org.jpedal.parser.color.CS 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 1997-2017 IDRsolutions and Contributors.
 *
 * This file is part of JPedal/JPDF2HTML5
 *
 @LICENSE@
 *
 * ---------------
 * CS.java
 * ---------------
 */
package org.jpedal.parser.color;

import org.jpedal.color.ColorSpaces;
import org.jpedal.color.ColorspaceFactory;
import org.jpedal.color.GenericColorSpace;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.GraphicsState;
import org.jpedal.objects.raw.PdfArrayIterator;
import org.jpedal.parser.PdfObjectCache;

/**
 *
 */
public class CS {

    public static void execute(final boolean isLowerCase, final String colorspaceObject, final GraphicsState gs, final PdfObjectCache cache, final PdfObjectReader currentPdfFile, final boolean isPrinting) {

        //set flag for stroke
        final boolean isStroke = !isLowerCase;

        final Object rawDict = cache.get(PdfObjectCache.Colorspaces, colorspaceObject);

        final PdfArrayIterator array = ColorspaceFactory.convertColValueToMixedArray(currentPdfFile, (byte[]) rawDict);

        final GenericColorSpace newColorSpace = ColorspaceFactory.getColorSpaceInstance(currentPdfFile, array);

        newColorSpace.setPrinting(isPrinting);

        //pass in pattern arrays containing all values
        if (newColorSpace.getID() == ColorSpaces.Pattern) {

            //at this point we only know it is Pattern so need to pass in WHOLE array
            newColorSpace.setPattern(cache.getPatterns());
            newColorSpace.setGS(gs);
        }

        //track colorspace use
        cache.put(PdfObjectCache.ColorspacesUsed, newColorSpace.getID(), "x");

        if (isStroke) {
            gs.strokeColorSpace = newColorSpace;
        } else {
            gs.nonstrokeColorSpace = newColorSpace;
        }
    }
}