add intermediate stroke container - strokes to drawing.strokes

utils.py

@@ -29,7 +29,7 @@ def get_matrix(ob) :
         return ob.matrix_world.copy()
 
 def set_matrix(gp_frame,mat):
-    for stroke in gp_frame.strokes :
+    for stroke in gp_frame.drawing.strokes :
         for point in stroke.points :
             point.position = mat @ point.position
 
@@ -160,7 +160,7 @@ def simple_draw_gp_stroke(pts, frame, width = 2, mat_id = 0):
     draw basic stroke by passing list of point 3D coordinate
     the frame to draw on and optional width parameter (default = 2)
     '''
-    stroke = frame.strokes.new()
+    stroke = frame.drawing.strokes.new()
     stroke.line_width = width
     stroke.display_mode = '3DSPACE'
     stroke.material_index = mat_id
@@ -178,7 +178,7 @@ def simple_draw_gp_stroke(pts, frame, width = 2, mat_id = 0):
 
 ## OLD - need update
 def draw_gp_stroke(loop_info, frame, palette, width = 2) :
-    stroke = frame.strokes.new(palette)
+    stroke = frame.drawing.strokes.new(palette)
 
     stroke.line_width = width
     stroke.display_mode = '3DSPACE'# old -> draw_mode
@@ -472,14 +472,14 @@ def get_stroke_2D_coords(stroke):
 def get_all_stroke_2D_coords(frame):
     '''return a list of lists with all strokes's points 2D location'''
     ##   using modification from get_stroke_2D_coords func'
-    return [get_stroke_2D_coords(s) for s in frame.strokes]
+    return [get_stroke_2D_coords(s) for s in frame.drawing.strokes]
     ##   direct
-    #return[[location_to_region(p.position) for p in s.points] for s in frame.strokes]
+    #return[[location_to_region(p.position) for p in s.points] for s in frame.drawing.strokes]
 
 def selected_strokes(frame):
     '''return all stroke having a point selected as a list of strokes objects'''
     stlist = []
-    for i, s in enumerate(frame.strokes):
+    for i, s in enumerate(frame.drawing.strokes):
         if any(pt.select for pt in s.points):
             stlist.append(s)
     return stlist
@@ -491,7 +491,7 @@ def copy_stroke_to_frame(s, frame, select=True):
     return created stroke
     '''
 
-    ns = frame.strokes.new()
+    ns = frame.drawing.strokes.new()
 
     ## Set strokes attr
     stroke_attr = [