1 files changed, 93 insertions, 0 deletions
diff --git a/demos/video/qmlvideofx/qml/qmlvideofx/EffectMagnify.qml b/demos/video/qmlvideofx/qml/qmlvideofx/EffectMagnify.qml
new file mode 100644
index 0000000000..a55fa37903
--- /dev/null
+++ b/demos/video/qmlvideofx/qml/qmlvideofx/EffectMagnify.qml
@@ -0,0 +1,93 @@
+/****************************************************************************
+**
+** 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.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 1.0
+
+Effect {
+    id: root
+    divider: false
+    parameters: ListModel {
+        ListElement {
+            name: "radius"
+            value: 0.5
+        }
+        ListElement {
+            name: "diffraction"
+            value: 0.5
+        }
+    }
+
+    property real posX: -1
+    property real posY: -1
+
+    QtObject {
+        id: d
+        property real oldTargetWidth: root.targetWidth
+        property real oldTargetHeight: root.targetHeight
+    }
+
+    // Transform slider values, and bind result to shader uniforms
+    property real radius: parameters.get(0).value * 100
+    property real diffractionIndex: parameters.get(1).value
+
+    onTargetWidthChanged: {
+        if (posX == -1)
+            posX = targetWidth / 2
+        else if (d.oldTargetWidth != 0)
+            posX *= (targetWidth / d.oldTargetWidth)
+        d.oldTargetWidth = targetWidth
+    }
+
+    onTargetHeightChanged: {
+        if (posY == -1)
+            posY = targetHeight / 2
+        else if (d.oldTargetHeight != 0)
+            posY *= (targetHeight / d.oldTargetHeight)
+        d.oldTargetHeight = targetHeight
+    }
+
+    fragmentShaderFilename: "shaders/magnify.fsh"
+
+    MouseArea {
+        anchors.fill: parent
+        onPositionChanged: { root.posX = mouse.x; root.posY = root.targetHeight - mouse.y }
+    }
+}