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iText, a free Java-PDF library
/*
* $Id: PdfImportedPage.java 6134 2013-12-23 13:15:14Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2014 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: [email protected]
*/
package com.itextpdf.text.pdf;
import java.io.IOException;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Image;
/** Represents an imported page.
*
* @author Paulo Soares
*/
public class PdfImportedPage extends com.itextpdf.text.pdf.PdfTemplate {
PdfReaderInstance readerInstance;
int pageNumber;
int rotation;
/**
* True if the imported page has been copied to a writer.
* @since iText 5.0.4
*/
protected boolean toCopy = true;
PdfImportedPage(PdfReaderInstance readerInstance, PdfWriter writer, int pageNumber) {
this.readerInstance = readerInstance;
this.pageNumber = pageNumber;
this.writer = writer;
rotation = readerInstance.getReader().getPageRotation(pageNumber);
bBox = readerInstance.getReader().getPageSize(pageNumber);
setMatrix(1, 0, 0, 1, -bBox.getLeft(), -bBox.getBottom());
type = TYPE_IMPORTED;
}
/** Reads the content from this PdfImportedPage-object from a reader.
*
* @return self
*
*/
public PdfImportedPage getFromReader() {
return this;
}
public int getPageNumber() {
return pageNumber;
}
public int getRotation() {
return rotation;
}
/** Always throws an error. This operation is not allowed.
* @param image dummy
* @param a dummy
* @param b dummy
* @param c dummy
* @param d dummy
* @param e dummy
* @param f dummy
* @throws DocumentException dummy */
public void addImage(Image image, float a, float b, float c, float d, float e, float f) throws DocumentException {
throwError();
}
/** Always throws an error. This operation is not allowed.
* @param template dummy
* @param a dummy
* @param b dummy
* @param c dummy
* @param d dummy
* @param e dummy
* @param f dummy */
public void addTemplate(PdfTemplate template, float a, float b, float c, float d, float e, float f) {
throwError();
}
/** Always throws an error. This operation is not allowed.
* @return dummy */
public PdfContentByte getDuplicate() {
throwError();
return null;
}
/**
* Gets the stream representing this page.
*
* @param compressionLevel the compressionLevel
* @return the stream representing this page
* @since 2.1.3 (replacing the method without param compressionLevel)
*/
public PdfStream getFormXObject(int compressionLevel) throws IOException {
return readerInstance.getFormXObject(pageNumber, compressionLevel);
}
public void setColorFill(PdfSpotColor sp, float tint) {
throwError();
}
public void setColorStroke(PdfSpotColor sp, float tint) {
throwError();
}
PdfObject getResources() {
return readerInstance.getResources(pageNumber);
}
/** Always throws an error. This operation is not allowed.
* @param bf dummy
* @param size dummy */
public void setFontAndSize(BaseFont bf, float size) {
throwError();
}
/**
* Always throws an error. This operation is not allowed.
* @param group New value of property group.
* @since 2.1.6
*/
public void setGroup(PdfTransparencyGroup group) {
throwError();
}
void throwError() {
throw new RuntimeException(MessageLocalization.getComposedMessage("content.can.not.be.added.to.a.pdfimportedpage"));
}
PdfReaderInstance getPdfReaderInstance() {
return readerInstance;
}
/**
* Checks if the page has to be copied.
* @return true if the page has to be copied.
* @since iText 5.0.4
*/
public boolean isToCopy() {
return toCopy;
}
/**
* Indicate that the resources of the imported page have been copied.
* @since iText 5.0.4
*/
public void setCopied() {
toCopy = false;
}
}