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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Graphical Effects module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
****************************************************************************/
import QtQuick 2.12
import QtGraphicalEffects.private 1.12
Item {
id: rootItem
property variant source
property real radius: 0.0
property int maximumRadius: 0
property real spread: 0.0
property color color: "white"
property bool cached: false
property bool transparentBorder: false
SourceProxy {
id: sourceProxy
input: rootItem.source
sourceRect: rootItem.transparentBorder ? Qt.rect(-1, -1, parent.width + 2.0, parent.height + 2.0) : Qt.rect(0, 0, 0, 0)
}
ShaderEffectSource {
id: cacheItem
anchors.fill: shaderItem
visible: rootItem.cached
smooth: true
sourceItem: shaderItem
live: true
hideSource: visible
}
GaussianDirectionalBlur {
id: shaderItem
x: transparentBorder ? -maximumRadius - 1 : 0
y: transparentBorder ? -maximumRadius - 1 : 0
width: horizontalBlur.width
height: horizontalBlur.height
horizontalStep: 0.0
verticalStep: 1.0 / parent.height
source: horizontalBlur
radius: rootItem.radius
maximumRadius: rootItem.maximumRadius
transparentBorder: rootItem.transparentBorder
enableColor: true
color: rootItem.color
spread: rootItem.spread
}
GaussianDirectionalBlur {
id: horizontalBlur
width: transparentBorder ? parent.width + 2 * maximumRadius + 2 : parent.width
height: transparentBorder ? parent.height + 2 * maximumRadius + 2 : parent.height
horizontalStep: 1.0 / parent.width
verticalStep: 0.0
source: sourceProxy.output
radius: rootItem.radius
maximumRadius: rootItem.maximumRadius
transparentBorder: rootItem.transparentBorder
visible: false
}
}
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