[PcbDraw] Avoid loading the PCB for each call to PcbDraw

kibot/PcbDraw/README.md

@@ -240,3 +240,5 @@ index f8990722..17f90185 100644
     - Find the index of the smaller element (1 line code)
     - I added a replacemt for the `array` function, it just makes all matrix elements float
 
+- Allow constructing PcbPlotter() using an already loaded board
+  - So we don't load it again

kibot/PcbDraw/plot.py

@@ -1033,12 +1033,15 @@ class PcbPlotter():
     mainly serves as a builder (to step-by-step specify all options) and also to
     avoid passing many arguments between auxiliary functions
     """
-    def __init__(self, boardFile: str):
+    def __init__(self, boardFile: Union[str, pcbnew.BOARD]):
         self._unique_counter: int = 1
-        try:
-            self.board: pcbnew.BOARD = pcbnew.LoadBoard(boardFile)
-        except IOError:
-            raise IOError(f"Cannot open board '{boardFile}'") from None
+        if isinstance(boardFile, str):
+            try:
+                self.board: pcbnew.BOARD = pcbnew.LoadBoard(boardFile)
+            except IOError:
+                raise IOError(f"Cannot open board '{boardFile}'") from None
+        else:
+            self.board = boardFile
         self.render_back: bool = False
         self.mirror: bool = False
         self.plot_plan: List[PlotInterface] = [

kibot/out_pcb_print.py

@@ -773,8 +773,7 @@ class PCB_PrintOptions(VariantOptions):
     def pcbdraw_by_module(self, pcbdraw_file, back):
         # Run PcbDraw to make the heavy work (find the Edge.Cuts path and create masks)
         try:
-            # TODO: Avoid loading the PCB again
-            plotter = PcbPlotter(GS.pcb_file)
+            plotter = PcbPlotter(GS.board)
             # TODO: Review the paths, most probably add the system KiBot dir
             # Read libs from current dir
             # plotter.setup_arbitrary_data_path(".")

kibot/out_pcbdraw.py

@@ -293,8 +293,7 @@ class PcbDrawOptions(VariantOptions):
                 save_output_format = 'png'
 
         try:
-            # TODO: Avoid loading the PCB again
-            plotter = PcbPlotter(GS.pcb_file)
+            plotter = PcbPlotter(GS.board)
             # TODO: Review the paths, most probably add the system KiBot dir
             # Read libs from current dir
             # plotter.setup_arbitrary_data_path(".")