Digital Artifex
103 lines
3.4 KiB
QML
103 lines
3.4 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2024 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of Qt Quick Studio Components.
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**
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** $QT_BEGIN_LICENSE:GPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 or (at your option) any later version
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** approved by the KDE Free Qt Foundation. The licenses are as published by
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** the Free Software Foundation and appearing in the file LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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import QtQuick
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Item {
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id: root
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property real radius: 10
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required property Item source
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readonly property real radiusCeiled: Math.ceil(root.radius)
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readonly property size textureSize: Qt.size(root.width + root.radiusCeiled * 2,
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root.height + root.radiusCeiled * 2)
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readonly property vector2d pixelSize: Qt.vector2d(1.0 / root.textureSize.width,
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1.0 / root.textureSize.height)
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readonly property real sigma: root.radius / 2.7
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visible: true
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width: root.source?.width
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height: root.source?.height
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//Component.onCompleted: console.log("Layer Blur created!")
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ShaderEffectSource {
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id: shaderEffectSource
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visible: false
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width: root.width
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height: root.height
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sourceItem: root.source
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sourceRect: Qt.rect(-root.radiusCeiled, -root.radiusCeiled,
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root.textureSize.width, root.textureSize.height)
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}
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ShaderEffect {
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id: blurHorizontal
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property real blurKernel: root.radius
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property real sigma: root.sigma
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property var src: shaderEffectSource
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property vector2d pixelSize: root.pixelSize.times(Qt.vector2d(1, 0))
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property bool useOffscreenColor: false
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property color offscreenColor: "transparent"
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visible: false
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width: root.textureSize.width
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height: root.textureSize.height
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layer.enabled: true
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layer.smooth: true // Otherwise bluring artifacts
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fragmentShader: "shaders/gaussianBlur.frag.qsb"
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}
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ShaderEffect {
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id: blurVertical
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property real blurKernel: root.radius
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property real sigma: root.sigma
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property var src: blurHorizontal
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property vector2d pixelSize: root.pixelSize.times(Qt.vector2d(0, 1))
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property bool useOffscreenColor: false
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property color offscreenColor: "transparent"
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width: root.textureSize.width
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height: root.textureSize.height
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visible: true
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fragmentShader: "shaders/gaussianBlur.frag.qsb"
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}
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}
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