Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Twittnuker - Twitter client for Android
 *
 * Copyright (C) 2013-2015 vanita5 <mail@vanita5.de>
 *
 * This program incorporates a modified version of Twidere.
 * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import android.graphics.Color;

public class Main {
    public static int getContrastYIQ(int color, int colorDark, int colorLight) {
        return getContrastYIQ(color, 128, colorDark, colorLight);
    }

    public static int getContrastYIQ(int color) {
        return getContrastYIQ(color, 128);
    }

    public static int getContrastYIQ(int color, int threshold) {
        return getContrastYIQ(color, threshold, Color.BLACK, Color.WHITE);
    }

    /**
     * Get most contrasting color
     *
     * @param color Input color, alpha channel will be disposed.
     * @return {@link android.graphics.Color#WHITE} or {@link android.graphics.Color#BLACK}
     * @see <a href='http://24ways.org/2010/calculating-color-contrast/'>Calculating Color Contrast</a>
     */
    public static int getContrastYIQ(int color, int threshold, int colorDark, int colorLight) {
        final int r = Color.red(color), g = Color.green(color), b = Color.blue(color);
        final int yiq = ((r * 299) + (g * 587) + (b * 114)) / 1000;
        return (yiq >= threshold) ? colorDark : colorLight;
    }
}