Added fast rendering mode (when CoarseView is set to true)

ahb_techdraw_extensions.py

@@ -99,11 +99,23 @@ class TechDrawExtensions:
 			
 			doc = view.Document
 			
+			fast_rendering = False
+			#try:
+			#	fast_rendering = view.Assembly_handbook_FastRendering
+			#except:
+			#	pass
+			
+			if view.CoarseView:
+				fast_rendering = True
+			
 			selected_balloons = []
 			for obj in Gui.Selection.getSelection():
 				if obj.TypeId == 'TechDraw::DrawViewBalloon' and obj.SourceView == view and 'Assembly_handbook_Source' in obj.PropertiesList:
 					selected_balloons.append(obj)
 			
+			#view.clearGeomFormats() # for an unknown reason, this will crash freecad
+			
+			if not fast_rendering:
 				is_first_part = True
 			
 				parts_to_paint = []
@@ -131,7 +143,7 @@ class TechDrawExtensions:
 					default_line_thickness = 0.05
 					line_thickness = default_line_thickness
 					
-				default_color = (0.5, 0.5, 0.5)
+					default_color = (0.0, 0.0, 0.0) if fast_rendering else (0.5, 0.5, 0.5)
 					color = default_color
 					
 					if part is not None: