| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Graphical Effects module. |
| ** |
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| ** |
| ** 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 |
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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 horizontalOffset: 0 |
| property real verticalOffset: 0 |
| property real spread: 0 |
| property color color: "black" |
| property bool cached: false |
| |
| SourceProxy { |
| id: sourceProxy |
| input: rootItem.source |
| } |
| |
| ShaderEffectSource { |
| id: cacheItem |
| anchors.fill: shaderItem |
| visible: rootItem.cached |
| smooth: true |
| sourceItem: shaderItem |
| live: true |
| hideSource: visible |
| } |
| |
| ShaderEffect{ |
| id: shadowItem |
| anchors.fill: parent |
| |
| property variant original: sourceProxy.output |
| property color color: rootItem.color |
| property real horizontalOffset: rootItem.horizontalOffset / rootItem.width |
| property real verticalOffset: rootItem.verticalOffset / rootItem.height |
| |
| visible: false |
| fragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/gaussianinnershadow_shadow.frag" |
| } |
| |
| GaussianDirectionalBlur { |
| id: blurItem |
| anchors.fill: parent |
| horizontalStep: 0.0 |
| verticalStep: 1.0 / parent.height |
| source: horizontalBlur |
| radius: rootItem.radius |
| maximumRadius: rootItem.maximumRadius |
| visible: false |
| } |
| |
| GaussianDirectionalBlur { |
| id: horizontalBlur |
| width: transparentBorder ? parent.width + 2 * maximumRadius : parent.width |
| height: parent.height |
| horizontalStep: 1.0 / parent.width |
| verticalStep: 0.0 |
| source: shadowItem |
| radius: rootItem.radius |
| maximumRadius: rootItem.maximumRadius |
| visible: false |
| } |
| |
| ShaderEffectSource { |
| id: blurredSource |
| sourceItem: blurItem |
| live: true |
| smooth: true |
| } |
| |
| ShaderEffect { |
| id: shaderItem |
| anchors.fill: parent |
| |
| property variant original: sourceProxy.output |
| property variant shadow: blurredSource |
| property real spread: 1.0 - (rootItem.spread * 0.98) |
| property color color: rootItem.color |
| |
| fragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders/gaussianinnershadow.frag" |
| } |
| } |