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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 1997-2016 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


 *
 * ---------------
 * ShadingObject.java
 * ---------------
 */
package org.jpedal.objects.raw;

import java.io.Serializable;
import org.jpedal.utils.LogWriter;

public class ShadingObject extends PdfObject implements Serializable {

	//unknown CMAP as String 
	//String unknownValue=null;

    int ShadingType=-1;

    boolean AntiAlias;
    
    float[] Array, Background, Coords;

    byte[][] Functions;

    float N=-1;
	
    boolean[] Extend;

    public ShadingObject(final String ref) {
        super(ref);
    }

    public ShadingObject(final int ref, final int gen) {
       super(ref,gen);
    }


    @Override
    public byte[][] getKeyArray(final int id) {

        switch(id){

            case PdfDictionary.Function:
                return deepCopy(Functions);

            default:
                return super.getKeyArray(id);
        }
    }

    @Override
    public void setKeyArray(final int id, final byte[][] value) {

        switch(id){

            case PdfDictionary.Function:
                Functions=value;
                break;

            default:
                super.setKeyArray(id, value);
        }

    }


    @Override
    public boolean getBoolean(final int id){

        switch(id){

        case PdfDictionary.AntiAlias:
        	return AntiAlias;

       
            default:
            	return super.getBoolean(id);
        }

    }
    
    @Override
    public void setBoolean(final int id, final boolean value){

        switch(id){

        case PdfDictionary.AntiAlias:
        	AntiAlias=value;
        	break;
        
            default:
                super.setBoolean(id, value);
        }
    }


    @Override
    public void setIntNumber(final int id, final int value){

        switch(id){

	        case PdfDictionary.ShadingType:
	            ShadingType=value;
	        break;
        
            default:
            	super.setIntNumber(id, value);
        }
    }

    @Override
    public int getInt(final int id){

        switch(id){

        	
	        case PdfDictionary.ShadingType:
	            return ShadingType;
	          
            default:
            	return super.getInt(id);
        }
    }

    @Override
    public void setDictionary(final int id, final PdfObject value){

    	value.setID(id);
    	
        switch(id){

//            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];

            	next -= 48;

                id += ((next)<