com.twelvemonkeys.imageio.plugins.ico.BitmapMask Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of imageio-ico Show documentation

ImageIO plugin for Windows Icon (ICO) and Cursor (CUR) format.

The newest version!

/*
 * Copyright (c) 2009, Harald Kuhr
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name "TwelveMonkeys" nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.twelvemonkeys.imageio.plugins.ico;

import java.awt.image.BufferedImage;


/**
 * Describes a transparency mask structure (1 bit).
 *
 * @author Harald Kuhr
 * @version $Id: BitmapMask.java,v 1.0 25.feb.2006 00:29:44 haku Exp$
 */
class BitmapMask extends BitmapDescriptor {
    protected final BitmapIndexed mask;

    public BitmapMask(final DirectoryEntry pParent, final DIBHeader pHeader) {
        super(pParent, pHeader);
        mask = new BitmapIndexed(pParent, pHeader);
    }

    boolean isTransparent(final int pX, final int pY) {
        // NOTE: 1: Fully transparent, 0: Opaque...
        return mask.bits[pX + pY * getWidth()] != 0;
    }

    public BufferedImage getImage() {
        return mask.getImage();
    }
}