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import QtQuick 2.0
Item {
width: 800
height: 800
Canvas {
id: canvas
renderStrategy: Canvas.Immediate
anchors.fill: parent
onPaint: {}
onAvailableChanged: {
// must not run out of memory
for (let i = 0; i < 2000; ++i)
canvas.getContext("2d").getImageData(0, 0, canvas.width, canvas.height);
}
}
}