get blue brightness `blue = color amp 0xFF` set `color amp = kotlinlang #android

get blue brightness: `blue = color & 0xFF` set...

miha-x64

11/18/2016, 4:05 PM

get blue brightness:

blue = color & 0xFF

set:

color &= (int) 0xFFFFFF00; color |= blue;

get yellow brightness:

Copy code

red = (color & 0xFF0000) >> 16;
green = (color & 0x00FF00) >> 8;
yellow = (red + green) / 2;

set yellow brightness:

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color &= (int) 0xFF0000FF;
color |= (yellow << 16);
color |= (yellow << 8);