fixes 0003222: Invert zoom setting is not respected in paper/page mode

src/Mod/Drawing/Gui/DrawingView.cpp

@@ -260,7 +260,7 @@ DrawingView::DrawingView(Gui::Document* doc, QWidget* parent)
 
     ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
             ("User parameter:BaseApp/Preferences/View");
-    bool on = hGrp->GetBool("InvertZoom", false);
+    bool on = hGrp->GetBool("InvertZoom", true);
     m_view->setZoomInverted(on);
 }
 

src/Mod/Image/Gui/ImageView.cpp

@@ -90,6 +90,10 @@ ImageView::ImageView(QWidget* parent)
   // Create the actions, menus and toolbars
   createActions();
 
+  ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath
+          ("User parameter:BaseApp/Preferences/View");
+  _invertZoom = hGrp->GetBool("InvertZoom", true);
+
   // connect other slots
   connect(_pGLImageBox, SIGNAL(drawGraphics()), this, SLOT(drawGraphics()));
 }
@@ -475,6 +479,9 @@ void ImageView::wheelEvent(QWheelEvent * cEvent)
 
        // Zoom around centrally displayed image point
        int numTicks = cEvent->delta() / 120;
+       if (_invertZoom)
+           numTicks = -numTicks;
+
        int ICx, ICy;
        _pGLImageBox->getCentrePoint(ICx, ICy);
        _pGLImageBox->setZoomFactor(_pGLImageBox->getZoomFactor() / pow(2.0, (double)numTicks), true, ICx, ICy);

src/Mod/Image/Gui/ImageView.h

@@ -128,6 +128,7 @@ protected:
     bool _statusBarEnabled;
     bool _mouseEventsEnabled;
     bool _ignoreCloseEvent;
+    bool _invertZoom;
 };
 
 } // namespace ImageViewGui

src/Mod/Sandbox/Gui/GLGraphicsView.cpp

@@ -913,7 +913,7 @@ void GraphicsView3D::OnChange(ParameterGrp::SubjectType &rCaller,ParameterGrp::M
         _viewer->navigationStyle()->setResetCursorPosition(on);
     }
     else if (strcmp(Reason,"InvertZoom") == 0) {
-        bool on = rGrp.GetBool("InvertZoom", false);
+        bool on = rGrp.GetBool("InvertZoom", true);
         _viewer->navigationStyle()->setZoomInverted(on);
     }
     else if (strcmp(Reason,"ZoomAtCursor") == 0) {