1 files changed, 71 insertions, 0 deletions
diff --git a/src/3rdparty/phonon/mmf/effectparameter.cpp b/src/3rdparty/phonon/mmf/effectparameter.cpp
new file mode 100644
index 0000000..17c1315
--- /dev/null
+++ b/src/3rdparty/phonon/mmf/effectparameter.cpp
@@ -0,0 +1,71 @@
+/*  This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "effectparameter.h"
+
+QT_BEGIN_NAMESPACE
+
+using namespace Phonon;
+using namespace Phonon::MMF;
+
+/*! \class MMF::EffectParameter
+  \internal
+*/
+
+MMF::EffectParameter::EffectParameter()
+    :   m_hasInternalRange(false)
+{
+
+}
+
+MMF::EffectParameter::EffectParameter(
+            int parameterId, const QString &name, Hints hints,
+            const QVariant &defaultValue, const QVariant &min,
+            const QVariant &max, const QVariantList &values,
+            const QString &description)
+    :   Phonon::EffectParameter(parameterId, name, hints, defaultValue,
+            min, max, values, description)
+    ,   m_hasInternalRange(false)
+{
+
+}
+
+void MMF::EffectParameter::setInternalRange(qint32 min, qint32 max)
+{
+    Q_ASSERT_X(max >= min, Q_FUNC_INFO, "Invalid range");
+    m_internalRange = QPair<qint32, qint32>(min, max);
+    m_hasInternalRange = true;
+}
+
+qint32 MMF::EffectParameter::toInternalValue(qreal external) const
+{
+    Q_ASSERT_X(m_hasInternalRange, Q_FUNC_INFO, "Does not have internal range");
+    const qint32 range = m_internalRange.second - m_internalRange.first;
+    return m_internalRange.first + ((1.0 + external) / 2) * range;
+}
+
+qreal MMF::EffectParameter::toExternalValue
+    (qint32 value, qint32 min, qint32 max)
+{
+    Q_ASSERT_X(max >= min, Q_FUNC_INFO, "Invalid range");
+    const qint32 range = max - min;
+    return range == 0 ? 0.0 : ((2.0 * value - min) / range) - 1.0;
+}
+
+QT_END_NAMESPACE
+