org.jpedal.objects.raw.ColorSpaceObject Maven / Gradle / Ivy

/*
 * ===========================================
 * 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


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

import org.jpedal.color.ColorSpaces;
import org.jpedal.utils.LogWriter;

public class ColorSpaceObject extends PdfObject {

	//unknown CMAP as String
	//String unknownValue=null;
	
	String Name;
	
	byte[] rawName;
	
	PdfObject Process;
	
	int Alternate=PdfDictionary.Unknown;

	private byte[][] rawComponents;
	
	private float[] BlackPoint, Gamma, WhitePoint;
	
	float N=-1;
	
    public ColorSpaceObject(final String ref) {
        super(ref);
    }

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

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

        switch(id){

            case PdfDictionary.Components:
       		    return deepCopy(rawComponents);

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

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

        switch(id){

            case PdfDictionary.Components:
            	rawComponents=value;
            break;

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

    }


    @Override
    public PdfObject getDictionary(final int id){

        switch(id){
	
        case PdfDictionary.Process:
        	return Process;
        
            default:
                return super.getDictionary(id);
        }
    }

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

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

            case PdfDictionary.Process:
            	Process=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)<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 int getObjectType() {
		return PdfDictionary.ColorSpace;
	}
    
    
    @Override
    public boolean decompressStreamWhenRead() {
		return true;
	}
}