brighten color Relative to an offset - Android Graphics

Android examples for Graphics:Color Brighten

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Description

brighten color Relative to an offset

Demo Code


//package com.java2s;
import android.graphics.Color;

public class Main {
    public static int brightenRelative(int color, float brightnessOffset) {
        float[] hsv = new float[3];
        Color.RGBToHSV(Color.red(color), Color.green(color),
                Color.blue(color), hsv);
        hsv[2] += brightnessOffset;//ww w .jav a 2  s.  c  o  m
        if (hsv[2] > 1.0f) {
            hsv[2] = 1.0f;
        } else if (hsv[2] < 0.0f) {
            hsv[2] = 0.0f;
        }
        return Color.HSVToColor(Color.alpha(color), hsv);
    }
}

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