/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the QML Shaders plugin of the Qt Toolkit.
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** this package.
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****************************************************************************/
import QtQuick 1.0
import Qt.labs.shaders 1.0

Rectangle {
    anchors.fill: parent;
    color: "white"

    Timer {
        running: true
        interval: 2000
        repeat: true
        onTriggered: {
            theSource.live = !theSource.live
            theSource.grab() // This tests grabbing screenshot from static source
        }
    }

    Rectangle {
        id: greenRect
        anchors.fill: parent;
        color: theSource.live ? "green" : "red" // This works if we use grab()
        property int counter: 0
        Text {
            id: counterText
            anchors.centerIn:  parent
            text: greenRect.counter
            font.pixelSize: 48
        }
        Timer {
            running: true
            interval: 100
            repeat: true
            onTriggered: {
                greenRect.counter++
            }
        }
    }

    ShaderEffectSource {
        id: theSource
        sourceItem: greenRect
        hideSource: true
    }

    ShaderEffectItem {
        id: effect
        anchors.fill: parent;
        property variant source: theSource
    }

    Rectangle {
        width: parent.width
        height: 40
        color: "#cc000000"

        Text {
             id: label
             anchors.centerIn:  parent
             text: theSource.live ? "live true (color green, number changes)" : "live false (color red, same number)"
             color: "white"
             font.bold: true
        }
   }
}