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How to save an image from QML Image element?

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  • B Offline
    B Offline
    beemaneni
    wrote on last edited by
    #21

    Hi
    does the above code really draw an image in the given path?
    For me the file gets created but nothing in it... i have given save url as "/storage/sdcard0/a1.png".

    Can u help me ?

    Thanks in Advance,,

    Bala B
    Infinite Computer systems
    Chennai

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    • D Offline
      D Offline
      DonRico
      wrote on last edited by
      #22

      Hi

      I decided to solve this a bit differently. I created a new QML type (c++ class) that takes in image url (local or remote) and spits out local url. In case of beginning http:// or https:// class checks if image is already downloaded from the remote server and in that case spits the local url right out w/o wasting the precious mobile data bandwidth.And then there a QML component that fills out the Image type source property when the local url is returned from my so called "Caching class". If anybody's interest I can strip it out of my project and put it up to github with decent comments.

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      • B Offline
        B Offline
        beemaneni
        wrote on last edited by
        #23

        Hi DonRico
        If u can post that code that would be an great help for me...can u?

        Thanks

        Bala B
        Infinite Computer systems
        Chennai

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        • D Offline
          D Offline
          DonRico
          wrote on last edited by
          #24

          Ok, I'll try to find some spare time to separate it and put it.

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          • D Offline
            D Offline
            DonRico
            wrote on last edited by
            #25

            Ok, the exmaple project is available in https://github.com/DonRico/QT-Image-Caching . There might be some issues since I've written QT for 2mos for now but it should give you the general idea.

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            • jeremy_kJ Offline
              jeremy_kJ Offline
              jeremy_k
              wrote on last edited by
              #26

              Caching can also be handled with a "QQuickImageProvider":https://qt-project.org/doc/qt-5/qquickimageprovider.htmlQQuickImageProvider.

              After defining and register a provider, image urls can be written as "image://ProviderName/path/to/image".

              The same concept exists for Qt 4 in the form of QDeclarativeImageProvider.

              Asking a question about code? http://eel.is/iso-c++/testcase/

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              • C Offline
                C Offline
                chuahanmandis
                Banned
                wrote on last edited by
                #27
                This post is deleted!
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