[Gambas-user] Question about gb.cairo

[Rolf-Werner Eilert]

I have used Cairo in a non GUI application, and it runs very well.

Maybe you are using some other function which refers to GUI somewhere in 
the code?

Regards
Rolf



Am 23.05.2016 16:31, schrieb willy at ...3474...:
> Hi all,
>
> I have written a function to make a pdf from data in a mysql database.
> This function is in a library. A command line application
> 'PrintKwartaal' uses this function.
> Goal is to print the pdf on a quarterly base using a cron job on Debain
> server. The cron job starts the Gambas application 'PrintKwartaal', that
> has to make the pdf and print it and next quit.
>
> To write the function is started coding in a GUI environment (Gambas
> 3.6.2 on Linux Mint 17.1 Rebecca), so I could check the layout more
> easily and adjust.
>
> When I run the function in a GUI application, it renders the pdf to the
> location required (and I used Desktop.Open(sPdfFile) to get a preview of
> the pdf to check for layout adjustment).
> So, using Gambas 3.6.2 om Linux Mint 17.1 Rebecca the pdf does get made
> on location sPdfFile
>
> Once I was fine with the layout I wrote the 'PrintKwartaal' application
> using the same function from the library.
> In the function. the 'Desktop.Open(sPdfFile)' was replaced with 'Shell
> "lpr " & sPdfFile Wait' as it is of little use to do a preview of a pdf
> in a non-gui environment.
> And the need is for a printed version of the quarterly overview of the
> table content.
> This change is past the Cairo.End and should be of no influence on the
> rendering of the pdf.
> That is all that changed in the function.
>
> When I run the function in a commandline application 'PrintKwartaal' on
> a non-gui system (Gambas 3.6.2 on Debian 7.10 Wheezy server), it doesn't
> renders the pdf to the location required.
> So, using Gambas 3.6.2 on Debian 7.10 Wheezy the pdf never gets made on
> location sPdfFile
>
> Could it be gb.cairo can be selected as component for a non GUI
> application, but will not work when run in a non GUI environment?
> Or could something else be wrong.
>
> Kindest regards,
>
> gbWilly
>
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