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kamilZ/gist:8518939

Last active January 3, 2016 20:59
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Android darken color.
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gistfile1.txt
public static int brighten(int color, double fraction) {
int red = (int) Math.round(Math.max(0,Color.red(color) - 255 * fraction));
int green = (int) Math.round(Math.max(0,Color.green(color) - 255 * fraction));
int blue = (int) Math.round(Math.max(0,Color.blue(color) - 255 * fraction));
return Color.argb(Color.alpha(color);, red, green, blue);
}
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