Qt 5.6 | Qt Multimedia | QML Video Shader Effects Example | EffectToon.qml Example File

Qt 5.6.3 Reference Documentation

# EffectToon.qml Example File

multimedia/video/qmlvideofx/qml/qmlvideofx/EffectToon.qml

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the Qt Mobility Components.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** 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 http://www.qt.io/terms-conditions. For further
      ** information use the contact form at http://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 2.1 or version 3 as published by the Free
      ** Software Foundation and appearing in the file LICENSE.LGPLv21 and
      ** LICENSE.LGPLv3 included in the packaging of this file. Please review the
      ** following information to ensure the GNU Lesser General Public License
      ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
      ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
      **
      ** As a special exception, The Qt Company gives you certain additional
      ** rights. These rights are described in The Qt Company LGPL Exception
      ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      import QtQuick 2.0

      Effect {
          parameters: ListModel {
              ListElement {
                  name: "Threshold"
                  value: 0.5
              }
          }

          // Transform slider values, and bind result to shader uniforms
          property real threshold: parameters.get(0).value
          property real targetSize: 250 - (200 * threshold) // TODO: fix ...
          property real resS: targetSize
          property real resT: targetSize

          // TODO
          property real magTol: 0.3
          property real quantize: 8.0

          fragmentShaderFilename: "toon.fsh"
      }