mirror of
https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
synced 2026-06-06 16:05:32 +00:00
Project renamed to Free Flash Decompiler.
Code moved to new dir. Version changed to 1.3
This commit is contained in:
Jindra Petk
509
trunk/src/com/jpexs/decompiler/flash/SWF.java
Normal file
509
trunk/src/com/jpexs/decompiler/flash/SWF.java
Normal file
@@ -0,0 +1,509 @@
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/*
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* Copyright (C) 2010-2013 JPEXS
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
|
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* the Free Software Foundation, either version 3 of the License, or
|
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.jpexs.decompiler.flash;
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import SevenZip.Compression.LZMA.Encoder;
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import com.jpexs.decompiler.flash.action.TagNode;
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import com.jpexs.decompiler.flash.tags.DefineBitsJPEG2Tag;
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import com.jpexs.decompiler.flash.tags.DefineBitsJPEG3Tag;
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import com.jpexs.decompiler.flash.tags.DefineBitsJPEG4Tag;
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import com.jpexs.decompiler.flash.tags.DefineBitsLossless2Tag;
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import com.jpexs.decompiler.flash.tags.DefineBitsLosslessTag;
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import com.jpexs.decompiler.flash.tags.DefineBitsTag;
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import com.jpexs.decompiler.flash.tags.DoABCTag;
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import com.jpexs.decompiler.flash.tags.JPEGTablesTag;
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import com.jpexs.decompiler.flash.tags.Tag;
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import com.jpexs.decompiler.flash.types.RECT;
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import java.io.*;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import java.util.zip.DeflaterOutputStream;
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import java.util.zip.InflaterInputStream;
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import javax.imageio.ImageIO;
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/**
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* Class representing SWF file
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*
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* @author JPEXS
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*/
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public class SWF {
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/**
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* Default version of SWF file format
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*/
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public static final int DEFAULT_VERSION = 10;
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/**
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* Tags inside of file
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*/
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public List<Tag> tags = new ArrayList<Tag>();
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/**
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* Rectangle for the display
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*/
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public RECT displayRect;
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/**
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* Movie frame rate
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*/
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public int frameRate;
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/**
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* Number of frames in movie
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*/
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public int frameCount;
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/**
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* Version of SWF
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*/
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public int version;
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/**
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* Size of the file
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*/
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public long fileSize;
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/**
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* Use compression
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*/
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public boolean compressed = false;
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/**
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* Use LZMA compression
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*/
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public boolean lzma = false;
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/**
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* Compressed size of the file (LZMA)
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*/
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public long compressedSize;
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/**
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* LZMA Properties
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*/
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public byte lzmaProperties[];
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/**
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* Gets all tags with specified id
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*
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* @param tagId Identificator of tag type
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* @return List of tags
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*/
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public List<Tag> getTagData(int tagId) {
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List<Tag> ret = new ArrayList<Tag>();
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for (Tag tag : tags) {
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if (tag.getId() == tagId) {
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ret.add(tag);
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}
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}
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return ret;
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}
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/**
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* Saves this SWF into new file
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*
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* @param os OutputStream to save SWF in
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* @throws IOException
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*/
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public void saveTo(OutputStream os) throws IOException {
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try {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, version);
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sos.writeRECT(displayRect);
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sos.writeUI8(0);
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sos.writeUI8(frameRate);
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sos.writeUI16(frameCount);
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sos.writeTags(tags);
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sos.writeUI16(0);
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sos.close();
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if (compressed && lzma) {
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os.write('Z');
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} else if (compressed) {
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os.write('C');
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} else {
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os.write('F');
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}
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os.write('W');
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os.write('S');
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os.write(version);
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byte data[] = baos.toByteArray();
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sos = new SWFOutputStream(os, version);
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sos.writeUI32(data.length + 8);
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if (compressed) {
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if (lzma) {
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Encoder enc = new Encoder();
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int val = lzmaProperties[0] & 0xFF;
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int lc = val % 9;
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int remainder = val / 9;
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int lp = remainder % 5;
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int pb = remainder / 5;
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int dictionarySize = 0;
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for (int i = 0; i < 4; i++) {
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dictionarySize += ((int) (lzmaProperties[1 + i]) & 0xFF) << (i * 8);
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}
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enc.SetDictionarySize(dictionarySize);
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enc.SetLcLpPb(lc, lp, pb);
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baos = new ByteArrayOutputStream();
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enc.SetEndMarkerMode(true);
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enc.Code(new ByteArrayInputStream(data), baos, -1, -1, null);
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data = baos.toByteArray();
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byte udata[] = new byte[4];
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udata[0] = (byte) (data.length & 0xFF);
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udata[1] = (byte) ((data.length >> 8) & 0xFF);
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udata[2] = (byte) ((data.length >> 16) & 0xFF);
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udata[3] = (byte) ((data.length >> 24) & 0xFF);
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os.write(udata);
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os.write(lzmaProperties);
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||||
} else {
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os = new DeflaterOutputStream(os);
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||||
}
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||||
}
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os.write(data);
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||||
} finally {
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||||
if (os != null) {
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os.close();
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}
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}
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||||
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||||
}
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public SWF(InputStream is) throws IOException {
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this(is, null);
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||||
}
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||||
/**
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||||
* Construct SWF from stream
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||||
*
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* @param is Stream to read SWF from
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||||
* @throws IOException
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||||
*/
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||||
public SWF(InputStream is, PercentListener listener) throws IOException {
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byte hdr[] = new byte[3];
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is.read(hdr);
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String shdr = new String(hdr);
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||||
if ((!shdr.equals("FWS")) && (!shdr.equals("CWS")) && (!shdr.equals("ZWS"))) {
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throw new IOException("Invalid SWF file");
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||||
}
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||||
version = is.read();
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SWFInputStream sis = new SWFInputStream(is, version, 4);
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fileSize = sis.readUI32();
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if (hdr[0] == 'C') {
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||||
sis = new SWFInputStream(new InflaterInputStream(is), version, 8);
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||||
compressed = true;
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||||
}
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||||
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||||
if (hdr[0] == 'Z') {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
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||||
long outSize = sis.readUI32();
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||||
int propertiesSize = 5;
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||||
lzmaProperties = new byte[propertiesSize];
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||||
if (sis.read(lzmaProperties, 0, propertiesSize) != propertiesSize) {
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throw new IOException("LZMA:input .lzma file is too short");
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||||
}
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||||
SevenZip.Compression.LZMA.Decoder decoder = new SevenZip.Compression.LZMA.Decoder();
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||||
if (!decoder.SetDecoderProperties(lzmaProperties)) {
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||||
throw new IOException("LZMA:Incorrect stream properties");
|
||||
}
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||||
|
||||
if (!decoder.Code(sis, baos, fileSize - 8)) {
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||||
throw new IOException("LZMA:Error in data stream");
|
||||
}
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||||
sis = new SWFInputStream(new ByteArrayInputStream(baos.toByteArray()), version, 8);
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||||
compressed = true;
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||||
lzma = true;
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||||
}
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||||
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||||
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||||
if (listener != null) {
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||||
sis.addPercentListener(listener);
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||||
}
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||||
sis.setPercentMax(fileSize);
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||||
displayRect = sis.readRECT();
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||||
// FIXED8 (16 bit fixed point) frameRate
|
||||
int tmpFirstByetOfFrameRate = sis.readUI8();
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||||
frameRate = sis.readUI8();
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||||
frameCount = sis.readUI16();
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tags = sis.readTagList(0);
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||||
}
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||||
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||||
/**
|
||||
* Compress SWF file
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||||
*
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||||
* @param fis Input stream
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||||
* @param fos Output stream
|
||||
*/
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||||
public static boolean fws2cws(InputStream fis, OutputStream fos) {
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||||
try {
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||||
byte swfHead[] = new byte[8];
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||||
fis.read(swfHead);
|
||||
|
||||
if (swfHead[0] != 'F') {
|
||||
fis.close();
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||||
return false;
|
||||
}
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swfHead[0] = 'C';
|
||||
fos.write(swfHead);
|
||||
fos = new DeflaterOutputStream(fos);
|
||||
int i;
|
||||
while ((i = fis.read()) != -1) {
|
||||
fos.write(i);
|
||||
}
|
||||
|
||||
fis.close();
|
||||
fos.close();
|
||||
} catch (FileNotFoundException ex) {
|
||||
return false;
|
||||
} catch (IOException ex) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decompress SWF file
|
||||
*
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||||
* @param fis Input stream
|
||||
* @param fos Output stream
|
||||
*/
|
||||
public static boolean cws2fws(InputStream fis, OutputStream fos) {
|
||||
try {
|
||||
byte swfHead[] = new byte[8];
|
||||
fis.read(swfHead);
|
||||
InflaterInputStream iis = new InflaterInputStream(fis);
|
||||
if (swfHead[0] != 'C') {
|
||||
fis.close();
|
||||
return false;
|
||||
}
|
||||
swfHead[0] = 'F';
|
||||
fos.write(swfHead);
|
||||
int i;
|
||||
while ((i = iis.read()) != -1) {
|
||||
fos.write(i);
|
||||
}
|
||||
|
||||
fis.close();
|
||||
fos.close();
|
||||
} catch (FileNotFoundException ex) {
|
||||
return false;
|
||||
} catch (IOException ex) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decompress LZMA compressed SWF file
|
||||
*
|
||||
* @param fis Input stream
|
||||
* @param fos Output stream
|
||||
*/
|
||||
public static boolean zws2fws(InputStream fis, OutputStream fos) {
|
||||
try {
|
||||
byte hdr[] = new byte[3];
|
||||
fis.read(hdr);
|
||||
String shdr = new String(hdr);
|
||||
if (!shdr.equals("ZWS")) {
|
||||
return false;
|
||||
}
|
||||
int version = fis.read();
|
||||
SWFInputStream sis = new SWFInputStream(fis, version, 4);
|
||||
long fileSize = sis.readUI32();
|
||||
|
||||
if (hdr[0] == 'Z') {
|
||||
ByteArrayOutputStream baos = new ByteArrayOutputStream();
|
||||
long outSize = sis.readUI32();
|
||||
int propertiesSize = 5;
|
||||
byte lzmaProperties[] = new byte[propertiesSize];
|
||||
if (sis.read(lzmaProperties, 0, propertiesSize) != propertiesSize) {
|
||||
throw new IOException("LZMA:input .lzma file is too short");
|
||||
}
|
||||
SevenZip.Compression.LZMA.Decoder decoder = new SevenZip.Compression.LZMA.Decoder();
|
||||
if (!decoder.SetDecoderProperties(lzmaProperties)) {
|
||||
throw new IOException("LZMA:Incorrect stream properties");
|
||||
}
|
||||
|
||||
if (!decoder.Code(sis, baos, fileSize - 8)) {
|
||||
throw new IOException("LZMA:Error in data stream");
|
||||
}
|
||||
SWFOutputStream sos = new SWFOutputStream(fos, version);
|
||||
sos.write("FWS".getBytes());
|
||||
sos.write(version);
|
||||
sos.writeUI32(fileSize);
|
||||
sos.write(baos.toByteArray());
|
||||
sos.close();
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
} catch (FileNotFoundException ex) {
|
||||
return false;
|
||||
} catch (IOException ex) {
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
public boolean exportActionScript(String outdir, boolean isPcode) throws Exception {
|
||||
boolean asV3Found = false;
|
||||
final EventListener evl = new EventListener() {
|
||||
public void handleEvent(String event, Object data) {
|
||||
if (event.equals("export")) {
|
||||
informListeners(event, data);
|
||||
}
|
||||
}
|
||||
};
|
||||
List<DoABCTag> abcTags = new ArrayList<DoABCTag>();
|
||||
for (Tag t : tags) {
|
||||
if (t instanceof DoABCTag) {
|
||||
abcTags.add((DoABCTag) t);
|
||||
asV3Found = true;
|
||||
}
|
||||
}
|
||||
for (int i = 0; i < abcTags.size(); i++) {
|
||||
DoABCTag t = abcTags.get(i);
|
||||
t.abc.addEventListener(evl);
|
||||
t.abc.export(outdir, isPcode, abcTags, "tag " + (i + 1) + "/" + abcTags.size() + " ");
|
||||
}
|
||||
for (DoABCTag t : abcTags) {
|
||||
}
|
||||
|
||||
if (!asV3Found) {
|
||||
List<Object> list2 = new ArrayList<Object>();
|
||||
list2.addAll(tags);
|
||||
List<TagNode> list = TagNode.createTagList(list2);
|
||||
TagNode.setExport(list, true);
|
||||
return TagNode.exportNode(list, outdir, isPcode);
|
||||
}
|
||||
return asV3Found;
|
||||
}
|
||||
protected HashSet<EventListener> listeners = new HashSet<EventListener>();
|
||||
|
||||
public void addEventListener(EventListener listener) {
|
||||
listeners.add(listener);
|
||||
}
|
||||
|
||||
public void removeEventListener(EventListener listener) {
|
||||
listeners.remove(listener);
|
||||
}
|
||||
|
||||
protected void informListeners(String event, Object data) {
|
||||
for (EventListener listener : listeners) {
|
||||
listener.handleEvent(event, data);
|
||||
}
|
||||
}
|
||||
|
||||
private static String getImageFormat(byte data[]) {
|
||||
if (hasErrorHeader(data)) {
|
||||
return "jpg";
|
||||
}
|
||||
if (data.length > 2 && ((data[0] & 0xff) == 0xff) && ((data[1] & 0xff) == 0xd8)) {
|
||||
return "jpg";
|
||||
}
|
||||
if (data.length > 6 && ((data[0] & 0xff) == 0x47) && ((data[1] & 0xff) == 0x49) && ((data[2] & 0xff) == 0x46) && ((data[3] & 0xff) == 0x38) && ((data[4] & 0xff) == 0x39) && ((data[5] & 0xff) == 0x61)) {
|
||||
return "gif";
|
||||
}
|
||||
|
||||
if (data.length > 8 && ((data[0] & 0xff) == 0x89) && ((data[1] & 0xff) == 0x50) && ((data[2] & 0xff) == 0x4e) && ((data[3] & 0xff) == 0x47) && ((data[4] & 0xff) == 0x0d) && ((data[5] & 0xff) == 0x0a) && ((data[6] & 0xff) == 0x1a) && ((data[7] & 0xff) == 0x0a)) {
|
||||
return "png";
|
||||
}
|
||||
|
||||
return "unk";
|
||||
}
|
||||
|
||||
public static boolean hasErrorHeader(byte data[]) {
|
||||
if (data.length > 4) {
|
||||
if ((data[0] & 0xff) == 0xff) {
|
||||
if ((data[1] & 0xff) == 0xd9) {
|
||||
if ((data[2] & 0xff) == 0xff) {
|
||||
if ((data[3] & 0xff) == 0xd8) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
public static void exportImages(String outdir, List<Tag> tags, JPEGTablesTag jtt) throws IOException {
|
||||
for (Tag t : tags) {
|
||||
if ((t instanceof DefineBitsJPEG2Tag) || (t instanceof DefineBitsJPEG3Tag) || (t instanceof DefineBitsJPEG4Tag)) {
|
||||
byte imageData[] = null;
|
||||
int characterID = 0;
|
||||
if (t instanceof DefineBitsJPEG2Tag) {
|
||||
imageData = ((DefineBitsJPEG2Tag) t).imageData;
|
||||
characterID = ((DefineBitsJPEG2Tag) t).characterID;
|
||||
}
|
||||
if (t instanceof DefineBitsJPEG3Tag) {
|
||||
imageData = ((DefineBitsJPEG3Tag) t).imageData;
|
||||
characterID = ((DefineBitsJPEG3Tag) t).characterID;
|
||||
}
|
||||
if (t instanceof DefineBitsJPEG4Tag) {
|
||||
imageData = ((DefineBitsJPEG4Tag) t).imageData;
|
||||
characterID = ((DefineBitsJPEG4Tag) t).characterID;
|
||||
}
|
||||
|
||||
FileOutputStream fos = null;
|
||||
try {
|
||||
fos = new FileOutputStream(outdir + File.separator + characterID + "." + getImageFormat(imageData));
|
||||
if (hasErrorHeader(imageData)) {
|
||||
fos.write(imageData, 4, imageData.length - 4);
|
||||
} else {
|
||||
fos.write(imageData);
|
||||
}
|
||||
} finally {
|
||||
if (fos != null) {
|
||||
try {
|
||||
fos.close();
|
||||
} catch (Exception ex) {
|
||||
//ignore
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
if (t instanceof DefineBitsLosslessTag) {
|
||||
DefineBitsLosslessTag dbl = (DefineBitsLosslessTag) t;
|
||||
ImageIO.write(dbl.getImage(), "PNG", new File(outdir + File.separator + dbl.characterID + ".png"));
|
||||
}
|
||||
if (t instanceof DefineBitsLossless2Tag) {
|
||||
DefineBitsLossless2Tag dbl = (DefineBitsLossless2Tag) t;
|
||||
|
||||
ImageIO.write(dbl.getImage(), "PNG", new File(outdir + File.separator + dbl.characterID + ".png"));
|
||||
}
|
||||
if ((jtt != null) && (t instanceof DefineBitsTag)) {
|
||||
DefineBitsTag dbt = (DefineBitsTag) t;
|
||||
FileOutputStream fos = null;
|
||||
try {
|
||||
fos = new FileOutputStream(outdir + File.separator + dbt.characterID + ".jpg");
|
||||
fos.write(dbt.getFullImageData(jtt));
|
||||
} finally {
|
||||
if (fos != null) {
|
||||
try {
|
||||
fos.close();
|
||||
} catch (Exception ex) {
|
||||
//ignore
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void exportImages(String outdir) throws IOException {
|
||||
JPEGTablesTag jtt = null;
|
||||
for (Tag t : tags) {
|
||||
if (t instanceof JPEGTablesTag) {
|
||||
jtt = (JPEGTablesTag) t;
|
||||
}
|
||||
}
|
||||
exportImages(outdir, tags, jtt);
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user