/*
* JSwiff is an open source Java API for Macromedia Flash file generation
* and manipulation
*
* Copyright (C) 2004-2005 Ralf Terdic (contact@jswiff.com)
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.jswiff.swfrecords.actions;
import com.jswiff.io.OutputBitStream;
/**
* <p>
* Executes the script attached to a specified frame. The argument can be a
* frame number or a frame label.<br>
* This action is deprecated since SWF 5. Use <code>CallFunction</code> where
* possible.
* </p>
*
* <p>
* Performed stack operations:<br><code>pop frame</code> (number or label)
* </p>
*
* <p>
* ActionScript equivalent: the <code>&&</code> operator
* </p>
*
* @since SWF 4
*/
public final class Call extends Action {
/**
* Creates a new Call action.
*/
public Call() {
code = ActionConstants.CALL;
}
/**
* <p>
* Returns the size of this action record in bytes. Can be used to compute
* the size of an action block (e.g. for implementing jumps, function
* definitions etc.).
* </p>
*
* @return size of action record (in bytes)
*/
public int getSize() {
return 3; // 1 (code) + 2 (size - always 0 ...)
}
/**
* Returns a short description of this action.
*
* @return <code>"Call"</code>
*/
public String toString() {
return "Call";
}
protected void writeData(
OutputBitStream dataStream, OutputBitStream mainStream) {
// don't do anything
}
}