support black and white and grayscale between - #4

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dredenba wants to merge 6 commits into

davecom:masterfrom

dredenba:addBlackAndWhiteSupport

Commits on Sep 4, 2015

support black and white and grayscale between, add a few tests, change delegate method to indicate touch type
David Redenbaugh
committed
6291ee3
switch to an enum for touch types
David Redenbaugh
committed
d8dbc6a

Commits on Sep 8, 2015

fix test project
David Redenbaugh
committed
df3f107
fix usage of set selected color, add some tests
David Redenbaugh
committed
ef21c9a
use common init
David Redenbaugh
committed
4e440e8
fix type usages
David Redenbaugh
committed
b746075