| /**************************************************************************** |
| ** |
| ** Copyright (C) 2017 The Qt Company Ltd. |
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| ** |
| ** This file is part of the Qt Graphical Effects module. |
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| ** GNU General Public License Usage |
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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 spread: 0.0 |
| property color color: "white" |
| property bool cached: false |
| property bool transparentBorder: false |
| |
| SourceProxy { |
| id: sourceProxy |
| input: rootItem.source |
| sourceRect: rootItem.transparentBorder ? Qt.rect(-1, -1, parent.width + 2.0, parent.height + 2.0) : Qt.rect(0, 0, 0, 0) |
| } |
| |
| ShaderEffectSource { |
| id: cacheItem |
| anchors.fill: shaderItem |
| visible: rootItem.cached |
| smooth: true |
| sourceItem: shaderItem |
| live: true |
| hideSource: visible |
| } |
| |
| GaussianDirectionalBlur { |
| id: shaderItem |
| x: transparentBorder ? -maximumRadius - 1 : 0 |
| y: transparentBorder ? -maximumRadius - 1 : 0 |
| width: horizontalBlur.width |
| height: horizontalBlur.height |
| horizontalStep: 0.0 |
| verticalStep: 1.0 / parent.height |
| source: horizontalBlur |
| radius: rootItem.radius |
| maximumRadius: rootItem.maximumRadius |
| transparentBorder: rootItem.transparentBorder |
| enableColor: true |
| color: rootItem.color |
| spread: rootItem.spread |
| } |
| |
| GaussianDirectionalBlur { |
| id: horizontalBlur |
| width: transparentBorder ? parent.width + 2 * maximumRadius + 2 : parent.width |
| height: transparentBorder ? parent.height + 2 * maximumRadius + 2 : parent.height |
| horizontalStep: 1.0 / parent.width |
| verticalStep: 0.0 |
| source: sourceProxy.output |
| radius: rootItem.radius |
| maximumRadius: rootItem.maximumRadius |
| transparentBorder: rootItem.transparentBorder |
| visible: false |
| } |
| } |