package com.mercandalli.android.apps.files.common.util; /** * This file is part of FileSpace for Android, an app for managing your server (files, talks...). * <p/> * Copyright (c) 2014-2015 FileSpace for Android contributors (http://mercandalli.com) * <p/> * LICENSE: * <p/> * FileSpace for Android 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 2 of the License, or (at your option) any * later version. * <p/> * FileSpace for Android 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. * * @author Jonathan Mercandalli * @license http://www.gnu.org/licenses/gpl.html * @copyright 2014-2015 FileSpace for Android contributors (http://mercandalli.com) */ import android.graphics.Bitmap; import android.graphics.Color; import android.support.v7.graphics.Palette; import android.util.Log; /** * Created by Jonathan on 6/19/15. */ public class ColorUtils { public static int getMutedColor(Bitmap bitmap) { return Palette.from(bitmap).generate().getMutedColor(0x000000); } public static int getDarkMutedColor(Bitmap bitmap) { return Palette.from(bitmap).generate().getDarkMutedColor(0x000000); } public static int colorText(int backgroundColor) { return isBrightColor(backgroundColor) ? Color.BLACK : Color.WHITE; } public static boolean isBrightColor(int color) { if (android.R.color.transparent == color) { return true; } int[] rgb = {Color.red(color), Color.green(color), Color.blue(color)}; int brightness = (int) Math.sqrt(rgb[0] * rgb[0] * 0.299 + rgb[1] * rgb[1] * 0.587 + rgb[2] * rgb[2] * 0.114); Log.d("ColorUtils", "brightness = " + brightness); return brightness == 0 || brightness >= 200; } }