Initial commit

Lts/Viewer/SituationMap/Rubberbands/rubberband_drawable.cpp

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+
+/**
+**
+** @RDE_HEADER@
+** Implementation of base class for rubberband handles
+** $Id$
+** $HeadURL$
+** $Author$
+**
+** -----------------------------------------------------------------------------------------------
+**
+** 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 .........:
+**
+**   27.03.2015, JT  : First edition for use with Qt5
+**
+** -----------------------------------------------------------------------------------------------
+*/
+
+#include "rubberband_drawable.h"
+
+
+// ESRI
+#include <arcgis/Map.h>
+
+
+
+namespace SituationMap { namespace RB
+{
+
+   Esri::ArcGISRuntime::Point convert(const QPointF &point, const Esri::ArcGISRuntime::SpatialReference& spatialReference)
+   {
+      return Esri::ArcGISRuntime::Point(point.x(), point.y(), spatialReference);
+   } // convert
+
+
+   RubberbandDrawable::RubberbandDrawable( QGraphicsView * view )
+     : _scene((view) ? view->scene() : nullptr)
+     , _mapView()
+     , _isVisible(true)
+     , _lineWidth(1)
+     , _zBufferValue((unsigned int) ZBufferPlane::Drawables)
+     , _logger(getLogger("RubberbandDrawable"))
+     
+   {
+     doConnecting();
+   } /* RubberbandDrawable::RubberbandDrawable */
+
+   RubberbandDrawable::RubberbandDrawable( Esri::ArcGISRuntime::MapGraphicsView * mapView )
+      : _scene(mapView->scene())
+      , _mapView(mapView)
+      , _isVisible(true)
+      , _lineWidth(1)
+      , _zBufferValue((unsigned int) ZBufferPlane::Drawables)
+      , _logger(getLogger("RubberbandDrawable"))
+      
+   {
+      doConnecting();
+   } /* RubberbandDrawable::RubberbandDrawable */
+
+   RubberbandDrawable::RubberbandDrawable( Esri::ArcGISRuntime::MapGraphicsView * mapView, QGraphicsScene * scene)
+      : _scene(scene)
+      , _mapView(mapView)
+      , _isVisible(true)
+      , _lineWidth(1)
+      , _zBufferValue((unsigned int) ZBufferPlane::Drawables)
+      , _logger(getLogger("RubberbandDrawable"))
+      
+   {
+      doConnecting();
+   } /* RubberbandDrawable::RubberbandDrawable */
+
+
+#ifdef ADJUST_COORDINATES_EVERY_PAINT_EVENT
+   bool RubberbandDrawable::eventFilter( QObject*, QEvent * e )
+   {
+      if (e)
+      {
+         if (e->type() == QEvent::Paint)
+         {
+           /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+            * Sometimes the signals extentChanges and rectChanged of Esri Map Widget are not emitted. In this case
+            * the position update of handles and drawabled fails and they are drawn at wrong positions on map. As
+            * workaround updates coordinates at every paint event.
+            * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+            DEBUG_LOG(_logger) << LOGFUNCTION << " paint event";
+            onDo_adjustCoordinates();
+         }
+      }
+      return false;
+   } /* RubberbandDrawable::eventFilter */
+#endif
+
+   void RubberbandDrawable::doConnecting()
+   {
+      if (nullptr == _mapView) return;
+
+      #ifdef ADJUST_COORDINATES_EVERY_PAINT_EVENT
+         _view -> installEventFilter( this );
+      #endif
+ 
+      /* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+       * It is really important to specify the connnection type as following. Because the onDo_adjustCoordinates
+       * should be call as soon as possible to get smooth changes of map. The connection type is DirectConnnection here.
+       * The rectChanged signal is some times emitted, when the calculation of screen coordinates to map coordinates
+       * and vice versa has not been updated to the new map window size. In this case all calculations provides wrong
+       * results. Using the connection type QueuedConnection defers the call of onDo_adjustWindow.
+       * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
+      // Check Quartz
+      connect( _mapView.data(), &Esri::ArcGISRuntime::MapGraphicsView::viewpointChanged,
+               this, &RubberbandDrawable::onDo_adjustCoordinates, Qt::ConnectionType::DirectConnection );
+      connect( _mapView.data(), &Esri::ArcGISRuntime::MapGraphicsView::rectChanged  ,
+               this, &RubberbandDrawable::onDo_adjustWindow     , Qt::ConnectionType::QueuedConnection );
+
+   } /* RubberbandDrawable::doConnecting */
+
+
+   void RubberbandDrawable::onDo_adjustCoordinates()
+   {
+     adjustCoordinates();
+     forceUpdateViewWidget();
+   } /* RubberbandDrawable::onDo_adjustCoordinates */
+
+
+   void RubberbandDrawable::onDo_adjustWindow( const QRectF &r )
+   {
+     adjustWindow(r);
+     forceUpdateViewWidget();
+   } /* RubberbandDrawable::onDo_adjustWindow */
+
+
+   void RubberbandDrawable::makeLineStyle( bool dottedLine, QPen & lineStyle )
+   {
+      lineStyle.setColor( _drawColor      );
+      lineStyle.setWidth( int(_lineWidth) );
+
+      if (dottedLine) lineStyle.setStyle( Qt::DashDotLine );
+      else lineStyle.setStyle( Qt::SolidLine );
+   } /* DrawablePainterPathItem::makeLineStyle */
+
+
+   RubberbandDrawable::~RubberbandDrawable() { if (_mapView) _mapView->removeEventFilter(this); }
+
+
+} } /* namespace SituationMap::RB */