wrote:
>> The distro I have installed is  Q4OS 4.7 (www.q4os.org). I began 
>> using it because it was said to require few resources and to run 
>> smoothly on rather old machines (mine is more than 10 years old).
>>
>> I installed gnuplot 5.4.2 on another computer under Win10, and the 
>> font problem doesn't happen.
>>
>> I suspect the cause of the problem is in the cairo or pango library, 
>> but I am not sure.
>>
>> I was indeed able to compile 5.4.3, but without the terminals I use 
>> to use (wxt, pngcairo, pdfcairo), it is not very useful.
>
> On Debian (and derivatives) you need to install libwxgtk2.8-dev (for 
> the wxt terminal), libpango1.0-dev (for the cairo terminals) and 
> libreadline5-dev (readline support (editing command lines). Follow the 
> configure/make steps below and you should have wxt and the two cairo 
> terminals. Carefully inspect the final lines of the build output since 
> this tells you what has and has not been included; if anything you 
> need is missing you will need to hunt down the necessary dependency.
>
> Peter
>
>
>>
>> Thanks anyway for all your help :)
>>
>>
>> Le 15/02/22 à 20:47, Norwid Behrnd a écrit :
>>> On Tue, 15 Feb 2022 19:54:56 +0100
>>> hchiPer<[email protected]>  wrote:
>>>
>>>> It seems 5.4.3 brings the solution, but I'm unable to find a .deb
>>>> package. And unluckily I'm not able to compile myself.
>>> Perhaps I missed it, but what is the Linux «based on Debian 11» you
>>> use?  Is it one of the ubuntu family, like Xubuntu?  Is it Linux Mint'
>>> /Mint/, or the LDME 4 closer to Debian than Mint's Mint? Perhaps
>>> something specific to your distribution contributes to the problems
>>> you report which might be beyond reach of Gnuplot.
>>>
>>> Curiosity aside, I just fetched Gnuplot (Version 5.4 patchlevel 3,
>>> last modified 2021-12-24) from sourceforge, decompressed the tar.gz
>>> (4.5 Mo).  The INSTALL file (no file extension) describes well what
>>> has to be done to perform the installation, which starts by entering
>>> the decompressed archive from the terminal.  Then run from the
>>> terminal `./configure`, followed by `make`, and `make check`. For
>>> the then following installation /per se/, you possibly need elevated
>>> administrator privileges, i.e., `sudo make install`.  True, you have
>>> to request `synaptic` once to get GNU Make (e.g., GNU Make 4.3 by
>>> 2020) to run the make command.  In my case, it overwrites synaptic's
>>> earlier installation of Gnuplot 5.4 patchlevel 2 from Debian's
>>> repositories.
>>>
>>> Caveat: The installation based on the sourceforge archive does not
>>> offer you access to wxterm, pngcairo, epscairo, or pdfcairo terminal.
>>> Yet have the postscript terminal instead to generate a .eps with the
>>> two-line plot title with escaped ampersand and both lines in serif
>>> fonts greater than usually seen (by appearance /likely/ a different
>>> serif font than the by Bistream Vera).
>>
>>
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