Adjusts color by given values, positive values means brightening, negative values darkening of original color. - Java 2D Graphics

Java examples for 2D Graphics:Color Dark

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Description

Adjusts color by given values, positive values means brightening, negative values darkening of original color.

Demo Code

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//package com.java2s;

import java.awt.*;

public class Main {
    /**
     * Adjusts color by given values, positive values means brightening,
     * negative values darkening of original color.
     *
     * @return adjusted color
     */
    public static Color adjustColor(Color c, int rDiff, int gDiff, int bDiff) {
        if (c == null) {
            c = Color.GRAY;
        }
        int red = Math.max(0, Math.min(255, c.getRed() + rDiff));
        int green = Math.max(0, Math.min(255, c.getGreen() + gDiff));
        int blue = Math.max(0, Math.min(255, c.getBlue() + bDiff));
        return new Color(red, green, blue);
    }
}

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