/**************************************************************************** ** ** Copyright (C) 2017 Jolla Ltd, author: ** Contact: http://www.qt-project.org/legal ** ** 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 2.0 import QtGraphicalEffects.private 1.0 import QtGraphicalEffects 1.0 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 samples: root.samples _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 } }