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An Open Source JavaFX PDF Viewer
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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2015 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
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 2.1 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; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* CompressedObject.java
* ---------------
*/
package org.jpedal.objects.raw;
import org.jpedal.utils.LogWriter;
public class CompressedObject extends PdfObject {
//unknown CMAP as String
//String unknownValue=null;
private int[] Index, W;
byte[][] ID;
//private float[] Matrix;
//boolean ImageMask=false;
int First, Prev=-1,XRefStm=-1;
private PdfObject Encrypt, Extends, Info, Root;
int Size;
//private PdfObject OPI=null, XObject=null;
public CompressedObject(final String ref) {
super(ref);
}
public CompressedObject(final int ref, final int gen) {
super(ref,gen);
}
@Override
public boolean getBoolean(final int id){
switch(id){
// case PdfDictionary.ImageMask:
// return ImageMask;
default:
return super.getBoolean(id);
}
}
@Override
public void setBoolean(final int id, final boolean value){
switch(id){
// case PdfDictionary.ImageMask:
// ImageMask=value;
// break;
default:
super.setBoolean(id, value);
}
}
@Override
public PdfObject getDictionary(final int id){
switch(id){
case PdfDictionary.Encrypt:
return Encrypt;
case PdfDictionary.Extends:
return Extends;
case PdfDictionary.Info:
return Info;
case PdfDictionary.Root:
return Root;
// case PdfDictionary.XObject:
// return XObject;
default:
return super.getDictionary(id);
}
}
@Override
public void setIntNumber(final int id, final int value){
switch(id){
case PdfDictionary.First:
First=value;
break;
case PdfDictionary.Prev:
//some PDFs can get multiple values and second one wrong
if(Prev==-1) {
Prev = value;
}
break;
case PdfDictionary.Size:
Size=value;
break;
//
// case PdfDictionary.Height:
// Height=value;
// break;
//
case PdfDictionary.XRefStm:
XRefStm=value;
break;
default:
super.setIntNumber(id, value);
}
}
@Override
public int getInt(final int id){
switch(id){
case PdfDictionary.First:
return First;
case PdfDictionary.Prev:
return Prev;
case PdfDictionary.Size:
return Size;
//
// case PdfDictionary.Height:
// return Height;
//
case PdfDictionary.XRefStm:
return XRefStm;
default:
return super.getInt(id);
}
}
@Override
public void setDictionary(final int id, final PdfObject value){
value.setID(id);
switch(id){
case PdfDictionary.Encrypt:
Encrypt=value;
break;
case PdfDictionary.Extends:
Extends=value;
break;
case PdfDictionary.Info:
Info=value;
break;
case PdfDictionary.Root:
Root=value;
break;
// case PdfDictionary.XObject:
// XObject=value;
// break;
default:
super.setDictionary(id, value);
}
}
@Override
public int setConstant(final int pdfKeyType, final int keyStart, final int keyLength, final byte[] raw) {
int PDFvalue =PdfDictionary.Unknown;
int id=0,x=0,next;
try{
//convert token to unique key which we can lookup
for(int i2=keyLength-1;i2>-1;i2--){
next=raw[keyStart+i2];
//System.out.println((char)next);
next -= 48;
id += ((next)<6 && data[6]=='+'){ //lose ABCDEF+ if present
final int length=len-7;
final byte[] newData=new byte[length];
System.arraycopy(data, 7, newData, 0, length);
return new String(newData);
}else {
return new String(data);
}
}else {
return null;
}
default:
throw new RuntimeException("Value not defined in getName(int,mode) in "+this);
}
}
@Override
public byte[][] getKeyArray(final int id) {
switch(id){
default:
return super.getKeyArray(id);
}
}
@Override
public boolean decompressStreamWhenRead() {
return true;
}
@Override
public void setKeyArray(final int id, final byte[][] value) {
switch(id){
// case PdfDictionary.TR:
// TR=value;
// break;
default:
super.setKeyArray(id, value);
}
}
@Override
public int getObjectType(){
return PdfDictionary.CompressedObject;
}
}