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