Convert CYMK color to RGB color. - Android Graphics

Android examples for Graphics:Color Value

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Description

Convert CYMK color to RGB color.

Demo Code

/*/*from  w w  w  .j  a v  a 2  s.c o m*/
 * 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.
 */
//package com.java2s;

public class Main {
    /**
     * Convert CYMK color to RGB color.
     * This method doesn't check if 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);
    }
}

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