org.jpedal.color.DeviceRGBColorSpace 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


 *
 * ---------------
 * DeviceRGBColorSpace.java
 * ---------------
 */
package org.jpedal.color;

/**
 * handle RGB ColorSpace
 */
public class DeviceRGBColorSpace extends GenericColorSpace {

    private static final long serialVersionUID = -7269417965203263694L;

    public DeviceRGBColorSpace(final boolean isARGB) {
        setType(ColorSpaces.DeviceRGB);

        if (isARGB) {
            componentCount = 4;
        }
    }

    public DeviceRGBColorSpace() {

        setType(ColorSpaces.DeviceRGB);
    }

    /**
     * set DeviceRGB color (in terms of rgb)
     */
    @Override
    public final void setColor(final String[] number_values, final int items) {

        final float[] colValues = new float[items];

        for (int ii = 0; ii < items; ii++) {
            colValues[ii] = Float.parseFloat(number_values[ii]);
        }

        setColor(colValues, items);
    }

    /**
     * set color
     */
    @Override
    public final void setColor(final float[] operand, final int length) {

        int value;

        //note indexed also uses this
        if (length == 1) {

            if (IndexedColorMap == null) { //fix for odd file bert.pdf
                currentColor = new PdfColor(operand[0], operand[0], operand[0]);
            } else {
                //get indexed values
                final int[] val = new int[3];

                final int id = (int) (operand[0] * 3);
                for (int i = 0; i < 3; i++) {
                    value = getIndexedColorComponent(id + i);
                    val[i] = value;
                }

                //set color
                currentColor = new PdfColor(val[0], val[1], val[2]);

            }

        } else if (length > 2) {

            final float[] val = new float[3];

            //set colours and check in range
            for (int i = 0; i < 3; i++) {

                val[i] = operand[i];
                if (val[i] < 0) {
                    val[i] = 0;
                }
                if (val[i] > 1) {
                    val[i] = 1;
                }

            }

            //set color
            currentColor = new PdfColor(val[0], val[1], val[2]);

        }
    }
}