%PDF-
%PDF-
Mini Shell
Mini Shell
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 2.4
Item {
id: rootItem
property variant source
property real spread: 0.0
property real blur: 0.0
property color color: "white"
property bool transparentBorder: false
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
}
property string __internalBlurVertexShader: "qrc:/QtQuick/Controls/Shaders/blur.vert"
property string __internalBlurFragmentShader: "qrc:/QtQuick/Controls/Shaders/blur.frag"
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)
smooth: true
visible: false
}
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
}
Item {
id: dummysource
width: 1
height: 1
visible: false
}
ShaderEffectSource {
id: dummy
width: 1
height: 1
sourceItem: dummysource
visible: false
smooth: false
live: false
}
ShaderEffect {
id: shaderItem
x: transparentBorder ? -64 : 0
y: transparentBorder ? -64 : 0
width: transparentBorder ? parent.width + 128 : parent.width
height: transparentBorder ? parent.height + 128 : parent.height
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: rootItem.blur
property real weight1;
property real weight2;
property real weight3;
property real weight4;
property real weight5;
property real weight6;
property real spread: 1.0 - (rootItem.spread * 0.98)
property alias color: rootItem.color
function weight(v) {
if (v <= 0.0)
return 1
if (v >= 0.5)
return 0
return 1.0 - v / 0.5
}
function calculateWeights() {
var w1 = weight(Math.abs(lod - 0.100))
var w2 = weight(Math.abs(lod - 0.300))
var w3 = weight(Math.abs(lod - 0.500))
var w4 = weight(Math.abs(lod - 0.700))
var w5 = weight(Math.abs(lod - 0.900))
var w6 = weight(Math.abs(lod - 1.100))
var sum = w1 + w2 + w3 + w4 + w5 + w6;
weight1 = w1 / sum;
weight2 = w2 / sum;
weight3 = w3 / sum;
weight4 = w4 / sum;
weight5 = w5 / sum;
weight6 = w6 / sum;
upateSources()
}
function upateSources() {
var sources = new Array();
var weights = new Array();
if (weight1 > 0) {
sources.push(level1)
weights.push(weight1)
}
if (weight2 > 0) {
sources.push(level2)
weights.push(weight2)
}
if (weight3 > 0) {
sources.push(level3)
weights.push(weight3)
}
if (weight4 > 0) {
sources.push(level4)
weights.push(weight4)
}
if (weight5 > 0) {
sources.push(level5)
weights.push(weight5)
}
if (weight6 > 0) {
sources.push(level6)
weights.push(weight6)
}
for (var j = sources.length; j < 6; j++) {
sources.push(dummy)
weights.push(0.0)
}
source1 = sources[0]
source2 = sources[1]
source3 = sources[2]
source4 = sources[3]
source5 = sources[4]
source6 = sources[5]
weight1 = weights[0]
weight2 = weights[1]
weight3 = weights[2]
weight4 = weights[3]
weight5 = weights[4]
weight6 = weights[5]
}
Component.onCompleted: calculateWeights()
onLodChanged: calculateWeights()
fragmentShader: "qrc:/QtQuick/Controls/Shaders/glow.frag"
}
}
Zerion Mini Shell 1.0