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/*
* $Id: 6986e0888b5d5e1f7bdd132da6573d3e93002ca7 $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2016 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 com.itextpdf.awt.geom.AffineTransform;
import com.itextpdf.text.AccessibleElementId;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.interfaces.IAccessibleElement;
import com.itextpdf.text.pdf.internal.PdfIsoKeys;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
/**
* A PdfAnnotation is a note that is associated with a page.
*
* @see PdfDictionary
*/
public class PdfAnnotation extends PdfDictionary implements IAccessibleElement {
/** highlight attributename */
public static final PdfName HIGHLIGHT_NONE = PdfName.N;
/** highlight attributename */
public static final PdfName HIGHLIGHT_INVERT = PdfName.I;
/** highlight attributename */
public static final PdfName HIGHLIGHT_OUTLINE = PdfName.O;
/** highlight attributename */
public static final PdfName HIGHLIGHT_PUSH = PdfName.P;
/** highlight attributename */
public static final PdfName HIGHLIGHT_TOGGLE = PdfName.T;
/** flagvalue */
public static final int FLAGS_INVISIBLE = 1;
/** flagvalue */
public static final int FLAGS_HIDDEN = 2;
/** flagvalue */
public static final int FLAGS_PRINT = 4;
/** flagvalue */
public static final int FLAGS_NOZOOM = 8;
/** flagvalue */
public static final int FLAGS_NOROTATE = 16;
/** flagvalue */
public static final int FLAGS_NOVIEW = 32;
/** flagvalue */
public static final int FLAGS_READONLY = 64;
/** flagvalue */
public static final int FLAGS_LOCKED = 128;
/** flagvalue */
public static final int FLAGS_TOGGLENOVIEW = 256;
/** flagvalue PDF 1.7*/
public static final int FLAGS_LOCKEDCONTENTS = 512;
/** appearance attributename */
public static final PdfName APPEARANCE_NORMAL = PdfName.N;
/** appearance attributename */
public static final PdfName APPEARANCE_ROLLOVER = PdfName.R;
/** appearance attributename */
public static final PdfName APPEARANCE_DOWN = PdfName.D;
/** attributevalue */
public static final PdfName AA_ENTER = PdfName.E;
/** attributevalue */
public static final PdfName AA_EXIT = PdfName.X;
/** attributevalue */
public static final PdfName AA_DOWN = PdfName.D;
/** attributevalue */
public static final PdfName AA_UP = PdfName.U;
/** attributevalue */
public static final PdfName AA_FOCUS = PdfName.FO;
/** attributevalue */
public static final PdfName AA_BLUR = PdfName.BL;
/** attributevalue */
public static final PdfName AA_JS_KEY = PdfName.K;
/** attributevalue */
public static final PdfName AA_JS_FORMAT = PdfName.F;
/** attributevalue */
public static final PdfName AA_JS_CHANGE = PdfName.V;
/** attributevalue */
public static final PdfName AA_JS_OTHER_CHANGE = PdfName.C;
/** attributevalue */
public static final int MARKUP_HIGHLIGHT = 0;
/** attributevalue */
public static final int MARKUP_UNDERLINE = 1;
/** attributevalue */
public static final int MARKUP_STRIKEOUT = 2;
/**
* attributevalue
* @since 2.1.3
*/
public static final int MARKUP_SQUIGGLY = 3;
protected PdfWriter writer;
/**
* Reference to this annotation.
* @since 2.1.6; was removed in 2.1.5, but restored in 2.1.6
*/
protected PdfIndirectReference reference;
protected HashSet templates;
protected boolean form = false;
protected boolean annotation = true;
/** Holds value of property used. */
protected boolean used = false;
/** Holds value of property placeInPage. */
private int placeInPage = -1;
protected PdfName role = null;
protected HashMap accessibleAttributes = null;
private AccessibleElementId id = null;
// constructors
public PdfAnnotation(PdfWriter writer, Rectangle rect) {
this.writer = writer;
if (rect != null)
put(PdfName.RECT, new PdfRectangle(rect));
}
/**
* Constructs a new PdfAnnotation of subtype text.
* @param writer
* @param llx
* @param lly
* @param urx
* @param ury
* @param title
* @param content
*/
public PdfAnnotation(PdfWriter writer, float llx, float lly, float urx, float ury, PdfString title, PdfString content) {
this.writer = writer;
put(PdfName.SUBTYPE, PdfName.TEXT);
put(PdfName.T, title);
put(PdfName.RECT, new PdfRectangle(llx, lly, urx, ury));
put(PdfName.CONTENTS, content);
}
/**
* Constructs a new PdfAnnotation of subtype link (Action).
* @param writer
* @param llx
* @param lly
* @param urx
* @param ury
* @param action
*/
public PdfAnnotation(PdfWriter writer, float llx, float lly, float urx, float ury, PdfAction action) {
this.writer = writer;
put(PdfName.SUBTYPE, PdfName.LINK);
put(PdfName.RECT, new PdfRectangle(llx, lly, urx, ury));
put(PdfName.A, action);
put(PdfName.BORDER, new PdfBorderArray(0, 0, 0));
put(PdfName.C, new PdfColor(0x00, 0x00, 0xFF));
}
/**
* Creates a screen PdfAnnotation
* @param writer
* @param rect
* @param clipTitle
* @param fs
* @param mimeType
* @param playOnDisplay
* @return a screen PdfAnnotation
* @throws IOException
*/
public static PdfAnnotation createScreen(PdfWriter writer, Rectangle rect, String clipTitle, PdfFileSpecification fs,
String mimeType, boolean playOnDisplay) throws IOException {
PdfAnnotation ann = writer.createAnnotation(rect, PdfName.SCREEN);
ann.put (PdfName.F, new PdfNumber(FLAGS_PRINT));
ann.put(PdfName.TYPE, PdfName.ANNOT);
ann.setPage();
PdfIndirectReference ref = ann.getIndirectReference();
PdfAction action = PdfAction.rendition(clipTitle,fs,mimeType, ref);
PdfIndirectReference actionRef = writer.addToBody(action).getIndirectReference();
// for play on display add trigger event
if (playOnDisplay)
{
PdfDictionary aa = new PdfDictionary();
aa.put(new PdfName("PV"), actionRef);
ann.put(PdfName.AA, aa);
}
ann.put(PdfName.A, actionRef);
return ann;
}
/**
* Returns an indirect reference to the annotation
* @return the indirect reference
*/
public PdfIndirectReference getIndirectReference() {
if (reference == null) {
reference = writer.getPdfIndirectReference();
}
return reference;
}
/**
* @param writer
* @param rect
* @param title
* @param contents
* @param open
* @param icon
* @return a PdfAnnotation
*/
public static PdfAnnotation createText(PdfWriter writer, Rectangle rect, String title, String contents, boolean open, String icon) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.TEXT);
if (title != null)
annot.put(PdfName.T, new PdfString(title, PdfObject.TEXT_UNICODE));
if (contents != null)
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
if (open)
annot.put(PdfName.OPEN, PdfBoolean.PDFTRUE);
if (icon != null) {
annot.put(PdfName.NAME, new PdfName(icon));
}
return annot;
}
/**
* Creates a link.
* @param writer
* @param rect
* @param highlight
* @return A PdfAnnotation
*/
protected static PdfAnnotation createLink(PdfWriter writer, Rectangle rect, PdfName highlight) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.LINK);
if (!highlight.equals(HIGHLIGHT_INVERT))
annot.put(PdfName.H, highlight);
return annot;
}
/**
* Creates an Annotation with an Action.
* @param writer
* @param rect
* @param highlight
* @param action
* @return A PdfAnnotation
*/
public static PdfAnnotation createLink(PdfWriter writer, Rectangle rect, PdfName highlight, PdfAction action) {
PdfAnnotation annot = createLink(writer, rect, highlight);
annot.putEx(PdfName.A, action);
return annot;
}
/**
* Creates an Annotation with an local destination.
* @param writer
* @param rect
* @param highlight
* @param namedDestination
* @return A PdfAnnotation
*/
public static PdfAnnotation createLink(PdfWriter writer, Rectangle rect, PdfName highlight, String namedDestination) {
PdfAnnotation annot = createLink(writer, rect, highlight);
annot.put(PdfName.DEST, new PdfString(namedDestination, PdfObject.TEXT_UNICODE));
return annot;
}
/**
* Creates an Annotation with a PdfDestination.
* @param writer
* @param rect
* @param highlight
* @param page
* @param dest
* @return A PdfAnnotation
*/
public static PdfAnnotation createLink(PdfWriter writer, Rectangle rect, PdfName highlight, int page, PdfDestination dest) {
PdfAnnotation annot = createLink(writer, rect, highlight);
PdfIndirectReference ref = writer.getPageReference(page);
PdfDestination d = new PdfDestination(dest);
d.addPage(ref);
annot.put(PdfName.DEST, d);
return annot;
}
/**
* Add some free text to the document.
* @param writer
* @param rect
* @param contents
* @param defaultAppearance
* @return A PdfAnnotation
*/
public static PdfAnnotation createFreeText(PdfWriter writer, Rectangle rect, String contents, PdfContentByte defaultAppearance) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.FREETEXT);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
annot.setDefaultAppearanceString(defaultAppearance);
return annot;
}
/**
* Adds a line to the document. Move over the line and a tooltip is shown.
* @param writer
* @param rect
* @param contents
* @param x1
* @param y1
* @param x2
* @param y2
* @return A PdfAnnotation
*/
public static PdfAnnotation createLine(PdfWriter writer, Rectangle rect, String contents, float x1, float y1, float x2, float y2) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.LINE);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
PdfArray array = new PdfArray(new PdfNumber(x1));
array.add(new PdfNumber(y1));
array.add(new PdfNumber(x2));
array.add(new PdfNumber(y2));
annot.put(PdfName.L, array);
return annot;
}
/**
* Adds a circle or a square that shows a tooltip when you pass over it.
* @param writer
* @param rect
* @param contents The tooltip
* @param square true if you want a square, false if you want a circle
* @return A PdfAnnotation
*/
public static PdfAnnotation createSquareCircle(PdfWriter writer, Rectangle rect, String contents, boolean square) {
PdfAnnotation annot;
if (square)
annot = writer.createAnnotation(rect, PdfName.SQUARE);
else
annot = writer.createAnnotation(rect, PdfName.CIRCLE);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
return annot;
}
public static PdfAnnotation createMarkup(PdfWriter writer, Rectangle rect, String contents, int type, float quadPoints[]) {
PdfName name = PdfName.HIGHLIGHT;
switch (type) {
case MARKUP_UNDERLINE:
name = PdfName.UNDERLINE;
break;
case MARKUP_STRIKEOUT:
name = PdfName.STRIKEOUT;
break;
case MARKUP_SQUIGGLY:
name = PdfName.SQUIGGLY;
break;
}
PdfAnnotation annot = writer.createAnnotation(rect, name);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
PdfArray array = new PdfArray();
for (int k = 0; k < quadPoints.length; ++k)
array.add(new PdfNumber(quadPoints[k]));
annot.put(PdfName.QUADPOINTS, array);
return annot;
}
/**
* Adds a Stamp to your document. Move over the stamp and a tooltip is shown
* @param writer
* @param rect
* @param contents
* @param name
* @return A PdfAnnotation
*/
public static PdfAnnotation createStamp(PdfWriter writer, Rectangle rect, String contents, String name) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.STAMP);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
annot.put(PdfName.NAME, new PdfName(name));
return annot;
}
public static PdfAnnotation createInk(PdfWriter writer, Rectangle rect, String contents, float inkList[][]) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.INK);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
PdfArray outer = new PdfArray();
for (int k = 0; k < inkList.length; ++k) {
PdfArray inner = new PdfArray();
float deep[] = inkList[k];
for (int j = 0; j < deep.length; ++j)
inner.add(new PdfNumber(deep[j]));
outer.add(inner);
}
annot.put(PdfName.INKLIST, outer);
return annot;
}
/** Creates a file attachment annotation.
* @param writer the PdfWriter
* @param rect the dimensions in the page of the annotation
* @param contents the file description
* @param fileStore an array with the file. If it's null
* the file will be read from the disk
* @param file the path to the file. It will only be used if
* fileStore is not null
* @param fileDisplay the actual file name stored in the pdf
* @throws IOException on error
* @return the annotation
*/
public static PdfAnnotation createFileAttachment(PdfWriter writer, Rectangle rect, String contents, byte fileStore[], String file, String fileDisplay) throws IOException {
return createFileAttachment(writer, rect, contents, PdfFileSpecification.fileEmbedded(writer, file, fileDisplay, fileStore));
}
/** Creates a file attachment annotation
* @param writer
* @param rect
* @param contents
* @param fs
* @return the annotation
* @throws IOException
*/
public static PdfAnnotation createFileAttachment(PdfWriter writer, Rectangle rect, String contents, PdfFileSpecification fs) throws IOException {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.FILEATTACHMENT);
if (contents != null)
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
annot.put(PdfName.FS, fs.getReference());
return annot;
}
/**
* Adds a popup to your document.
* @param writer
* @param rect
* @param contents
* @param open
* @return A PdfAnnotation
*/
public static PdfAnnotation createPopup(PdfWriter writer, Rectangle rect, String contents, boolean open) {
PdfAnnotation annot = writer.createAnnotation(rect, PdfName.POPUP);
if (contents != null)
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
if (open)
annot.put(PdfName.OPEN, PdfBoolean.PDFTRUE);
return annot;
}
/**
* Creates a polygon or -line annotation
* @param writer the PdfWriter
* @param rect the annotation position
* @param contents the textual content of the annotation
* @param polygon if true, the we're creating a polygon annotation, if false, a polyline
* @param vertices an array with the vertices of the polygon or -line
* @since 5.0.2
*/
public static PdfAnnotation createPolygonPolyline(
PdfWriter writer, Rectangle rect, String contents, boolean polygon, PdfArray vertices) {
PdfAnnotation annot = null;
if (polygon)
annot = writer.createAnnotation(rect, PdfName.POLYGON);
else
annot = writer.createAnnotation(rect, PdfName.POLYLINE);
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
annot.put(PdfName.VERTICES, new PdfArray(vertices));
return annot;
}
public void setDefaultAppearanceString(PdfContentByte cb) {
byte b[] = cb.getInternalBuffer().toByteArray();
int len = b.length;
for (int k = 0; k < len; ++k) {
if (b[k] == '\n')
b[k] = 32;
}
put(PdfName.DA, new PdfString(b));
}
public void setFlags(int flags) {
if (flags == 0)
remove(PdfName.F);
else
put(PdfName.F, new PdfNumber(flags));
}
public void setBorder(PdfBorderArray border) {
put(PdfName.BORDER, border);
}
public void setBorderStyle(PdfBorderDictionary border) {
put(PdfName.BS, border);
}
/**
* Sets the annotation's highlighting mode. The values can be
* HIGHLIGHT_NONE, HIGHLIGHT_INVERT,
* HIGHLIGHT_OUTLINE and HIGHLIGHT_PUSH;
* @param highlight the annotation's highlighting mode
*/
public void setHighlighting(PdfName highlight) {
if (highlight.equals(HIGHLIGHT_INVERT))
remove(PdfName.H);
else
put(PdfName.H, highlight);
}
public void setAppearance(PdfName ap, PdfTemplate template) {
PdfDictionary dic = (PdfDictionary)get(PdfName.AP);
if (dic == null)
dic = new PdfDictionary();
dic.put(ap, template.getIndirectReference());
put(PdfName.AP, dic);
if (!form)
return;
if (templates == null)
templates = new HashSet();
templates.add(template);
}
public void setAppearance(PdfName ap, String state, PdfTemplate template) {
PdfDictionary dicAp = (PdfDictionary)get(PdfName.AP);
if (dicAp == null)
dicAp = new PdfDictionary();
PdfDictionary dic;
PdfObject obj = dicAp.get(ap);
if (obj != null && obj.isDictionary())
dic = (PdfDictionary)obj;
else
dic = new PdfDictionary();
dic.put(new PdfName(state), template.getIndirectReference());
dicAp.put(ap, dic);
put(PdfName.AP, dicAp);
if (!form)
return;
if (templates == null)
templates = new HashSet();
templates.add(template);
}
public void setAppearanceState(String state) {
if (state == null) {
remove(PdfName.AS);
return;
}
put(PdfName.AS, new PdfName(state));
}
public void setColor(BaseColor color) {
put(PdfName.C, new PdfColor(color));
}
public void setTitle(String title) {
if (title == null) {
remove(PdfName.T);
return;
}
put(PdfName.T, new PdfString(title, PdfObject.TEXT_UNICODE));
}
public void setPopup(PdfAnnotation popup) {
put(PdfName.POPUP, popup.getIndirectReference());
popup.put(PdfName.PARENT, getIndirectReference());
}
public void setAction(PdfAction action) {
put(PdfName.A, action);
}
public void setAdditionalActions(PdfName key, PdfAction action) {
PdfDictionary dic;
PdfObject obj = get(PdfName.AA);
if (obj != null && obj.isDictionary())
dic = (PdfDictionary)obj;
else
dic = new PdfDictionary();
dic.put(key, action);
put(PdfName.AA, dic);
}
/** Getter for property used.
* @return Value of property used.
*/
public boolean isUsed() {
return used;
}
/** Setter for property used.
*/
public void setUsed() {
used = true;
}
public HashSet getTemplates() {
return templates;
}
/** Getter for property form.
* @return Value of property form.
*/
public boolean isForm() {
return form;
}
/** Getter for property annotation.
* @return Value of property annotation.
*/
public boolean isAnnotation() {
return annotation;
}
public void setPage(int page) {
put(PdfName.P, writer.getPageReference(page));
}
public void setPage() {
put(PdfName.P, writer.getCurrentPage());
}
/** Getter for property placeInPage.
* @return Value of property placeInPage.
*/
public int getPlaceInPage() {
return placeInPage;
}
/** Places the annotation in a specified page that must be greater
* or equal to the current one. With PdfStamper the page
* can be any. The first page is 1.
* @param placeInPage New value of property placeInPage.
*/
public void setPlaceInPage(int placeInPage) {
this.placeInPage = placeInPage;
}
public void setRotate(int v) {
put(PdfName.ROTATE, new PdfNumber(v));
}
PdfDictionary getMK() {
PdfDictionary mk = (PdfDictionary)get(PdfName.MK);
if (mk == null) {
mk = new PdfDictionary();
put(PdfName.MK, mk);
}
return mk;
}
public void setMKRotation(int rotation) {
getMK().put(PdfName.R, new PdfNumber(rotation));
}
public static PdfArray getMKColor(BaseColor color) {
PdfArray array = new PdfArray();
int type = ExtendedColor.getType(color);
switch (type) {
case ExtendedColor.TYPE_GRAY: {
array.add(new PdfNumber(((GrayColor)color).getGray()));
break;
}
case ExtendedColor.TYPE_CMYK: {
CMYKColor cmyk = (CMYKColor)color;
array.add(new PdfNumber(cmyk.getCyan()));
array.add(new PdfNumber(cmyk.getMagenta()));
array.add(new PdfNumber(cmyk.getYellow()));
array.add(new PdfNumber(cmyk.getBlack()));
break;
}
case ExtendedColor.TYPE_SEPARATION:
case ExtendedColor.TYPE_PATTERN:
case ExtendedColor.TYPE_SHADING:
throw new RuntimeException(MessageLocalization.getComposedMessage("separations.patterns.and.shadings.are.not.allowed.in.mk.dictionary"));
default:
array.add(new PdfNumber(color.getRed() / 255f));
array.add(new PdfNumber(color.getGreen() / 255f));
array.add(new PdfNumber(color.getBlue() / 255f));
}
return array;
}
public void setMKBorderColor(BaseColor color) {
if (color == null)
getMK().remove(PdfName.BC);
else
getMK().put(PdfName.BC, getMKColor(color));
}
public void setMKBackgroundColor(BaseColor color) {
if (color == null)
getMK().remove(PdfName.BG);
else
getMK().put(PdfName.BG, getMKColor(color));
}
public void setMKNormalCaption(String caption) {
getMK().put(PdfName.CA, new PdfString(caption, PdfObject.TEXT_UNICODE));
}
public void setMKRolloverCaption(String caption) {
getMK().put(PdfName.RC, new PdfString(caption, PdfObject.TEXT_UNICODE));
}
public void setMKAlternateCaption(String caption) {
getMK().put(PdfName.AC, new PdfString(caption, PdfObject.TEXT_UNICODE));
}
public void setMKNormalIcon(PdfTemplate template) {
getMK().put(PdfName.I, template.getIndirectReference());
}
public void setMKRolloverIcon(PdfTemplate template) {
getMK().put(PdfName.RI, template.getIndirectReference());
}
public void setMKAlternateIcon(PdfTemplate template) {
getMK().put(PdfName.IX, template.getIndirectReference());
}
public void setMKIconFit(PdfName scale, PdfName scalingType, float leftoverLeft, float leftoverBottom, boolean fitInBounds) {
PdfDictionary dic = new PdfDictionary();
if (!scale.equals(PdfName.A))
dic.put(PdfName.SW, scale);
if (!scalingType.equals(PdfName.P))
dic.put(PdfName.S, scalingType);
if (leftoverLeft != 0.5f || leftoverBottom != 0.5f) {
PdfArray array = new PdfArray(new PdfNumber(leftoverLeft));
array.add(new PdfNumber(leftoverBottom));
dic.put(PdfName.A, array);
}
if (fitInBounds)
dic.put(PdfName.FB, PdfBoolean.PDFTRUE);
getMK().put(PdfName.IF, dic);
}
public void setMKTextPosition(int tp) {
getMK().put(PdfName.TP, new PdfNumber(tp));
}
/**
* Sets the layer this annotation belongs to.
* @param layer the layer this annotation belongs to
*/
public void setLayer(PdfOCG layer) {
put(PdfName.OC, layer.getRef());
}
/**
* Sets the name of the annotation.
* With this name the annotation can be identified among
* all the annotations on a page (it has to be unique).
*/
public void setName(String name) {
put(PdfName.NM, new PdfString(name));
}
public void applyCTM(AffineTransform ctm) {
PdfArray origRect = getAsArray(PdfName.RECT);
if (origRect != null) {
PdfRectangle rect;
if (origRect.size() == 4) {
rect = new PdfRectangle(origRect.getAsNumber(0).floatValue(), origRect.getAsNumber(1).floatValue(), origRect.getAsNumber(2).floatValue(), origRect.getAsNumber(3).floatValue());
}
else {
rect = new PdfRectangle(origRect.getAsNumber(0).floatValue(), origRect.getAsNumber(1).floatValue());
}
put(PdfName.RECT, rect.transform(ctm));
}
}
/**
* This class processes links from imported pages so that they may be active. The following example code reads a group
* of files and places them all on the output PDF, four pages in a single page, keeping the links active.
*
* String[] files = new String[] {"input1.pdf", "input2.pdf"};
* String outputFile = "output.pdf";
* int firstPage=1;
* Document document = new Document();
* PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(outputFile));
* document.setPageSize(PageSize.A4);
* float W = PageSize.A4.getWidth() / 2;
* float H = PageSize.A4.getHeight() / 2;
* document.open();
* PdfContentByte cb = writer.getDirectContent();
* for (int i = 0; i < files.length; i++) {
* PdfReader currentReader = new PdfReader(files[i]);
* currentReader.consolidateNamedDestinations();
* for (int page = 1; page <= currentReader.getNumberOfPages(); page++) {
* PdfImportedPage importedPage = writer.getImportedPage(currentReader, page);
* float a = 0.5f;
* float e = (page % 2 == 0) ? W : 0;
* float f = (page % 4 == 1 || page % 4 == 2) ? H : 0;
* ArrayList links = currentReader.getLinks(page);
* cb.addTemplate(importedPage, a, 0, 0, a, e, f);
* for (int j = 0; j < links.size(); j++) {
* PdfAnnotation.PdfImportedLink link = (PdfAnnotation.PdfImportedLink)links.get(j);
* if (link.isInternal()) {
* int dPage = link.getDestinationPage();
* int newDestPage = (dPage-1)/4 + firstPage;
* float ee = (dPage % 2 == 0) ? W : 0;
* float ff = (dPage % 4 == 1 || dPage % 4 == 2) ? H : 0;
* link.setDestinationPage(newDestPage);
* link.transformDestination(a, 0, 0, a, ee, ff);
* }
* link.transformRect(a, 0, 0, a, e, f);
* writer.addAnnotation(link.createAnnotation(writer));
* }
* if (page % 4 == 0)
* document.newPage();
* }
* if (i < files.length - 1)
* document.newPage();
* firstPage += (currentReader.getNumberOfPages()+3)/4;
* }
* document.close();
*
*/
public static class PdfImportedLink {
float llx, lly, urx, ury;
HashMap parameters = new HashMap();
PdfArray destination = null;
int newPage=0;
PdfArray rect;
PdfImportedLink(PdfDictionary annotation) {
parameters.putAll(annotation.hashMap);
try {
destination = (PdfArray) parameters.remove(PdfName.DEST);
} catch (ClassCastException ex) {
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("you.have.to.consolidate.the.named.destinations.of.your.reader"));
}
if (destination != null) {
destination = new PdfArray(destination);
}
PdfArray rc = (PdfArray) parameters.remove(PdfName.RECT);
llx = rc.getAsNumber(0).floatValue();
lly = rc.getAsNumber(1).floatValue();
urx = rc.getAsNumber(2).floatValue();
ury = rc.getAsNumber(3).floatValue();
rect = new PdfArray(rc);
}
public Map getParameters() {
return new HashMap(parameters);
}
public PdfArray getRect() {
return new PdfArray(rect);
}
public boolean isInternal() {
return destination != null;
}
public int getDestinationPage() {
if (!isInternal()) return 0;
// here destination is something like
// [132 0 R, /XYZ, 29.3898, 731.864502, null]
PdfIndirectReference ref = destination.getAsIndirectObject(0);
PRIndirectReference pr = (PRIndirectReference) ref;
PdfReader r = pr.getReader();
for (int i = 1; i <= r.getNumberOfPages(); i++) {
PRIndirectReference pp = r.getPageOrigRef(i);
if (pp.getGeneration() == pr.getGeneration() && pp.getNumber() == pr.getNumber()) return i;
}
throw new IllegalArgumentException(MessageLocalization.getComposedMessage("page.not.found"));
}
public void setDestinationPage(int newPage) {
if (!isInternal()) throw new IllegalArgumentException(MessageLocalization.getComposedMessage("cannot.change.destination.of.external.link"));
this.newPage=newPage;
}
public void transformDestination(float a, float b, float c, float d, float e, float f) {
if (!isInternal()) throw new IllegalArgumentException(MessageLocalization.getComposedMessage("cannot.change.destination.of.external.link"));
if (destination.getAsName(1).equals(PdfName.XYZ)) {
float x = destination.getAsNumber(2).floatValue();
float y = destination.getAsNumber(3).floatValue();
float xx = x * a + y * c + e;
float yy = x * b + y * d + f;
destination.set(2, new PdfNumber(xx));
destination.set(3, new PdfNumber(yy));
}
}
public void transformRect(float a, float b, float c, float d, float e, float f) {
float x = llx * a + lly * c + e;
float y = llx * b + lly * d + f;
llx = x;
lly = y;
x = urx * a + ury * c + e;
y = urx * b + ury * d + f;
urx = x;
ury = y;
}
public PdfAnnotation createAnnotation(PdfWriter writer) {
PdfAnnotation annotation = writer.createAnnotation(new Rectangle(llx, lly, urx, ury), null);
if (newPage != 0) {
PdfIndirectReference ref = writer.getPageReference(newPage);
destination.set(0, ref);
}
if (destination != null) annotation.put(PdfName.DEST, destination);
annotation.hashMap.putAll(parameters);
return annotation;
}
/**
* Returns a String representation of the link.
* @return a String representation of the imported link
* @since 2.1.6
*/
@Override
public String toString() {
StringBuffer buf = new StringBuffer("Imported link: location [");
buf.append(llx);
buf.append(' ');
buf.append(lly);
buf.append(' ');
buf.append(urx);
buf.append(' ');
buf.append(ury);
buf.append("] destination ");
buf.append(destination);
buf.append(" parameters ");
buf.append(parameters);
if (parameters != null) {
appendDictionary(buf, parameters);
}
return buf.toString();
}
private void appendDictionary(StringBuffer buf, HashMap dict) {
buf.append(" <<");
for(Map.Entry entry : dict.entrySet()) {
buf.append(entry.getKey());
buf.append(":");
if (entry.getValue() instanceof PdfDictionary)
appendDictionary(buf, ((PdfDictionary)entry.getValue()).hashMap);
else
buf.append(entry.getValue());
buf.append(" ");
}
buf.append(">> ");
}
}
@Override
public void toPdf(final PdfWriter writer, final OutputStream os) throws IOException {
PdfWriter.checkPdfIsoConformance(writer, PdfIsoKeys.PDFISOKEY_ANNOTATION, this);
super.toPdf(writer, os);
}
public PdfObject getAccessibleAttribute(final PdfName key) {
if (accessibleAttributes != null)
return accessibleAttributes.get(key);
else
return null;
}
public void setAccessibleAttribute(final PdfName key, final PdfObject value) {
if (accessibleAttributes == null)
accessibleAttributes = new HashMap();
accessibleAttributes.put(key, value);
}
public HashMap getAccessibleAttributes() {
return accessibleAttributes;
}
public PdfName getRole() {
return role;
}
public void setRole(final PdfName role) {
this.role = role;
}
public AccessibleElementId getId() {
if (id == null)
id = new AccessibleElementId();
return id;
}
public void setId(final AccessibleElementId id) {
this.id = id;
}
public boolean isInline() {
return false;
}
}
