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diff --git a/src/datavisualizationqml2/declarativetheme.cpp b/src/datavisualizationqml2/declarativetheme.cpp
new file mode 100644
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+++ b/src/datavisualizationqml2/declarativetheme.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc
+** All rights reserved.
+** For any questions to Digia, please use contact form at http://qt.digia.com
+**
+** This file is part of the QtDataVisualization module.
+**
+** Licensees holding valid Qt Enterprise licenses may use this file in
+** accordance with the Qt Enterprise License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.
+**
+** If you have questions regarding the use of this file, please use
+** contact form at http://qt.digia.com
+**
+****************************************************************************/
+
+#include "declarativetheme_p.h"
+
+QT_DATAVISUALIZATION_BEGIN_NAMESPACE
+
+DeclarativeTheme3D::DeclarativeTheme3D(QObject *parent)
+    : Q3DTheme(parent),
+      m_baseGradient(0),
+      m_singleHLGradient(0),
+      m_multiHLGradient(0)
+{
+}
+
+DeclarativeTheme3D::~DeclarativeTheme3D()
+{
+}
+
+void DeclarativeTheme3D::handleBaseGradientUpdate()
+{
+    if (m_baseGradient)
+        setThemeGradient(*m_baseGradient, GradientTypeBase);
+}
+
+void DeclarativeTheme3D::handleSingleHLGradientUpdate()
+{
+    if (m_singleHLGradient)
+        setThemeGradient(*m_singleHLGradient, GradientTypeSingleHL);
+}
+
+void DeclarativeTheme3D::handleMultiHLGradientUpdate()
+{
+    if (m_multiHLGradient)
+        setThemeGradient(*m_multiHLGradient, GradientTypeMultiHL);
+}
+
+void DeclarativeTheme3D::setBaseGradient(ColorGradient *gradient)
+{
+    // connect new / disconnect old
+    if (gradient != m_baseGradient) {
+        if (m_baseGradient)
+            QObject::disconnect(m_baseGradient, 0, this, 0);
+
+        m_baseGradient = gradient;
+
+        if (m_baseGradient) {
+            QObject::connect(m_baseGradient, &ColorGradient::updated, this,
+                             &DeclarativeTheme3D::handleBaseGradientUpdate);
+        }
+
+        emit baseGradientChanged(m_baseGradient);
+    }
+
+    if (m_baseGradient)
+        setThemeGradient(*m_baseGradient, GradientTypeBase);
+}
+
+ColorGradient *DeclarativeTheme3D::baseGradient() const
+{
+    return m_baseGradient;
+}
+
+void DeclarativeTheme3D::setSingleHighlightGradient(ColorGradient *gradient)
+{
+    // connect new / disconnect old
+    if (gradient != m_singleHLGradient) {
+        if (m_singleHLGradient)
+            QObject::disconnect(m_singleHLGradient, 0, this, 0);
+
+        m_singleHLGradient = gradient;
+
+        if (m_singleHLGradient) {
+            QObject::connect(m_singleHLGradient, &ColorGradient::updated, this,
+                             &DeclarativeTheme3D::handleSingleHLGradientUpdate);
+        }
+
+        emit singleHighlightGradientChanged(m_singleHLGradient);
+    }
+
+    if (m_singleHLGradient)
+        setThemeGradient(*m_singleHLGradient, GradientTypeSingleHL);
+}
+
+ColorGradient *DeclarativeTheme3D::singleHighlightGradient() const
+{
+    return m_singleHLGradient;
+}
+
+void DeclarativeTheme3D::setMultiHighlightGradient(ColorGradient *gradient)
+{
+    // connect new / disconnect old
+    if (gradient != m_multiHLGradient) {
+        if (m_multiHLGradient)
+            QObject::disconnect(m_multiHLGradient, 0, this, 0);
+
+        m_multiHLGradient = gradient;
+
+        if (m_multiHLGradient) {
+            QObject::connect(m_multiHLGradient, &ColorGradient::updated, this,
+                             &DeclarativeTheme3D::handleMultiHLGradientUpdate);
+        }
+
+        emit multiHighlightGradientChanged(m_multiHLGradient);
+    }
+
+    if (m_multiHLGradient)
+        setThemeGradient(*m_baseGradient, GradientTypeMultiHL);
+}
+
+ColorGradient *DeclarativeTheme3D::multiHighlightGradient() const
+{
+    return m_multiHLGradient;
+}
+
+void DeclarativeTheme3D::setThemeGradient(const ColorGradient &gradient, GradientType type)
+{
+    QLinearGradient newGradient;
+    QGradientStops stops;
+    QList<ColorGradientStop *> qmlstops = gradient.m_stops;
+
+    // Get sorted gradient stops
+    for (int i = 0; i < qmlstops.size(); i++) {
+        int j = 0;
+        while (j < stops.size() && stops.at(j).first < qmlstops[i]->position())
+            j++;
+        stops.insert(j, QGradientStop(qmlstops.at(i)->position(), qmlstops.at(i)->color()));
+    }
+
+    newGradient.setStops(stops);
+    switch (type) {
+    case GradientTypeBase:
+        Q3DTheme::setBaseGradient(newGradient);
+        break;
+    case GradientTypeSingleHL:
+        Q3DTheme::setSingleHighlightGradient(newGradient);
+        break;
+    case GradientTypeMultiHL:
+        break;
+        Q3DTheme::setMultiHighlightGradient(newGradient);
+    default:
+        break;
+    }
+}
+
+QT_DATAVISUALIZATION_END_NAMESPACE