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| ** Copyright (C) 2017 Jolla Ltd, author: <gunnar.sletta@jollamobile.com> |
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| ** This file is part of the Qt Graphical Effects module. |
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| |
| import QtQuick 2.12 |
| import QtQuick.Window 2.12 |
| import QtGraphicalEffects.private 1.12 |
| import QtGraphicalEffects 1.12 |
| |
| Item { |
| id: root |
| |
| property variant source |
| property real radius: Math.floor(samples / 2) |
| property int samples: 9 |
| property color color: "black" |
| property real horizontalOffset: 0 |
| property real verticalOffset: 0 |
| property real spread: 0.0 |
| property bool cached: false |
| property bool transparentBorder: true |
| |
| GaussianBlur { |
| id: blur |
| width: parent.width |
| height: parent.height |
| x: Math.round(horizontalOffset) |
| y: Math.round(verticalOffset) |
| source: root.source |
| radius: root.radius * Screen.devicePixelRatio |
| samples: root.samples * Screen.devicePixelRatio |
| _thickness: root.spread |
| transparentBorder: root.transparentBorder |
| |
| |
| _color: root.color; |
| _alphaOnly: true |
| // ignoreDevicePixelRatio: root.ignoreDevicePixelRatio |
| |
| ShaderEffect { |
| x: blur._outputRect.x - parent.x |
| y: blur._outputRect.y - parent.y |
| width: transparentBorder ? blur._outputRect.width : blur.width |
| height: transparentBorder ? blur._outputRect.height : blur.height |
| property variant source: blur._output; |
| } |
| |
| } |
| |
| ShaderEffectSource { |
| id: cacheItem |
| x: -blur._kernelRadius + horizontalOffset |
| y: -blur._kernelRadius + verticalOffset |
| width: blur.width + 2 * blur._kernelRadius |
| height: blur.height + 2 * blur._kernelRadius |
| visible: root.cached |
| smooth: true |
| sourceRect: Qt.rect(-blur._kernelRadius, -blur._kernelRadius, width, height); |
| sourceItem: blur |
| hideSource: visible |
| } |
| |
| |
| } |