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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.PdfString;
import com.itextpdf.kernel.pdf.annot.da.AnnotationDefaultAppearance;
public class PdfFreeTextAnnotation extends PdfMarkupAnnotation {
/**
* Text justification options.
*/
public static final int LEFT_JUSTIFIED = 0;
public static final int CENTERED = 1;
public static final int RIGHT_JUSTIFIED = 2;
/**
* Creates new instance
*
* @param rect - rectangle that specifies annotation position and bounds on page
* @param contents - the displayed text
*/
public PdfFreeTextAnnotation(Rectangle rect, PdfString contents) {
super(rect);
if (contents != null) {
setContents(contents);
}
}
/**
* Instantiates a new {@link PdfFreeTextAnnotation} 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 PdfFreeTextAnnotation(PdfDictionary pdfObject) {
super(pdfObject);
}
@Override
public PdfName getSubtype() {
return PdfName.FreeText;
}
public PdfString getDefaultStyleString() {
return getPdfObject().getAsString(PdfName.DS);
}
public PdfFreeTextAnnotation setDefaultStyleString(PdfString defaultStyleString) {
return (PdfFreeTextAnnotation) put(PdfName.DS, defaultStyleString);
}
/**
* The default appearance string that shall be used in formatting the text. See ISO-32001 12.7.3.3, "Variable Text".
* @return a {@link PdfString} that specifies the default appearance, or null if default appereance is not specified.
*/
public PdfString getDefaultAppearance() {
return getPdfObject().getAsString(PdfName.DA);
}
/**
* The default appearance string that shall be used in formatting the text. See ISO-32001 12.7.3.3, "Variable Text".
* @param appearanceString a {@link PdfString} that specifies the default appearance.
* @return this {@link PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setDefaultAppearance(PdfString appearanceString) {
return (PdfFreeTextAnnotation) put(PdfName.DA, appearanceString);
}
public PdfFreeTextAnnotation setDefaultAppearance(AnnotationDefaultAppearance da) {
return setDefaultAppearance(da.toPdfString());
}
public PdfArray getCalloutLine() {
return getPdfObject().getAsArray(PdfName.CL);
}
public PdfFreeTextAnnotation setCalloutLine(float[] calloutLine) {
return setCalloutLine(new PdfArray(calloutLine));
}
public PdfFreeTextAnnotation setCalloutLine(PdfArray calloutLine) {
return (PdfFreeTextAnnotation) put(PdfName.CL, calloutLine);
}
public PdfName getLineEndingStyle() {
return getPdfObject().getAsName(PdfName.LE);
}
public PdfFreeTextAnnotation setLineEndingStyle(PdfName lineEndingStyle) {
return (PdfFreeTextAnnotation) put(PdfName.LE, lineEndingStyle);
}
/**
* A code specifying the form of quadding (justification) that is used in displaying the annotation's text:
* 0 - Left-justified, 1 - Centered, 2 - Right-justified. Default value: 0 (left-justified).
* @return a code specifying the form of quadding (justification), returns the default value if not explicitly specified.
*/
public int getJustification() {
PdfNumber q = getPdfObject().getAsNumber(PdfName.Q);
return q == null ? PdfFreeTextAnnotation.LEFT_JUSTIFIED : q.intValue();
}
/**
* A code specifying the form of quadding (justification) that is used in displaying the annotation's text:
* 0 - Left-justified, 1 - Centered, 2 - Right-justified. Default value: 0 (left-justified).
* @param justification a code specifying the form of quadding (justification).
* @return this {@link PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setJustification(int justification) {
return (PdfFreeTextAnnotation) put(PdfName.Q, new PdfNumber(justification));
}
/**
* 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 PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setBorderStyle(PdfDictionary borderStyle) {
return (PdfFreeTextAnnotation) 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 PdfFreeTextAnnotation} instance.
* @see #getBorderStyle()
*/
public PdfFreeTextAnnotation 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 PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setDashPattern(PdfArray dashPattern) {
return setBorderStyle(BorderStyleUtil.setDashPattern(getBorderStyle(), dashPattern));
}
/**
* A set of four numbers describing the numerical differences between two rectangles:
* the Rect entry of the annotation and the inner rectangle where the annotation's text should be displayed
*
* @return null if not specified, otherwise a {@link PdfArray} with four numbers which correspond to the
* differences in default user space between the left, top, right, and bottom coordinates of Rect and those
* of the inner rectangle, respectively.
*/
public PdfArray getRectangleDifferences() {
return getPdfObject().getAsArray(PdfName.RD);
}
/**
* A set of four numbers describing the numerical differences between two rectangles:
* the Rect entry of the annotation and the inner rectangle where the annotation's text should be displayed
*
* @param rect a {@link PdfArray} with four numbers which correspond to the differences in default user space between
* the left, top, right, and bottom coordinates of Rect and those of the inner rectangle, respectively.
* Each value shall be greater than or equal to 0. The sum of the top and bottom differences shall be
* less than the height of Rect, and the sum of the left and right differences shall be less than
* the width of Rect.
* @return this {@link PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setRectangleDifferences(PdfArray rect) {
return (PdfFreeTextAnnotation) put(PdfName.RD, rect);
}
/**
* A border effect dictionary that specifies an effect that shall be applied to the border of the annotations.
*
* @return a {@link PdfDictionary}, which is a border effect dictionary (see ISO-320001, Table 167).
*/
public PdfDictionary getBorderEffect() {
return getPdfObject().getAsDictionary(PdfName.BE);
}
/**
* Sets a border effect dictionary that specifies an effect that shall be applied to the border of the annotations.
*
* @param borderEffect a {@link PdfDictionary} which contents shall be specified in accordance to ISO-320001, Table 167.
* @return this {@link PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setBorderEffect(PdfDictionary borderEffect) {
return (PdfFreeTextAnnotation) put(PdfName.BE, borderEffect);
}
/**
* Gets the rotation angle in degrees.
*
* @return {@link PdfNumber} representing the clockwise rotation in degrees.
*/
public PdfNumber getRotation() {
return getPdfObject().getAsNumber(PdfName.Rotate);
}
/**
* Sets the rotation angle in degrees.
* @param degAngle an integer representing the clockwise rotation in degrees.
*
* @return this {@link PdfFreeTextAnnotation} instance.
*/
public PdfFreeTextAnnotation setRotation(int degAngle) {
put(PdfName.Rotate, new PdfNumber(degAngle));
return this;
}
}
