com.idrsolutions.pdf.color.shading.PixelFactory 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
 *
     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


 *
 * ---------------
 * PixelFactory.java
 * ---------------
 */
package com.idrsolutions.pdf.color.shading;

public class PixelFactory {

    //return both pdfX at [0] & pdfY at [1]
    public static float[] convertPhysicalToPDF(final boolean isPrinting, final float x, final float y, final float offX, final float offY, final float scaling, final int xstart, final int ystart, final int minX, final int pageHeight) {

        final float pdfX;
        final float pdfY;

        if (isPrinting) {

            pdfX = ((x + xstart) - offX) * scaling;
            pdfY = ((y + ystart) - offY) * scaling;

        } else {
            pdfX = (scaling * (x + xstart + minX - offX));
            pdfY = (scaling * ((pageHeight - (y + ystart - offY))));

        }
        return new float[]{pdfX, pdfY};
    }
}