247 lines
7.5 KiB
QML
247 lines
7.5 KiB
QML
/****************************************************************************
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**
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** Copyright (C) 2017 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 the Qt Graphical Effects module.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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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 Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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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 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and 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-2.0.html and
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** 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 2.12
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import QtGraphicalEffects.private 1.12
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Item {
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id: rootItem
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property variant source
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property variant maskSource
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property real blur: 0.0
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property bool transparentBorder: false
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property bool cached: false
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SourceProxy {
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id: sourceProxy
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input: rootItem.source
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}
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SourceProxy {
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id: maskSourceProxy
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input: rootItem.maskSource
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}
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ShaderEffectSource {
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id: cacheItem
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anchors.fill: shaderItem
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visible: rootItem.cached
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sourceItem: shaderItem
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live: true
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hideSource: visible
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smooth: rootItem.blur > 0
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}
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property string __internalBlurVertexShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/fastblur_internal.vert"
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property string __internalBlurFragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/fastblur_internal.frag"
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ShaderEffect {
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id: mask0
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property variant source: maskSourceProxy.output
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anchors.fill: parent
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visible: false
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smooth: true
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}
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ShaderEffectSource {
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id: masklevel1
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width: Math.ceil(shaderItem.width / 32) * 32
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height: Math.ceil(shaderItem.height / 32) * 32
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sourceItem: mask0
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hideSource: rootItem.visible
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sourceRect: transparentBorder ? Qt.rect(-64, -64, shaderItem.width, shaderItem.height) : Qt.rect(0, 0, 0, 0)
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visible: false
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smooth: rootItem.blur > 0
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}
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ShaderEffect {
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id: level0
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property variant source: sourceProxy.output
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anchors.fill: parent
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visible: false
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smooth: true
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}
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ShaderEffectSource {
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id: level1
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width: Math.ceil(shaderItem.width / 32) * 32
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height: Math.ceil(shaderItem.height / 32) * 32
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sourceItem: level0
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hideSource: rootItem.visible
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sourceRect: transparentBorder ? Qt.rect(-64, -64, shaderItem.width, shaderItem.height) : Qt.rect(0, 0, 0, 0)
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visible: false
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smooth: rootItem.blur > 0
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}
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ShaderEffect {
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id: effect1
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property variant source: level1
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property real yStep: 1/height
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property real xStep: 1/width
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anchors.fill: level2
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visible: false
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smooth: true
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vertexShader: __internalBlurVertexShader
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fragmentShader: __internalBlurFragmentShader
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}
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ShaderEffectSource {
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id: level2
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width: level1.width / 2
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height: level1.height / 2
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sourceItem: effect1
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hideSource: rootItem.visible
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visible: false
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smooth: true
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}
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ShaderEffect {
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id: effect2
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property variant source: level2
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property real yStep: 1/height
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property real xStep: 1/width
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anchors.fill: level3
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visible: false
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smooth: true
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vertexShader: __internalBlurVertexShader
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fragmentShader: __internalBlurFragmentShader
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}
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ShaderEffectSource {
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id: level3
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width: level2.width / 2
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height: level2.height / 2
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sourceItem: effect2
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hideSource: rootItem.visible
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visible: false
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smooth: true
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}
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ShaderEffect {
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id: effect3
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property variant source: level3
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property real yStep: 1/height
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property real xStep: 1/width
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anchors.fill: level4
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visible: false
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smooth: true
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vertexShader: __internalBlurVertexShader
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fragmentShader: __internalBlurFragmentShader
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}
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ShaderEffectSource {
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id: level4
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width: level3.width / 2
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height: level3.height / 2
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sourceItem: effect3
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hideSource: rootItem.visible
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visible: false
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smooth: true
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}
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ShaderEffect {
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id: effect4
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property variant source: level4
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property real yStep: 1/height
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property real xStep: 1/width
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anchors.fill: level5
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visible: false
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smooth: true
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vertexShader: __internalBlurVertexShader
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fragmentShader: __internalBlurFragmentShader
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}
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ShaderEffectSource {
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id: level5
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width: level4.width / 2
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height: level4.height / 2
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sourceItem: effect4
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hideSource: rootItem.visible
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visible: false
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smooth: true
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}
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ShaderEffect {
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id: effect5
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property variant source: level5
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property real yStep: 1/height
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property real xStep: 1/width
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anchors.fill: level6
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visible: false
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smooth: true
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vertexShader: __internalBlurVertexShader
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fragmentShader: __internalBlurFragmentShader
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}
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ShaderEffectSource {
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id: level6
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width: level5.width / 2
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height: level5.height / 2
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sourceItem: effect5
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hideSource: rootItem.visible
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visible: false
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smooth: true
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}
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ShaderEffect {
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id: shaderItem
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property variant mask: masklevel1
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property variant source1: level1
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property variant source2: level2
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property variant source3: level3
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property variant source4: level4
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property variant source5: level5
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property variant source6: level6
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property real lod: Math.sqrt(rootItem.blur) * 1.2 - 0.2
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property real weight1
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property real weight2
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property real weight3
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property real weight4
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property real weight5
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property real weight6
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x: transparentBorder ? -64 : 0
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y: transparentBorder ? -64 : 0
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width: transparentBorder ? parent.width + 128 : parent.width
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height: transparentBorder ? parent.height + 128 : parent.height
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fragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/fastmaskedblur.frag"
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}
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}
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