Java tutorial
//package com.java2s; /* * Copyright 2014 Soichiro Kashima * * 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. */ public class Main { /** * Convert CYMK color to RGB color. * This method doesn't check f cmyk is not null or have 4 elements in array. * * @param cmyk target CYMK color. Each value should be between 0.0f to 1.0f, * and should be set in this order: cyan, magenta, yellow, black. * @return ARGB color. Alpha is fixed value (255). */ public static int rgbFromCmyk(float[] cmyk) { float cyan = cmyk[0]; float magenta = cmyk[1]; float yellow = cmyk[2]; float black = cmyk[3]; int red = (int) ((1.0f - Math.min(1.0f, cyan * (1.0f - black) + black)) * 255); int green = (int) ((1.0f - Math.min(1.0f, magenta * (1.0f - black) + black)) * 255); int blue = (int) ((1.0f - Math.min(1.0f, yellow * (1.0f - black) + black)) * 255); return ((0xff & red) << 16) + ((0xff & green) << 8) + (0xff & blue); } }