Changeset 2586 for trunk/MagicSoft/Mars/mhist/MHCamera.cc

Timestamp:

12/01/03 20:03:32 (21 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mhist/MHCamera.cc (modified) (2 diffs)

trunk/MagicSoft/Mars/mhist/MHCamera.cc

@@ -355 +355 @@
 // Setup a drawing canvas. Add this object and all child objects
 // (hexagons, etc) to the current pad. If no pad exists a new one is
-// created.
+// created. (To access the 'real' pad containing the camera you have
+// to do a cd(1) in the current layer.
 //
 // To draw a camera into its own pad do something like:
@@ -403 +404 @@
     //
     pad->cd();
+}
+
+// ------------------------------------------------------------------------
+//
+// This is TObject::DrawClone but completely ignores
+// gROOT->GetSelectedPad(). tbretz had trouble with this in the past.
+// If this makes trouble please write a bug report.
+//
+TObject *MHCamera::DrawClone(Option_t *option) const
+{
+   // Draw a clone of this object in the current pad
+
+   //TVirtualPad *pad = gROOT->GetSelectedPad();
+   TVirtualPad *padsav = gPad;
+   //if (pad) pad->cd();
+
+   TObject *newobj = Clone();
+   if (!newobj)
+       return 0;
+
+   /*
+   if (pad) {
+      if (strlen(option)) pad->GetListOfPrimitives()->Add(newobj,option);
+      else                pad->GetListOfPrimitives()->Add(newobj,GetDrawOption());
+      pad->Modified(kTRUE);
+      pad->Update();
+      if (padsav) padsav->cd();
+      return newobj;
+   }
+   */
+
+   const TString opt(option);
+   newobj->Draw(opt.IsNull() ? GetDrawOption() : option);
+
+   if (padsav)
+       padsav->cd();
+
+   return newobj;
 }