Yes, it would be difficult to add this feature, as Tilemaps draw in a much more complicated way than Sprites or Tiled Backgrounds and so it would be more complicated to support meshes for them.
ok ,can you add paster obj area for drawingcanvas,so we can make map like u3d
i mean paster obj with a brush area for a tilemapback thanks!!
use drawingcanvas .and set a tilemap back to canvas position.then set a brush move .and paster tilemapack with brush alpha to drawingcanvas everytime!!!!
and i found c3 drawingcanvas can,t dranwing a point with rgba,and how to get a point rgba of a sprite or tilemapback