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How could I register the files do not under the directories of Qt resource system

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

    Hi,

    Have a dedicated folder for your shader files with the corresponding qrc.

    What is your project layout ?

    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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    • S Offline
      S Offline
      stereomatching
      wrote on last edited by
      #3

      bq. What is your project layout ?

      It looks as following(hope I do not misunderstand your question)

      "layout":http://www.flickr.com/photos/92283971@N04/9084832325/

      If my explanation seems foggy, please tell me, I will try my best
      to make it easier to understand.

      If the layout like this is a bad idea, please feel free to criticize it.

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

        You need to keep the qrc in the ShaderEffect folder.

        Where do you load your shaders ? In the application or in the libs ?

        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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        • S Offline
          S Offline
          stereomatching
          wrote on last edited by
          #5

          [quote author="SGaist" date="1371673807"]You need to keep the qrc in the ShaderEffect folder.

          Where do you load your shaders ? In the application or in the libs ?[/quote]

          In the application, the ShaderEffect folder is a collection of a bunch of
          shaders only, without any .pro, .hpp nor .cpp.

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

            Then you only have to add the qrc in your application pro file and you should be good

            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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            • S Offline
              S Offline
              stereomatching
              wrote on last edited by
              #7

              [quote author="SGaist" date="1371712668"]Then you only have to add the qrc in your application pro file and you should be good
              [/quote]

              I add it into my .pro already

              @RESOURCES +=
              qrc.qrc@

              the problem is the resource system of Qt
              do not accept the resources which do not under the folder.

              message of QtCreator when I intent to add the shaders

              The file /Users/Qt/program/libs/ShadersEffects/toGray.fsh is not in a subdirectory of the resource file. You now have the option to copy this file to a valid location.

              parent/libs/ShaderEffects -- the location of my shaders
              parent/apps/colorEnhance -- the location of my app, the .pro and the
              qrc are under this folder

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

                Then try to move the qrc in Shader effects and do

                @
                RESOURCES += ../ShaderEffects/qrc.qrc
                @

                You might also want to change the qrc name to shaders.qrc it would be cleaner

                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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                • S Offline
                  S Offline
                  stereomatching
                  wrote on last edited by
                  #9

                  Thanks for your help, as you suggested, change the qrc name would make the project easier to maintain.

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                  • S Offline
                    S Offline
                    stereomatching
                    wrote on last edited by
                    #10

                    I add the qrc as you suggested, but there area problem

                    After I make my "main.qml" become a file in the qrc
                    the program always complain it cannot find the directory

                    .pro
                    @
                    RESOURCES +=
                    ../../experiment_libs/qmlHelper/shaderSupport/support.qrc \
                    qrc.qrc
                    @

                    main.cpp
                    @
                    #include <QtQuick/QQuickView>
                    #include <QGuiApplication>
                    #include <QtDeclarative/QDeclarativeEngine>
                    #include <QQmlEngine>

                    int main(int argc, char *argv[])
                    {
                    QGuiApplication app(argc, argv);

                    QQuickView view;    
                    view.setResizeMode(QQuickView::SizeRootObjectToView);
                    view.setSource(QStringLiteral("qrc:/main.qml"));
                    view.show();
                    
                    return app.exec();
                    

                    }

                    @

                    main.qml
                    @
                    import QtQuick 2.1

                    import "../../commercial_libs/qmlHelper/shaderSupport"

                    Rectangle {
                    width: 100
                    height: 62

                    Image{
                        anchors.fill: parent
                    
                        source: "file:///Users/et/Downloads/1360800908784.jpg"
                    
                        ImageEffect{
                            source: parent            
                        }
                    }
                    

                    }

                    @

                    error message

                    qrc:/main.qml:3:1: "../../experiment_libs/qmlHelper/shaderSupport": no such directory

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                    • SGaistS Offline
                      SGaistS Offline
                      SGaist
                      Lifetime Qt Champion
                      wrote on last edited by
                      #11

                      The folder where your application is started is not the same as your source folder.

                      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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                      • S Offline
                        S Offline
                        stereomatching
                        wrote on last edited by
                        #12

                        [quote author="SGaist" date="1372248015"]The folder where your application is started is not the same as your source folder.
                        [/quote]
                        Yes, I do not put them in the same folder
                        because it should belongs to other module
                        if this is the limit of qrc, then I have to find another solution

                        ex :
                        1 : copy the files of other folder into my source folder
                        and add them into the qrc, could .pro handle this kind of jobs?
                        Or I have to write some script according to different platforms?
                        Maybe use Qt to write a simple app to handle the cross platform
                        issues would be a better solution

                        2: just wrapped those shader codes as .hpp and .cpp

                        The second solution

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                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #13

                          Wait: what do you want to import from that path ?

                          If it's the shaders, since you have them in your qrc get them from the qrc

                          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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                          • S Offline
                            S Offline
                            stereomatching
                            wrote on last edited by
                            #14

                            Part of them are qrc, part of them are qml components
                            I was confuse by the error messages, looks like I could access
                            the shaders in qrc even it is not under my source folders

                            Now the problem is how could I access the qml do not under
                            my source folder(ImageEffect in main.qml)?

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                            • SGaistS Offline
                              SGaistS Offline
                              SGaist
                              Lifetime Qt Champion
                              wrote on last edited by
                              #15

                              qrc is meant for that, embed the file in your executable so your don't have to get them from your hard drive.

                              Note that it's not a "put in everything" solution. You can't take tones of megabytes and have them built in your executable (I am not saying it's your case, it's just a warning)

                              As for the qml side, I'm sorry but I have not yet any expertise with it. But IIRC there have been several post on the subject

                              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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                              • S Offline
                                S Offline
                                stereomatching
                                wrote on last edited by
                                #16

                                [quote author="SGaist" date="1372251293"]
                                As for the qml side, I'm sorry but I have not yet any expertise with it. But IIRC there have been several post on the subject[/quote]

                                Thanks for your replies, don't worry
                                I have no intent to make every thing become part of my
                                executeable, what I want to do is make sure the resource files
                                like shaders, icons and qml could be loaded without too much
                                headaches.

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