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Using TTF and how to configure the fontconfig in Linux

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  • SGaistS SGaist

    First thing: are you locked to that old and outdated version of Qt ? If not please upgrade to Qt 5 or if not possible then Qt 4.8.7 which is the latest and last version available for the Qt 4 series.

    I guess that you compiler Qt yourself ? If so, you should add the fontconfig dev packages to your system in order to build Qt with support for it.

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    dynam1te
    wrote on last edited by
    #5

    @SGaist Yes I'm locked to 4.7.2, and I did not set it up myself.
    I got a VirtualMachine with Linux on it and Qt already Setup. That's why my Qt-knowledge is quite small, I startet working with it few weeks ago.

    I hope the fontconfig dev packages are already installed. If not, I can't do it myself, since I don't have an active Internet connection on my workstation.

    My main problem is, that when I try to run QFontDatabase::addApplicationFont(..) I get a -1 as return, although I use a valid .ttf file as parameter and I think the problem leads to fontconfig.

    ATM, this forum is pretty much everything I can rely on.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #6

      Worst case, you can use a USB key to get the package from another station on to your virtual machine unless that something that is also locked.

      Interested in AI ? www.idiap.ch
      Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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      • SGaistS SGaist

        Worst case, you can use a USB key to get the package from another station on to your virtual machine unless that something that is also locked.

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        dynam1te
        wrote on last edited by dynam1te
        #7

        Thanks for the reply @SGaist
        I managed to install freefont on my system, apparently it was not installed already. Now it shows me other errors, that it can't find the include files. Although I have the include files.

        I think either the includes are linked wrong, or I'm missing some installation progress.
        btw. I didn't manage to install the packeges you suggested.

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #8

          Where are your includes installed ?

          Interested in AI ? www.idiap.ch
          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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          • SGaistS SGaist

            Where are your includes installed ?

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            dynam1te
            wrote on last edited by dynam1te
            #9

            @SGaist I thought that I don't have the fontconfig library installed, but I just checked with the command:

            /sbin/ldconfig -p
            

            And it turns out that I do have the library installed. This is what I find:

            libfontconfig.so.1 (libc6,x86-64) => usr/lib/x86_64-linux-gnu/libfontconfig.so.1
            libfontconfig.so.1 (libc6) => usr/lib/i1386-linux-gnu/libfontconfig.so.1
            

            I still couldn't install the fontconfig-dev packages.

            The current error is:

            fontconfig/fontconfig.h: No such file or directory
             #include <fontconfig/fontconfig.h>
            

            What would you suggest to do next?

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            • SGaistS Offline
              SGaistS Offline
              SGaist
              Lifetime Qt Champion
              wrote on last edited by
              #10

              You won't have the headers if you don't have the dev package installed. Like I suggested before, you can grab the package for the repositories of the distribution running on your virtual machine and install it.

              Interested in AI ? www.idiap.ch
              Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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              • SGaistS SGaist

                You won't have the headers if you don't have the dev package installed. Like I suggested before, you can grab the package for the repositories of the distribution running on your virtual machine and install it.

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                dynam1te
                wrote on last edited by
                #11

                @SGaist Yeah, I'm trying to get it installed, I get alot of errors though.
                When I run the downloaded .deb (http://packages.ubuntu.com/trusty/libfontconfig1-dev).
                I can't install it via the Software Center.
                And when I run the dpkg command, it won't install. (Errors encountered)

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                • SGaistS Offline
                  SGaistS Offline
                  SGaist
                  Lifetime Qt Champion
                  wrote on last edited by
                  #12

                  Which version of Ubuntu are you running on that virtual machine ?

                  Interested in AI ? www.idiap.ch
                  Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

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                  • SGaistS SGaist

                    Which version of Ubuntu are you running on that virtual machine ?

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                    dynam1te
                    wrote on last edited by
                    #13

                    @SGaist
                    Ubuntu 14.04 LTS
                    64-bit

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                    • SGaistS SGaist

                      Which version of Ubuntu are you running on that virtual machine ?

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                      dynam1te
                      wrote on last edited by dynam1te
                      #14

                      @SGaist I installed fontconfig-config, because it looks like it's a dependency from libfontconfig1 (http://packages.ubuntu.com/trusty/libfontconfig1)

                      I'm not sure if it's because of that, but I managed to get a bit further with the make process.
                      The only errors are variables that are not used.

                      I get a fontconfig file. not sure how I run or use it though.

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                        dynam1te
                        wrote on last edited by
                        #15

                        Final update

                        Installed libfontconfig-dev and all it's dependencies. Thanks for the help.

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                        • LostDeveloperL Offline
                          LostDeveloperL Offline
                          LostDeveloper
                          wrote on last edited by
                          #16
                          This post is deleted!
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                          • LostDeveloperL LostDeveloper

                            This post is deleted!

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                            raven-worxR Offline
                            raven-worx
                            Moderators
                            wrote on last edited by
                            #17

                            @LostDeveloper
                            no need to double post,
                            even not on a 3 year old thread

                            --- SUPPORT REQUESTS VIA CHAT WILL BE IGNORED ---
                            If you have a question please use the forum so others can benefit from the solution in the future

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                              LostDeveloperL Offline
                              LostDeveloper
                              wrote on last edited by
                              #18
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