tree ce07917c9844239d37b000afd2518b08028ed8be
parent 1d4d8f94e2989b7c8667602304df9059d2701653
author Mathias Agopian <mathias@google.com> 1378096572 -0700
committer Mathias Agopian <mathias@google.com> 1378357875 -0700

color blindness enhancement

This is an attempt at improving the experience of
users with color vision impairement.

At this time this feature can only be enabled for
debugging:

  adb shell service call SurfaceFlinger 1014 i32 PARAM

  with PARAM:
   0 : disabled
   1 : protanomaly/protanopia simulation
   2 : deuteranomaly/deuteranopia simulation
   3 : tritanopia/tritanomaly simulation
  11, 12, 13: same as above w/ attempted correction/enhancement

The enhancement algorithm tries to spread the "error"
such that tones that would otherwise appear similar can be
distinguished.

Bug: 9465644

Change-Id: I860f7eed0cb81f54ef9cf24ad78155b6395ade48