/*
 *  Copyright (C) 2010-2014 JPEXS, All rights reserved.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3.0 of the License, or (at your option) any later version.
 * 
 * This library 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
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library.
 */
package com.jpexs.decompiler.flash.tags.gfx;

import com.jpexs.decompiler.flash.SWFInputStream;
import com.jpexs.decompiler.flash.SWFOutputStream;
import com.jpexs.decompiler.flash.tags.Tag;
import com.jpexs.helpers.ByteArrayRange;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;

/**
 *
 *
 * @author JPEXS
 */
public class DefineGradientMap extends Tag {

    public static final int ID = 1004;
    public int indices[];

    /**
     * Gets data bytes
     *
     * @return Bytes of data
     */
    @Override
    public byte[] getData() {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OutputStream os = baos;
        SWFOutputStream sos = new SWFOutputStream(os, getVersion());
        try {
            sos.writeUI16(indices.length);
            for (int i = 0; i < indices.length; i++) {
                sos.writeUI16(indices[i]);
            }
        } catch (IOException e) {
            throw new Error("This should never happen.", e);
        }
        return baos.toByteArray();
    }

    /**
     * Constructor
     *
     * @param sis
     * @param data
     * @throws IOException
     */
    public DefineGradientMap(SWFInputStream sis, ByteArrayRange data) throws IOException {
        super(sis.getSwf(), ID, "DefineGradientMap", data);
        int numGradients = sis.readUI16("numGradients");
        indices = new int[numGradients];
        for (int i = 0; i < numGradients; i++) {
            indices[i] = sis.readUI16("index");
        }
    }
}
