The image is encoded using two bits per pixel that select a palette
entry except that value 0 starts a limited run-length encoding for
color 0. When 0 is seen, the next two bits encode one less than
The image is encoded using two bits per pixel that select a palette
entry except that value 0 starts a limited run-length encoding for
color 0. When 0 is seen, the next two bits encode one less than