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/****************************************************************************
**
** Copyright (C) 2024 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Quick Studio Components.
**
** $QT_BEGIN_LICENSE:GPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
import QtQuick
import Qt.labs.qmlmodels
Item {
id: root
required property Item source
property list<QtObject> effects
property Item background: null
property bool layerBlurVisible: true
property real layerBlurRadius: 0
property bool backgroundBlurVisible: true
property real backgroundBlurRadius: 0
width: root.source.width
height: root.source.height
Component.onCompleted: root.calculateBoundingBox()
function clamp(input: real, min: real, max: real): real {
if (isNaN(input))
return 0
return Math.max(min, Math.min(input, max))
}
property rect effectBoundingBox: Qt.rect(0, 0, 0, 0)
function calculateBoundingBox() {
let x = 0
let y = 0
let width = root.width
let height = root.height
for (let i = 0; i < repeater.count; ++i) {
let item = repeater.itemAt(i)
if (item === null || !(item instanceof DesignDropShadowPrivate))
continue
let childRect = item.boundingBox
x = Math.min(x, childRect.x)
y = Math.min(y, childRect.y)
width = Math.max(width, childRect.width)
height = Math.max(height, childRect.height)
width += Math.max(0, -x) // TODO Understand
height += Math.max(0, -y)
}
root.effectBoundingBox = Qt.rect(x, y, width, height)
}
DesignLayerBlurPrivate {
id: layerBlur
visible: root.layerBlurVisible
radius: root.clamp(root.layerBlurRadius, 0, 250)
source: layerBlurSource
x: root.effectBoundingBox.x - Math.ceil(layerBlur.radius)
y: root.effectBoundingBox.y - Math.ceil(layerBlur.radius)
}
ShaderEffectSource {
id: layerBlurSource
visible: false
width: root.effectBoundingBox.width
height: root.effectBoundingBox.height
sourceItem: wrapper
sourceRect: root.effectBoundingBox
hideSource: root.layerBlurVisible
}
Item {
id: wrapper
anchors.fill: parent
DesignBackgroundBlurPrivate {
visible: root.backgroundBlurVisible
&& root.background !== null
&& root.backgroundBlurRadius !== 0
source: root.source
background: root.background
radius: root.clamp(root.backgroundBlurRadius, 0, 250)
}
ShaderEffectSource {
id: shaderEffectSource
visible: true
width: root.width
height: root.height
sourceItem: root.source
hideSource: true
z: 1
}
Repeater {
id: repeater
model: root.effects
delegate: DelegateChooser {
role: "type"
DelegateChoice {
roleValue: "DropShadow"
DesignDropShadowPrivate {
required property var modelData
source: root.source
horizontalOffset: root.clamp(modelData.offsetX, -0xffff, 0xffff)
verticalOffset: root.clamp(modelData.offsetY, -0xffff, 0xffff)
spread: root.clamp(modelData.spread, -2048, 2048)
color: modelData.color
radius: root.clamp(modelData.blur, 0, 250)
showBehind: modelData.showBehind
visible: modelData.visible
onGeometryChanged: root.calculateBoundingBox()
}
}
DelegateChoice {
roleValue: "InnerShadow"
DesignInnerShadowPrivate {
required property var modelData
source: root.source
horizontalOffset: root.clamp(modelData.offsetX, -0xffff, 0xffff)
verticalOffset: root.clamp(modelData.offsetY, -0xffff, 0xffff)
spread: root.clamp(modelData.spread, -2048, 2048)
color: modelData.color
radius: root.clamp(modelData.blur, 0, 250)
visible: modelData.visible
z: 10
}
}
}
}
}
}
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