GitNex-Android-App/app/src/main/java/org/mian/gitnex/helpers/ColorInverter.java

28 lines
514 B
Java

package org.mian.gitnex.helpers;
import android.graphics.Color;
import androidx.annotation.ColorInt;
/**
* Author M M Arif
*/
public class ColorInverter {
@ColorInt
public int getContrastColor(@ColorInt int color) {
double a = 1 - (0.299 * Color.red(color) + 0.587 * Color.green(color) + 0.114 * Color.blue(color)) / 255;
int d;
if (a < 0.5) {
d = 0; // black
} else {
d = 255; // white
}
return Color.rgb(d, d, d);
}
}