Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2015 Jorge Ruesga
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.graphics.Color;

public class Main {
    public static int getContrastColor(int color) {
        float[] hsv = new float[3];
        Color.RGBToHSV(Color.red(color), Color.green(color), Color.blue(color), hsv);
        if (hsv[2] < 0.5) {
            hsv[2] = 0.7f;
        } else {
            hsv[2] = 0.3f;
        }
        hsv[1] = hsv[1] * 0.2f;
        return Color.HSVToColor(hsv);
    }
}