Added Bezier curves

Added Bezier curves for automation tracks.

src/core/AutomationPattern.cpp

@@ -708,6 +708,16 @@ void AutomationPattern::saveSettings( QDomDocument & _doc, QDomElement & _this )
 		_this.appendChild( element );
 	}
 
+	for( controlPointTimeMap::const_iterator it = m_controlPoints.begin();
+						it != m_controlPoints.end(); ++it )
+	{
+		QDomElement element = _doc.createElement( "ctrlpnt" );
+		element.setAttribute( "pos", it.key() );
+		element.setAttribute( "value1", it.value()[0] );
+		element.setAttribute( "value2", it.value()[1] );
+		_this.appendChild( element );
+	}
+
 	for( objectVector::const_iterator it = m_objects.begin();
 						it != m_objects.end(); ++it )
 	{
@@ -747,6 +757,13 @@ void AutomationPattern::loadSettings( const QDomElement & _this )
 			m_timeMap[element.attribute( "pos" ).toInt()]
 				= element.attribute( "value" ).toFloat();
 		}
+		else if( element.tagName() == "ctrlpnt" )
+		{
+			m_controlPoints[element.attribute( "pos" ).toInt()][0]
+				= element.attribute( "value1" ).toFloat();
+			m_controlPoints[element.attribute( "pos" ).toInt()][1]
+				= element.attribute( "value2" ).toFloat();
+		}
 		else if( element.tagName() == "object" )
 		{
 			m_idsToResolve << element.attribute( "id" ).toInt();