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Error - QML Image: Cannot open: url

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  • GrecKoG Offline
    GrecKoG Offline
    GrecKo
    Qt Champions 2018
    wrote on last edited by
    #4

    Your pixmap might be in qrc://Game01/pixmap/dice.png
    What's in Res.qrc?
    Also you could see what's in your resources files with the following snippet:

     QDirIterator it(":/", QDirIterator::Subdirectories);
     while (it.hasNext()) 
        qDebug() << it.nextFileInfo();
    
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    • Anton1978A Offline
      Anton1978A Offline
      Anton1978
      wrote on last edited by Anton1978
      #5

      qrc://Game01/pixmap/dice.png not worck too
      Res.qrc - Qt resource file, I added it manually and created a pixmap prefix in it, and later added images to the resource file.

      And this code not found dice.png, Res.qrc only.

      GrecKoG 1 Reply Last reply
      0
      • Anton1978A Anton1978

        qrc://Game01/pixmap/dice.png not worck too
        Res.qrc - Qt resource file, I added it manually and created a pixmap prefix in it, and later added images to the resource file.

        And this code not found dice.png, Res.qrc only.

        GrecKoG Offline
        GrecKoG Offline
        GrecKo
        Qt Champions 2018
        wrote on last edited by
        #6

        @Anton1978 said in Error - QML Image: Cannot open: url:

        And this code not found dice.png, Res.qrc only.

        That's because the RESOURCES parameter in qt_add_qml_module directly adds the listed files to the target's resources. Just list your dice.png here.
        If you want to use a .qrc file use the qt_add_resources CMake function.

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        • Anton1978A Offline
          Anton1978A Offline
          Anton1978
          wrote on last edited by Anton1978
          #7

          it works, but I don't understand why?
          What's wrong with the resource file?
          This works great in QWidget.

          and when assembling webassembly, there are no pictures again, although there is no error.
          And I really want this to be cross-platform.

          GrecKoG 1 Reply Last reply
          0
          • Anton1978A Anton1978

            it works, but I don't understand why?
            What's wrong with the resource file?
            This works great in QWidget.

            and when assembling webassembly, there are no pictures again, although there is no error.
            And I really want this to be cross-platform.

            GrecKoG Offline
            GrecKoG Offline
            GrecKo
            Qt Champions 2018
            wrote on last edited by
            #8

            @Anton1978 said in Error - QML Image: Cannot open: url:

            it works, but I don't understand why?
            What's wrong with the resource file?

            Because the RESOURCES parameter of qt_add_qml_module needs actual files and will generate the qrc automatically. It's not meant to work with .qrc files. Read the doc.

            This works great in QWidget.

            I doubt qt_add_qml_module works great with QWidgets.

            and when assembling webassembly, there are no pictures again, although there is no error.
            And I really want this to be cross-platform.

            That's another problem.

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            • Anton1978A Offline
              Anton1978A Offline
              Anton1978
              wrote on last edited by
              #9

              Ok, this is strange, but this solves the problem

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              • Anton1978A Anton1978 has marked this topic as solved on
              • Anton1978A Offline
                Anton1978A Offline
                Anton1978
                wrote on last edited by
                #10

                oh my god, and again

                qt_add_resources(appTest05 "res"
                    #PREFIX "/res"
                    FILES res/cube_001_mesh.mesh res/heaven.png
                )
                

                This is what I get - where are the two folders from?
                wtf
                And in QML

                        Model {
                            id: cube
                            objectName: "Cube"
                            rotation: Qt.quaternion(0.707107, -0.707107, 0, 0)
                            scale: Qt.vector3d(100, 100, 100)
                            source: "qrc://Test05/res/cube_001_mesh.mesh" //it work
                            materials: [
                                defaultMaterial_material
                            ]
                        }
                

                and

                environment: SceneEnvironment{
                            clearColor: "#222222"
                            backgroundMode: SceneEnvironment.SkyBox
                            lightProbe: Texture{
                                source: "qrc:\res\heaven.png" //not worck
                                source: "qrc://Test05/Resources/res/heaven.png" //not worck
                            }
                            probeExposure: 0.75
                        }
                

                I really don’t understand - now what?

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                • GrecKoG Offline
                  GrecKoG Offline
                  GrecKo
                  Qt Champions 2018
                  wrote on last edited by
                  #11

                  What's your question? Why would the 2 last urls work?
                  Do you expext the 3 different versions to work the same?

                  https://doc.qt.io/qt-6/qt-add-resources.html#arguments-of-the-target-based-variant

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                  • Anton1978A Offline
                    Anton1978A Offline
                    Anton1978
                    wrote on last edited by
                    #12

                    I wrote three versions to make it clear how I tried to fix this
                    source: "qrc://Test05/res/heaven.png" - not work to

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                    • A Offline
                      A Offline
                      ankou29666
                      wrote on last edited by
                      #13

                      normally you write ":/path/to/resource" or "qrc:/path/to/ressource".
                      You should use a single / after qrc: not "qrc://"

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                      0
                      • Anton1978A Offline
                        Anton1978A Offline
                        Anton1978
                        wrote on last edited by
                        #14

                        surprising, but it turned out to be correct qrc:\res\heaven.png
                        Why ?

                        1 Reply Last reply
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