Adding SVG to resource with alias and referencing in QML

[SPlatten]

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[jsulm]

@SPlatten said in Adding SVG to resource with alias and referencing in QML:

Are they ?

They are relevant to have a compilable example...

[SPlatten]

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[SPlatten]

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[JoeCFD]

simply:
source: "/images/stale.svg"

[SPlatten]

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[JoeCFD]

@SPlatten Yes. You can drop qrc: and alias + root / is good enough.

[SPlatten]

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[JoeCFD]

@SPlatten without alias you need it.

[SPlatten]

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[JoeCFD]

@SPlatten I see. All of my images have alias. Therefore, no qrc: is needed anywhere. It is good you drop it as well without alias.
I still use qrc for qml files since they do not have alias
resources/qml/main.qml: source: "qrc:/qml/MainScreen.qml"
resources/qml/main.qml: source: "qrc:/qml/SplashScreen.qml"
I will try to remove it and let you know.

Confirmed: qrc is not needed even when resource files do not have alias. qrc: can be dropped completely.
But not sure why Qt did this. The code with or without qrc: should compile
In Qt6 qml module version numbers are dropped. I am using Qt 5.15.2.

[SPlatten]

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[JoeCFD]

@SPlatten what is your Qt version? Is this on Linux?
check the file path in your compiled qrc_images.cpp. All your images are compiled into this file. This is my setting.

<RCC>
    <qresource prefix="/res">
        <file alias="background">images/SplashBackground.png</file>
    </qresource>
</RCC>

    Image { /* background image works */
        anchors.centerIn: parent
        source: "/res/background"
        width: parent.width
        height: parent.height
    }

[SPlatten]

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[SPlatten]

@JoeCFD , I decided to create a simple application to experiment with the resources. I used the same SVG file. The resource file:

<RCC>
    <qresource prefix="/">
        <file alias="stale.svg">stale.svg</file>
        <file>mainWindow.qml</file>
    </qresource>
</RCC>

In the mainwindow:

void MainWindow::paintEvent(QPaintEvent *pobjEvt) {
    Q_UNUSED(pobjEvt);

    QPainter objPainter(this);
    QImage* pobjImage(new QImage(":/stale.svg"));

    bool blnIsNull(pobjImage->isNull());
    qDebug() << QString("Image isNull: %1").arg(((blnIsNull == true) ? "Yes" : "No"));

    objPainter.drawImage(10, 10, *pobjImage);
}

This works absolutely fine and the iamge is displayed correctly. I will not try to use this to figure out why the original isn't working.

[SPlatten]

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[JoeCFD]

Create at least two qrc files: one for images and one for qml. Better not to mix them up.