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/*
This file is part of the iText (R) project.
Copyright (c) 1998-2023 Apryse Group NV
Authors: Apryse Software.
This program is offered under a commercial and under the AGPL license.
For commercial licensing, contact us at https://itextpdf.com/sales. For AGPL licensing, see below.
AGPL licensing:
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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 .
*/
package com.itextpdf.kernel.pdf.annot;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfArray;
import com.itextpdf.kernel.pdf.PdfDictionary;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfNumber;
import com.itextpdf.kernel.pdf.PdfObject;
import com.itextpdf.kernel.pdf.action.PdfAction;
import java.util.HashSet;
public class PdfWidgetAnnotation extends PdfAnnotation {
public static final int HIDDEN = 1;
public static final int VISIBLE_BUT_DOES_NOT_PRINT = 2;
public static final int HIDDEN_BUT_PRINTABLE = 3;
public static final int VISIBLE = 4;
public PdfWidgetAnnotation(Rectangle rect) {
super(rect);
}
/**
* Instantiates a new {@link PdfWidgetAnnotation} instance based on {@link PdfDictionary}
* instance, that represents existing annotation object in the document.
*
* @param pdfObject the {@link PdfDictionary} representing annotation object
* @see PdfAnnotation#makeAnnotation(PdfObject)
*/
protected PdfWidgetAnnotation(PdfDictionary pdfObject) {
super(pdfObject);
}
@Override
public PdfName getSubtype() {
return PdfName.Widget;
}
public PdfWidgetAnnotation setParent(PdfObject parent) {
return (PdfWidgetAnnotation) put(PdfName.Parent, parent);
}
/**
* Setter for the annotation's highlighting mode. Possible values are
*
*
{@link PdfAnnotation#HIGHLIGHT_NONE} - No highlighting.
*
{@link PdfAnnotation#HIGHLIGHT_INVERT} - Invert the contents of the annotation rectangle.
*
{@link PdfAnnotation#HIGHLIGHT_OUTLINE} - Invert the annotation's border.
*
{@link PdfAnnotation#HIGHLIGHT_PUSH} - Display the annotation?s down appearance, if any.
*
{@link PdfAnnotation#HIGHLIGHT_TOGGLE} - Same as P.
*
* @param mode The new value for the annotation's highlighting mode.
* @return The widget annotation which this method was called on.
*/
public PdfWidgetAnnotation setHighlightMode(PdfName mode) {
return (PdfWidgetAnnotation) put(PdfName.H, mode);
}
/**
* Getter for the annotation's highlighting mode.
* @return Current value of the annotation's highlighting mode.
*/
public PdfName getHighlightMode() {
return getPdfObject().getAsName(PdfName.H);
}
/**
* Remove widget annotation from AcroForm hierarchy.
*/
public void releaseFormFieldFromWidgetAnnotation() {
PdfDictionary annotationDictionary = getPdfObject();
PdfDictionary parent = annotationDictionary.getAsDictionary(PdfName.Parent);
if (parent != null) {
PdfArray kids = parent.getAsArray(PdfName.Kids);
kids.remove(annotationDictionary);
if (kids.isEmpty()) {
parent.remove(PdfName.Kids);
}
}
}
/**
* Set the visibility flags of the Widget annotation
* Options are: HIDDEN, HIDDEN_BUT_PRINTABLE, VISIBLE, VISIBLE_BUT_DOES_NOT_PRINT
* @param visibility visibility option
* @return the edited widget annotation
*/
public PdfWidgetAnnotation setVisibility(int visibility) {
switch (visibility) {
case HIDDEN:
getPdfObject().put(PdfName.F, new PdfNumber(PdfAnnotation.PRINT | PdfAnnotation.HIDDEN));
break;
case VISIBLE_BUT_DOES_NOT_PRINT:
break;
case HIDDEN_BUT_PRINTABLE:
getPdfObject().put(PdfName.F, new PdfNumber(PdfAnnotation.PRINT | PdfAnnotation.NO_VIEW));
break;
case VISIBLE:
default:
getPdfObject().put(PdfName.F, new PdfNumber(PdfAnnotation.PRINT));
break;
}
return this;
}
/**
* An {@link PdfAction} to perform, such as launching an application, playing a sound,
* changing an annotation’s appearance state etc, when the annotation is activated.
* @return {@link PdfDictionary} which defines the characteristics and behaviour of an action.
*/
public PdfDictionary getAction() {
return getPdfObject().getAsDictionary(PdfName.A);
}
/**
* Sets a {@link PdfAction} to this annotation which will be performed when the annotation is activated.
* @param action {@link PdfAction} to set to this annotation.
* @return this {@link PdfWidgetAnnotation} instance.
*/
public PdfWidgetAnnotation setAction(PdfAction action) {
return (PdfWidgetAnnotation) put(PdfName.A, action.getPdfObject());
}
/**
* An additional actions dictionary that extends the set of events that can trigger the execution of an action.
* See ISO-320001 12.6.3 Trigger Events.
* @return an additional actions {@link PdfDictionary}.
* @see #getAction()
*/
public PdfDictionary getAdditionalAction() {
return getPdfObject().getAsDictionary(PdfName.AA);
}
/**
* Sets an additional {@link PdfAction} to this annotation which will be performed in response to
* the specific trigger event defined by {@code key}. See ISO-320001 12.6.3, "Trigger Events".
* @param key a {@link PdfName} that denotes a type of the additional action to set.
* @param action {@link PdfAction} to set as additional to this annotation.
* @return this {@link PdfWidgetAnnotation} instance.
*/
public PdfWidgetAnnotation setAdditionalAction(PdfName key, PdfAction action) {
PdfAction.setAdditionalAction(this, key, action);
return this;
}
/**
* An appearance characteristics dictionary containing additional information for constructing the
* annotation’s appearance stream. See ISO-320001, Table 189.
*
* @return an appearance characteristics dictionary or null if it isn't specified.
*/
public PdfDictionary getAppearanceCharacteristics() {
return getPdfObject().getAsDictionary(PdfName.MK);
}
/**
* Sets an appearance characteristics dictionary containing additional information for constructing the
* annotation’s appearance stream. See ISO-320001, Table 189.
*
* @param characteristics the {@link PdfDictionary} with additional information for appearance stream.
* @return this {@link PdfWidgetAnnotation} instance.
*/
public PdfWidgetAnnotation setAppearanceCharacteristics(PdfDictionary characteristics) {
return (PdfWidgetAnnotation) put(PdfName.MK, characteristics);
}
/**
* The dictionaries for some annotation types (such as free text and polygon annotations) can include the BS entry.
* That entry specifies a border style dictionary that has more settings than the array specified for the Border
* entry (see {@link PdfAnnotation#getBorder()}). If an annotation dictionary includes the BS entry, then the Border
* entry is ignored. If annotation includes AP (see {@link PdfAnnotation#getAppearanceDictionary()}) it takes
* precedence over the BS entry. For more info on BS entry see ISO-320001, Table 166.
* @return {@link PdfDictionary} which is a border style dictionary or null if it is not specified.
*/
public PdfDictionary getBorderStyle() {
return getPdfObject().getAsDictionary(PdfName.BS);
}
/**
* Sets border style dictionary that has more settings than the array specified for the Border entry ({@link PdfAnnotation#getBorder()}).
* See ISO-320001, Table 166 and {@link #getBorderStyle()} for more info.
* @param borderStyle a border style dictionary specifying the line width and dash pattern that shall be used
* in drawing the annotation’s border.
* @return this {@link PdfWidgetAnnotation} instance.
*/
public PdfWidgetAnnotation setBorderStyle(PdfDictionary borderStyle) {
return (PdfWidgetAnnotation) put(PdfName.BS, borderStyle);
}
/**
* Setter for the annotation's preset border style. Possible values are
*
*
{@link PdfAnnotation#STYLE_SOLID} - A solid rectangle surrounding the annotation.
*
{@link PdfAnnotation#STYLE_DASHED} - A dashed rectangle surrounding the annotation.
*
{@link PdfAnnotation#STYLE_BEVELED} - A simulated embossed rectangle that appears to be raised above the surface of the page.
*
{@link PdfAnnotation#STYLE_INSET} - A simulated engraved rectangle that appears to be recessed below the surface of the page.
*
{@link PdfAnnotation#STYLE_UNDERLINE} - A single line along the bottom of the annotation rectangle.
*
* See also ISO-320001, Table 166.
* @param style The new value for the annotation's border style.
* @return this {@link PdfWidgetAnnotation} instance.
* @see #getBorderStyle()
*/
public PdfWidgetAnnotation setBorderStyle(PdfName style) {
return setBorderStyle(BorderStyleUtil.setStyle(getBorderStyle(), style));
}
/**
* Setter for the annotation's preset dashed border style. This property has affect only if {@link PdfAnnotation#STYLE_DASHED}
* style was used for the annotation border style (see {@link #setBorderStyle(PdfName)}.
* See ISO-320001 8.4.3.6, "Line Dash Pattern" for the format in which dash pattern shall be specified.
* @param dashPattern a dash array defining a pattern of dashes and gaps that
* shall be used in drawing a dashed border.
* @return this {@link PdfWidgetAnnotation} instance.
*/
public PdfWidgetAnnotation setDashPattern(PdfArray dashPattern) {
return setBorderStyle(BorderStyleUtil.setDashPattern(getBorderStyle(), dashPattern));
}
}
