com.lowagie.text.pdf

Class PdfCopy

java.lang.Object

com.lowagie.text.DocWriter

com.lowagie.text.pdf.PdfWriter

com.lowagie.text.pdf.PdfCopy

All Implemented Interfaces:

DocListener, ElementListener, PdfAnnotations, PdfDocumentActions, PdfEncryptionSettings, PdfPageActions, PdfRunDirection, PdfVersion, PdfViewerPreferences, PdfXConformance, EventListener

Direct Known Subclasses:

PdfSmartCopy

public class PdfCopy
extends PdfWriter

Make copies of PDF documents. Documents can be edited after reading and before writing them out.

Author:

Mark Thompson

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PdfCopy.PageStamp
protected static class	PdfCopy.RefKey A key to allow us to hash indirect references
static class	PdfCopy.StampContent

Nested classes/interfaces inherited from class com.lowagie.text.pdf.PdfWriter

PdfWriter.PdfBody

Field Summary

Fields

Modifier and Type	Field and Description
protected PdfIndirectReference	acroForm
protected PdfArray	fieldArray
protected HashMap<PdfTemplate,Object>	fieldTemplates
protected HashMap<PdfReader,HashMap<PdfCopy.RefKey,com.lowagie.text.pdf.PdfCopy.IndirectReferences>>	indirectMap
protected HashMap<PdfCopy.RefKey,com.lowagie.text.pdf.PdfCopy.IndirectReferences>	indirects
protected int[]	namePtr
protected PdfReader	reader

Fields inherited from class com.lowagie.text.pdf.PdfWriter

ALLOW_ASSEMBLY, ALLOW_COPY, ALLOW_DEGRADED_PRINTING, ALLOW_FILL_IN, ALLOW_MODIFY_ANNOTATIONS, ALLOW_MODIFY_CONTENTS, ALLOW_PRINTING, ALLOW_SCREENREADERS, AllowAssembly, AllowCopy, AllowDegradedPrinting, AllowFillIn, AllowModifyAnnotations, AllowModifyContents, AllowPrinting, AllowScreenReaders, body, CenterWindow, colorNumber, compressionLevel, crypto, currentPageNumber, currentPdfReaderInstance, defaultColorspace, DID_PRINT, DID_SAVE, directContent, directContentUnder, DirectionL2R, DirectionR2L, DisplayDocTitle, DO_NOT_ENCRYPT_METADATA, DOCUMENT_CLOSE, documentColors, documentExtGState, documentFonts, documentOCG, documentOCGorder, documentPatterns, documentProperties, documentShadingPatterns, documentShadings, documentSpotPatterns, EMBEDDED_FILES_ONLY, ENCRYPTION_AES_128, extraCatalog, FitWindow, fontNumber, formXObjects, formXObjectsCounter, fullCompression, GENERATION_MAX, group, HideMenubar, HideToolbar, HideWindowUI, imageDictionary, importedPages, JBIG2Globals, newBookmarks, NO_SPACE_CHAR_RATIO, NonFullScreenPageModeUseNone, NonFullScreenPageModeUseOC, NonFullScreenPageModeUseOutlines, NonFullScreenPageModeUseThumbs, OCGLocked, OCGRadioGroup, OCProperties, PAGE_CLOSE, PAGE_OPEN, PageLayoutOneColumn, PageLayoutSinglePage, PageLayoutTwoColumnLeft, PageLayoutTwoColumnRight, PageLayoutTwoPageLeft, PageLayoutTwoPageRight, PageModeFullScreen, PageModeUseAttachments, PageModeUseNone, PageModeUseOC, PageModeUseOutlines, PageModeUseThumbs, pageReferences, patternColorspaceCMYK, patternColorspaceGRAY, patternColorspaceRGB, patternNumber, pdf, pdf_version, PDF_VERSION_1_2, PDF_VERSION_1_3, PDF_VERSION_1_4, PDF_VERSION_1_5, PDF_VERSION_1_6, PDF_VERSION_1_7, PDFA1A, PDFA1B, PDFX1A2001, PDFX32002, PDFXNONE, prevxref, PrintScalingNone, root, RUN_DIRECTION_DEFAULT, RUN_DIRECTION_LTR, RUN_DIRECTION_NO_BIDI, RUN_DIRECTION_RTL, runDirection, SIGNATURE_APPEND_ONLY, SIGNATURE_EXISTS, SPACE_CHAR_RATIO_DEFAULT, STANDARD_ENCRYPTION_128, STANDARD_ENCRYPTION_40, STRENGTH128BITS, STRENGTH40BITS, structureTreeRoot, tabs, tagged, userunit, VERSION_1_2, VERSION_1_3, VERSION_1_4, VERSION_1_5, VERSION_1_6, VERSION_1_7, WILL_PRINT, WILL_SAVE, xmpMetadata

Fields inherited from class com.lowagie.text.DocWriter

closeStream, document, EQUALS, FORWARD, GT, LT, NEWLINE, open, os, pageSize, pause, QUOTE, SPACE, TAB

Constructor Summary

Constructors

Constructor and Description
PdfCopy(Document document, OutputStream os) Constructor

Method Summary

Modifier and Type	Method and Description
PdfIndirectReference	add(PdfOutline outline)
void	addAnnotation(PdfAnnotation annot) Use this methods to add a PdfAnnotation or a PdfFormField to the document.
void	addPage(PdfImportedPage iPage) Add an imported page to our output
void	addPage(Rectangle rect, int rotation) Adds a blank page.
void	close() Signals that the Document was closed and that no other Elements will be added.
void	copyAcroForm(PdfReader reader) Copy the acroform for an input document.
protected PdfArray	copyArray(PdfArray in) Translate a PRArray to a PdfArray.
protected PdfDictionary	copyDictionary(PdfDictionary in) Translate a PRDictionary to a PdfDictionary.
protected PdfIndirectReference	copyIndirect(PRIndirectReference in) Translate a PRIndirectReference to a PdfIndirectReference In addition, translates the object numbers, and copies the referenced object to the output file.
protected PdfObject	copyObject(PdfObject in) Translate a PR-object to a Pdf-object
protected PdfStream	copyStream(PRStream in) Translate a PRStream to a PdfStream.
PdfCopy.PageStamp	createPageStamp(PdfImportedPage iPage) Create a page stamp.
void	freeReader(PdfReader reader) Use this method to writes the reader to the document and free the memory used by it.
protected PdfDictionary	getCatalog(PdfIndirectReference rootObj)
PdfImportedPage	getImportedPage(PdfReader reader, int pageNumber) Grabs a page from the input document
boolean	isRotateContents() Getter for property rotateContents.
protected int	setFromIPage(PdfImportedPage iPage) convenience method.
protected void	setFromReader(PdfReader reader) convenience method.
void	setRotateContents(boolean rotateContents) Setter for property rotateContents.

Methods inherited from class com.lowagie.text.pdf.PdfWriter

add, addCalculationOrder, addDeveloperExtension, addDirectImageSimple, addDirectImageSimple, addFileAttachment, addFileAttachment, addFileAttachment, addJavaScript, addJavaScript, addJavaScript, addJavaScript, addJavaScript, addJavaScript, addNamedDestination, addNamedDestinations, addOCGRadioGroup, addSharedObjectsToBody, addToBody, addToBody, addToBody, addToBody, addToBody, addToBody, addViewerPreference, clearTextWrap, createXmpMetadata, fillOCProperties, fitsPage, fitsPage, getAcroForm, getBoxSize, getCompressionLevel, getCurrentDocumentSize, getCurrentPageNumber, getDefaultColorspace, getDirectContent, getDirectContentUnder, getExtraCatalog, getGroup, getInfo, getInstance, getInstance, getNewObjectNumber, getOCProperties, getPageEvent, getPageNumber, getPageReference, getPageSize, getPdfIndirectReference, getPDFXConformance, getReferenceJBIG2Globals, getRootOutline, getRunDirection, getSpaceCharRatio, getStructureTreeRoot, getTabs, getUserunit, getVerticalPosition, isFullCompression, isPageEmpty, isPdfX, isRgbTransparencyBlending, isStrictImageSequence, isTagged, isUserProperties, lockLayer, open, releaseTemplate, reorderPages, setAdditionalAction, setAtLeastPdfVersion, setBoxSize, setCollection, setCompressionLevel, setCropBoxSize, setDefaultColorspace, setDuration, setEncryption, setEncryption, setEncryption, setEncryption, setEncryption, setFullCompression, setGroup, setInitialLeading, setLinearPageMode, setOpenAction, setOpenAction, setOutlines, setOutputIntents, setOutputIntents, setOutputIntents, setPageAction, setPageEmpty, setPageEvent, setPageLabels, setPageXmpMetadata, setPdfVersion, setPdfVersion, setPDFXConformance, setRgbTransparencyBlending, setRunDirection, setSigFlags, setSpaceCharRatio, setStrictImageSequence, setTabs, setTagged, setThumbnail, setTransition, setUserProperties, setUserunit, setViewerPreferences, setXmpMetadata, writeOutlines

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

indirects

protected HashMap<PdfCopy.RefKey,com.lowagie.text.pdf.PdfCopy.IndirectReferences> indirects

indirectMap

protected HashMap<PdfReader,HashMap<PdfCopy.RefKey,com.lowagie.text.pdf.PdfCopy.IndirectReferences>> indirectMap

reader

protected PdfReader reader

acroForm

protected PdfIndirectReference acroForm

namePtr

protected int[] namePtr

fieldArray

protected PdfArray fieldArray

fieldTemplates

protected HashMap<PdfTemplate,Object> fieldTemplates

Constructor Detail

PdfCopy

public PdfCopy(Document document,
               OutputStream os)
        throws DocumentException

Constructor

Parameters:

os - outputstream

document - document

Throws:

DocumentException

Method Detail

isRotateContents

public boolean isRotateContents()

Getter for property rotateContents.

Returns:

Value of property rotateContents.

setRotateContents

public void setRotateContents(boolean rotateContents)

Setter for property rotateContents.

Parameters:

rotateContents - New value of property rotateContents.

getImportedPage

public PdfImportedPage getImportedPage(PdfReader reader,
                                       int pageNumber)

Grabs a page from the input document

Overrides:

getImportedPage in class PdfWriter

Parameters:

reader - the reader of the document

pageNumber - which page to get

Returns:

the page

copyIndirect

protected PdfIndirectReference copyIndirect(PRIndirectReference in)
                                     throws IOException,
                                            BadPdfFormatException

Translate a PRIndirectReference to a PdfIndirectReference In addition, translates the object numbers, and copies the referenced object to the output file. NB: PRIndirectReferences (and PRIndirectObjects) really need to know what file they came from, because each file has its own namespace. The translation we do from their namespace to ours is *at best* heuristic, and guaranteed to fail under some circumstances.

Throws:

IOException

BadPdfFormatException

copyDictionary

protected PdfDictionary copyDictionary(PdfDictionary in)
                                throws IOException,
                                       BadPdfFormatException

Translate a PRDictionary to a PdfDictionary. Also translate all of the objects contained in it.

Throws:

IOException

BadPdfFormatException

copyStream

protected PdfStream copyStream(PRStream in)
                        throws IOException,
                               BadPdfFormatException

Translate a PRStream to a PdfStream. The data part copies itself.

Throws:

IOException

BadPdfFormatException

copyArray

protected PdfArray copyArray(PdfArray in)
                      throws IOException,
                             BadPdfFormatException

Translate a PRArray to a PdfArray. Also translate all of the objects contained in it

Throws:

IOException

BadPdfFormatException

copyObject

protected PdfObject copyObject(PdfObject in)
                        throws IOException,
                               BadPdfFormatException

Translate a PR-object to a Pdf-object

Throws:

IOException

BadPdfFormatException

setFromIPage

protected int setFromIPage(PdfImportedPage iPage)

convenience method. Given an imported page, set our "globals"

setFromReader

protected void setFromReader(PdfReader reader)

convenience method. Given a reader, set our "globals"

addPage

public void addPage(PdfImportedPage iPage)
             throws IOException,
                    BadPdfFormatException

Add an imported page to our output

Parameters:

iPage - an imported page

Throws:

IOException - on error

BadPdfFormatException - on error

addPage

public void addPage(Rectangle rect,
                    int rotation)

Adds a blank page.

Parameters:

rect - The page dimension

rotation - The rotation angle in degrees

Since:

2.1.5

copyAcroForm

public void copyAcroForm(PdfReader reader)
                  throws IOException,
                         BadPdfFormatException

Copy the acroform for an input document. Note that you can only have one, we make no effort to merge them.

Parameters:

reader - The reader of the input file that is being copied

Throws:

IOException - on error

BadPdfFormatException - on error

getCatalog

protected PdfDictionary getCatalog(PdfIndirectReference rootObj)

Overrides:

getCatalog in class PdfWriter

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 PdfWriter

See Also:

DocWriter.close()

add

public PdfIndirectReference add(PdfOutline outline)

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

Overrides:

addAnnotation in class PdfWriter

Parameters:

annot - the PdfAnnotation or the PdfFormField to add

See Also:

PdfAnnotations.addAnnotation(com.lowagie.text.pdf.PdfAnnotation)

freeReader

public void freeReader(PdfReader reader)
                throws IOException

Description copied from class: PdfWriter

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.

Overrides:

freeReader in class PdfWriter

Parameters:

reader - the PdfReader to free

Throws:

IOException - on error

createPageStamp

public PdfCopy.PageStamp createPageStamp(PdfImportedPage iPage)

Create a page stamp. New content and annotations, including new fields, are allowed. The fields added cannot have parents in another pages. This method modifies the PdfReader instance.

The general usage to stamp something in a page is:

 PdfImportedPage page = copy.getImportedPage(reader, 1);
 PdfCopy.PageStamp ps = copy.createPageStamp(page);
 ps.addAnnotation(PdfAnnotation.createText(copy, new Rectangle(50, 180, 70, 200), "Hello", "No Thanks", true, "Comment"));
 PdfContentByte under = ps.getUnderContent();
 under.addImage(img);
 PdfContentByte over = ps.getOverContent();
 over.beginText();
 over.setFontAndSize(bf, 18);
 over.setTextMatrix(30, 30);
 over.showText("total page " + totalPage);
 over.endText();
 ps.alterContents();
 copy.addPage(page);
 

Parameters:

iPage - an imported page

Returns:

the PageStamp