com.twelvemonkeys.imageio.plugins.psd.PSDAlphaChannelInfo Maven / Gradle / Ivy

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ImageIO plugin for Adobe Photoshop Document (PSD).

There is a newer version: 3.11.0

/*
 * Copyright (c) 2014, 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 of the copyright holder 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 HOLDER 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.psd;

import javax.imageio.stream.ImageInputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

/**
 * PSDAlphaChannelInfo
 *
 * @author Harald Kuhr
 * @author last modified by $Author: haraldk$
 * @version $Id: PSDAlphaChannelInfo.java,v 1.0 May 2, 2008 5:33:40 PM haraldk Exp$
 */
final class PSDAlphaChannelInfo extends PSDImageResource {
    List names;

    public PSDAlphaChannelInfo(short pId, final ImageInputStream pInput) throws IOException {
        super(pId, pInput);
    }

    @Override
    protected void readData(final ImageInputStream pInput) throws IOException {
        names = new ArrayList<>();

        long left = size;
        while (left > 0) {
            String name = PSDUtil.readPascalString(pInput);
            names.add(name);
            left -= name.length() + 1;
        }
    }

    @Override
    public String toString() {
        StringBuilder builder = toStringBuilder();
        builder.append(", alpha channels: ").append(names).append("]");
        return builder.toString();
    }
}