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Diffstat (limited to 'examples/video/qmlvideofx/qml/qmlvideofx/EffectGaussianBlur.qml')
-rw-r--r-- | examples/video/qmlvideofx/qml/qmlvideofx/EffectGaussianBlur.qml | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/examples/video/qmlvideofx/qml/qmlvideofx/EffectGaussianBlur.qml b/examples/video/qmlvideofx/qml/qmlvideofx/EffectGaussianBlur.qml new file mode 100644 index 000000000..5610365a7 --- /dev/null +++ b/examples/video/qmlvideofx/qml/qmlvideofx/EffectGaussianBlur.qml @@ -0,0 +1,83 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// Based on http://www.geeks3d.com/20100909/shader-library-gaussian-blur-post-processing-filter-in-glsl/ + +import QtQuick 2.0 + +Item { +id: root + property alias targetWidth: verticalShader.targetWidth + property alias targetHeight: verticalShader.targetHeight + property alias source: verticalShader.source + + // Constant properties which must be supported by every effect + property int numParameters: 1 + property bool supportsDivider: true + + property real param1Value: 0.5 + property real dividerValue: 0.5 + + Effect { + id: verticalShader + anchors.fill: parent + property real dividerValue: parent.dividerValue + property real blurSize: 4.0 * parent.param1Value / targetHeight + fragmentShaderFilename: "shaders/gaussianblur_v.fsh" + } + + Effect { + id: horizontalShader + anchors.fill: parent + property real dividerValue: parent.dividerValue + property real blurSize: 4.0 * parent.param1Value / targetWidth + fragmentShaderFilename: "shaders/gaussianblur_h.fsh" + source: horizontalShaderSource + + ShaderEffectSource { + id: horizontalShaderSource + sourceItem: verticalShader + smooth: true + hideSource: true + } + } +} + |