Initial commit

Lts/Viewer/SituationMap/Rubberbands/rubberband_transform.cpp

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+
+/**
+**
+** @RDE_HEADER@
+** Implementation of rubberband class to define moving 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.h"
+
+#include "rubberband_internal.h"
+
+#include <MathUtils/math_const.h>
+
+
+namespace SituationMap { namespace RB
+{
+
+   struct RubberbandTransform::InternalData
+   {
+         Q_DISABLE_COPY(InternalData)
+         MathUtils::Matrix2D  _transformCoordinates;
+         LOGGER_T             _logger;
+
+         InternalData()
+           : _transformCoordinates()
+           , _logger(getLogger("RubberbandTransform"))
+         {
+         } /* InternalData */
+   }; /* RubberbandTransform::InternalData */
+
+
+
+
+   RubberbandTransform::RubberbandTransform( SituationMap::Map * map, QObject * parent )
+     : RubberbandRectangle(map,parent)
+     , _internal(new InternalData())
+   {
+   } /* RubberbandTransform::RubberbandTransform */
+
+
+   RubberbandTransform::~RubberbandTransform()
+   {
+     delete _internal;
+     _internal = nullptr;
+   } /* RubberbandTransform::~RubberbandTransform */
+
+
+   const MathUtils::Matrix2D & RubberbandTransform::transformMatrix() const { return _internal->_transformCoordinates; }
+
+
+   void RubberbandTransform::update()
+   {
+     /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+      * It is importent here to call RubberbandRectangle::update(); first to do an update, because
+      * in other case the RubberbandRectangle::_lastCoordinateChange variable will have wrong values.
+      * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+      RubberbandRectangle::update();
+
+      if (!_lastCoordinateChange.isIdentity())
+      {
+         _internal->_transformCoordinates = _lastCoordinateChange * _internal->_transformCoordinates;
+      }
+      
+      emit updatePreview( this, _lastCoordinateChange );
+      
+      _lastCoordinateChange.setToIdentity();              // reset matrix
+
+   } /* RubberbandTransform::update */
+
+} } /* namespace SituationMap::RB */