encode_screen = (height, width, text, attributes) ->
state = ''
for y in [0...height]
- for x in [0...width]
- if attributes[y][x] isnt a
- state += attr_diff a, attributes[y][x]
- a = attributes[y][x]
- state += text[y][x]
+ max = width - 1
+ while max >= 0 and text[y][max] is ' ' and (attributes[y][max] & 0x08ff00) is 0
+ max -= 1
+ if max >= 0
+ for x in [0..max]
+ if attributes[y][x] isnt a
+ state += attr_diff a, attributes[y][x]
+ a = attributes[y][x]
+ state += text[y][x]
if y < height - 1
state += '\n'
return state