Class OcgPropertiesCopier

java.lang.Object

com.itextpdf.kernel.pdf.OcgPropertiesCopier

final class OcgPropertiesCopier
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private static final org.slf4j.Logger	LOGGER

Constructor Summary

Constructors

Modifier	Constructor	Description
private	OcgPropertiesCopier()

Method Summary

Modifier and Type	Method	Description
private static void	attemptToAddObjectToArray(Set<PdfIndirectReference> fromOcgsToCopy, PdfObject fromObj, PdfArray toArray, PdfDocument toDocument)
private static void	copyDArrayField(PdfName fieldToCopy, Set<PdfIndirectReference> fromOcgsToCopy, PdfDictionary fromDict, PdfDictionary toDict, PdfDocument toDocument)
private static void	copyDDictionary(Set<PdfIndirectReference> fromOcgsToCopy, PdfDictionary fromDDict, PdfDictionary toOcProperties, PdfDocument toDocument)
private static void	copyDNameField(PdfName fieldToCopy, PdfDictionary fromDict, PdfDictionary toDict)
private static void	copyDStringField(PdfName fieldToCopy, PdfDictionary fromDict, PdfDictionary toDict)
static void	copyOCGProperties(PdfDocument sourceDocument, PdfDocument destinationDocument, Map<PdfPage,PdfPage> sourceToDestPageMapping)	Copy unique page OCGs stored inside annotations/xobjects/resources from source pages to destination pages.
private static void	copyOCGs(Set<PdfIndirectReference> fromOcgsToCopy, PdfDictionary toOcProperties, PdfDocument toDocument)
private static Set<PdfIndirectReference>	getAllUsedNonFlushedOCGs(Map<PdfPage,PdfPage> page2page, PdfDictionary toOcProperties)
(package private) static Set<PdfIndirectReference>	getOCGsFromPage(PdfPage page)	Get all OCGs from a given page annotations/xobjects/resources, including ones already stored in catalog
private static void	getUsedNonFlushedOCGsFromAnnotation(PdfAnnotation toAnnot, PdfAnnotation fromAnnot, Set<PdfIndirectReference> fromUsedOcgs, PdfDictionary toOcProperties)
private static void	getUsedNonFlushedOCGsFromOcDict(PdfObject toObj, PdfObject fromObj, Set<PdfIndirectReference> fromUsedOcgs, PdfDictionary toOcProperties)
private static void	getUsedNonFlushedOCGsFromResources(PdfDictionary toResources, PdfDictionary fromResources, Set<PdfIndirectReference> fromUsedOcgs, PdfDictionary toOcProperties, Set<PdfObject> visitedObjects)
private static void	getUsedNonFlushedOCGsFromXObject(PdfDictionary toXObject, PdfDictionary fromXObject, Set<PdfIndirectReference> fromUsedOcgs, PdfDictionary toOcProperties, Set<PdfObject> visitedObjects)
private static boolean	ocgAlreadyInOCGs(PdfIndirectReference toOcgRef, PdfDictionary toOcProperties)
private static boolean	orderBranchContainsSetElements(PdfObject arrayObj, PdfArray array, int currentIndex, Set<PdfIndirectReference> ocgs, PdfArray toOcgs, PdfDocument toDocument)

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

LOGGER

private static final org.slf4j.Logger LOGGER

Constructor Details

OcgPropertiesCopier

private OcgPropertiesCopier()

Method Details

copyOCGProperties

public static void copyOCGProperties(PdfDocument sourceDocument,
 PdfDocument destinationDocument,
 Map<PdfPage,PdfPage> sourceToDestPageMapping)

Copy unique page OCGs stored inside annotations/xobjects/resources from source pages to destination pages.

Parameters:

sourceDocument - document from which OCGs should be copied

destinationDocument - document to which OCGs should be copied

sourceToDestPageMapping - page mapping, linking source pages to destination ones

getOCGsFromPage

static Set<PdfIndirectReference> getOCGsFromPage(PdfPage page)

Get all OCGs from a given page annotations/xobjects/resources, including ones already stored in catalog

Parameters:

page - where to search for OCGs.

Returns:

set of indirect references pointing to found OCGs.

getAllUsedNonFlushedOCGs

private static Set<PdfIndirectReference> getAllUsedNonFlushedOCGs(Map<PdfPage,PdfPage> page2page,
 PdfDictionary toOcProperties)

getUsedNonFlushedOCGsFromAnnotation

private static void getUsedNonFlushedOCGsFromAnnotation(PdfAnnotation toAnnot,
 PdfAnnotation fromAnnot,
 Set<PdfIndirectReference> fromUsedOcgs,
 PdfDictionary toOcProperties)

getUsedNonFlushedOCGsFromResources

private static void getUsedNonFlushedOCGsFromResources(PdfDictionary toResources,
 PdfDictionary fromResources,
 Set<PdfIndirectReference> fromUsedOcgs,
 PdfDictionary toOcProperties,
 Set<PdfObject> visitedObjects)

getUsedNonFlushedOCGsFromXObject

private static void getUsedNonFlushedOCGsFromXObject(PdfDictionary toXObject,
 PdfDictionary fromXObject,
 Set<PdfIndirectReference> fromUsedOcgs,
 PdfDictionary toOcProperties,
 Set<PdfObject> visitedObjects)

getUsedNonFlushedOCGsFromOcDict

private static void getUsedNonFlushedOCGsFromOcDict(PdfObject toObj,
 PdfObject fromObj,
 Set<PdfIndirectReference> fromUsedOcgs,
 PdfDictionary toOcProperties)

copyOCGs

private static void copyOCGs(Set<PdfIndirectReference> fromOcgsToCopy,
 PdfDictionary toOcProperties,
 PdfDocument toDocument)

ocgAlreadyInOCGs

private static boolean ocgAlreadyInOCGs(PdfIndirectReference toOcgRef,
 PdfDictionary toOcProperties)

copyDDictionary

private static void copyDDictionary(Set<PdfIndirectReference> fromOcgsToCopy,
 PdfDictionary fromDDict,
 PdfDictionary toOcProperties,
 PdfDocument toDocument)

attemptToAddObjectToArray

private static void attemptToAddObjectToArray(Set<PdfIndirectReference> fromOcgsToCopy,
 PdfObject fromObj,
 PdfArray toArray,
 PdfDocument toDocument)

copyDNameField

private static void copyDNameField(PdfName fieldToCopy,
 PdfDictionary fromDict,
 PdfDictionary toDict)

copyDStringField

private static void copyDStringField(PdfName fieldToCopy,
 PdfDictionary fromDict,
 PdfDictionary toDict)

copyDArrayField

private static void copyDArrayField(PdfName fieldToCopy,
 Set<PdfIndirectReference> fromOcgsToCopy,
 PdfDictionary fromDict,
 PdfDictionary toDict,
 PdfDocument toDocument)

orderBranchContainsSetElements

private static boolean orderBranchContainsSetElements(PdfObject arrayObj,
 PdfArray array,
 int currentIndex,
 Set<PdfIndirectReference> ocgs,
 PdfArray toOcgs,
 PdfDocument toDocument)