import QtQuick
import QtQuick.Controls
import QtQuick.Effects

Window {
    width: 640
    height: 480
    visible: true
    Item {
        id: item
        anchors.fill: parent
        Rectangle { x: 100; y: 100; height: 100; width: 100; color: 'red'
            Label { anchors.centerIn: parent; text: "abcde" }
        }
        Rectangle { x: 200; y: 200; height: 100; width: 100; color: 'green' }
        Rectangle { x: 300; y: 300; height: 100; width: 100; color: 'blue' }
    }

    MultiEffect {
        source: item
        anchors.fill: item
        blurEnabled: true
        blurMax: 64
        blurMultiplier: 1.0
        blur: 1.0
    }
}