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Details

Type: Bug
Resolution: Fixed
Priority: P2: Important
Fix Version/s: 6.5.10, 6.8.4, 6.9.2, 6.10.0 Beta1, 6.11.0 FF
Affects Version/s: 6.3.2, 6.4.2, 6.5.3
Component/s: Quick: SceneGraph
Labels:
- Reported_by_support_standard

Commits:
d96f61672 (dev), d88b17313 (6.10), e10fc5eda (6.9), f64bcade5 (tqtc/lts-6.8), 4aec9781b (tqtc/lts-6.5)

Description

Grabbing the contents of a window on macOS with device pixel ratio 2 results in an image with the correct physical size, but the rendered content is too small.

#include <QtGui/QGuiApplication>
#include <QtQuick/QQuickWindow>
#include <QtQuick/QQuickItem>
#include <QtQml/QQmlComponent>

int main(int argc, char** argv){
    QGuiApplication app{argc, argv};
    QQuickWindow window;
    window.resize({200, 200});

    QQmlEngine qmlEngine;
    QQmlComponent component{&qmlEngine};          
    component.setData(QByteArrayLiteral("import QtQuick\nRectangle{ color: 'red' }"), {});

    auto* item = qobject_cast<QQuickItem*>(component.create());
    item->setParent(window.contentItem());
    item->setParentItem(window.contentItem());
    item->setSize({200, 200});

    window.grabWindow().save("qt6-test.png");
}