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    <title>PIXI Popup</title>

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<body onload="Doctest.run()">
    <h1>Popup</h1>
    <p>
        This class represents a popup window that can be used to display an arbitrary view. The popup window is a floating container that appears on top of the current activity.
    </p>
    <p>Let's look at some popup examples:</p><br />
    <canvas id="canvas" class="interactive"></canvas>
    <p>
        What you should see: Three popups and a button which opens a popup.
    </p>
    <script class="doctest">
const app = new PIXIApp({
    view: canvas,
    width: 900,
    height: 250,
    transparent: false,
    backgroundColor: 0xcccccc
}).setup().run()

let popup1 = new Popup({
    x: 20,
    y: 20,
    header: 'Popup'
})

let popup2 = new Popup({
    x: 140,
    y: 30,
    padding: 20,
    header: 'Popup',
    content: 'Man kann die Erfahrung nicht\nfrüh genug machen, wie\nentbehrlich man in der\nWelt ist.',
    headerStyle: {fill: 0xaa3322},
    textStyle: {fill: 0x5544ee, fontSize: 10}
})

let popup3 = new Popup({
    x: 330,
    y: 20,
    content: 'Man sollte alle Tage wenigstens ein kleines Lied hören, ein gutes Gedicht lesen,\nein treffliches Gemälde sehen und, wenn es möglich zu machen wäre,\neinige vernünftige Worte sprechen.'
})

let button1 = new Button({
    x: 20,
    y: 160,
    icon: 'speaker_notes',
    action: () => {
        app.scene.addChild(new Popup({
            x: 100,
            y: 100,
            closeButton: true,
            header: 'Die Kunst ist eine Vermittlerin des Unaussprechlichen.',
            stroke: 0x336699,
            strokeWidth: 3
        }))
    }
})

app.scene.addChild(popup1, popup2, popup3)
app.scene.addChild(button1)
    </script>
</body>