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Lts/Viewer/SituationMap/Rubberbands/rubberband_transform.h

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+/**
+**
+** @RDE_HEADER@
+** Definition of rubberband class to define moving, scale and 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 .........:
+**
+**   22.06.2016, JT  : First edition for use with Qt5
+**
+** -----------------------------------------------------------------------------------------------
+*/
+
+#pragma once
+
+#include "rubberband_rectangle.h"
+
+namespace SituationMap { namespace RB
+{
+
+   /**
+     @class RubberbandTransform rubberband_transform.h
+     @brief Implementation of a rubberband to move, scale and rotate features
+     @see Rubberband
+   */
+   class SITUATIONMAP_EXPORT RubberbandTransform : public RubberbandRectangle
+   {
+      Q_OBJECT
+
+         friend class RubberbandFactory;
+
+         friend class RubberbandTransformMove;
+         friend class RubberbandTransformRotate;
+         friend class RubberbandTransformScale;
+
+
+         /**
+            @name Construction & Destruction
+            @}
+         */
+
+         explicit RubberbandTransform(  SituationMap::Map * map, QObject * parent = nullptr );
+
+       public:
+
+         ~RubberbandTransform();
+         /** @} */
+
+         /**
+           Provides the transformation matrix
+         */
+         const MathUtils::Matrix2D & transformMatrix() const;
+
+      signals:
+
+         /**
+           The updatePreview signal is emitted before the rubbberband itself will be redrawn. Connecting this signal can be
+           used to draw an preview e.g in case of transform rubberbands.
+
+            @param rbnd  pointer to this Rubberband
+            @param mat   transformation matrix to transform features for preview
+            @see Rubberband
+         */
+         void updatePreview( Rubberband * rbnd, const MathUtils::Matrix2D & mat );
+
+      protected:
+
+         /*
+            Forward declaration of InternalData to hold private member variables. Becareful the base class Rubberband
+            has similary a class for internal data member with name "InternalData". Don't be confused it is not the same.
+          */
+         struct InternalData;
+
+         InternalData * _internal;
+
+         void update() override;
+
+      private:
+
+        void setButtonPosition();
+
+   }; /* RubberbandTransform */
+
+} } /* namespace SituationMap::RB */