Enable tools using extent when map is rotated

qgis · Oct 18, 2017 · 0d8d101 · 0d8d101
1 parent c4a75f0
commit 0d8d101
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Showing 3 changed files with 19 additions and 10 deletions.
diff --git a/src/app/qgsmaptoolellipseextent.cpp b/src/app/qgsmaptoolellipseextent.cpp
@@ -18,6 +18,8 @@
 #include "qgsgeometryrubberband.h"
 #include "qgsmapcanvas.h"
 #include "qgspoint.h"
+#include "qgsgeometryutils.h"
+#include "qgslinestring.h"
 #include <QMouseEvent>
 
 QgsMapToolEllipseExtent::QgsMapToolEllipseExtent( QgsMapToolCapture *parentTool,
@@ -67,9 +69,11 @@ void QgsMapToolEllipseExtent::cadCanvasMoveEvent( QgsMapMouseEvent *e )
         }
         else
         {
-          emit messageEmitted( tr( "Cannot use this tool when the map canvas is rotated" ), QgsMessageBar::WARNING );
-          mPoints.clear();
-          break;
+          double dist = mPoints.at( 0 ).distance( mapPoint );
+          double angle = mPoints.at( 0 ).azimuth( mapPoint );
+
+          mEllipse = QgsEllipse().fromExtent( mPoints.at( 0 ), mPoints.at( 0 ).project( dist, angle ) );
+          mTempRubberBand->setGeometry( mEllipse.toPolygon( segments() ) );
         }
       }
       break;

diff --git a/src/app/qgsmaptoolrectanglecenter.cpp b/src/app/qgsmaptoolrectanglecenter.cpp
@@ -17,8 +17,8 @@
 #include "qgsmaptoolrectanglecenter.h"
 #include "qgsgeometryrubberband.h"
 #include "qgsgeometryutils.h"
-#include "qgslinestring.h"
 #include "qgsmapcanvas.h"
+#include "qgslinestring.h"
 #include "qgspoint.h"
 #include <QMouseEvent>
 #include <memory>
@@ -74,9 +74,11 @@ void QgsMapToolRectangleCenter::cadCanvasMoveEvent( QgsMapMouseEvent *e )
         }
         else
         {
-          emit messageEmitted( tr( "Cannot use this tool when the map canvas is rotated" ), QgsMessageBar::WARNING );
-          mPoints.clear();
-          break;
+          double dist = mPoints.at( 0 ).distance( mapPoint );
+          double angle = mPoints.at( 0 ).azimuth( mapPoint );
+
+          mRectangle = QgsRectangle( mPoints.at( 0 ).project( -dist, angle ), mPoints.at( 0 ).project( dist, angle ) );
+          mTempRubberBand->setGeometry( QgsMapToolAddRectangle::rectangleToPolygon() );
         }
       }
       break;

diff --git a/src/app/qgsmaptoolrectangleextent.cpp b/src/app/qgsmaptoolrectangleextent.cpp
@@ -18,6 +18,7 @@
 #include "qgsgeometryrubberband.h"
 #include "qgsgeometryutils.h"
 #include "qgsmapcanvas.h"
+#include "qgslinestring.h"
 #include "qgspoint.h"
 #include <QMouseEvent>
 #include <memory>
@@ -69,9 +70,11 @@ void QgsMapToolRectangleExtent::cadCanvasMoveEvent( QgsMapMouseEvent *e )
         }
         else
         {
-          emit messageEmitted( tr( "Cannot use this tool when the map canvas is rotated" ), QgsMessageBar::WARNING );
-          mPoints.clear();
-          break;
+          double dist = mPoints.at( 0 ).distance( mapPoint );
+          double angle = mPoints.at( 0 ).azimuth( mapPoint );
+
+          mRectangle = QgsRectangle( mPoints.at( 0 ), mPoints.at( 0 ).project( dist, angle ) );
+          mTempRubberBand->setGeometry( QgsMapToolAddRectangle::rectangleToPolygon() );
         }
       }
       break;