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/*
* $Id: PdfAnnotation.java 3917 2009-04-27 12:52:16Z blowagie $
*
* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
*
* 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.aowagie.text.pdf;
import java.awt.Color;
import java.io.IOException;
import java.util.HashMap;
import java.util.LinkedHashMap;
import com.aowagie.text.Rectangle;
/**
* A PdfAnnotation is a note that is associated with a page.
*
* @see PdfDictionary
*/
public class PdfAnnotation extends PdfDictionary {
/** highlight attributename */
static final PdfName HIGHLIGHT_INVERT = PdfName.I;
/** highlight attributename */
static final PdfName HIGHLIGHT_TOGGLE = PdfName.T;
/** flagvalue */
static final int FLAGS_HIDDEN = 2;
/** flagvalue */
public static final int FLAGS_PRINT = 4;
/** flagvalue */
static final int FLAGS_NOVIEW = 32;
/** flagvalue */
static final int FLAGS_LOCKED = 128;
/** appearance attributename */
static final PdfName APPEARANCE_NORMAL = PdfName.N;
/** attributevalue */
private static final int MARKUP_UNDERLINE = 1;
/** attributevalue */
private static final int MARKUP_STRIKEOUT = 2;
/**
* attributevalue
* @since 2.1.3
*/
private 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
*/
private PdfIndirectReference reference;
protected HashMap 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;
// constructors
PdfAnnotation(final PdfWriter writer, final Rectangle rect) {
this.writer = writer;
if (rect != null) {
put(PdfName.RECT, new PdfRectangle(rect));
}
}
/**
* Constructs a new PdfAnnotation of subtype text.
* @param writer writer to put
* @param llx position llx to put
* @param lly position lly to put
* @param urx position urx to put
* @param ury position ury to put
* @param title title to put
* @param content content to put
*/
public PdfAnnotation(final PdfWriter writer, final float llx, final float lly, final float urx, final float ury, final PdfString title, final 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 writer to put
* @param llx position llx to put
* @param lly position lly to put
* @param urx position urx to put
* @param ury position ury to put
* @param action action to put
*/
public PdfAnnotation(final PdfWriter writer, final float llx, final float lly, final float urx, final float ury, final 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 Writer to create
* @param rect Rectangle to create
* @param clipTitle Cliptitle to create
* @param fs FileSpecification to create
* @param mimeType Mimetype to set
* @param playOnDisplay PlayOnDisplay to set
* @return a screen PdfAnnotation
* @throws IOException Exception of a I/O
*/
public static PdfAnnotation createScreen(final PdfWriter writer, final Rectangle rect, final String clipTitle, final PdfFileSpecification fs,
final String mimeType, final boolean playOnDisplay) throws IOException {
final PdfAnnotation ann = new PdfAnnotation(writer, rect);
ann.put(PdfName.SUBTYPE, PdfName.SCREEN);
ann.put (PdfName.F, new PdfNumber(FLAGS_PRINT));
ann.put(PdfName.TYPE, PdfName.ANNOT);
ann.setPage();
final PdfIndirectReference ref = ann.getIndirectReference();
final PdfAction action = PdfAction.rendition(clipTitle,fs,mimeType, ref);
final PdfIndirectReference actionRef = writer.addToBody(action).getIndirectReference();
// for play on display add trigger event
if (playOnDisplay)
{
final 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 (this.reference == null) {
this.reference = this.writer.getPdfIndirectReference();
}
return this.reference;
}
/**
* Creates a link.
* @param writer
* @param rect
* @param highlight
* @return A PdfAnnotation
*/
private static PdfAnnotation createLink(final PdfWriter writer, final Rectangle rect, final PdfName highlight) {
final PdfAnnotation annot = new PdfAnnotation(writer, rect);
annot.put(PdfName.SUBTYPE, PdfName.LINK);
if (!highlight.equals(HIGHLIGHT_INVERT)) {
annot.put(PdfName.H, highlight);
}
return annot;
}
/** Creates a file attachment annotation
* @param writer
* @param rect
* @param contents
* @param fs
* @return the annotation
* @throws IOException
*/
private static PdfAnnotation createFileAttachment(final PdfWriter writer, final Rectangle rect, final String contents, final PdfFileSpecification fs) throws IOException {
final PdfAnnotation annot = new PdfAnnotation(writer, rect);
annot.put(PdfName.SUBTYPE, PdfName.FILEATTACHMENT);
if (contents != null) {
annot.put(PdfName.CONTENTS, new PdfString(contents, PdfObject.TEXT_UNICODE));
}
annot.put(PdfName.FS, fs.getReference());
return annot;
}
public void setDefaultAppearanceString(final PdfContentByte cb) {
final byte b[] = cb.getInternalBuffer().toByteArray();
final 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(final int flags) {
if (flags == 0) {
remove(PdfName.F);
} else {
put(PdfName.F, new PdfNumber(flags));
}
}
public void setBorder(final PdfBorderArray border) {
put(PdfName.BORDER, border);
}
public void setBorderStyle(final 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(final PdfName highlight) {
if (highlight.equals(HIGHLIGHT_INVERT)) {
remove(PdfName.H);
} else {
put(PdfName.H, highlight);
}
}
void setAppearance(final PdfName ap, final PdfTemplate template) {
PdfDictionary dic = (PdfDictionary)get(PdfName.AP);
if (dic == null) {
dic = new PdfDictionary();
}
dic.put(ap, template.getIndirectReference());
put(PdfName.AP, dic);
if (!this.form) {
return;
}
if (this.templates == null) {
this.templates = new LinkedHashMap();
}
this.templates.put(template, null);
}
void setAppearance(final PdfName ap, final String state, final PdfTemplate template) {
PdfDictionary dicAp = (PdfDictionary)get(PdfName.AP);
if (dicAp == null) {
dicAp = new PdfDictionary();
}
PdfDictionary dic;
final 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 (!this.form) {
return;
}
if (this.templates == null) {
this.templates = new LinkedHashMap();
}
this.templates.put(template, null);
}
public void setAppearanceState(final String state) {
if (state == null) {
remove(PdfName.AS);
return;
}
put(PdfName.AS, new PdfName(state));
}
public void setColor(final Color color) {
put(PdfName.C, new PdfColor(color));
}
public void setTitle(final String title) {
if (title == null) {
remove(PdfName.T);
return;
}
put(PdfName.T, new PdfString(title, PdfObject.TEXT_UNICODE));
}
public void setPopup(final PdfAnnotation popup) {
put(PdfName.POPUP, popup.getIndirectReference());
popup.put(PdfName.PARENT, getIndirectReference());
}
public void setAction(final PdfAction action) {
put(PdfName.A, action);
}
/** Getter for property used.
* @return Value of property used.
*/
public boolean isUsed() {
return this.used;
}
/** Setter for property used.
*/
public void setUsed() {
this.used = true;
}
public HashMap getTemplates() {
return this.templates;
}
/** Getter for property form.
* @return Value of property form.
*/
public boolean isForm() {
return this.form;
}
/** Getter for property annotation.
* @return Value of property annotation.
*/
public boolean isAnnotation() {
return this.annotation;
}
public void setPage(final int page) {
put(PdfName.P, this.writer.getPageReference(page));
}
void setPage() {
put(PdfName.P, this.writer.getCurrentPage());
}
/** Getter for property placeInPage.
* @return Value of property placeInPage.
*/
public int getPlaceInPage() {
return this.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(final int placeInPage) {
this.placeInPage = placeInPage;
}
public void setRotate(final int v) {
put(PdfName.ROTATE, new PdfNumber(v));
}
private PdfDictionary getMK() {
PdfDictionary mk = (PdfDictionary)get(PdfName.MK);
if (mk == null) {
mk = new PdfDictionary();
put(PdfName.MK, mk);
}
return mk;
}
public void setMKRotation(final int rotation) {
getMK().put(PdfName.R, new PdfNumber(rotation));
}
static PdfArray getMKColor(final Color color) {
final PdfArray array = new PdfArray();
final int type = ExtendedColor.getType(color);
switch (type) {
case ExtendedColor.TYPE_GRAY: {
array.add(new PdfNumber(((GrayColor)color).getGray()));
break;
}
case ExtendedColor.TYPE_CMYK: {
final 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("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(final Color color) {
if (color == null) {
getMK().remove(PdfName.BC);
} else {
getMK().put(PdfName.BC, getMKColor(color));
}
}
public void setMKBackgroundColor(final Color color) {
if (color == null) {
getMK().remove(PdfName.BG);
} else {
getMK().put(PdfName.BG, getMKColor(color));
}
}
public void setMKNormalCaption(final String caption) {
getMK().put(PdfName.CA, new PdfString(caption, PdfObject.TEXT_UNICODE));
}
public void setMKRolloverCaption(final String caption) {
getMK().put(PdfName.RC, new PdfString(caption, PdfObject.TEXT_UNICODE));
}
public void setMKAlternateCaption(final String caption) {
getMK().put(PdfName.AC, new PdfString(caption, PdfObject.TEXT_UNICODE));
}
public void setMKNormalIcon(final PdfTemplate template) {
getMK().put(PdfName.I, template.getIndirectReference());
}
public void setMKRolloverIcon(final PdfTemplate template) {
getMK().put(PdfName.RI, template.getIndirectReference());
}
public void setMKAlternateIcon(final PdfTemplate template) {
getMK().put(PdfName.IX, template.getIndirectReference());
}
void setMKIconFit(final PdfName scale, final PdfName scalingType, final float leftoverLeft, final float leftoverBottom, final boolean fitInBounds) {
final 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) {
final 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(final 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(final 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).
* @param name name to set
*/
public void setName(final String name) {
put(PdfName.NM, new PdfString(name));
}
}
