iText 5 itextpdf.jar Source Code

itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

✍: FYIcenter.com

com/itextpdf/text/pdf/internal/PdfXConformanceImp.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 iText Group NV
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program 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 Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.text.pdf.internal;

import com.itextpdf.text.BaseColor;
import com.itextpdf.text.error_messages.MessageLocalization;

import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.ExtendedColor;
import com.itextpdf.text.pdf.PatternColor;
import com.itextpdf.text.pdf.PdfArray;
import com.itextpdf.text.pdf.PdfDictionary;
import com.itextpdf.text.pdf.PdfGState;
import com.itextpdf.text.pdf.PdfImage;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfNumber;
import com.itextpdf.text.pdf.PdfObject;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.PdfXConformanceException;
import com.itextpdf.text.pdf.ShadingColor;
import com.itextpdf.text.pdf.SpotColor;
import com.itextpdf.text.pdf.interfaces.PdfXConformance;

public class PdfXConformanceImp implements PdfXConformance {

    /**
     * The value indicating if the PDF has to be in conformance with PDF/X.
     */
    protected int pdfxConformance = PdfWriter.PDFXNONE;
    protected PdfWriter writer;

    public PdfXConformanceImp(PdfWriter writer) {
        this.writer = writer;
    }

    /**
     * @see com.itextpdf.text.pdf.interfaces.PdfXConformance#setPDFXConformance(int)
     */
    public void setPDFXConformance(int pdfxConformance) {
        this.pdfxConformance = pdfxConformance;
    }

	/**
	 * @see com.itextpdf.text.pdf.interfaces.PdfXConformance#getPDFXConformance()
	 */
	public int getPDFXConformance() {
		return pdfxConformance;
	}

	/**
	 * @see com.itextpdf.text.pdf.interfaces.PdfIsoConformance#isPdfIso()
	 */
    public boolean isPdfIso() {
        return isPdfX();
    }

    /**
     * Checks if the PDF/X Conformance is necessary.
     * @return true if the PDF has to be in conformance with any of the PDF/X specifications
     */
    public boolean isPdfX() {
    	return pdfxConformance != PdfWriter.PDFXNONE;
    }
    /**
     * Checks if the PDF has to be in conformance with PDF/X-1a:2001
     * @return true of the PDF has to be in conformance with PDF/X-1a:2001
     */
    public boolean isPdfX1A2001() {
    	return pdfxConformance == PdfWriter.PDFX1A2001;
    }
    /**
     * Checks if the PDF has to be in conformance with PDF/X-3:2002
     * @return true of the PDF has to be in conformance with PDF/X-3:2002
     */
    public boolean isPdfX32002() {
    	return pdfxConformance == PdfWriter.PDFX32002;
    }

    /**
	 * Business logic that checks if a certain object is in conformance with PDF/X.
     * @param key		the type of PDF ISO conformance that has to be checked
     * @param obj1		the object that is checked for conformance
     */
    public void checkPdfIsoConformance(int key, Object obj1) {
        if (writer == null || !writer.isPdfX())
            return;
        int conf = writer.getPDFXConformance();
        switch (key) {
            case PdfIsoKeys.PDFISOKEY_COLOR:
                switch (conf) {
                    case PdfWriter.PDFX1A2001:
                        if (obj1 instanceof ExtendedColor) {
                            ExtendedColor ec = (ExtendedColor)obj1;
                            switch (ec.getType()) {
                                case ExtendedColor.TYPE_CMYK:
                                case ExtendedColor.TYPE_GRAY:
                                    return;
                                case ExtendedColor.TYPE_RGB:
                                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("colorspace.rgb.is.not.allowed"));
                                case ExtendedColor.TYPE_SEPARATION:
                                    SpotColor sc = (SpotColor)ec;
                                    checkPdfIsoConformance(PdfIsoKeys.PDFISOKEY_COLOR, sc.getPdfSpotColor().getAlternativeCS());
                                    break;
                                case ExtendedColor.TYPE_SHADING:
                                    ShadingColor xc = (ShadingColor)ec;
                                    checkPdfIsoConformance(PdfIsoKeys.PDFISOKEY_COLOR, xc.getPdfShadingPattern().getShading().getColorSpace());
                                    break;
                                case ExtendedColor.TYPE_PATTERN:
                                    PatternColor pc = (PatternColor)ec;
                                    checkPdfIsoConformance(PdfIsoKeys.PDFISOKEY_COLOR, pc.getPainter().getDefaultColor());
                                    break;
                            }
                        }
                        else if (obj1 instanceof BaseColor)
                            throw new PdfXConformanceException(MessageLocalization.getComposedMessage("colorspace.rgb.is.not.allowed"));
                        break;
                }
                break;
            case PdfIsoKeys.PDFISOKEY_CMYK:
                break;
            case PdfIsoKeys.PDFISOKEY_RGB:
                if (conf == PdfWriter.PDFX1A2001)
                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("colorspace.rgb.is.not.allowed"));
                break;
            case PdfIsoKeys.PDFISOKEY_FONT:
                if (!((BaseFont)obj1).isEmbedded())
                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("all.the.fonts.must.be.embedded.this.one.isn.t.1", ((BaseFont)obj1).getPostscriptFontName()));
                break;
            case PdfIsoKeys.PDFISOKEY_IMAGE:
                PdfImage image = (PdfImage)obj1;
                if (image.get(PdfName.SMASK) != null)
                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("the.smask.key.is.not.allowed.in.images"));
                switch (conf) {
                    case PdfWriter.PDFX1A2001:
                        PdfObject cs = image.get(PdfName.COLORSPACE);
                        if (cs == null)
                            return;
                        if (cs.isName()) {
                            if (PdfName.DEVICERGB.equals(cs))
                                throw new PdfXConformanceException(MessageLocalization.getComposedMessage("colorspace.rgb.is.not.allowed"));
                        }
                        else if (cs.isArray()) {
                            if (PdfName.CALRGB.equals(((PdfArray)cs).getPdfObject(0)))
                                throw new PdfXConformanceException(MessageLocalization.getComposedMessage("colorspace.calrgb.is.not.allowed"));
                        }
                        break;
                }
                break;
            case PdfIsoKeys.PDFISOKEY_GSTATE:
                PdfDictionary gs = (PdfDictionary)obj1;
                // The example PdfXPdfA threw a NullPointerException because gs was null
                if (gs == null)
                	break;
                PdfObject obj = gs.get(PdfName.BM);
                if (obj != null && !PdfGState.BM_NORMAL.equals(obj) && !PdfGState.BM_COMPATIBLE.equals(obj))
                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("blend.mode.1.not.allowed", obj.toString()));
                obj = gs.get(PdfName.CA);
                double v = 0.0;
                if (obj != null && (v = ((PdfNumber)obj).doubleValue()) != 1.0)
                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("transparency.is.not.allowed.ca.eq.1", String.valueOf(v)));
                obj = gs.get(PdfName.ca);
                v = 0.0;
                if (obj != null && (v = ((PdfNumber)obj).doubleValue()) != 1.0)
                    throw new PdfXConformanceException(MessageLocalization.getComposedMessage("transparency.is.not.allowed.ca.eq.1", String.valueOf(v)));
                break;
            case PdfIsoKeys.PDFISOKEY_LAYER:
                throw new PdfXConformanceException(MessageLocalization.getComposedMessage("layers.are.not.allowed"));
        }
    }
}

com/itextpdf/text/pdf/internal/PdfXConformanceImp.java

 

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2021-07-03, 47758👍, 0💬