swftagtypesimpl.java

java和flash混合编程

/****************************************************************
 * Copyright (c) 2001, David N. Main, All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the 
 * following conditions are met:
 *
 * 1. Redistributions of source code must retain the above 
 * copyright notice, this list of conditions and the following 
 * disclaimer. 
 * 
 * 2. 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.
 * 
 * 3. The name of the author may not be used to endorse or 
 * promote products derived from this software without specific 
 * prior written permission. 
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 
 * AUTHOR 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.anotherbigidea.flash.writers;

import java.io.IOException;
import java.io.InputStream;
import java.util.Vector;

import com.anotherbigidea.flash.interfaces.SWFActions;
import com.anotherbigidea.flash.interfaces.SWFFileSignature;
import com.anotherbigidea.flash.interfaces.SWFShape;
import com.anotherbigidea.flash.interfaces.SWFTagTypes;
import com.anotherbigidea.flash.interfaces.SWFText;
import com.anotherbigidea.flash.interfaces.SWFVectors;
import com.anotherbigidea.flash.structs.AlphaColor;
import com.anotherbigidea.flash.structs.AlphaTransform;
import com.anotherbigidea.flash.structs.Color;
import com.anotherbigidea.flash.structs.ColorTransform;
import com.anotherbigidea.flash.structs.Matrix;
import com.anotherbigidea.flash.structs.Rect;
import com.anotherbigidea.flash.structs.SoundInfo;

/**
 * A pass-through implementation of the SWFTagTypes and SWFFileSignature 
 * interfaces - useful as a base class
 */
public class SWFTagTypesImpl implements SWFTagTypes, SWFFileSignature 
{
    protected SWFTagTypes mTagtypes;
    
    /** No pass-thru */
    public SWFTagTypesImpl() {}
    
    /**
     * @param tags may be null
     */
    public SWFTagTypesImpl( SWFTagTypes tags )
    {
        mTagtypes = tags;
    }
    
    /**
     * SWFTags interface
     */    
    public void tag( int tagType, boolean longTag, byte[] contents ) 
        throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tag( tagType, longTag, contents );
    }

	/**
	 * @see SWFFileSignature#signature(String)
	 */
	public void signature( String sig ) {
		if( mTagtypes != null && mTagtypes instanceof SWFFileSignature ) {
			((SWFFileSignature) mTagtypes).signature( sig );
		}
	}

    /**
     * SWFHeader interface.
     * Sets movie length to -1 to force a recalculation since the length
     * cannot be guaranteed to be the same as the original.
     */
    public void header( int version, long length,
                        int twipsWidth, int twipsHeight,
                        int frameRate, int frameCount ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.header( version, length, twipsWidth, twipsHeight,
                                        frameRate, frameCount );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagEnd() throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagEnd();
    }

    /**
     * SWFTagTypes interface
     */
    public void tagDefineSound( int id, int format, int frequency,
                                boolean bits16, boolean stereo,
                                int sampleCount, byte[] soundData ) 
        throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagDefineSound( id, format, frequency,
                                bits16, stereo, sampleCount, soundData );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagDefineButtonSound( int buttonId,
                    int rollOverSoundId, SoundInfo rollOverSoundInfo,
                    int rollOutSoundId,  SoundInfo rollOutSoundInfo,
                    int pressSoundId,    SoundInfo pressSoundInfo,
                    int releaseSoundId,  SoundInfo releaseSoundInfo )
        throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagDefineButtonSound( buttonId,
                    rollOverSoundId, rollOverSoundInfo,
                    rollOutSoundId,  rollOutSoundInfo,
                    pressSoundId,    pressSoundInfo,
                    releaseSoundId,  releaseSoundInfo );
    }    
    
    /**
     * SWFTagTypes interface
     */
    public void tagStartSound( int soundId, SoundInfo info ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagStartSound( soundId, info );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagSoundStreamHead( 
        int playbackFrequency, boolean playback16bit, boolean playbackStereo,
        int streamFormat, int streamFrequency, boolean stream16bit, boolean streamStereo,
        int averageSampleCount ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagSoundStreamHead( 
            playbackFrequency, playback16bit, playbackStereo,
            streamFormat, streamFrequency, stream16bit, streamStereo,
            averageSampleCount );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagSoundStreamHead2( 
        int playbackFrequency, boolean playback16bit, boolean playbackStereo,
        int streamFormat, int streamFrequency, boolean stream16bit, boolean streamStereo,
        int averageSampleCount ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagSoundStreamHead2( 
            playbackFrequency, playback16bit, playbackStereo,
            streamFormat, streamFrequency, stream16bit, streamStereo,
            averageSampleCount );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagSoundStreamBlock( byte[] soundData ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagSoundStreamBlock( soundData );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagSerialNumber( String serialNumber ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagSerialNumber( serialNumber );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagGenerator( byte[] data ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagGenerator( data );
    }
    
    /**
     * SWFTagTypes interface
     */
    public void tagGeneratorText( byte[] data ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagGeneratorText( data );
    }

    /**
     * SWFTagTypes interface
     */
    public void tagGeneratorFont( byte[] data ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagGeneratorFont( data );
    }     
    
    /**
     * SWFTagTypes interface
     */
    public void tagGeneratorCommand( byte[] data ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagGeneratorCommand( data );
    }    

    /**
     * SWFTagTypes interface
     */
    public void tagNameCharacter( byte[] data ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagNameCharacter( data );
    }        
    
    /**
     * SWFTagTypes interface
     */
    public void tagDefineBits( int id, byte[] imageData ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagDefineBits( id, imageData );
    }        
    
    /**
     * SWFTagTypes interface
     */
    public void tagJPEGTables( byte[] jpegEncodingData ) throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagJPEGTables( jpegEncodingData );
    }        

    /**
     * SWFTagTypes interface
     */
    public void tagDefineBitsJPEG3( int id, byte[] imageData, byte[] alphaData ) 
        throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagDefineBitsJPEG3( id, imageData, alphaData );
    }        
        
    /**
     * SWFTagTypes interface
     */
    public void tagShowFrame() throws IOException
    {
        if( mTagtypes != null ) mTagtypes.tagShowFrame();
    }
    
    /**
     * SWFTagTypes interface
     */
    public SWFActions tagDoAction() throws IOException
    {
        if( mTagtypes != null ) return mTagtypes.tagDoAction();
        return null;
    }
    
	/**
	 * SWFTagTypes interface
	 */
	public SWFActions tagDoInitAction( int spriteId ) throws IOException
	{
		if( mTagtypes != null ) return mTagtypes.tagDoInitAction( spriteId );
		return null;
	}
	    
    /**
     * SWFTagTypes interface
     */
    public SWFShape tagDefineShape( int id, Rect outline ) throws IOException
    {
        if( mTagtypes != null ) return mTagtypes.tagDefineShape( id, outline );
        return null;
    }
    
    /**
     * SWFTagTypes interface
     */
    public SWFShape tagDefineShape2( int id, Rect outline ) throws IOException
    {
        if( mTagtypes != null ) return mTagtypes.tagDefineShape2( id, outline );
        return null;
    }
    
    /**
     * SWFTagTypes interface
     */
    public SWFShape tagDefineShape3( int id, Rect outline ) throws IOException
    {
        if( mTagtypes != null ) return mTagtypes.tagDefineShape3( id, outline );
        return null;
    }    
    
    /**
     * SWFTagTypes interface
     */    
    public void tagFreeCharacter( int charId ) throws IOException 
    {
        if( mTagtypes != null ) mTagtypes.tagFreeCharacter( charId );     
    }
    
    /**
     * SWFTagTypes interface
     */    
    public void tagPlaceObject( int charId, int depth, 
                                Matrix matrix, AlphaTransform cxform ) 
        throws IOException