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Lts/Viewer/SituationMap/Rubberbands/rubberband_transform_rotate.cpp

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+/**
+**
+** @RDE_HEADER@
+** Implementation of rubberband class to define rotating transforms
+** $Id$
+** $HeadURL$
+** $Author$
+**
+** -----------------------------------------------------------------------------------------------
+**
+** Hardware-Environment: Intel-PC
+** Software-Environment: Windows 7, Qt 5.4. ArcGIS 10.2.5
+**
+** Language ........: C++ 11
+**
+** -----------------------------------------------------------------------------------------------
+**
+** Author ...........: Jörg Turla, SPD G, Tel. 3132
+**
+** -----------------------------------------------------------------------------------------------
+**
+** Notes .........:
+**
+**   07.04.2015, JT  : First edition for use with Qt5
+**
+** -----------------------------------------------------------------------------------------------
+*/
+
+#include "rubberband_transform_rotate.h"
+
+#include <MathUtils/simple_helper.h>
+
+
+namespace SituationMap { namespace RB
+{
+
+
+   RubberbandTransformRotate::RubberbandTransformRotate( SituationMap::Map * map, QObject * parent )
+     : RubberbandTransform(map,parent)
+   {
+     setModificationMode( ModificationMode::RotationOnly );
+   } /* RubberbandTransformRotate::RubberbandTransformRotate */
+
+   qreal RubberbandTransformRotate::rotationSin() const
+   {
+     return transformMatrix()(0,1);
+   } // RubberbandTransformRotate::rotationSin
+
+  
+   qreal RubberbandTransformRotate::rotationCos() const
+   {
+     return transformMatrix()(0,0);
+   } // RubberbandTransformRotate::rotationCos
+   
+
+   qreal RubberbandTransformRotate::rotationAngle() const
+   {
+     return MathUtils::getMathAngle(rotationSin(),rotationCos());
+   } // RubberbandTransformRotate::rotationAngle
+
+
+} } /* namespace SituationMap::RB */