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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 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;
public class CompressedObject extends PdfObject {
private int[] Index, W;
byte[][] ID;
int First, Prev = -1, XRefStm = -1;
private PdfObject Encrypt, Extends, Info, Root;
int Size;
public CompressedObject(final String ref) {
super(ref);
}
public CompressedObject(final int ref, final int gen) {
super(ref, gen);
}
@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;
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.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.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;
default:
super.setDictionary(id, value);
}
}
@Override
public int setConstant(final int pdfKeyType, final int keyStart, final int keyLength, final byte[] raw) {
final int id = PdfObject.getId(keyStart, keyLength, raw);
final int PDFvalue = super.setConstant(pdfKeyType, id);
switch (pdfKeyType) {
case PdfDictionary.SMask:
generalType = PDFvalue;
break;
case PdfDictionary.TR:
generalType = PDFvalue;
break;
}
return PDFvalue;
}
@Override
public int[] getIntArray(final int id) {
switch (id) {
case PdfDictionary.Index:
return deepCopy(Index);
case PdfDictionary.W:
return deepCopy(W);
default:
return super.getIntArray(id);
}
}
@Override
public void setIntArray(final int id, final int[] value) {
switch (id) {
case PdfDictionary.Index:
Index = value;
break;
case PdfDictionary.W:
W = value;
break;
default:
super.setIntArray(id, value);
}
}
@Override
public byte[][] getStringArray(final int id) {
switch (id) {
case PdfDictionary.ID:
return deepCopy(ID);
default:
return super.getStringArray(id);
}
}
@Override
public void setStringArray(final int id, final byte[][] value) {
switch (id) {
case PdfDictionary.ID:
ID = value;
break;
default:
super.setStringArray(id, value);
}
}
@Override
public boolean decompressStreamWhenRead() {
return true;
}
@Override
public int getObjectType() {
return PdfDictionary.CompressedObject;
}
}