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## com.lowagie.text.pdf
Class PdfWriter

    java.lang.Object
      com.lowagie.text.DocWriter
          com.lowagie.text.pdf.PdfWriter

All Implemented Interfaces:
  DocListener, ElementListener, PdfAnnotations, PdfDocumentActions, PdfEncryptionSettings, PdfPageActions, PdfRunDirection, PdfVersion, PdfViewerPreferences, PdfXConformance, EventListener

Direct Known Subclasses:
  FdfWriter.Wrt, PdfCopy, PdfCopyFieldsImp, PdfStamperImp

    public class PdfWriter

extends DocWriter
implements PdfViewerPreferences, PdfEncryptionSettings, PdfVersion, PdfDocumentActions, PdfPageActions, PdfXConformance, PdfRunDirection, PdfAnnotations

A `DocWriter` class for PDF.

When this `PdfWriter` is added to a certain `PdfDocument`, the PDF representation of every Element added to this Document will be written to the outputstream.

Nested Class Summary
`static class` | `PdfWriter.PdfBody` This class generates the structure of a PDF document.
`(package private) static class` | `PdfWriter.PdfTrailer` `PdfTrailer` is the PDF Trailer object.

Field Summary
`static int` | `ALLOW_ASSEMBLY` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_COPY` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_DEGRADED_PRINTING` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_FILL_IN` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_MODIFY_ANNOTATIONS` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_MODIFY_CONTENTS` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_PRINTING` The operation permitted when the document is opened with the user password
`static int` | `ALLOW_SCREENREADERS` The operation permitted when the document is opened with the user password
`static int` | `AllowAssembly` Deprecated. As of iText 2.0.7, use `ALLOW_ASSEMBLY` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowCopy` Deprecated. As of iText 2.0.7, use `ALLOW_COPY` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowDegradedPrinting` Deprecated. As of iText 2.0.7, use `ALLOW_DEGRADED_PRINTING` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowFillIn` Deprecated. As of iText 2.0.7, use `ALLOW_FILL_IN` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowModifyAnnotations` Deprecated. As of iText 2.0.7, use `ALLOW_MODIFY_ANNOTATIONS` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowModifyContents` Deprecated. As of iText 2.0.7, use `ALLOW_MODIFY_CONTENTS` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowPrinting` Deprecated. As of iText 2.0.7, use `ALLOW_PRINTING` instead. Scheduled for removal at or after 2.2.0
`static int` | `AllowScreenReaders` Deprecated. As of iText 2.0.7, use `ALLOW_SCREENREADERS` instead. Scheduled for removal at or after 2.2.0
`protected PdfWriter.PdfBody` | `body` body of the PDF document
`static int` | `CenterWindow` A viewer preference
`protected int` | `colorNumber` The color number counter for the colors in the document.
`protected int` | `compressionLevel` The compression level of the content streams.
`protected PdfEncryption` | `crypto` Contains the business logic for cryptography.
`protected int` | `currentPageNumber` The current page number.
`protected PdfReaderInstance` | `currentPdfReaderInstance`
`protected PdfDictionary` | `defaultColorspace`
`static PdfName` | `DID_PRINT` action value
`static PdfName` | `DID_SAVE` action value
`protected PdfContentByte` | `directContent` The direct content in this document.
`protected PdfContentByte` | `directContentUnder` The direct content under in this document.
`static int` | `DirectionL2R` A viewer preference
`static int` | `DirectionR2L` A viewer preference
`static int` | `DisplayDocTitle` A viewer preference
`static int` | `DO_NOT_ENCRYPT_METADATA` Add this to the mode to keep the metadata in clear text
`static PdfName` | `DOCUMENT_CLOSE` action value
`protected HashMap` | `documentColors` The colors of this document
`protected HashMap` | `documentExtGState`
`protected LinkedHashMap` | `documentFonts` The fonts of this document
`protected HashSet` | `documentOCG` A hashSet containing all the PdfLayer objects.
`protected ArrayList` | `documentOCGorder` An array list used to define the order of an OCG tree.
`protected HashMap` | `documentPatterns` The patterns of this document
`protected HashMap` | `documentProperties`
`protected HashMap` | `documentShadingPatterns`
`protected HashMap` | `documentShadings`
`protected HashMap` | `documentSpotPatterns`
`static int` | `EMBEDDED_FILES_ONLY` Add this to the mode to keep encrypt only the embedded files.
`static int` | `ENCRYPTION_AES_128` Type of encryption
`(package private) static int` | `ENCRYPTION_MASK` Mask to separate the encryption type from the encryption mode.
`protected PdfDictionary` | `extraCatalog` Holds value of property extraCatalog this is used for Output Intents.
`static int` | `FitWindow` A viewer preference
`protected int` | `fontNumber` The font number counter for the fonts in the document.
`protected HashMap` | `formXObjects` The form XObjects in this document.
`protected int` | `formXObjectsCounter` The name counter for the form XObjects name.
`protected boolean` | `fullCompression` Holds value of property fullCompression.
`static int` | `GENERATION_MAX` The highest generation number possible.
`protected PdfDictionary` | `group` A group attributes dictionary specifying the attributes of the page's page group for use in the transparent imaging model
`static int` | `HideMenubar` A viewer preference
`static int` | `HideToolbar` A viewer preference
`static int` | `HideWindowUI` A viewer preference
`protected PdfDictionary` | `imageDictionary` Dictionary, containing all the images of the PDF document
`private HashMap` | `images` This is the list with all the images in the document.
`protected HashMap` | `importedPages`
`protected HashMap` | `JBIG2Globals` A HashSet with Stream objects containing JBIG2 Globals
`protected List` | `newBookmarks`
`static float` | `NO_SPACE_CHAR_RATIO` Disable the inter-character spacing.
`static int` | `NonFullScreenPageModeUseNone` A viewer preference
`static int` | `NonFullScreenPageModeUseOC` A viewer preference
`static int` | `NonFullScreenPageModeUseOutlines` A viewer preference
`static int` | `NonFullScreenPageModeUseThumbs` A viewer preference
`protected PdfArray` | `OCGLocked` The locked array in an OCG dictionary
`protected PdfArray` | `OCGRadioGroup` The RBGroups array in an OCG dictionary
`protected PdfOCProperties` | `OCProperties` The OCProperties in a catalog dictionary.
`static PdfName` | `PAGE_CLOSE` action value
`static PdfName` | `PAGE_OPEN` action value
`private PdfPageEvent` | `pageEvent` The `PdfPageEvent` for this document.
`static int` | `PageLayoutOneColumn` A viewer preference
`static int` | `PageLayoutSinglePage` A viewer preference
`static int` | `PageLayoutTwoColumnLeft` A viewer preference
`static int` | `PageLayoutTwoColumnRight` A viewer preference
`static int` | `PageLayoutTwoPageLeft` A viewer preference
`static int` | `PageLayoutTwoPageRight` A viewer preference
`static int` | `PageModeFullScreen` A viewer preference
`static int` | `PageModeUseAttachments` A viewer preference
`static int` | `PageModeUseNone` A viewer preference
`static int` | `PageModeUseOC` A viewer preference
`static int` | `PageModeUseOutlines` A viewer preference
`static int` | `PageModeUseThumbs` A viewer preference
`protected ArrayList` | `pageReferences` The PdfIndirectReference to the pages.
`protected ColorDetails` | `patternColorspaceCMYK`
`protected ColorDetails` | `patternColorspaceGRAY`
`protected ColorDetails` | `patternColorspaceRGB`
`protected int` | `patternNumber` The pattern number counter for the colors in the document.
`protected PdfDocument` | `pdf` the pdfdocument object.
`protected PdfVersionImp` | `pdf_version` Stores the version information for the header and the catalog.
`static PdfName` | `PDF_VERSION_1_2` possible PDF version (catalog)
`static PdfName` | `PDF_VERSION_1_3` possible PDF version (catalog)
`static PdfName` | `PDF_VERSION_1_4` possible PDF version (catalog)
`static PdfName` | `PDF_VERSION_1_5` possible PDF version (catalog)
`static PdfName` | `PDF_VERSION_1_6` possible PDF version (catalog)
`static PdfName` | `PDF_VERSION_1_7` possible PDF version (catalog)
`static int` | `PDFA1A` PDFA-1A level.
`static int` | `PDFA1B` PDFA-1B level.
`static int` | `PDFX1A2001` A PDF/X level.
`static int` | `PDFX32002` A PDF/X level.
`private PdfXConformanceImp` | `pdfxConformance` Stores the PDF/X level.
`static int` | `PDFXNONE` A PDF/X level.
`protected int` | `prevxref` A number referring to the previous Cross-Reference Table.
`static int` | `PrintScalingNone` A viewer preference
`private boolean` | `rgbTransparencyBlending` Holds value of property RGBTranparency.
`protected PdfPages` | `root` The root of the page tree.
`static int` | `RUN_DIRECTION_DEFAULT` Use the default run direction.
`static int` | `RUN_DIRECTION_LTR` Use bidirectional reordering with left-to-right preferential run direction.
`static int` | `RUN_DIRECTION_NO_BIDI` Do not use bidirectional reordering.
`static int` | `RUN_DIRECTION_RTL` Use bidirectional reordering with right-to-left preferential run direction.
`protected int` | `runDirection`
`static int` | `SIGNATURE_APPEND_ONLY` signature value
`static int` | `SIGNATURE_EXISTS` signature value
`static float` | `SPACE_CHAR_RATIO_DEFAULT` The default space-char ratio.
`private float` | `spaceCharRatio` The ratio between the extra word spacing and the extra character spacing.
`static int` | `STANDARD_ENCRYPTION_128` Type of encryption
`static int` | `STANDARD_ENCRYPTION_40` Type of encryption
`static boolean` | `STRENGTH128BITS` Deprecated. As of iText 2.0.7, use `STANDARD_ENCRYPTION_128` instead. Scheduled for removal at or after 2.2.0
`static boolean` | `STRENGTH40BITS` Deprecated. As of iText 2.0.7, use `STANDARD_ENCRYPTION_40` instead. Scheduled for removal at or after 2.2.0
`protected PdfStructureTreeRoot` | `structureTreeRoot`
`protected PdfName` | `tabs` The value of the Tabs entry in the page dictionary.
`protected boolean` | `tagged`
`private boolean` | `userProperties` A flag indicating the presence of structure elements that contain user properties attributes.
`protected float` | `userunit`
`static char` | `VERSION_1_2` possible PDF version (header)
`static char` | `VERSION_1_3` possible PDF version (header)
`static char` | `VERSION_1_4` possible PDF version (header)
`static char` | `VERSION_1_5` possible PDF version (header)
`static char` | `VERSION_1_6` possible PDF version (header)
`static char` | `VERSION_1_7` possible PDF version (header)
`static PdfName` | `WILL_PRINT` action value
`static PdfName` | `WILL_SAVE` action value
`protected byte[]` | `xmpMetadata` XMP Metadata for the document.

Fields inherited from class com.lowagie.text.DocWriter
`closeStream, document, EQUALS, FORWARD, GT, LT, NEWLINE, open, os, pageSize, pause, QUOTE, SPACE, TAB`

Constructor Summary
`protected` | `PdfWriter()` Constructs a `PdfWriter`.
`protected` | `PdfWriter(PdfDocument document, OutputStream os)` Constructs a `PdfWriter`.

Method Summary
`protected PdfIndirectReference` | `add(PdfICCBased icc)`
`(package private) PdfIndirectReference` | `add(PdfImage pdfImage, PdfIndirectReference fixedRef)` Writes a `PdfImage` to the outputstream.
`(package private) PdfIndirectReference` | `add(PdfPage page, PdfContents contents)` Adds some `PdfContents` to this Writer.
`void` | `addAnnotation(PdfAnnotation annot)` Use this methods to add a `PdfAnnotation` or a `PdfFormField` to the document.
`(package private) void` | `addAnnotation(PdfAnnotation annot, int page)`
`private void` | `addASEvent(PdfName event, PdfName category)`
`void` | `addCalculationOrder(PdfFormField annot)` Use this method to adds the `PdfAnnotation` to the calculation order array.
`void` | `addDeveloperExtension(PdfDeveloperExtension de)` Adds a developer extension to the Extensions dictionary in the Catalog.
`PdfName` | `addDirectImageSimple(Image image)` Use this method to adds an image to the document but not to the page resources.
`PdfName` | `addDirectImageSimple(Image image, PdfIndirectReference fixedRef)` Adds an image to the document but not to the page resources.
`(package private) PdfName` | `addDirectTemplateSimple(PdfTemplate template, PdfName forcedName)` Adds a template to the document but not to the page resources.
`void` | `addFileAttachment(PdfFileSpecification fs)` Use this method to add a file attachment at the document level.
`void` | `addFileAttachment(String description, byte[] fileStore, String file, String fileDisplay)` Use this method to add a file attachment at the document level.
`void` | `addFileAttachment(String description, PdfFileSpecification fs)` Use this method to add a file attachment at the document level.
`void` | `addJavaScript(PdfAction js)` Use this method to add a JavaScript action at the document level.
`void` | `addJavaScript(String code)` Use this method to adds a JavaScript action at the document level.
`void` | `addJavaScript(String code, boolean unicode)` Use this method to add a JavaScript action at the document level.
`void` | `addJavaScript(String name, PdfAction js)` Use this method to add a JavaScript action at the document level.
`void` | `addJavaScript(String name, String code)` Use this method to adds a JavaScript action at the document level.
`void` | `addJavaScript(String name, String code, boolean unicode)` Use this method to add a JavaScript action at the document level.
`(package private) void` | `addLocalDestinations(TreeMap dest)` Adds the local destinations to the body of the document.
`void` | `addNamedDestination(String name, int page, PdfDestination dest)` Adds one named destination.
`void` | `addNamedDestinations(Map map, int page_offset)` Adds named destinations in bulk.
`void` | `addOCGRadioGroup(ArrayList group)` Use this method to set a collection of optional content groups whose states are intended to follow a "radio button" paradigm.
`protected void` | `addSharedObjectsToBody()`
`(package private) FontDetails` | `addSimple(BaseFont bf)` Adds a `BaseFont` to the document but not to the page resources.
`(package private) ColorDetails` | `addSimple(PdfSpotColor spc)` Adds a `SpotColor` to the document but not to the page resources.
`(package private) PdfObject[]` | `addSimpleExtGState(PdfDictionary gstate)`
`(package private) PdfName` | `addSimplePattern(PdfPatternPainter painter)`
`(package private) ColorDetails` | `addSimplePatternColorspace(Color color)`
`(package private) PdfObject[]` | `addSimpleProperty(Object prop, PdfIndirectReference refi)`
`(package private) void` | `addSimpleShading(PdfShading shading)`
`(package private) void` | `addSimpleShadingPattern(PdfShadingPattern shading)`
`PdfIndirectObject` | `addToBody(PdfObject object)` Use this method to add a PDF object to the PDF body.
`PdfIndirectObject` | `addToBody(PdfObject object, boolean inObjStm)` Use this method to add a PDF object to the PDF body.
`PdfIndirectObject` | `addToBody(PdfObject object, int refNumber)` Use this method to add a PDF object to the PDF body.
`PdfIndirectObject` | `addToBody(PdfObject object, int refNumber, boolean inObjStm)` Use this method to add a PDF object to the PDF body.
`PdfIndirectObject` | `addToBody(PdfObject object, PdfIndirectReference ref)` Use this method to add a PDF object to the PDF body.
`PdfIndirectObject` | `addToBody(PdfObject object, PdfIndirectReference ref, boolean inObjStm)` Use this method to add a PDF object to the PDF body.
`void` | `addViewerPreference(PdfName key, PdfObject value)` Adds a viewer preference.
`void` | `clearTextWrap()` Use this method to clear text wrapping around images (if applicable).
`void` | `close()` Signals that the `Document` was closed and that no other `Elements` will be added.
`void` | `createXmpMetadata()` Use this method to creates XMP Metadata based on the metadata in the PdfDocument.
`private byte[]` | `createXmpMetadataBytes()`
`(package private) void` | `eliminateFontSubset(PdfDictionary fonts)`
`protected void` | `fillOCProperties(boolean erase)`
`boolean` | `fitsPage(Table table)` Checks if a `Table` fits the current page of the `PdfDocument`.
`boolean` | `fitsPage(Table table, float margin)` Checks if a `Table` fits the current page of the `PdfDocument`.
`void` | `freeReader(PdfReader reader)` Use this method to writes the reader to the document and free the memory used by it.
`PdfAcroForm` | `getAcroForm()` Use this methods to get the AcroForm object.
`Rectangle` | `getBoxSize(String boxName)` Use this method to get the size of a trim, art, crop or bleed box, or null if not defined.
`protected PdfDictionary` | `getCatalog(PdfIndirectReference rootObj)`
`(package private) PdfName` | `getColorspaceName()`
`int` | `getCompressionLevel()` Returns the compression level used for streams written by this writer.
`int` | `getCurrentDocumentSize()` Use this method to gets the current document size.
`(package private) PdfIndirectReference` | `getCurrentPage()`
`int` | `getCurrentPageNumber()`
`PdfDictionary` | `getDefaultColorspace()` Use this method to get the default colorspaces.
`PdfContentByte` | `getDirectContent()` Use this method to get the direct content for this document.
`PdfContentByte` | `getDirectContentUnder()` Use this method to get the direct content under for this document.
`(package private) PdfEncryption` | `getEncryption()`
`PdfDictionary` | `getExtraCatalog()` Sets extra keys to the catalog.
`PdfDictionary` | `getGroup()` Use this method to get the group dictionary.
`(package private) PdfIndirectReference` | `getImageReference(PdfName name)` return the `PdfIndirectReference` to the image with a given name.
`PdfImportedPage` | `getImportedPage(PdfReader reader, int pageNumber)` Use this method to get a page from other PDF document.
`(package private) int` | `getIndirectReferenceNumber()`
`PdfDictionary` | `getInfo()` Use this method to get the info dictionary if you want to change it directly (add keys and values to the info dictionary).
`static PdfWriter` | `getInstance(Document document, OutputStream os)` Use this method to get an instance of the `PdfWriter`.
`static PdfWriter` | `getInstance(Document document, OutputStream os, DocListener listener)` Use this method to get an instance of the `PdfWriter`.
`private static String` | `getNameString(PdfDictionary dic, PdfName key)`
`protected int` | `getNewObjectNumber(PdfReader reader, int number, int generation)`
`private static void` | `getOCGOrder(PdfArray order, PdfLayer layer)`
`PdfOCProperties` | `getOCProperties()` Use this method to get the Optional Content Properties Dictionary.
`(package private) OutputStreamCounter` | `getOs()` Returns the outputStreamCounter.
`PdfPageEvent` | `getPageEvent()` Gets the `PdfPageEvent` for this document or `null` if none is set.
`int` | `getPageNumber()` Gets the pagenumber of this document.
`PdfIndirectReference` | `getPageReference(int page)` Use this method to get a reference to a page existing or not.
`Rectangle` | `getPageSize()` Use this method to get the size of the media box.
`(package private) PdfDocument` | `getPdfDocument()` Gets the `PdfDocument` associated with this writer.
`PdfIndirectReference` | `getPdfIndirectReference()` Use this to get an `PdfIndirectReference` for an object that will be created in the future.
`(package private) PdfVersionImp` | `getPdfVersion()` Returns the version information.
`int` | `getPDFXConformance()` Getter for the PDF/X Conformance value.
`(package private) RandomAccessFileOrArray` | `getReaderFile(PdfReader reader)`
`protected PdfIndirectReference` | `getReferenceJBIG2Globals(byte[] content)` Gets an indirect reference to a JBIG2 Globals stream.
`PdfOutline` | `getRootOutline()` Use this method to get the root outline and construct bookmarks.
`int` | `getRunDirection()` Use this method to set the run direction.
`float` | `getSpaceCharRatio()` Use this method to gets the space/character extra spacing ratio for fully justified text.
`PdfStructureTreeRoot` | `getStructureTreeRoot()` Gets the structure tree root.
`PdfName` | `getTabs()` Returns the value to be used for the Tabs entry in the page tree.
`float` | `getUserunit()` Use this method to get the user unit.
`float` | `getVerticalPosition(boolean ensureNewLine)` Use this method to get the current vertical page position.
`boolean` | `isFullCompression()` Use this method to find out if 1.5 compression is on.
`boolean` | `isPageEmpty()` Checks if a newPage() will actually generate a new page.
`boolean` | `isPdfX()` Checks if the PDF/X Conformance is necessary.
`boolean` | `isRgbTransparencyBlending()` Gets the transparency blending colorspace.
`boolean` | `isStrictImageSequence()` Use this method to get the strictImageSequence status.
`boolean` | `isTagged()` Check if the document is marked for tagging.
`boolean` | `isUserProperties()` Gets the flag indicating the presence of structure elements that contain user properties attributes.
`void` | `lockLayer(PdfLayer layer)` Use this method to lock an optional content group.
`void` | `open()` Signals that the `Document` has been opened and that `Elements` can be added.
`(package private) boolean` | `propertyExists(Object prop)`
`(package private) void` | `registerLayer(PdfOCG layer)`
`void` | `releaseTemplate(PdfTemplate tp)` Use this method to releases the memory used by a template.
`int` | `reorderPages(int[] order)` Use this method to reorder the pages in the document.
`(package private) void` | `resetContent()` Resets all the direct contents to empty.
`void` | `setAdditionalAction(PdfName actionType, PdfAction action)` Additional-actions defining the actions to be taken in response to various trigger events affecting the document as a whole.
`void` | `setAtLeastPdfVersion(char version)` If the PDF Header hasn't been written yet, this changes the version as it will appear in the PDF Header, but only if the parameter refers to a higher version.
`void` | `setBoxSize(String boxName, Rectangle size)` Use this method to set the page box sizes.
`void` | `setCollection(PdfCollection collection)` Use this method to add the Collection dictionary.
`void` | `setCompressionLevel(int compressionLevel)` Sets the compression level to be used for streams written by this writer.
`void` | `setCropBoxSize(Rectangle crop)` Use this method to set the crop box.
`void` | `setDefaultColorspace(PdfName key, PdfObject cs)` Use this method to sets the default colorspace that will be applied to all the document.
`void` | `setDuration(int seconds)` Sets the display duration for the page (for presentations)
`void` | `setEncryption(boolean strength, String userPassword, String ownerPassword, int permissions)` Deprecated. As of iText 2.0.3, replaced by (@link #setEncryption(byte[], byte[], int, int)}. Scheduled for removal at or after 2.2.0
`void` | `setEncryption(byte[] userPassword, byte[] ownerPassword, int permissions, boolean strength128Bits)` Deprecated. As of iText 2.0.3, replaced by (@link #setEncryption(byte[], byte[], int, int)}. Scheduled for removal at or after 2.2.0
`void` | `setEncryption(byte[] userPassword, byte[] ownerPassword, int permissions, int encryptionType)` Sets the encryption options for this document.
`void` | `setEncryption(Certificate[] certs, int[] permissions, int encryptionType)` Sets the certificate encryption options for this document.
`void` | `setEncryption(int encryptionType, String userPassword, String ownerPassword, int permissions)` Deprecated. As of iText 2.0.3, replaced by (@link #setEncryption(byte[], byte[], int, int)}. Scheduled for removal at or after 2.2.0
`void` | `setFullCompression()` Use this method to set the document's compression to the PDF 1.5 mode with object streams and xref streams.
`void` | `setGroup(PdfDictionary group)` Use this method to set the group dictionary.
`void` | `setInitialLeading(float leading)` Sets the initial leading for the PDF document.
`void` | `setLinearPageMode()` Use this method to make sure the page tree has a linear structure (every leave is attached directly to the root).
`void` | `setOpenAction(PdfAction action)` When the document opens this `action` will be invoked.
`void` | `setOpenAction(String name)` When the document opens it will jump to the destination with this name.
`void` | `setOutlines(List outlines)` Sets the bookmarks.
`boolean` | `setOutputIntents(PdfReader reader, boolean checkExistence)` Use this method to copy the output intent dictionary from another document to this one.
`void` | `setOutputIntents(String outputConditionIdentifier, String outputCondition, String registryName, String info, byte[] destOutputProfile)` Sets the values of the output intent dictionary.
`void` | `setOutputIntents(String outputConditionIdentifier, String outputCondition, String registryName, String info, ICC_Profile colorProfile)` Sets the values of the output intent dictionary.
`void` | `setPageAction(PdfName actionType, PdfAction action)` Sets the open and close page additional action.
`void` | `setPageEmpty(boolean pageEmpty)` Use this method to make sure a page is added, even if it's empty.
`void` | `setPageEvent(PdfPageEvent event)` Sets the `PdfPageEvent` for this document.
`void` | `setPageLabels(PdfPageLabels pageLabels)` Use this method to add page labels
`void` | `setPageXmpMetadata(byte[] xmpMetadata)` Use this method to set the XMP Metadata for each page.
`void` | `setPdfVersion(char version)` If the PDF Header hasn't been written yet, this changes the version as it will appear in the PDF Header.
`void` | `setPdfVersion(PdfName version)` Sets the PDF version as it will appear in the Catalog.
`void` | `setPDFXConformance(int pdfx)` Sets the PDF/X conformance level.
`void` | `setRgbTransparencyBlending(boolean rgbTransparencyBlending)` Sets the transparency blending colorspace to RGB.
`void` | `setRunDirection(int runDirection)` Use this method to set the run direction.
`void` | `setSigFlags(int f)` Use this method to set the signature flags.
`void` | `setSpaceCharRatio(float spaceCharRatio)` Use this method to set the ratio between the extra word spacing and the extra character spacing when the text is fully justified.
`void` | `setStrictImageSequence(boolean strictImageSequence)` Use this method to set the image sequence, so that it follows the text in strict order (or not).
`void` | `setTabs(PdfName tabs)` Sets the value for the Tabs entry in the page tree.
`void` | `setTagged()` Mark this document for tagging.
`void` | `setThumbnail(Image image)` Use this method to set the thumbnail image for the current page.
`void` | `setTransition(PdfTransition transition)` Sets the transition for the page
`void` | `setUserProperties(boolean userProperties)` Sets the flag indicating the presence of structure elements that contain user properties attributes.
`void` | `setUserunit(float userunit)` Use this method to set the user unit.
`void` | `setViewerPreferences(int preferences)` Sets the page layout and page mode preferences by ORing one or two of these constants.
`void` | `setXmpMetadata(byte[] xmpMetadata)` Use this method to set the XMP Metadata.
`protected void` | `writeOutlines(PdfDictionary catalog, boolean namedAsNames)`

Methods inherited from class com.lowagie.text.DocWriter
`add, addTabs, flush, getISOBytes, isCloseStream, isPaused, newPage, pause, resetFooter, resetHeader, resetPageCount, resume, setCloseStream, setFooter, setHeader, setMarginMirroring, setMarginMirroringTopBottom, setMargins, setPageCount, setPageSize, write, write, writeEnd, writeEnd, writeMarkupAttributes, writeStart`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### GENERATION_MAX

    public static final int GENERATION_MAX

  The highest generation number possible.

  Since:
    iText 2.1.6
  See Also:
    Constant Field Values

### pdf

    protected PdfDocument pdf

  the pdfdocument object.

### directContent

    protected PdfContentByte directContent

  The direct content in this document.

### directContentUnder

    protected PdfContentByte directContentUnder

  The direct content under in this document.

### body

    protected PdfWriter.PdfBody body

  body of the PDF document

### extraCatalog

    protected PdfDictionary extraCatalog

  Holds value of property extraCatalog this is used for Output Intents.

### root

    protected PdfPages root

  The root of the page tree.

### pageReferences

    protected ArrayList pageReferences

  The PdfIndirectReference to the pages.

### currentPageNumber

    protected int currentPageNumber

  The current page number.

### tabs

    protected PdfName tabs

  The value of the Tabs entry in the page dictionary.

  Since:
    2.1.5

### pageEvent

    private PdfPageEvent pageEvent

  The `PdfPageEvent` for this document.

### prevxref

    protected int prevxref

  A number referring to the previous Cross-Reference Table.

### newBookmarks

    protected List newBookmarks

### VERSION_1_2

    public static final char VERSION_1_2

  possible PDF version (header)

  See Also:
    Constant Field Values

### VERSION_1_3

    public static final char VERSION_1_3

  possible PDF version (header)

  See Also:
    Constant Field Values

### VERSION_1_4

    public static final char VERSION_1_4

  possible PDF version (header)

  See Also:
    Constant Field Values

### VERSION_1_5

    public static final char VERSION_1_5

  possible PDF version (header)

  See Also:
    Constant Field Values

### VERSION_1_6

    public static final char VERSION_1_6

  possible PDF version (header)

  See Also:
    Constant Field Values

### VERSION_1_7

    public static final char VERSION_1_7

  possible PDF version (header)

  See Also:
    Constant Field Values

### PDF_VERSION_1_2

    public static final PdfName PDF_VERSION_1_2

  possible PDF version (catalog)

### PDF_VERSION_1_3

    public static final PdfName PDF_VERSION_1_3

  possible PDF version (catalog)

### PDF_VERSION_1_4

    public static final PdfName PDF_VERSION_1_4

  possible PDF version (catalog)

### PDF_VERSION_1_5

    public static final PdfName PDF_VERSION_1_5

  possible PDF version (catalog)

### PDF_VERSION_1_6

    public static final PdfName PDF_VERSION_1_6

  possible PDF version (catalog)

### PDF_VERSION_1_7

    public static final PdfName PDF_VERSION_1_7

  possible PDF version (catalog)

### pdf_version

    protected PdfVersionImp pdf_version

  Stores the version information for the header and the catalog.

### PageLayoutSinglePage

    public static final int PageLayoutSinglePage

  A viewer preference

  See Also:
    Constant Field Values

### PageLayoutOneColumn

    public static final int PageLayoutOneColumn

  A viewer preference

  See Also:
    Constant Field Values

### PageLayoutTwoColumnLeft

    public static final int PageLayoutTwoColumnLeft

  A viewer preference

  See Also:
    Constant Field Values

### PageLayoutTwoColumnRight

    public static final int PageLayoutTwoColumnRight

  A viewer preference

  See Also:
    Constant Field Values

### PageLayoutTwoPageLeft

    public static final int PageLayoutTwoPageLeft

  A viewer preference

  See Also:
    Constant Field Values

### PageLayoutTwoPageRight

    public static final int PageLayoutTwoPageRight

  A viewer preference

  See Also:
    Constant Field Values

### PageModeUseNone

    public static final int PageModeUseNone

  A viewer preference

  See Also:
    Constant Field Values

### PageModeUseOutlines

    public static final int PageModeUseOutlines

  A viewer preference

  See Also:
    Constant Field Values

### PageModeUseThumbs

    public static final int PageModeUseThumbs

  A viewer preference

  See Also:
    Constant Field Values

### PageModeFullScreen

    public static final int PageModeFullScreen

  A viewer preference

  See Also:
    Constant Field Values

### PageModeUseOC

    public static final int PageModeUseOC

  A viewer preference

  See Also:
    Constant Field Values

### PageModeUseAttachments

    public static final int PageModeUseAttachments

  A viewer preference

  See Also:
    Constant Field Values

### HideToolbar

    public static final int HideToolbar

  A viewer preference

  See Also:
    Constant Field Values

### HideMenubar

    public static final int HideMenubar

  A viewer preference

  See Also:
    Constant Field Values

### HideWindowUI

    public static final int HideWindowUI

  A viewer preference

  See Also:
    Constant Field Values

### FitWindow

    public static final int FitWindow

  A viewer preference

  See Also:
    Constant Field Values

### CenterWindow

    public static final int CenterWindow

  A viewer preference

  See Also:
    Constant Field Values

### DisplayDocTitle

    public static final int DisplayDocTitle

  A viewer preference

  See Also:
    Constant Field Values

### NonFullScreenPageModeUseNone

    public static final int NonFullScreenPageModeUseNone

  A viewer preference

  See Also:
    Constant Field Values

### NonFullScreenPageModeUseOutlines

    public static final int NonFullScreenPageModeUseOutlines

  A viewer preference

  See Also:
    Constant Field Values

### NonFullScreenPageModeUseThumbs

    public static final int NonFullScreenPageModeUseThumbs

  A viewer preference

  See Also:
    Constant Field Values

### NonFullScreenPageModeUseOC

    public static final int NonFullScreenPageModeUseOC

  A viewer preference

  See Also:
    Constant Field Values

### DirectionL2R

    public static final int DirectionL2R

  A viewer preference

  See Also:
    Constant Field Values

### DirectionR2L

    public static final int DirectionR2L

  A viewer preference

  See Also:
    Constant Field Values

### PrintScalingNone

    public static final int PrintScalingNone

  A viewer preference

  See Also:
    Constant Field Values

### DOCUMENT_CLOSE

    public static final PdfName DOCUMENT_CLOSE

  action value

### WILL_SAVE

    public static final PdfName WILL_SAVE

  action value

### DID_SAVE

    public static final PdfName DID_SAVE

  action value

### WILL_PRINT

    public static final PdfName WILL_PRINT

  action value

### DID_PRINT

    public static final PdfName DID_PRINT

  action value

### SIGNATURE_EXISTS

    public static final int SIGNATURE_EXISTS

  signature value

  See Also:
    Constant Field Values

### SIGNATURE_APPEND_ONLY

    public static final int SIGNATURE_APPEND_ONLY

  signature value

  See Also:
    Constant Field Values

### xmpMetadata

    protected byte[] xmpMetadata

  XMP Metadata for the document.

### PDFXNONE

    public static final int PDFXNONE

  A PDF/X level.

  See Also:
    Constant Field Values

### PDFX1A2001

    public static final int PDFX1A2001

  A PDF/X level.

  See Also:
    Constant Field Values

### PDFX32002

    public static final int PDFX32002

  A PDF/X level.

  See Also:
    Constant Field Values

### PDFA1A

    public static final int PDFA1A

  PDFA-1A level.

  See Also:
    Constant Field Values

### PDFA1B

    public static final int PDFA1B

  PDFA-1B level.

  See Also:
    Constant Field Values

### pdfxConformance

    private PdfXConformanceImp pdfxConformance

  Stores the PDF/X level.

### STANDARD_ENCRYPTION_40

    public static final int STANDARD_ENCRYPTION_40

  Type of encryption

  See Also:
    Constant Field Values

### STANDARD_ENCRYPTION_128

    public static final int STANDARD_ENCRYPTION_128

  Type of encryption

  See Also:
    Constant Field Values

### ENCRYPTION_AES_128

    public static final int ENCRYPTION_AES_128

  Type of encryption

  See Also:
    Constant Field Values

### ENCRYPTION_MASK

    static final int ENCRYPTION_MASK

  Mask to separate the encryption type from the encryption mode.

  See Also:
    Constant Field Values

### DO_NOT_ENCRYPT_METADATA

    public static final int DO_NOT_ENCRYPT_METADATA

  Add this to the mode to keep the metadata in clear text

  See Also:
    Constant Field Values

### EMBEDDED_FILES_ONLY

    public static final int EMBEDDED_FILES_ONLY

  Add this to the mode to keep encrypt only the embedded files.

  Since:
    2.1.3
  See Also:
    Constant Field Values

### ALLOW_PRINTING

    public static final int ALLOW_PRINTING

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_MODIFY_CONTENTS

    public static final int ALLOW_MODIFY_CONTENTS

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_COPY

    public static final int ALLOW_COPY

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_MODIFY_ANNOTATIONS

    public static final int ALLOW_MODIFY_ANNOTATIONS

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_FILL_IN

    public static final int ALLOW_FILL_IN

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_SCREENREADERS

    public static final int ALLOW_SCREENREADERS

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_ASSEMBLY

    public static final int ALLOW_ASSEMBLY

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### ALLOW_DEGRADED_PRINTING

    public static final int ALLOW_DEGRADED_PRINTING

  The operation permitted when the document is opened with the user password

  Since:
    2.0.7
  See Also:
    Constant Field Values

### AllowPrinting

    public static final int AllowPrinting

  Deprecated. As of iText 2.0.7, use `ALLOW_PRINTING` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowModifyContents

    public static final int AllowModifyContents

  Deprecated. As of iText 2.0.7, use `ALLOW_MODIFY_CONTENTS` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowCopy

    public static final int AllowCopy

  Deprecated. As of iText 2.0.7, use `ALLOW_COPY` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowModifyAnnotations

    public static final int AllowModifyAnnotations

  Deprecated. As of iText 2.0.7, use `ALLOW_MODIFY_ANNOTATIONS` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowFillIn

    public static final int AllowFillIn

  Deprecated. As of iText 2.0.7, use `ALLOW_FILL_IN` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowScreenReaders

    public static final int AllowScreenReaders

  Deprecated. As of iText 2.0.7, use `ALLOW_SCREENREADERS` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowAssembly

    public static final int AllowAssembly

  Deprecated. As of iText 2.0.7, use `ALLOW_ASSEMBLY` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### AllowDegradedPrinting

    public static final int AllowDegradedPrinting

  Deprecated. As of iText 2.0.7, use `ALLOW_DEGRADED_PRINTING` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### STRENGTH40BITS

    public static final boolean STRENGTH40BITS

  Deprecated. As of iText 2.0.7, use `STANDARD_ENCRYPTION_40` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### STRENGTH128BITS

    public static final boolean STRENGTH128BITS

  Deprecated. As of iText 2.0.7, use `STANDARD_ENCRYPTION_128` instead. Scheduled for removal at or after 2.2.0
  See Also:
    Constant Field Values

### crypto

    protected PdfEncryption crypto

  Contains the business logic for cryptography.

### fullCompression

    protected boolean fullCompression

  Holds value of property fullCompression.

### compressionLevel

    protected int compressionLevel

  The compression level of the content streams.

  Since:
    2.1.3

### documentFonts

    protected LinkedHashMap documentFonts

  The fonts of this document

### fontNumber

    protected int fontNumber

  The font number counter for the fonts in the document.

### formXObjects

    protected HashMap formXObjects

  The form XObjects in this document. The key is the xref and the value is Object[]{PdfName, template}.

### formXObjectsCounter

    protected int formXObjectsCounter

  The name counter for the form XObjects name.

### importedPages

    protected HashMap importedPages

### currentPdfReaderInstance

    protected PdfReaderInstance currentPdfReaderInstance

### documentColors

    protected HashMap documentColors

  The colors of this document

### colorNumber

    protected int colorNumber

  The color number counter for the colors in the document.

### documentPatterns

    protected HashMap documentPatterns

  The patterns of this document

### patternNumber

    protected int patternNumber

  The pattern number counter for the colors in the document.

### documentShadingPatterns

    protected HashMap documentShadingPatterns

### documentShadings

    protected HashMap documentShadings

### documentExtGState

    protected HashMap documentExtGState

### documentProperties

    protected HashMap documentProperties

### tagged

    protected boolean tagged

### structureTreeRoot

    protected PdfStructureTreeRoot structureTreeRoot

### documentOCG

    protected HashSet documentOCG

  A hashSet containing all the PdfLayer objects.

### documentOCGorder

    protected ArrayList documentOCGorder

  An array list used to define the order of an OCG tree.

### OCProperties

    protected PdfOCProperties OCProperties

  The OCProperties in a catalog dictionary.

### OCGRadioGroup

    protected PdfArray OCGRadioGroup

  The RBGroups array in an OCG dictionary

### OCGLocked

    protected PdfArray OCGLocked

  The locked array in an OCG dictionary

  Since:
    2.1.2

### PAGE_OPEN

    public static final PdfName PAGE_OPEN

  action value

### PAGE_CLOSE

    public static final PdfName PAGE_CLOSE

  action value

### group

    protected PdfDictionary group

  A group attributes dictionary specifying the attributes of the page's page group for use in the transparent imaging model

### SPACE_CHAR_RATIO_DEFAULT

    public static final float SPACE_CHAR_RATIO_DEFAULT

  The default space-char ratio.

  See Also:
    Constant Field Values

### NO_SPACE_CHAR_RATIO

    public static final float NO_SPACE_CHAR_RATIO

  Disable the inter-character spacing.

  See Also:
    Constant Field Values

### spaceCharRatio

    private float spaceCharRatio

  The ratio between the extra word spacing and the extra character spacing. Extra word spacing will grow `ratio` times more than extra character spacing.

### RUN_DIRECTION_DEFAULT

    public static final int RUN_DIRECTION_DEFAULT

  Use the default run direction.

  See Also:
    Constant Field Values

### RUN_DIRECTION_NO_BIDI

    public static final int RUN_DIRECTION_NO_BIDI

  Do not use bidirectional reordering.

  See Also:
    Constant Field Values

### RUN_DIRECTION_LTR

    public static final int RUN_DIRECTION_LTR

  Use bidirectional reordering with left-to-right preferential run direction.

  See Also:
    Constant Field Values

### RUN_DIRECTION_RTL

    public static final int RUN_DIRECTION_RTL

  Use bidirectional reordering with right-to-left preferential run direction.

  See Also:
    Constant Field Values

### runDirection

    protected int runDirection

### userunit

    protected float userunit

### defaultColorspace

    protected PdfDictionary defaultColorspace

### documentSpotPatterns

    protected HashMap documentSpotPatterns

### patternColorspaceRGB

    protected ColorDetails patternColorspaceRGB

### patternColorspaceGRAY

    protected ColorDetails patternColorspaceGRAY

### patternColorspaceCMYK

    protected ColorDetails patternColorspaceCMYK

### imageDictionary

    protected PdfDictionary imageDictionary

  Dictionary, containing all the images of the PDF document

### images

    private HashMap images

  This is the list with all the images in the document.

### JBIG2Globals

    protected HashMap JBIG2Globals

  A HashSet with Stream objects containing JBIG2 Globals

  Since:
    2.1.5

### userProperties

    private boolean userProperties

  A flag indicating the presence of structure elements that contain user properties attributes.

### rgbTransparencyBlending

    private boolean rgbTransparencyBlending

  Holds value of property RGBTranparency.

Constructor Detail

### PdfWriter

    protected PdfWriter()

  Constructs a `PdfWriter`.

### PdfWriter

    protected PdfWriter(PdfDocument document,
                        OutputStream os)

  Constructs a `PdfWriter`.

  Remark: a PdfWriter can only be constructed by calling the method `getInstance(Document document, OutputStream os)`.

  Parameters:
    `document` - The `PdfDocument` that has to be written
    `os` - The `OutputStream` the writer has to write to.

Method Detail

### getInstance

    public static PdfWriter getInstance(Document document,
                                        OutputStream os)
                                 throws DocumentException

  Use this method to get an instance of the `PdfWriter`.

  Parameters:
    `document` - The `Document` that has to be written
    `os` - The `OutputStream` the writer has to write to.
  Returns:
    a new `PdfWriter`
  Throws:
    `DocumentException` - on error

### getInstance

    public static PdfWriter getInstance(Document document,
                                        OutputStream os,
                                        DocListener listener)
                                 throws DocumentException

  Use this method to get an instance of the `PdfWriter`.

  Parameters:
    `document` - The `Document` that has to be written
    `os` - The `OutputStream` the writer has to write to.
    `listener` - A `DocListener` to pass to the PdfDocument.
  Returns:
    a new `PdfWriter`
  Throws:
    `DocumentException` - on error

### getPdfDocument

    PdfDocument getPdfDocument()

  Gets the `PdfDocument` associated with this writer.

  Returns:
    the `PdfDocument`

### getInfo

    public PdfDictionary getInfo()

  Use this method to get the info dictionary if you want to change it directly (add keys and values to the info dictionary).

  Returns:
    the info dictionary

### getVerticalPosition

    public float getVerticalPosition(boolean ensureNewLine)

  Use this method to get the current vertical page position.

  Parameters:
    `ensureNewLine` - Tells whether a new line shall be enforced. This may cause side effects for elements that do not terminate the lines they've started because those lines will get terminated.
  Returns:
    The current vertical page position.

### setInitialLeading

    public void setInitialLeading(float leading)
                           throws DocumentException

  Sets the initial leading for the PDF document. This has to be done before the document is opened.

  Parameters:
    `leading` - the initial leading
  Throws:
    `DocumentException` - if you try setting the leading after the document was opened.
  Since:
    2.1.6

### getDirectContent

    public PdfContentByte getDirectContent()

  Use this method to get the direct content for this document. There is only one direct content, multiple calls to this method will allways retrieve the same object.

  Returns:
    the direct content

### getDirectContentUnder

    public PdfContentByte getDirectContentUnder()

  Use this method to get the direct content under for this document. There is only one direct content, multiple calls to this method will always retrieve the same object.

  Returns:
    the direct content

### resetContent

    void resetContent()

  Resets all the direct contents to empty. This happens when a new page is started.

### addLocalDestinations

    void addLocalDestinations(TreeMap dest)
                        throws IOException

  Adds the local destinations to the body of the document.

  Parameters:
    `dest` - the `HashMap` containing the destinations
  Throws:
    `IOException` - on error

### addToBody

    public PdfIndirectObject addToBody(PdfObject object)
                                throws IOException

  Use this method to add a PDF object to the PDF body. Use this method only if you know what you're doing!

  Parameters:
    `object` -
  Returns:
    a PdfIndirectObject
  Throws:
    `IOException`

### addToBody

    public PdfIndirectObject addToBody(PdfObject object,
                                       boolean inObjStm)
                                throws IOException

  Use this method to add a PDF object to the PDF body. Use this method only if you know what you're doing!

  Parameters:
    `object` -
    `inObjStm` -
  Returns:
    a PdfIndirectObject
  Throws:
    `IOException`

### addToBody

    public PdfIndirectObject addToBody(PdfObject object,
                                       PdfIndirectReference ref)
                                throws IOException

  Use this method to add a PDF object to the PDF body. Use this method only if you know what you're doing!

  Parameters:
    `object` -
    `ref` -
  Returns:
    a PdfIndirectObject
  Throws:
    `IOException`

### addToBody

    public PdfIndirectObject addToBody(PdfObject object,
                                       PdfIndirectReference ref,
                                       boolean inObjStm)
                                throws IOException

  Use this method to add a PDF object to the PDF body. Use this method only if you know what you're doing!

  Parameters:
    `object` -
    `ref` -
    `inObjStm` -
  Returns:
    a PdfIndirectObject
  Throws:
    `IOException`

### addToBody

    public PdfIndirectObject addToBody(PdfObject object,
                                       int refNumber)
                                throws IOException

  Use this method to add a PDF object to the PDF body. Use this method only if you know what you're doing!

  Parameters:
    `object` -
    `refNumber` -
  Returns:
    a PdfIndirectObject
  Throws:
    `IOException`

### addToBody

    public PdfIndirectObject addToBody(PdfObject object,
                                       int refNumber,
                                       boolean inObjStm)
                                throws IOException

  Use this method to add a PDF object to the PDF body. Use this method only if you know what you're doing!

  Parameters:
    `object` -
    `refNumber` -
    `inObjStm` -
  Returns:
    a PdfIndirectObject
  Throws:
    `IOException`

### getPdfIndirectReference

    public PdfIndirectReference getPdfIndirectReference()

  Use this to get an `PdfIndirectReference` for an object that will be created in the future. Use this method only if you know what you're doing!

  Returns:
    the `PdfIndirectReference`

### getIndirectReferenceNumber

    int getIndirectReferenceNumber()

### getOs

    OutputStreamCounter getOs()

  Returns the outputStreamCounter.

  Returns:
    the outputStreamCounter

### getCatalog

    protected PdfDictionary getCatalog(PdfIndirectReference rootObj)

### getExtraCatalog

    public PdfDictionary getExtraCatalog()

  Sets extra keys to the catalog.

  Returns:
    the catalog to change

### setLinearPageMode

    public void setLinearPageMode()

  Use this method to make sure the page tree has a linear structure (every leave is attached directly to the root). Use this method to allow page reordering with method reorderPages.

### reorderPages

    public int reorderPages(int[] order)
                     throws DocumentException

  Use this method to reorder the pages in the document. A `null` argument value only returns the number of pages to process. It is advisable to issue a `Document.newPage()` before using this method.

  Parameters:
    `order` - an array with the new page sequence. It must have the same size as the number of pages.
  Returns:
    the total number of pages
  Throws:
    `DocumentException` - if all the pages are not present in the array

### getPageReference

    public PdfIndirectReference getPageReference(int page)

  Use this method to get a reference to a page existing or not. If the page does not exist yet the reference will be created in advance. If on closing the document, a page number greater than the total number of pages was requested, an exception is thrown.

  Parameters:
    `page` - the page number. The first page is 1
  Returns:
    the reference to the page

### getPageNumber

    public int getPageNumber()

  Gets the pagenumber of this document. This number can be different from the real pagenumber, if you have (re)set the page number previously.

  Returns:
    a page number

### getCurrentPage

    PdfIndirectReference getCurrentPage()

### getCurrentPageNumber

    public int getCurrentPageNumber()

### setTabs

    public void setTabs(PdfName tabs)

  Sets the value for the Tabs entry in the page tree.

  Parameters:
    `tabs` - Can be PdfName.R, PdfName.C or PdfName.S. Since the Adobe Extensions Level 3, it can also be PdfName.A or PdfName.W
  Since:
    2.1.5

### getTabs

    public PdfName getTabs()

  Returns the value to be used for the Tabs entry in the page tree.

  Since:
    2.1.5

### add

    PdfIndirectReference add(PdfPage page,
                             PdfContents contents)
                       throws PdfException

  Adds some `PdfContents` to this Writer.

  The document has to be open before you can begin to add content to the body of the document.

  Parameters:
    `page` - the `PdfPage` to add
    `contents` - the `PdfContents` of the page
  Returns:
    a `PdfIndirectReference`
  Throws:
    `PdfException` - on error

### setPageEvent

    public void setPageEvent(PdfPageEvent event)

  Sets the `PdfPageEvent` for this document.

  Parameters:
    `event` - the `PdfPageEvent` for this document

### getPageEvent

    public PdfPageEvent getPageEvent()

  Gets the `PdfPageEvent` for this document or `null` if none is set.

  Returns:
    the `PdfPageEvent` for this document or `null` if none is set

### open

    public void open()

  Signals that the `Document` has been opened and that `Elements` can be added.

  When this method is called, the PDF-document header is written to the outputstream.

  Specified by:
    `open` in interface `DocListener`
  Overrides:
    `open` in class `DocWriter`
  See Also:
    `DocWriter.open()`

### close

    public void close()

  Signals that the `Document` was closed and that no other `Elements` will be added.

  The pages-tree is built and written to the outputstream. A Catalog is constructed, as well as an Info-object, the reference table is composed and everything is written to the outputstream embedded in a Trailer.

  Specified by:
    `close` in interface `DocListener`
  Overrides:
    `close` in class `DocWriter`
  See Also:
    `DocWriter.close()`

### addSharedObjectsToBody

    protected void addSharedObjectsToBody()
                                   throws IOException

  Throws:
    `IOException`

### getRootOutline

    public PdfOutline getRootOutline()

  Use this method to get the root outline and construct bookmarks.

  Returns:
    the root outline

### setOutlines

    public void setOutlines(List outlines)

  Sets the bookmarks. The list structure is defined in `SimpleBookmark`.

  Parameters:
    `outlines` - the bookmarks or `null` to remove any

### writeOutlines

    protected void writeOutlines(PdfDictionary catalog,
                                 boolean namedAsNames)
                          throws IOException

  Throws:
    `IOException`

### setPdfVersion

    public void setPdfVersion(char version)

  Description copied from interface: `PdfVersion`
  If the PDF Header hasn't been written yet, this changes the version as it will appear in the PDF Header. If the PDF header was already written to the OutputStream, this changes the version as it will appear in the Catalog.

  Specified by:
    `setPdfVersion` in interface `PdfVersion`
  Parameters:
    `version` - a character representing the PDF version
  See Also:
    `PdfVersion.setPdfVersion(char)`

### setAtLeastPdfVersion

    public void setAtLeastPdfVersion(char version)

  Description copied from interface: `PdfVersion`
  If the PDF Header hasn't been written yet, this changes the version as it will appear in the PDF Header, but only if the parameter refers to a higher version. If the PDF header was already written to the OutputStream, this changes the version as it will appear in the Catalog.

  Specified by:
    `setAtLeastPdfVersion` in interface `PdfVersion`
  Parameters:
    `version` - a character representing the PDF version
  See Also:
    `PdfVersion.setAtLeastPdfVersion(char)`

### setPdfVersion

    public void setPdfVersion(PdfName version)

  Description copied from interface: `PdfVersion`
  Sets the PDF version as it will appear in the Catalog. Note that this only has effect if you use a later version than the one that appears in the header; this method ignores the parameter if you try to set a lower version.

  Specified by:
    `setPdfVersion` in interface `PdfVersion`
  Parameters:
    `version` - the PDF name that will be used for the Version key in the catalog
  See Also:
    `PdfVersion.setPdfVersion(com.lowagie.text.pdf.PdfName)`

### addDeveloperExtension

    public void addDeveloperExtension(PdfDeveloperExtension de)

  Description copied from interface: `PdfVersion`
  Adds a developer extension to the Extensions dictionary in the Catalog.

  Specified by:
    `addDeveloperExtension` in interface `PdfVersion`
  Parameters:
    `de` - an object that contains the extensions prefix and dictionary
  Since:
    2.1.6
  See Also:
    `PdfVersion.addDeveloperExtension(com.lowagie.text.pdf.PdfDeveloperExtension)`

### getPdfVersion

    PdfVersionImp getPdfVersion()

  Returns the version information.

### setViewerPreferences

    public void setViewerPreferences(int preferences)

  Description copied from interface: `PdfViewerPreferences`
  Sets the page layout and page mode preferences by ORing one or two of these constants.

  - The page layout to be used when the document is opened (choose one).
    - PAGE_LAYOUT_SINGLE_PAGE - Display one page at a time. (default)
    - PAGE_LAYOUT_ONE_COLUMN - Display the pages in one column.
    - PAGE_LAYOUT_TWO_COLUMN_LEFT - Display the pages in two columns, with oddnumbered pages on the left.
    - PAGE_LAYOUT_TWO_COLUMN_RIGHT - Display the pages in two columns, with oddnumbered pages on the right.
    - PAGE_LAYOUT_TWO_PAGE_LEFT - Display the pages two at a time, with oddnumbered pages on the left.
    - PAGE_LAYOUT_TWO_PAGE_RIGHT - Display the pages two at a time, with oddnumbered pages on the right.
  - The page mode how the document should be displayed when opened (choose one).
    - PAGE_MODE_USE_NONE - Neither document outline nor thumbnail images visible. (default)
    - PAGE_MODE_USE_OUTLINES - Document outline visible.
    - PAGE_MODE_USE_THUMBS - Thumbnail images visible.
    - PAGE_MODE_FULL_SCREEN - Full-screen mode, with no menu bar, window controls, or any other window visible.
    - PAGE_MODE_USE_OC - Optional content group panel visible
    - PAGE_MODE_USE_ATTACHMENTS - Attachments panel visible
  For backward compatibility these values are also supported, but it's better to use method `addViewerPreference(key, value)` if you want to change the following preferences:
  - HIDE_TOOLBAR - A flag specifying whether to hide the viewer application's tool bars when the document is active.
  - HIDE_MENUBAR - A flag specifying whether to hide the viewer application's menu bar when the document is active.
  - HIDE_WINDOW_UI - A flag specifying whether to hide user interface elements in the document's window (such as scroll bars and navigation controls), leaving only the document's contents displayed.
  - FIT_WINDOW - A flag specifying whether to resize the document's window to fit the size of the first displayed page.
  - CENTER_WINDOW - A flag specifying whether to position the document's window in the center of the screen.
  - DISPLAY_DOC_TITLE - A flag specifying whether to display the document's title in the top bar.
  - The predominant reading order for text. This entry has no direct effect on the document's contents or page numbering, but can be used to determine the relative positioning of pages when displayed side by side or printed n-up (choose one).
    - DIRECTION_L2R - Left to right
    - DIRECTION_R2L - Right to left (including vertical writing systems such as Chinese, Japanese, and Korean)
  - The document's page mode, specifying how to display the document on exiting full-screen mode. It is meaningful only if the page mode is PageModeFullScreen (choose one).
    - NON_FULL_SCREEN_PAGE_MODE_USE_NONE - Neither document outline nor thumbnail images visible
    - NON_FULL_SCREEN_PAGE_MODE_USE_OUTLINES - Document outline visible
    - NON_FULL_SCREEN_PAGE_MODE_USE_THUMBS - Thumbnail images visible
    - NON_FULL_SCREEN_PAGE_MODE_USE_OC - Optional content group panel visible
  - PRINT_SCALING_NONE - Indicates that the print dialog should reflect no page scaling.

  Specified by:
    `setViewerPreferences` in interface `PdfViewerPreferences`
  Parameters:
    `preferences` - the viewer preferences
  See Also:
    `PdfViewerPreferences.setViewerPreferences(int)`

### addViewerPreference

    public void addViewerPreference(PdfName key,
                                    PdfObject value)

  Description copied from interface: `PdfViewerPreferences`
  Adds a viewer preference.
  - In case the key is one of these values:
    - PdfName.HIDETOOLBAR
    - PdfName.HIDEMENUBAR
    - PdfName.HIDEWINDOWUI
    - PdfName.FITWINDOW
    - PdfName.CENTERWINDOW
    - PdfName.DISPLAYDOCTITLE
    The value must be a of type PdfBoolean (true or false).
  - In case the key is PdfName.NONFULLSCREENPAGEMODE, the value must be one of these names:
    - PdfName.USENONE
    - PdfName.USEOUTLINES
    - PdfName.USETHUMBS
    - PdfName.USEOC
  - In case the key is PdfName.DIRECTION, the value must be one of these names:
    - PdfName.L2R
    - PdfName.R2L
  - In case the key is one of these values:
    - PdfName.VIEWAREA
    - PdfName.VIEWCLIP
    - PdfName.PRINTAREA
    - PdfName.PRINTCLIP
    The value must be one of these names:
    - PdfName.MEDIABOX
    - PdfName.CROPBOX
    - PdfName.BLEEDBOX
    - PdfName.TRIMBOX
    - PdfName.ARTBOX
  - In case the key is PdfName.PRINTSCALING, the value can be
    - PdfName.APPDEFAULT
    - PdfName.NONE
  - In case the key is PdfName.DUPLEX, the value can be:
    - PdfName.SIMPLEX
    - PdfName.DUPLEXFLIPSHORTEDGE
    - PdfName.DUPLEXFLIPLONGEDGE
  - In case the key is PdfName.PICKTRAYBYPDFSIZE, the value must be of type PdfBoolean.
  - In case the key is PdfName.PRINTPAGERANGE, the value must be of type PdfArray.
  - In case the key is PdfName.NUMCOPIES, the value must be of type PdfNumber.

  Specified by:
    `addViewerPreference` in interface `PdfViewerPreferences`
  Parameters:
    `key` - the name of the viewer preference
    `value` - the value of the viewer preference
  See Also:
    `PdfViewerPreferences.addViewerPreference(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfObject)`

### setPageLabels

    public void setPageLabels(PdfPageLabels pageLabels)

  Use this method to add page labels

  Parameters:
    `pageLabels` - the page labels

### addNamedDestinations

    public void addNamedDestinations(Map map,
                                     int page_offset)

  Adds named destinations in bulk. Valid keys and values of the map can be found in the map that is created by SimpleNamedDestination.

  Parameters:
    `map` - a map with strings as keys for the names, and structured strings as values for the destinations
    `page_offset` - number of pages that has to be added to the page numbers in the destinations (useful if you use this method in combination with PdfCopy).
  Since:
    iText 5.0

### addNamedDestination

    public void addNamedDestination(String name,
                                    int page,
                                    PdfDestination dest)

  Adds one named destination.

  Parameters:
    `name` - the name for the destination
    `page` - the page number where you want to jump to
    `dest` - an explicit destination
  Since:
    iText 5.0

### addJavaScript

    public void addJavaScript(PdfAction js)

  Use this method to add a JavaScript action at the document level. When the document opens, all this JavaScript runs.

  Parameters:
    `js` - The JavaScript action

### addJavaScript

    public void addJavaScript(String code,
                              boolean unicode)

  Use this method to add a JavaScript action at the document level. When the document opens, all this JavaScript runs.

  Parameters:
    `code` - the JavaScript code
    `unicode` - select JavaScript unicode. Note that the internal Acrobat JavaScript engine does not support unicode, so this may or may not work for you

### addJavaScript

    public void addJavaScript(String code)

  Use this method to adds a JavaScript action at the document level. When the document opens, all this JavaScript runs.

  Parameters:
    `code` - the JavaScript code

### addJavaScript

    public void addJavaScript(String name,
                              PdfAction js)

  Use this method to add a JavaScript action at the document level. When the document opens, all this JavaScript runs.

  Parameters:
    `name` - The name of the JS Action in the name tree
    `js` - The JavaScript action

### addJavaScript

    public void addJavaScript(String name,
                              String code,
                              boolean unicode)

  Use this method to add a JavaScript action at the document level. When the document opens, all this JavaScript runs.

  Parameters:
    `name` - The name of the JS Action in the name tree
    `code` - the JavaScript code
    `unicode` - select JavaScript unicode. Note that the internal Acrobat JavaScript engine does not support unicode, so this may or may not work for you

### addJavaScript

    public void addJavaScript(String name,
                              String code)

  Use this method to adds a JavaScript action at the document level. When the document opens, all this JavaScript runs.

  Parameters:
    `name` - The name of the JS Action in the name tree
    `code` - the JavaScript code

### addFileAttachment

    public void addFileAttachment(String description,
                                  byte[] fileStore,
                                  String file,
                                  String fileDisplay)
                           throws IOException

  Use this method to add a file attachment at the document level.

  Parameters:
    `description` - the file description
    `fileStore` - an array with the file. If it's `null` the file will be read from the disk
    `file` - the path to the file. It will only be used if `fileStore` is not `null`
    `fileDisplay` - the actual file name stored in the pdf
  Throws:
    `IOException` - on error

### addFileAttachment

    public void addFileAttachment(String description,
                                  PdfFileSpecification fs)
                           throws IOException

  Use this method to add a file attachment at the document level.

  Parameters:
    `description` - the file description
    `fs` - the file specification
  Throws:
    `IOException`

### addFileAttachment

    public void addFileAttachment(PdfFileSpecification fs)
                           throws IOException

  Use this method to add a file attachment at the document level.

  Parameters:
    `fs` - the file specification
  Throws:
    `IOException`

### setOpenAction

    public void setOpenAction(String name)

  Description copied from interface: `PdfDocumentActions`
  When the document opens it will jump to the destination with this name.

  Specified by:
    `setOpenAction` in interface `PdfDocumentActions`
  Parameters:
    `name` - the name of the destination to jump to
  See Also:
    `PdfDocumentActions.setOpenAction(java.lang.String)`

### setOpenAction

    public void setOpenAction(PdfAction action)

  Description copied from interface: `PdfDocumentActions`
  When the document opens this `action` will be invoked.

  Specified by:
    `setOpenAction` in interface `PdfDocumentActions`
  Parameters:
    `action` - the action to be invoked
  See Also:
    `PdfDocumentActions.setOpenAction(com.lowagie.text.pdf.PdfAction)`

### setAdditionalAction

    public void setAdditionalAction(PdfName actionType,
                                    PdfAction action)
                             throws DocumentException

  Description copied from interface: `PdfDocumentActions`
  Additional-actions defining the actions to be taken in response to various trigger events affecting the document as a whole. The actions types allowed are: `DOCUMENT_CLOSE`, `WILL_SAVE`, `DID_SAVE`, `WILL_PRINT` and `DID_PRINT`.

  Specified by:
    `setAdditionalAction` in interface `PdfDocumentActions`
  Parameters:
    `actionType` - the action type
    `action` - the action to execute in response to the trigger
  Throws:
    `DocumentException` - on invalid action type
  See Also:
    `PdfDocumentActions.setAdditionalAction(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfAction)`

### setCollection

    public void setCollection(PdfCollection collection)

  Use this method to add the Collection dictionary.

  Parameters:
    `collection` - a dictionary of type PdfCollection

### getAcroForm

    public PdfAcroForm getAcroForm()

  Description copied from interface: `PdfAnnotations`
  Use this methods to get the AcroForm object. Use this method only if you know what you're doing

  Specified by:
    `getAcroForm` in interface `PdfAnnotations`
  Returns:
    the PdfAcroform object of the PdfDocument
  See Also:
    `PdfAnnotations.getAcroForm()`

### addAnnotation

    public void addAnnotation(PdfAnnotation annot)

  Description copied from interface: `PdfAnnotations`
  Use this methods to add a `PdfAnnotation` or a `PdfFormField` to the document. Only the top parent of a `PdfFormField` needs to be added.

  Specified by:
    `addAnnotation` in interface `PdfAnnotations`
  Parameters:
    `annot` - the `PdfAnnotation` or the `PdfFormField` to add
  See Also:
    `PdfAnnotations.addAnnotation(com.lowagie.text.pdf.PdfAnnotation)`

### addAnnotation

    void addAnnotation(PdfAnnotation annot,
                       int page)

### addCalculationOrder

    public void addCalculationOrder(PdfFormField annot)

  Description copied from interface: `PdfAnnotations`
  Use this method to adds the `PdfAnnotation` to the calculation order array.

  Specified by:
    `addCalculationOrder` in interface `PdfAnnotations`
  Parameters:
    `annot` - the `PdfAnnotation` to be added
  See Also:
    `PdfAnnotations.addCalculationOrder(com.lowagie.text.pdf.PdfFormField)`

### setSigFlags

    public void setSigFlags(int f)

  Description copied from interface: `PdfAnnotations`
  Use this method to set the signature flags.

  Specified by:
    `setSigFlags` in interface `PdfAnnotations`
  Parameters:
    `f` - the flags. This flags are ORed with current ones
  See Also:
    `PdfAnnotations.setSigFlags(int)`

### setXmpMetadata

    public void setXmpMetadata(byte[] xmpMetadata)

  Use this method to set the XMP Metadata.

  Parameters:
    `xmpMetadata` - The xmpMetadata to set.

### setPageXmpMetadata

    public void setPageXmpMetadata(byte[] xmpMetadata)

  Use this method to set the XMP Metadata for each page.

  Parameters:
    `xmpMetadata` - The xmpMetadata to set.

### createXmpMetadata

    public void createXmpMetadata()

  Use this method to creates XMP Metadata based on the metadata in the PdfDocument.

### createXmpMetadataBytes

    private byte[] createXmpMetadataBytes()

  Returns:
    an XmpMetadata byte array

### setPDFXConformance

    public void setPDFXConformance(int pdfx)

  Description copied from interface: `PdfXConformance`
  Sets the PDF/X conformance level. Allowed values are PDFX1A2001, PDFX32002, PDFA1A and PDFA1B. It must be called before opening the document.

  Specified by:
    `setPDFXConformance` in interface `PdfXConformance`
  Parameters:
    `pdfx` - the conformance level
  See Also:
    `PdfXConformance.setPDFXConformance(int)`

### getPDFXConformance

    public int getPDFXConformance()

  Description copied from interface: `PdfXConformance`
  Getter for the PDF/X Conformance value.

  Specified by:
    `getPDFXConformance` in interface `PdfXConformance`
  Returns:
    the pdfxConformance
  See Also:
    `PdfXConformance.getPDFXConformance()`

### isPdfX

    public boolean isPdfX()

  Description copied from interface: `PdfXConformance`
  Checks if the PDF/X Conformance is necessary.

  Specified by:
    `isPdfX` in interface `PdfXConformance`
  Returns:
    true if the PDF has to be in conformance with any of the PDF/X specifications
  See Also:
    `PdfXConformance.isPdfX()`

### setOutputIntents

    public void setOutputIntents(String outputConditionIdentifier,
                                 String outputCondition,
                                 String registryName,
                                 String info,
                                 ICC_Profile colorProfile)
                          throws IOException

  Sets the values of the output intent dictionary. Null values are allowed to suppress any key.

  Parameters:
    `outputConditionIdentifier` - a value
    `outputCondition` - a value, "PDFA/A" to force GTS_PDFA1, otherwise cued by pdfxConformance.
    `registryName` - a value
    `info` - a value
    `colorProfile` - a value
  Throws:
    `IOException` - on error
  Since:
    2.1.5

### setOutputIntents

    public void setOutputIntents(String outputConditionIdentifier,
                                 String outputCondition,
                                 String registryName,
                                 String info,
                                 byte[] destOutputProfile)
                          throws IOException

  Sets the values of the output intent dictionary. Null values are allowed to suppress any key. Prefer the `ICC_Profile`-based version of this method.

  Parameters:
    `outputConditionIdentifier` - a value
    `outputCondition` - a value, "PDFA/A" to force GTS_PDFA1, otherwise cued by pdfxConformance.
    `registryName` - a value
    `info` - a value
    `destOutputProfile` - a value
  Throws:
    `IOException`
  Since:
    1.x

### setOutputIntents

    public boolean setOutputIntents(PdfReader reader,
                                    boolean checkExistence)
                             throws IOException

  Use this method to copy the output intent dictionary from another document to this one.

  Parameters:
    `reader` - the other document
    `checkExistence` - `true` to just check for the existence of a valid output intent dictionary, `false` to insert the dictionary if it exists
  Returns:
    `true` if the output intent dictionary exists, `false` otherwise
  Throws:
    `IOException` - on error

### getNameString

    private static String getNameString(PdfDictionary dic,
                                        PdfName key)

### getEncryption

    PdfEncryption getEncryption()

### setEncryption

    public void setEncryption(byte[] userPassword,
                              byte[] ownerPassword,
                              int permissions,
                              int encryptionType)
                       throws DocumentException

  Description copied from interface: `PdfEncryptionSettings`
  Sets the encryption options for this document. The userPassword and the ownerPassword can be null or have zero length. In this case the ownerPassword is replaced by a random string. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them.

  Specified by:
    `setEncryption` in interface `PdfEncryptionSettings`
  Parameters:
    `userPassword` - the user password. Can be null or empty
    `ownerPassword` - the owner password. Can be null or empty
    `permissions` - the user permissions
    `encryptionType` - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128. Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
  Throws:
    `DocumentException` - if the document is already open
  See Also:
    `PdfEncryptionSettings.setEncryption(byte[], byte[], int, int)`

### setEncryption

    public void setEncryption(Certificate[] certs,
                              int[] permissions,
                              int encryptionType)
                       throws DocumentException

  Description copied from interface: `PdfEncryptionSettings`
  Sets the certificate encryption options for this document. An array of one or more public certificates must be provided together with an array of the same size for the permissions for each certificate. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them. Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext

  Specified by:
    `setEncryption` in interface `PdfEncryptionSettings`
  Parameters:
    `certs` - the public certificates to be used for the encryption
    `permissions` - the user permissions for each of the certificates
    `encryptionType` - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128.
  Throws:
    `DocumentException` - if the document is already open
  See Also:
    `PdfEncryptionSettings.setEncryption(java.security.cert.Certificate[], int[], int)`

### setEncryption

    public void setEncryption(byte[] userPassword,
                              byte[] ownerPassword,
                              int permissions,
                              boolean strength128Bits)
                       throws DocumentException

  Deprecated. As of iText 2.0.3, replaced by (@link #setEncryption(byte[], byte[], int, int)}. Scheduled for removal at or after 2.2.0

  Sets the encryption options for this document. The userPassword and the ownerPassword can be null or have zero length. In this case the ownerPassword is replaced by a random string. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them.

  Parameters:
    `userPassword` - the user password. Can be null or empty
    `ownerPassword` - the owner password. Can be null or empty
    `permissions` - the user permissions
    `strength128Bits` - `true` for 128 bit key length, `false` for 40 bit key length
  Throws:
    `DocumentException` - if the document is already open

### setEncryption

    public void setEncryption(boolean strength,
                              String userPassword,
                              String ownerPassword,
                              int permissions)
                       throws DocumentException

  Deprecated. As of iText 2.0.3, replaced by (@link #setEncryption(byte[], byte[], int, int)}. Scheduled for removal at or after 2.2.0

  Sets the encryption options for this document. The userPassword and the ownerPassword can be null or have zero length. In this case the ownerPassword is replaced by a random string. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them.

  Parameters:
    `strength` - `true` for 128 bit key length, `false` for 40 bit key length
    `userPassword` - the user password. Can be null or empty
    `ownerPassword` - the owner password. Can be null or empty
    `permissions` - the user permissions
  Throws:
    `DocumentException` - if the document is already open

### setEncryption

    public void setEncryption(int encryptionType,
                              String userPassword,
                              String ownerPassword,
                              int permissions)
                       throws DocumentException

  Deprecated. As of iText 2.0.3, replaced by (@link #setEncryption(byte[], byte[], int, int)}. Scheduled for removal at or after 2.2.0

  Sets the encryption options for this document. The userPassword and the ownerPassword can be null or have zero length. In this case the ownerPassword is replaced by a random string. The open permissions for the document can be AllowPrinting, AllowModifyContents, AllowCopy, AllowModifyAnnotations, AllowFillIn, AllowScreenReaders, AllowAssembly and AllowDegradedPrinting. The permissions can be combined by ORing them.

  Parameters:
    `encryptionType` - the type of encryption. It can be one of STANDARD_ENCRYPTION_40, STANDARD_ENCRYPTION_128 or ENCRYPTION_AES128. Optionally DO_NOT_ENCRYPT_METADATA can be ored to output the metadata in cleartext
    `userPassword` - the user password. Can be null or empty
    `ownerPassword` - the owner password. Can be null or empty
    `permissions` - the user permissions
  Throws:
    `DocumentException` - if the document is already open

### isFullCompression

    public boolean isFullCompression()

  Use this method to find out if 1.5 compression is on.

  Returns:
    the 1.5 compression status

### setFullCompression

    public void setFullCompression()

  Use this method to set the document's compression to the PDF 1.5 mode with object streams and xref streams. It can be set at any time but once set it can't be unset.

  If set before opening the document it will also set the pdf version to 1.5.

### getCompressionLevel

    public int getCompressionLevel()

  Returns the compression level used for streams written by this writer.

  Returns:
    the compression level (0 = best speed, 9 = best compression, -1 is default)
  Since:
    2.1.3

### setCompressionLevel

    public void setCompressionLevel(int compressionLevel)

  Sets the compression level to be used for streams written by this writer.

  Parameters:
    `compressionLevel` - a value between 0 (best speed) and 9 (best compression)
  Since:
    2.1.3

### addSimple

    FontDetails addSimple(BaseFont bf)

  Adds a `BaseFont` to the document but not to the page resources. It is used for templates.

  Parameters:
    `bf` - the `BaseFont` to add
  Returns:
    an `Object[]` where position 0 is a `PdfName` and position 1 is an `PdfIndirectReference`

### eliminateFontSubset

    void eliminateFontSubset(PdfDictionary fonts)

### addDirectTemplateSimple

    PdfName addDirectTemplateSimple(PdfTemplate template,
                                    PdfName forcedName)

  Adds a template to the document but not to the page resources.

  Parameters:
    `template` - the template to add
    `forcedName` - the template name, rather than a generated one. Can be null
  Returns:
    the `PdfName` for this template

### releaseTemplate

    public void releaseTemplate(PdfTemplate tp)
                         throws IOException

  Use this method to releases the memory used by a template. This method writes the template to the output. The template can still be added to any content but changes to the template itself won't have any effect.

  Parameters:
    `tp` - the template to release
  Throws:
    `IOException` - on error

### getImportedPage

    public PdfImportedPage getImportedPage(PdfReader reader,
                                           int pageNumber)

  Use this method to get a page from other PDF document. The page can be used as any other PdfTemplate. Note that calling this method more than once with the same parameters will retrieve the same object.

  Parameters:
    `reader` - the PDF document where the page is
    `pageNumber` - the page number. The first page is 1
  Returns:
    the template representing the imported page

### freeReader

    public void freeReader(PdfReader reader)
                    throws IOException

  Use this method to writes the reader to the document and free the memory used by it. The main use is when concatenating multiple documents to keep the memory usage restricted to the current appending document.

  Parameters:
    `reader` - the `PdfReader` to free
  Throws:
    `IOException` - on error

### getCurrentDocumentSize

    public int getCurrentDocumentSize()

  Use this method to gets the current document size. This size only includes the data already written to the output stream, it does not include templates or fonts. It is useful if used with `freeReader()` when concatenating many documents and an idea of the current size is needed.

  Returns:
    the approximate size without fonts or templates

### getNewObjectNumber

    protected int getNewObjectNumber(PdfReader reader,
                                     int number,
                                     int generation)

### getReaderFile

    RandomAccessFileOrArray getReaderFile(PdfReader reader)

### getColorspaceName

    PdfName getColorspaceName()

### addSimple

    ColorDetails addSimple(PdfSpotColor spc)

  Adds a `SpotColor` to the document but not to the page resources.

  Parameters:
    `spc` - the `SpotColor` to add
  Returns:
    an `Object[]` where position 0 is a `PdfName` and position 1 is an `PdfIndirectReference`

### addSimplePattern

    PdfName addSimplePattern(PdfPatternPainter painter)

### addSimpleShadingPattern

    void addSimpleShadingPattern(PdfShadingPattern shading)

### addSimpleShading

    void addSimpleShading(PdfShading shading)

### addSimpleExtGState

    PdfObject[] addSimpleExtGState(PdfDictionary gstate)

### addSimpleProperty

    PdfObject[] addSimpleProperty(Object prop,
                                  PdfIndirectReference refi)

### propertyExists

    boolean propertyExists(Object prop)

### setTagged

    public void setTagged()

  Mark this document for tagging. It must be called before open.

### isTagged

    public boolean isTagged()

  Check if the document is marked for tagging.

  Returns:
    `true` if the document is marked for tagging

### getStructureTreeRoot

    public PdfStructureTreeRoot getStructureTreeRoot()

  Gets the structure tree root. If the document is not marked for tagging it will return `null`.

  Returns:
    the structure tree root

### getOCProperties

    public PdfOCProperties getOCProperties()

  Use this method to get the Optional Content Properties Dictionary. Each call fills the dictionary with the current layer state. It's advisable to only call this method right before close and do any modifications at that time.

  Returns:
    the Optional Content Properties Dictionary

### addOCGRadioGroup

    public void addOCGRadioGroup(ArrayList group)

  Use this method to set a collection of optional content groups whose states are intended to follow a "radio button" paradigm. That is, the state of at most one optional content group in the array should be ON at a time: if one group is turned ON, all others must be turned OFF.

  Parameters:
    `group` - the radio group

### lockLayer

    public void lockLayer(PdfLayer layer)

  Use this method to lock an optional content group. The state of a locked group cannot be changed through the user interface of a viewer application. Producers can use this entry to prevent the visibility of content that depends on these groups from being changed by users.

  Parameters:
    `layer` - the layer that needs to be added to the array of locked OCGs
  Since:
    2.1.2

### getOCGOrder

    private static void getOCGOrder(PdfArray order,
                                    PdfLayer layer)

### addASEvent

    private void addASEvent(PdfName event,
                            PdfName category)

### fillOCProperties

    protected void fillOCProperties(boolean erase)

  Since:
    2.1.2

### registerLayer

    void registerLayer(PdfOCG layer)

### getPageSize

    public Rectangle getPageSize()

  Use this method to get the size of the media box.

  Returns:
    a Rectangle

### setCropBoxSize

    public void setCropBoxSize(Rectangle crop)

  Use this method to set the crop box. The crop box should not be rotated even if the page is rotated. This change only takes effect in the next page.

  Parameters:
    `crop` - the crop box

### setBoxSize

    public void setBoxSize(String boxName,
                           Rectangle size)

  Use this method to set the page box sizes. Allowed names are: "crop", "trim", "art" and "bleed".

  Parameters:
    `boxName` - the box size
    `size` - the size

### getBoxSize

    public Rectangle getBoxSize(String boxName)

  Use this method to get the size of a trim, art, crop or bleed box, or null if not defined.

  Parameters:
    `boxName` - crop, trim, art or bleed

### setPageEmpty

    public void setPageEmpty(boolean pageEmpty)

  Use this method to make sure a page is added, even if it's empty. If you use setPageEmpty(false), invoking newPage() after a blank page will add a newPage. setPageEmpty(true) won't have any effect.

  Parameters:
    `pageEmpty` - the state

### isPageEmpty

    public boolean isPageEmpty()

  Checks if a newPage() will actually generate a new page.

  Returns:
    true if a new page will be generated, false otherwise
  Since:
    2.1.8

### setPageAction

    public void setPageAction(PdfName actionType,
                              PdfAction action)
                       throws DocumentException

  Description copied from interface: `PdfPageActions`
  Sets the open and close page additional action.

  Specified by:
    `setPageAction` in interface `PdfPageActions`
  Parameters:
    `actionType` - the action type. It can be `PdfWriter.PAGE_OPEN` or `PdfWriter.PAGE_CLOSE`
    `action` - the action to perform
  Throws:
    `DocumentException` - if the action type is invalid
  See Also:
    `PdfPageActions.setPageAction(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfAction)`

### setDuration

    public void setDuration(int seconds)

  Description copied from interface: `PdfPageActions`
  Sets the display duration for the page (for presentations)

  Specified by:
    `setDuration` in interface `PdfPageActions`
  Parameters:
    `seconds` - the number of seconds to display the page
  See Also:
    `PdfPageActions.setDuration(int)`

### setTransition

    public void setTransition(PdfTransition transition)

  Description copied from interface: `PdfPageActions`
  Sets the transition for the page

  Specified by:
    `setTransition` in interface `PdfPageActions`
  Parameters:
    `transition` - the Transition object
  See Also:
    `PdfPageActions.setTransition(com.lowagie.text.pdf.PdfTransition)`

### setThumbnail

    public void setThumbnail(Image image)
                      throws PdfException,
                             DocumentException

  Use this method to set the thumbnail image for the current page.

  Parameters:
    `image` - the image
  Throws:
    `PdfException` - on error
    `DocumentException` - or error

### getGroup

    public PdfDictionary getGroup()

  Use this method to get the group dictionary.

  Returns:
    Value of property group.

### setGroup

    public void setGroup(PdfDictionary group)

  Use this method to set the group dictionary.

  Parameters:
    `group` - New value of property group.

### getSpaceCharRatio

    public float getSpaceCharRatio()

  Use this method to gets the space/character extra spacing ratio for fully justified text.

  Returns:
    the space/character extra spacing ratio

### setSpaceCharRatio

    public void setSpaceCharRatio(float spaceCharRatio)

  Use this method to set the ratio between the extra word spacing and the extra character spacing when the text is fully justified. Extra word spacing will grow `spaceCharRatio` times more than extra character spacing. If the ratio is `PdfWriter.NO_SPACE_CHAR_RATIO` then the extra character spacing will be zero.

  Parameters:
    `spaceCharRatio` - the ratio between the extra word spacing and the extra character spacing

### setRunDirection

    public void setRunDirection(int runDirection)

  Use this method to set the run direction. This is only used as a placeholder as it does not affect anything.

  Specified by:
    `setRunDirection` in interface `PdfRunDirection`
  Parameters:
    `runDirection` - the run direction

### getRunDirection

    public int getRunDirection()

  Use this method to set the run direction.

  Specified by:
    `getRunDirection` in interface `PdfRunDirection`
  Returns:
    the run direction

### getUserunit

    public float getUserunit()

  Use this method to get the user unit. A user unit is a value that defines the default user space unit. The minimum UserUnit is 1 (1 unit = 1/72 inch). The maximum UserUnit is 75,000. Note that this userunit only works starting with PDF1.6!

  Returns:
    Returns the userunit.

### setUserunit

    public void setUserunit(float userunit)
                     throws DocumentException

  Use this method to set the user unit. A UserUnit is a value that defines the default user space unit. The minimum UserUnit is 1 (1 unit = 1/72 inch). The maximum UserUnit is 75,000. Note that this userunit only works starting with PDF1.6!

  Parameters:
    `userunit` - The userunit to set.
  Throws:
    `DocumentException` - on error

### getDefaultColorspace

    public PdfDictionary getDefaultColorspace()

  Use this method to get the default colorspaces.

  Returns:
    the default colorspaces

### setDefaultColorspace

    public void setDefaultColorspace(PdfName key,
                                     PdfObject cs)

  Use this method to sets the default colorspace that will be applied to all the document. The colorspace is only applied if another colorspace with the same name is not present in the content.

  The colorspace is applied immediately when creating templates and at the page end for the main document content.

  Parameters:
    `key` - the name of the colorspace. It can be `PdfName.DEFAULTGRAY`, `PdfName.DEFAULTRGB` or `PdfName.DEFAULTCMYK`
    `cs` - the colorspace. A `null` or `PdfNull` removes any colorspace with the same name

### addSimplePatternColorspace

    ColorDetails addSimplePatternColorspace(Color color)

### isStrictImageSequence

    public boolean isStrictImageSequence()

  Use this method to get the strictImageSequence status.

  Returns:
    value of property strictImageSequence

### setStrictImageSequence

    public void setStrictImageSequence(boolean strictImageSequence)

  Use this method to set the image sequence, so that it follows the text in strict order (or not).

  Parameters:
    `strictImageSequence` - new value of property strictImageSequence

### clearTextWrap

    public void clearTextWrap()
                       throws DocumentException

  Use this method to clear text wrapping around images (if applicable).

  Throws:
    `DocumentException`

### addDirectImageSimple

    public PdfName addDirectImageSimple(Image image)
                                 throws PdfException,
                                        DocumentException

  Use this method to adds an image to the document but not to the page resources. It is used with templates and `Document.add(Image)`. Use this method only if you know what you're doing!

  Parameters:
    `image` - the `Image` to add
  Returns:
    the name of the image added
  Throws:
    `PdfException` - on error
    `DocumentException` - on error

### addDirectImageSimple

    public PdfName addDirectImageSimple(Image image,
                                        PdfIndirectReference fixedRef)
                                 throws PdfException,
                                        DocumentException

  Adds an image to the document but not to the page resources. It is used with templates and `Document.add(Image)`. Use this method only if you know what you're doing!

  Parameters:
    `image` - the `Image` to add
    `fixedRef` - the reference to used. It may be `null`, a `PdfIndirectReference` or a `PRIndirectReference`.
  Returns:
    the name of the image added
  Throws:
    `PdfException` - on error
    `DocumentException` - on error

### add

    PdfIndirectReference add(PdfImage pdfImage,
                             PdfIndirectReference fixedRef)
                       throws PdfException

  Writes a `PdfImage` to the outputstream.

  Parameters:
    `pdfImage` - the image to be added
  Returns:
    a `PdfIndirectReference` to the encapsulated image
  Throws:
    `PdfException` - when a document isn't open yet, or has been closed

### getImageReference

    PdfIndirectReference getImageReference(PdfName name)

  return the `PdfIndirectReference` to the image with a given name.

  Parameters:
    `name` - the name of the image
  Returns:
    a `PdfIndirectReference`

### add

    protected PdfIndirectReference add(PdfICCBased icc)

### getReferenceJBIG2Globals

    protected PdfIndirectReference getReferenceJBIG2Globals(byte[] content)

  Gets an indirect reference to a JBIG2 Globals stream. Adds the stream if it hasn't already been added to the writer.

  Parameters:
    `content` - a byte array that may already been added to the writer inside a stream object.
  Since:
    2.1.5

### fitsPage

    public boolean fitsPage(Table table,
                            float margin)

  Checks if a `Table` fits the current page of the `PdfDocument`.

  Parameters:
    `table` - the table that has to be checked
    `margin` - a certain margin
  Returns:
    `true` if the `Table` fits the page, `false` otherwise.

### fitsPage

    public boolean fitsPage(Table table)

  Checks if a `Table` fits the current page of the `PdfDocument`.

  Parameters:
    `table` - the table that has to be checked
  Returns:
    `true` if the `Table` fits the page, `false` otherwise.

### isUserProperties

    public boolean isUserProperties()

  Gets the flag indicating the presence of structure elements that contain user properties attributes.

  Returns:
    the user properties flag

### setUserProperties

    public void setUserProperties(boolean userProperties)

  Sets the flag indicating the presence of structure elements that contain user properties attributes.

  Parameters:
    `userProperties` - the user properties flag

### isRgbTransparencyBlending

    public boolean isRgbTransparencyBlending()

  Gets the transparency blending colorspace.

  Returns:
    `true` if the transparency blending colorspace is RGB, `false` if it is the default blending colorspace
  Since:
    2.1.0

### setRgbTransparencyBlending

    public void setRgbTransparencyBlending(boolean rgbTransparencyBlending)

  Sets the transparency blending colorspace to RGB. The default blending colorspace is CMYK and will result in faded colors in the screen and in printing. Calling this method will return the RGB colors to what is expected. The RGB blending will be applied to all subsequent pages until other value is set. Note that this is a generic solution that may not work in all cases.

  Parameters:
    `rgbTransparencyBlending` - `true` to set the transparency blending colorspace to RGB, `false` to use the default blending colorspace
  Since:
    2.1.0

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