Merge pull request #1024 from kerautret/AddKeyViewer3D

add key Shift-L to save configuration file.

ChangeLog.md

@@ -103,6 +103,9 @@
  [#1002](https:/DGtal-team/DGtal/pull/1002))
  - MeshWriter class can now export OBJ file including colors. (Bertrand Kerautret,
  [#1016](https:/DGtal-team/DGtal/pull/1016))
+ - Viewer3D: Shift-L / L key binding added to save and restore camera settings. (Bertrand Kerautret,
+ [#1024](https:/DGtal-team/DGtal/pull/1024))
+
 
 - *Kernel Package*
  - HyperRectDomain can now be empty (lowerBound == upperBound + diagonal(1)). Warning about the use 

src/DGtal/io/viewers/Viewer3D.ih

@@ -849,6 +849,7 @@ DGtal::Viewer3D<Space, KSpace>::init()
  setKeyDescription ( Qt::Key_W, "Switch display with and without wired view of triangle and quad faces." );
  setKeyDescription ( Qt::Key_T, "Sort elements for display improvements." );
  setKeyDescription ( Qt::Key_L, "Load last visualisation settings." );
+ setKeyDescription ( Qt::ShiftModifier+Qt::Key_L, "Save visualisation settings." );
  setKeyDescription ( Qt::Key_B, "Switch background color with White/Black colors." );
  setKeyDescription ( Qt::Key_C, "Show camera informations." );
  setKeyDescription ( Qt::Key_R, "Reset default scale for 3 axes to 1.0f." );
@@ -1185,10 +1186,15 @@ DGtal::Viewer3D<Space, KSpace>::keyPressEvent ( QKeyEvent *e )
  }
  updateGL();
  }
- if ( ( e->key() ==Qt::Key_L ) )
+
+ if ( ( e->key() ==Qt::Key_L ) )
  {
- restoreStateFromFile();
- updateGL();
+ if(e->modifiers()==Qt::ShiftModifier){
+ saveStateToFile();
+ }else{
+ restoreStateFromFile();
+ updateGL();
+ }
  }
  if ( ( e->key() ==Qt::Key_C ) ) 
  {