varoius improvements

interpreter/NassiShneidermann.py

@@ -57,7 +57,7 @@ class NassiShneidermanDiagram:
     def convert_to_image(self, output_path: str, on_conflict: Overwrite_behaviour=OB.SKIP) -> bool:
         i = 0
         for scope in self.function_scopes:
-            cancel = one_line_progress_meter('Progress', i+1, len(self.function_scopes), '-PROGRESSBAR-')
+            cancel = one_line_progress_meter('Progress', i, len(self.function_scopes), '-PROGRESSBAR-')
             if not cancel:
                 return False
 

interpreter/function_scope.py

@@ -16,7 +16,7 @@ class Function_scope(Iterable):
         return int(h)
 
     def get_width(self) -> int:
-        w = 200.0
+        w = 200.0 #minimum width for every block
         for inst in self.contents:
             w = max(w, inst.getblkwidth())
         return int(w)