Requires Python3.10, numpy, opencv2, tkinter.
In folder assets there are some textures I uploaded. If you want to use or own ones, add them in file resources.py to list textures.
The patern is tuple containing: (texture_path, texture_name).
Select dimensions your map you want to have and single tile size in pixels.
Right-click on field you want to change, then select one of the textures.
Press ENTER to save your image. The file will be named your_map.png.
You can also hold left mouse button to select an area and paste one texture to every single of selected fields.