benchmarks/auto/creation/quick.item/item_size.qml


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import QtQuick 2.0

// Testing the performance of w/h bindings against anchors (item_anchors).
Item {
    id: root;
    property int count: 50;
    property int staticCount: 2500;

    property real t;
    NumberAnimation on t { from: 0; to: 1; duration: 1000; loops: Animation.Infinite }
    onTChanged: {
        repeater.model = 0;
        repeater.model = root.count
    }

    Component.onCompleted: repeater.model = root.count

    Repeater {
        id: repeater
        Item {
            x: Math.random() * (root.width - width)
            y: Math.random() * (root.height - height)
            width: 30
            height: 15

            Item {
                width: parent.width
                height: parent.height
            }
        }
    }
}