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Open Source (LGPL) JavaFX PDF Viewer for NetBeans plugin

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

import org.jpedal.io.types.PdfArray;
import org.jpedal.objects.GraphicsState;
import org.jpedal.parser.CommandParser;

public class D {


    public static void execute(final CommandParser parser, final GraphicsState gs) {


        final String values; //used to combine values

        //and the dash array
        final int items = parser.getOperandCount();

        if (items == 1) {
            values = parser.generateOpAsString(0, false);
        } else {
            //concat values
            final StringBuilder list = new StringBuilder(15);
            for (int i = items - 1; i > -1; i--) {
                list.append(parser.generateOpAsString(i, false));
                list.append(' ');
            }
            values = list.toString();
        }

        //allow for default
        if ((values.equals("[ ] 0 ")) || (values.equals("[]0")) || (values.equals("[] 0 "))) {
            gs.setDashPhase(0);
            gs.setDashArray(new float[0]);
        } else {

            //get dash pattern
            final int pointer = values.indexOf(']');

            final String dash = values.substring(0, pointer);
            final int phase = (int) Float.parseFloat(values.substring(pointer + 1, values.length()).trim());

            //put into dash array
            final float[] dash_array = PdfArray.convertToFloatArray(dash);

            for (int aa = 0; aa < dash_array.length; aa++) {
                // System.out.println(aa+" "+dash_array[aa]);

                if (dash_array[aa] < 0.001) {
                    dash_array[aa] = 0;
                }
            }
            //put array into global value
            gs.setDashArray(dash_array);

            //last value is phase
            gs.setDashPhase(phase);

        }
    }


}