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I would have explored the need to store white pixels at all, this could be the default state, ie the blank screen, so I would only have stored the black pixels and included a variable on my wrapping class to track black pixels.
- jninety67 May 01, 2015If the answer was that there were three states eg off, white, black I'd use a byte to store the colour rather than a boolean, booleans are vm dependant and could eat up a lot of memory.