
Lib_im2im -     /

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set_clip(integer x, integer y, integer width, integer height) -   ( )
       .    ,         
    x, y -     
    width, height -    
    
drawregion(integer x, integer y, image im, integer sx, integer sy, integer width, integer height)
          im          (x, y)
        ( ) .     
       -        .
    x, y -      
    im -  ,  
    sx, sy -     
    width, height -     
    !      set_clip   set_clip(0,0,GetWidth,GetHeight)
              
    
repaint_part(integer x, integer y, integer width, integer height)
     ,    ,    
    x, y -     
    width, height -    
    
saveregion -    (   ,  )

restoreregion -  ,      saveregion
