Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 JPII and contributors
 *
 * 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 java.awt.AlphaComposite;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

public class Main {
    /**
     * Changes the opacity of a given image.
     * @param src The source image.
     * @param opacity The opacity to change to.
     * @return
     */
    public static BufferedImage imgUtilAdjustImageTransparency(BufferedImage src, float opacity) {
        if (src == null)
            return null;
        AlphaComposite ac = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, opacity);
        BufferedImage cpy = new BufferedImage(src.getWidth(), src.getHeight(), BufferedImage.TYPE_INT_ARGB);
        Graphics2D g = (Graphics2D) cpy.getGraphics();
        g.setComposite(ac);
        g.drawImage(src, 0, 0, null);
        g.dispose();
        return cpy;
    }
}