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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;
import com.itextpdf.kernel.exceptions.PdfException;
import com.itextpdf.kernel.exceptions.KernelExceptionMessageConstant;
public class PdfViewerPreferences extends PdfObjectWrapper {
public enum PdfViewerPreferencesConstants {
/**
* PageMode constant for {@link PdfName#NonFullScreenPageMode}.
*/
USE_NONE,
/**
* PageMode constant for {@link PdfName#NonFullScreenPageMode}.
*/
USE_OUTLINES,
/**
* PageMode constant for {@link PdfName#NonFullScreenPageMode}.
*/
USE_THUMBS,
/**
* PageMode constant for {@link PdfName#NonFullScreenPageMode}.
*/
USE_OC,
/**
* Direction constant for {@link PdfName#Direction}.
*/
LEFT_TO_RIGHT,
/**
* Direction constant for {@link PdfName#Direction}.
*/
RIGHT_TO_LEFT,
/**
* PageBoundary constant for {@link #VIEW_AREA}, {@link #VIEW_CLIP}, {@link #PRINT_AREA}, {@link #PRINT_CLIP}.
*/
MEDIA_BOX,
/**
* PageBoundary constant for {@link #VIEW_AREA}, {@link #VIEW_CLIP}, {@link #PRINT_AREA}, {@link #PRINT_CLIP}.
*/
CROP_BOX,
/**
* PageBoundary constant for {@link #VIEW_AREA}, {@link #VIEW_CLIP}, {@link #PRINT_AREA}, {@link #PRINT_CLIP}.
*/
BLEED_BOX,
/**
* PageBoundary constant for {@link #VIEW_AREA}, {@link #VIEW_CLIP}, {@link #PRINT_AREA}, {@link #PRINT_CLIP}.
*/
TRIM_BOX,
/**
* PageBoundary constant for {@link #VIEW_AREA}, {@link #VIEW_CLIP}, {@link #PRINT_AREA}, {@link #PRINT_CLIP}.
*/
ART_BOX,
/**
* ViewArea constant.
*/
VIEW_AREA,
/**
* ViewClip constant.
*/
VIEW_CLIP,
/**
* PrintArea constant.
*/
PRINT_AREA,
/**
* PrintClip constant.
*/
PRINT_CLIP,
/**
* Page scaling option constant for {@link PdfName#PrintScaling}.
*/
NONE,
/**
* Page scaling option constant for {@link PdfName#PrintScaling}.
*/
APP_DEFAULT,
/**
* The paper handling option constant for {@link PdfName#Duplex}.
*/
SIMPLEX,
/**
* The paper handling option constant for {@link PdfName#Duplex}.
*/
DUPLEX_FLIP_SHORT_EDGE,
/**
* The paper handling option constant for {@link PdfName#Duplex}.
*/
DUPLEX_FLIP_LONG_EDGE
}
public PdfViewerPreferences() {
this(new PdfDictionary());
}
public PdfViewerPreferences(PdfDictionary pdfObject) {
super(pdfObject);
}
/**
* This method sets HideToolBar flag to true or false
*
* @param hideToolbar HideToolBar flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setHideToolbar(boolean hideToolbar) {
return put(PdfName.HideToolbar, PdfBoolean.valueOf(hideToolbar));
}
/**
* This method sets HideMenuBar flag to true or false
*
* @param hideMenubar HideMenuBar flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setHideMenubar(boolean hideMenubar) {
return put(PdfName.HideMenubar, PdfBoolean.valueOf(hideMenubar));
}
/**
* This method sets HideWindowUI flag to true or false
*
* @param hideWindowUI HideWindowUI flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setHideWindowUI(boolean hideWindowUI) {
return put(PdfName.HideWindowUI, PdfBoolean.valueOf(hideWindowUI));
}
/**
* This method sets FitWindow flag to true or false
*
* @param fitWindow FitWindow flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setFitWindow(boolean fitWindow) {
return put(PdfName.FitWindow, PdfBoolean.valueOf(fitWindow));
}
/**
* This method sets CenterWindow flag to true or false
*
* @param centerWindow CenterWindow flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setCenterWindow(boolean centerWindow) {
return put(PdfName.CenterWindow, PdfBoolean.valueOf(centerWindow));
}
/**
* This method sets DisplayDocTitle flag to true or false
*
* @param displayDocTitle DisplayDocTitle flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setDisplayDocTitle(boolean displayDocTitle) {
return put(PdfName.DisplayDocTitle, PdfBoolean.valueOf(displayDocTitle));
}
/**
* This method sets NonFullScreenPageMode property. Allowed values are UseNone, UseOutlines, useThumbs, UseOC.
* This entry is meaningful only if the value of the PageMode entry in the Catalog dictionary is FullScreen
*
* @param nonFullScreenPageMode NonFullScreenPageMode property type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setNonFullScreenPageMode(PdfViewerPreferencesConstants nonFullScreenPageMode) {
switch (nonFullScreenPageMode) {
case USE_NONE:
put(PdfName.NonFullScreenPageMode, PdfName.UseNone);
break;
case USE_OUTLINES:
put(PdfName.NonFullScreenPageMode, PdfName.UseOutlines);
break;
case USE_THUMBS:
put(PdfName.NonFullScreenPageMode, PdfName.UseThumbs);
break;
case USE_OC:
put(PdfName.NonFullScreenPageMode, PdfName.UseOC);
break;
default:
}
return this;
}
/**
* This method sets predominant reading order of text.
*
* @param direction reading order type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setDirection(PdfViewerPreferencesConstants direction) {
switch (direction) {
case LEFT_TO_RIGHT:
put(PdfName.Direction, PdfName.L2R);
break;
case RIGHT_TO_LEFT:
put(PdfName.Direction, PdfName.R2L);
break;
default:
}
return this;
}
/**
* This method sets the name of the page boundary representing the area of a page that shall be displayed when
* viewing the document on the screen.
* Deprecated in PDF 2.0.
*
* @param pageBoundary page boundary type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setViewArea(PdfViewerPreferencesConstants pageBoundary) {
return setPageBoundary(PdfViewerPreferencesConstants.VIEW_AREA, pageBoundary);
}
/**
* This method sets the name of the page boundary to which the contents of a page shall be clipped when
* viewing the document on the screen.
* Deprecated in PDF 2.0.
*
* @param pageBoundary page boundary type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setViewClip(PdfViewerPreferencesConstants pageBoundary) {
return setPageBoundary(PdfViewerPreferencesConstants.VIEW_CLIP, pageBoundary);
}
/**
* This method sets the name of the page boundary representing the area of a page that shall be
* rendered when printing the document.
* Deprecated in PDF 2.0.
*
* @param pageBoundary page boundary type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setPrintArea(PdfViewerPreferencesConstants pageBoundary) {
return setPageBoundary(PdfViewerPreferencesConstants.PRINT_AREA, pageBoundary);
}
/**
* This method sets the name of the page boundary to which the contents of a page shall be clipped when
* printing the document.
* Deprecated in PDF 2.0.
*
* @param pageBoundary page boundary type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setPrintClip(PdfViewerPreferencesConstants pageBoundary) {
return setPageBoundary(PdfViewerPreferencesConstants.PRINT_CLIP, pageBoundary);
}
/**
* This method sets the page scaling option that shall be selected when a print dialog is displayed for this
* document. Valid values are None and AppDefault.
*
* @param printScaling page scaling option's type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setPrintScaling(PdfViewerPreferencesConstants printScaling) {
switch (printScaling) {
case NONE:
put(PdfName.PrintScaling, PdfName.None);
break;
case APP_DEFAULT:
put(PdfName.PrintScaling, PdfName.AppDefault);
break;
default:
}
return this;
}
/**
* This method sets the paper handling option that shall be used when printing the file from the print dialog.
* The following values are valid: Simplex, DuplexFlipShortEdge, DuplexFlipLongEdge.
*
* @param duplex paper handling option's type value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setDuplex(PdfViewerPreferencesConstants duplex) {
switch (duplex) {
case SIMPLEX:
put(PdfName.Duplex, PdfName.Simplex);
break;
case DUPLEX_FLIP_SHORT_EDGE:
put(PdfName.Duplex, PdfName.DuplexFlipShortEdge);
break;
case DUPLEX_FLIP_LONG_EDGE:
put(PdfName.Duplex, PdfName.DuplexFlipLongEdge);
break;
default:
}
return this;
}
/**
* This method sets PickTrayByPDFSize flag to true or false.
*
* @param pickTrayByPdfSize PickTrayByPDFSize flag's boolean value
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setPickTrayByPDFSize(boolean pickTrayByPdfSize) {
return put(PdfName.PickTrayByPDFSize, PdfBoolean.valueOf(pickTrayByPdfSize));
}
/**
* This method sets the page numbers used to initialize the print dialog box when the file is printed.
*
* @param printPageRange the array of page numbers
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setPrintPageRange(int[] printPageRange) {
return put(PdfName.PrintPageRange, new PdfArray(printPageRange));
}
/**
* This method sets the number of copies that shall be printed when the print dialog is opened for this file.
*
* @param numCopies the number of copies to print when the print dialog is opened
* @return current instance of {@link PdfViewerPreferences}
*/
public PdfViewerPreferences setNumCopies(int numCopies) {
return put(PdfName.NumCopies, new PdfNumber(numCopies));
}
/**
* PDF 2.0. Sets an array of names of Viewer preference settings that
* shall be enforced by PDF processors and that shall not be overridden by
* subsequent selections in the application user interface
*
* @param enforce array of names specifying settings to enforce in the PDF processors
* @return this {@link PdfViewerPreferences} instance
*/
public PdfViewerPreferences setEnforce(PdfArray enforce) {
for (int i = 0; i < enforce.size(); i++) {
PdfName curEnforce = enforce.getAsName(i);
if (curEnforce == null) {
throw new IllegalArgumentException("Enforce array shall contain PdfName entries");
} else if (PdfName.PrintScaling.equals(curEnforce)) {
// This name may appear in the Enforce array only if the corresponding entry in
// the viewer preferences dictionary specifies a valid value other than AppDefault
PdfName curPrintScaling = getPdfObject().getAsName(PdfName.PrintScaling);
if (curPrintScaling == null || PdfName.AppDefault.equals(curPrintScaling)) {
throw new PdfException(KernelExceptionMessageConstant.PRINT_SCALING_ENFORCE_ENTRY_INVALID);
}
}
}
return put(PdfName.Enforce, enforce);
}
/**
* PDF 2.0. Gets an array of names of Viewer preference settings that
* shall be enforced by PDF processors and that shall not be overridden by
* subsequent selections in the application user interface
*
* @return array of names specifying settings to enforce in the PDF processors
*/
public PdfArray getEnforce() {
return getPdfObject().getAsArray(PdfName.Enforce);
}
public PdfViewerPreferences put(PdfName key, PdfObject value) {
getPdfObject().put(key, value);
setModified();
return this;
}
@Override
protected boolean isWrappedObjectMustBeIndirect() {
return false;
}
private PdfViewerPreferences setPageBoundary(PdfViewerPreferencesConstants viewerPreferenceType, PdfViewerPreferencesConstants pageBoundary) {
PdfName type = null;
switch (viewerPreferenceType) {
case VIEW_AREA :
type = PdfName.ViewArea;
break;
case VIEW_CLIP :
type = PdfName.ViewClip;
break;
case PRINT_AREA :
type = PdfName.PrintArea;
break;
case PRINT_CLIP :
type = PdfName.PrintClip;
break;
default:
}
if (type != null) {
switch (pageBoundary) {
case MEDIA_BOX:
put(type, PdfName.MediaBox);
break;
case CROP_BOX:
put(type, PdfName.CropBox);
break;
case BLEED_BOX:
put(type, PdfName.BleedBox);
break;
case TRIM_BOX:
put(type, PdfName.TrimBox);
break;
case ART_BOX:
put(type, PdfName.ArtBox);
break;
default:
}
}
return this;
}
}
