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[SOLVED] qt font search path

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  • clogwogC Offline
    clogwogC Offline
    clogwog
    wrote on last edited by
    #1

    I have cross compiled qt for arm and installed it to a local directory /rootfs/qt5.1/ on the host
    to install the result i copy the whole qt5.1 directory to my arm machine at /opt/qt5.1/

    added the /opt/qt5.1/lib to my ldconfig
    and my applications seem to find the libQt5Core.so and libQt5Gui.so but the font seems to fall back to an ugly font type.

    • do i need to set an environment variable to /opt/qt5.1/lib/fonts somewhere so qt can find it ?
    • or do i need to copy this directory to /usr/share/fonts in some manner ?

    i tried
    export QT_QWS_FONTDIR=/opt/qt5.1/lib/fonts/
    but it doesn's work. Arial text still gets rendered to something that looks like "times roman"

    thanks,
    tom

    1 Reply Last reply
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    • D Offline
      D Offline
      dreamerindia
      wrote on last edited by
      #2

      hi,

      Are you using tftp debugging?
      Check whether you have the font you used in the target directory?
      It will be somewhere like

      /exports/nfsroot-ccwmx51js/usr/local/QtEmbedded-4.7.1/lib/fonts/

      If its not there then you need to put those fonts in these target directory.

      ~Ravivarman~

      1 Reply Last reply
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      • D Offline
        D Offline
        dreamerindia
        wrote on last edited by
        #3

        hi,

        "may be this link useful for you":http://qt-project.org/forums/viewthread/10102/

        ~Ravivarman~

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        • clogwogC Offline
          clogwogC Offline
          clogwog
          wrote on last edited by
          #4

          no, i'm not using tftp debugging.
          i think the QT_QWS_FONTDIR was misleading from my part as i am running on a small arm system but am using xwindows via the xcb platform.

          i did get strace running and i see it opens the right font files

          @strace ./myapp -platform xcb 2>&1 | grep font
          stat64("/opt/qt5.1/lib/fonts", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
          open("/opt/qt5.1/lib/fonts", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 12
          statfs("/opt/qt5.1/lib/fonts/", {f_type="EXT2_SUPER_MAGIC", f_bsize=4096, f_blocks=3825781, f_bfree=2905339, f_bavail=2710997, f_files=972944, f_ffree=837568, f_fsid={1863152340, 77042593}, f_namelen=255, f_frsize=4096}) = 0
          open("/opt/qt5.1/lib/fonts/c0419bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0582bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0583bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0611bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0632bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0633bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0648bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0649bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/cour.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/courb.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/courbi.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/couri.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/cursor.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSans-Bold.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSans-BoldOblique.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSans-Oblique.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSans.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSansMono-Bold.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSansMono-BoldOblique.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSansMono-Oblique.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSansMono.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSerif-Bold.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSerif-BoldOblique.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSerif-Oblique.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/DejaVuSerif.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l047013t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l047016t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l047033t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l047036t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l048013t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l048016t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l048033t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l048036t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l049013t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l049016t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l049033t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/l049036t.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/UTB_____.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/UTBI____.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/UTI_____.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/UTRG____.pfa", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/Vera.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraBd.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraBI.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraIt.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraMoBd.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraMoBI.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraMoIt.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraMono.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraSe.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/VeraSeBd.ttf", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/c0648bt_.pfb", O_RDONLY) = 12
          open("/opt/qt5.1/lib/fonts/cour.pfa", O_RDONLY) = 15@

          the funny thing is that i set the font to be Arial, 14 in my dialog, yet i do not see it even try to open an arial font. Also it looks like Arial isn't even in the
          /opt/qt5.1/lib/fonts/ directory..

          i guess it could be a cross-compile problem, where a particular font is available on Ubuntu 64 desktop, but not in the default font directory supplied by the qt-everywhere-src release ?

          ps: both tftp debugging and makeqpf look interesting, but i'm not sure if it applies to non-embedded versions of qt ?

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          • clogwogC Offline
            clogwogC Offline
            clogwog
            wrote on last edited by
            #5

            ah found it !
            the arial fonts aren't in the qt package

            • i added

            bq. arialbd.ttf
            arialbi.ttf
            Arial_Black.ttf
            Arial_Bold_Italic.ttf
            Arial_Bold.ttf
            Arial_Italic.ttf
            ariali.ttf
            arial.ttf
            Arial.ttf

            to the qt/lib/fonts directory for my cross compile

            • recompiled
            • copied the font files to my device at /opt/qt5.1/lib/fonts/
            • started the application and it now picks up the Arial fonts

            thanks @dreamerindia for the debug suggestion, it made me think about strace

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            • C Offline
              C Offline
              ChrisW67
              wrote on last edited by
              #6

              Are you legally permitted to distribute those fonts? If you are not (typically the case) then you should use a free equivalent,

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              1
              • D Offline
                D Offline
                dreamerindia
                wrote on last edited by
                #7

                Hi,
                nice you solved it.Edit this forum title and add [Solved]. :-)

                ~Ravivarman~

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                • clogwogC Offline
                  clogwogC Offline
                  clogwog
                  wrote on last edited by
                  #8

                  will do. thanks ! i was looking for a button to mark the item as solved..

                  1 Reply Last reply
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