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Ubuntu10.04, Embeded for arm, I cannot find lipqpng.so in ***/plugins/imageformats???

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  • J Offline
    J Offline
    jiamianshiye
    wrote on last edited by
    #1

    My configure is : ./configure -embedded arm -xplatform /qws/linux-TIarmv7-g++ -host-little-endian -no-pch -no-3dnow -no-cups -nomake examples,demos,docs -no-accessibility -qt-sql-sqlite -no-qt3support -no-javascript-jit -no-script -no-scripttools -qt-zlib -qt-libtiff -qt-libpng -qt-libmng -qt-libjpeg .. And at last i got libqgif.so libqjpeg.so libqsvg.so libqtiff.so libqico.so libqmng.so libqtga.so, but the libqpng.so is missing !

    How to solve the problem ?? My English is poor, its not easy to write tis topic . So thanks for you help in advance.

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    • SGaistS Offline
      SGaistS Offline
      SGaist
      Lifetime Qt Champion
      wrote on last edited by
      #2

      Hi and welcome to devnet,

      I might be wrong but IIRC the png support is built-in by default

      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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      • J Offline
        J Offline
        jiamianshiye
        wrote on last edited by
        #3

        [quote author="SGaist" date="1378295125"]Hi and welcome to devnet, I might be wrong but IIRC the png support is built-in by default[/quote]
        I add code in my code:
        qDebug() << QImageReader::supportedImageFormats ();
        and the result :("bmp", "gif", "ico", "jpeg", "jpg", "mng", "pbm", "pgm", "ppm", "svg", "svgz", "tga", "tif", "tiff", "xbm", "xpm"), there is no png support.
        PS:my qt version :qt-everywhere-opensource-src-4.8.5,

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        • SGaistS Offline
          SGaistS Offline
          SGaist
          Lifetime Qt Champion
          wrote on last edited by
          #4

          Following the configure script, the png support is built-in so you should have it. The fact that it is not listed is however surprising.

          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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          • J Offline
            J Offline
            jiamianshiye
            wrote on last edited by
            #5

            [quote author="SGaist" date="1378366525"]Following the configure script, the png support is built-in so you should have it. The fact that it is not listed is however surprising. [/quote]

            I got it. I copy the lib files QtEmbeded/lib/lib* to my board /usr/lib/ and the png format is loaded perfect.
            Thanks SG.

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

              You're welcome !

              Since it's working now, don't forget to update the thread title prepending [solved] so other forum users may know a solution has been found :)

              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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