view.qml

import QtQuick 1.0

Rectangle {
    id: root
    width: 1024
    height: 768

    Image {
        source: "images/mtsis_tela_balanca_1024.png"
        fillMode: Image.PreserveAspectFit
    }

    Component.onComplete: {
        console.log(root.width);
        console.log(root.height);
    }
}