diff -r 000000000000 -r 16d8024aca5e src/hbcore/effects/hbeffecthsl.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/effects/hbeffecthsl.cpp	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,126 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+#include <hbglobal.h>
+#ifdef HB_FILTER_EFFECTS
+
+#include "hbeffecthsl_p.h"
+#include "hbeffectgroup_p.h"
+#include "hbeffectdef_p.h"
+#include "hbvgchainedeffect_p.h"
+#include "hbvghsleffect_p.h"
+#include "hbeffectfilter_p.h"
+#include <QGraphicsItem>
+#include <QtDebug>
+
+// -----------------------------------------------------------------------------
+
+// HbEffectHsl
+
+HbEffectHsl::HbEffectHsl(
+    const HbEffectFxmlFilterData &data,
+    QGraphicsItem *item,
+    HbEffectGroup *group) :
+        HbEffectFilter(0, item, group),
+        mAnimationO(0),
+        mAnimationH(0),
+        mAnimationS(0),
+        mAnimationL(0),
+        mVgHsl(0)
+{
+    // Default values of if something is not passed in FXML
+    qreal opacity_start = 1;
+    qreal opacity_end = 1;
+    qreal hue_start = 0;
+    qreal hue_end = 0;
+    qreal saturation_start = 1;
+    qreal saturation_end = 1;
+    qreal lightness_start = 0;
+    qreal lightness_end = 0;
+
+    QList<HbEffectFxmlParamData> params = data.paramData();
+
+    // Handle FXML parameters
+    Q_FOREACH(const HbEffectFxmlParamData &param, params) {
+        if (param.name() == FXML_KEYWORD_HSL_OPACITY) {
+            mAnimationO = createAnimation(param, opacity_start, opacity_end, group);
+        }
+        else if (param.name() == FXML_KEYWORD_HSL_HUE) {
+            mAnimationH = createAnimation(param, hue_start, hue_end, group);
+        }
+        else if (param.name() == FXML_KEYWORD_HSL_SATURATION) {
+            mAnimationS = createAnimation(param, saturation_start, saturation_end, group);
+        }
+        else if (param.name() == FXML_KEYWORD_HSL_LIGHTNESS) {
+            mAnimationL = createAnimation(param, lightness_start, lightness_end, group);
+        }
+    }
+
+    // Create VG effect if there were effect parameters defined
+    if (mEffectDefined) {
+        // Add blur effect to the filter effect chain in the effect group
+        HbVgChainedEffect *chain = HbEffectAbstract::group()->vgEffect();
+        
+        mVgHsl = new HbVgHslEffect();
+        mVgHsl->setCaching(true);
+        
+        chain->add(mVgHsl);
+
+        // Set initial values for the effect
+        mVgHsl->setOpacity(opacity_start);
+        mVgHsl->setHue(hue_start);
+        mVgHsl->setSaturation(saturation_start);
+        mVgHsl->setLightness(lightness_start);
+    }
+}
+
+HbEffectHsl::~HbEffectHsl()
+{
+}
+
+QString HbEffectHsl::name() const
+{
+    return HB_EFFECT_NAME_HSL;
+}
+
+void HbEffectHsl::updateFilterEffect()
+{
+    // Only update the graphics effect if the effect is running
+    if (group()->isRunning()) {
+        if (mAnimationO) {
+            mVgHsl->setOpacity(qVariantValue<qreal>(mAnimationO->currentValue()));
+        }
+        if (mAnimationH) {
+            mVgHsl->setHue(qVariantValue<qreal>(mAnimationH->currentValue()));
+        }
+        if (mAnimationS) {
+            mVgHsl->setSaturation(qVariantValue<qreal>(mAnimationS->currentValue()));
+        }
+        if (mAnimationL) {
+            mVgHsl->setLightness(qVariantValue<qreal>(mAnimationL->currentValue()));
+        }
+    }
+}
+
+#endif