com.lowagie.text.pdf.internal.PdfXConformanceImp Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of itext2 Show documentation
Show all versions of itext2 Show documentation
Itext is a java library to create and manipulate PDFs.
This is a fork of version 2.1.7 the last MPL/LGPL version.
It's focused basically on mantain compatibility with newer bouncycastle releases and small bugfixes.
/*
* $Id: PdfXConformanceImp.java 3829 2009-04-01 15:50:47Z blowagie $
*
* Copyright 2006 Bruno Lowagie (based on code by Paulo Soares)
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or 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 Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf.internal;
import java.awt.Color;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.ExtendedColor;
import com.lowagie.text.pdf.PatternColor;
import com.lowagie.text.pdf.PdfArray;
import com.lowagie.text.pdf.PdfDictionary;
import com.lowagie.text.pdf.PdfGState;
import com.lowagie.text.pdf.PdfImage;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfNumber;
import com.lowagie.text.pdf.PdfObject;
import com.lowagie.text.pdf.PdfString;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.PdfXConformanceException;
import com.lowagie.text.pdf.ShadingColor;
import com.lowagie.text.pdf.SpotColor;
import com.lowagie.text.pdf.interfaces.PdfXConformance;
public class PdfXConformanceImp implements PdfXConformance {
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_COLOR = 1;
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_CMYK = 2;
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_RGB = 3;
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_FONT = 4;
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_IMAGE = 5;
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_GSTATE = 6;
/** A key for an aspect that can be checked for PDF/X Conformance. */
public static final int PDFXKEY_LAYER = 7;
/**
* The value indicating if the PDF has to be in conformance with PDF/X.
*/
protected int pdfxConformance = PdfWriter.PDFXNONE;
/**
* @see com.lowagie.text.pdf.interfaces.PdfXConformance#setPDFXConformance(int)
*/
public void setPDFXConformance(int pdfxConformance) {
this.pdfxConformance = pdfxConformance;
}
/**
* @see com.lowagie.text.pdf.interfaces.PdfXConformance#getPDFXConformance()
*/
public int getPDFXConformance() {
return pdfxConformance;
}
/**
* 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;
}
/**
* Checks if the PDF has to be in conformance with PDFA1
* @return true of the PDF has to be in conformance with PDFA1
*/
public boolean isPdfA1() {
return pdfxConformance == PdfWriter.PDFA1A || pdfxConformance == PdfWriter.PDFA1B;
}
/**
* Checks if the PDF has to be in conformance with PDFA1A
* @return true of the PDF has to be in conformance with PDFA1A
*/
public boolean isPdfA1A() {
return pdfxConformance == PdfWriter.PDFA1A;
}
public void completeInfoDictionary(PdfDictionary info) {
if (isPdfX() && !isPdfA1()) {
if (info.get(PdfName.GTS_PDFXVERSION) == null) {
if (isPdfX1A2001()) {
info.put(PdfName.GTS_PDFXVERSION, new PdfString("PDF/X-1:2001"));
info.put(new PdfName("GTS_PDFXConformance"), new PdfString("PDF/X-1a:2001"));
}
else if (isPdfX32002())
info.put(PdfName.GTS_PDFXVERSION, new PdfString("PDF/X-3:2002"));
}
if (info.get(PdfName.TITLE) == null) {
info.put(PdfName.TITLE, new PdfString("Pdf document"));
}
if (info.get(PdfName.CREATOR) == null) {
info.put(PdfName.CREATOR, new PdfString("Unknown"));
}
if (info.get(PdfName.TRAPPED) == null) {
info.put(PdfName.TRAPPED, new PdfName("False"));
}
}
}
public void completeExtraCatalog(PdfDictionary extraCatalog) {
if (isPdfX() && !isPdfA1()) {
if (extraCatalog.get(PdfName.OUTPUTINTENTS) == null) {
PdfDictionary out = new PdfDictionary(PdfName.OUTPUTINTENT);
out.put(PdfName.OUTPUTCONDITION, new PdfString("SWOP CGATS TR 001-1995"));
out.put(PdfName.OUTPUTCONDITIONIDENTIFIER, new PdfString("CGATS TR 001"));
out.put(PdfName.REGISTRYNAME, new PdfString("http://www.color.org"));
out.put(PdfName.INFO, new PdfString(""));
out.put(PdfName.S, PdfName.GTS_PDFX);
extraCatalog.put(PdfName.OUTPUTINTENTS, new PdfArray(out));
}
}
}
/**
* Business logic that checks if a certain object is in conformance with PDF/X.
* @param writer the writer that is supposed to write the PDF/X file
* @param key the type of PDF/X conformance that has to be checked
* @param obj1 the object that is checked for conformance
*/
public static void checkPDFXConformance(PdfWriter writer, int key, Object obj1) {
if (writer == null || !writer.isPdfX())
return;
int conf = writer.getPDFXConformance();
switch (key) {
case PDFXKEY_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("Colorspace RGB is not allowed.");
case ExtendedColor.TYPE_SEPARATION:
SpotColor sc = (SpotColor)ec;
checkPDFXConformance(writer, PDFXKEY_COLOR, sc.getPdfSpotColor().getAlternativeCS());
break;
case ExtendedColor.TYPE_SHADING:
ShadingColor xc = (ShadingColor)ec;
checkPDFXConformance(writer, PDFXKEY_COLOR, xc.getPdfShadingPattern().getShading().getColorSpace());
break;
case ExtendedColor.TYPE_PATTERN:
PatternColor pc = (PatternColor)ec;
checkPDFXConformance(writer, PDFXKEY_COLOR, pc.getPainter().getDefaultColor());
break;
}
}
else if (obj1 instanceof Color)
throw new PdfXConformanceException("Colorspace RGB is not allowed.");
break;
}
break;
case PDFXKEY_CMYK:
break;
case PDFXKEY_RGB:
if (conf == PdfWriter.PDFX1A2001)
throw new PdfXConformanceException("Colorspace RGB is not allowed.");
break;
case PDFXKEY_FONT:
if (!((BaseFont)obj1).isEmbedded())
throw new PdfXConformanceException("All the fonts must be embedded. This one isn't: " + ((BaseFont)obj1).getPostscriptFontName());
break;
case PDFXKEY_IMAGE:
PdfImage image = (PdfImage)obj1;
if (image.get(PdfName.SMASK) != null)
throw new PdfXConformanceException("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("Colorspace RGB is not allowed.");
}
else if (cs.isArray()) {
if (PdfName.CALRGB.equals(((PdfArray)cs).getPdfObject(0)))
throw new PdfXConformanceException("Colorspace CalRGB is not allowed.");
}
break;
}
break;
case PDFXKEY_GSTATE:
PdfDictionary gs = (PdfDictionary)obj1;
PdfObject obj = gs.get(PdfName.BM);
if (obj != null && !PdfGState.BM_NORMAL.equals(obj) && !PdfGState.BM_COMPATIBLE.equals(obj))
throw new PdfXConformanceException("Blend mode " + obj.toString() + " not allowed.");
obj = gs.get(PdfName.CA);
double v = 0.0;
if (obj != null && (v = ((PdfNumber)obj).doubleValue()) != 1.0)
throw new PdfXConformanceException("Transparency is not allowed: /CA = " + v);
obj = gs.get(PdfName.ca);
v = 0.0;
if (obj != null && (v = ((PdfNumber)obj).doubleValue()) != 1.0)
throw new PdfXConformanceException("Transparency is not allowed: /ca = " + v);
break;
case PDFXKEY_LAYER:
throw new PdfXConformanceException("Layers are not allowed.");
}
}
}