Package com.lowagie.text.pdf
Class PdfSmartCopy
- java.lang.Object
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- com.lowagie.text.DocWriter
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- com.lowagie.text.pdf.PdfWriter
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- com.lowagie.text.pdf.PdfCopy
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- com.lowagie.text.pdf.PdfSmartCopy
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- All Implemented Interfaces:
DocListener
,ElementListener
,PdfAnnotations
,PdfDocumentActions
,PdfEncryptionSettings
,PdfPageActions
,PdfRunDirection
,PdfVersion
,PdfViewerPreferences
,PdfXConformance
,java.lang.AutoCloseable
,java.util.EventListener
- Direct Known Subclasses:
UnembedFontPdfSmartCopy
public class PdfSmartCopy extends PdfCopy
PdfSmartCopy has the same functionality as PdfCopy, but when resources (such as fonts, images,...) are encountered, a reference to these resources is saved in a cache, so that they can be reused. This requires more memory, but reduces the file size of the resulting PDF document.
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Nested Class Summary
Nested Classes Modifier and Type Class Description (package private) static class
PdfSmartCopy.ByteStore
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Nested classes/interfaces inherited from class com.lowagie.text.pdf.PdfCopy
PdfCopy.IndirectReferences, PdfCopy.PageStamp, PdfCopy.RefKey, PdfCopy.StampContent
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Nested classes/interfaces inherited from class com.lowagie.text.pdf.PdfWriter
PdfWriter.PdfBody, PdfWriter.PdfTrailer
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Field Summary
Fields Modifier and Type Field Description private java.util.Map<PdfSmartCopy.ByteStore,PdfIndirectReference>
streamMap
the cache with the streams and references.-
Fields inherited from class com.lowagie.text.pdf.PdfCopy
acroForm, fieldArray, fieldTemplates, indirectMap, indirects, namePtr, reader
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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, 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, ENCRYPTION_AES_256_V3, ENCRYPTION_MASK, ENCRYPTION_NONE, 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, 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
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Constructor Summary
Constructors Constructor Description PdfSmartCopy(Document document, java.io.OutputStream os)
Creates a PdfSmartCopy instance.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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 if it wasn't available in the cache yet.-
Methods inherited from class com.lowagie.text.pdf.PdfCopy
add, add, addAnnotation, addPage, addPage, close, copyAcroForm, copyArray, copyDictionary, copyObject, copyStream, createPageStamp, freeReader, getCatalog, getImportedPage, isRotateContents, setFromIPage, setFromReader, setRotateContents
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Methods inherited from class com.lowagie.text.pdf.PdfWriter
add, add, addAnnotation, addCalculationOrder, addDeveloperExtension, addDirectImageSimple, addDirectImageSimple, addDirectTemplateSimple, addFileAttachment, addFileAttachment, addFileAttachment, addJavaScript, addJavaScript, addJavaScript, addJavaScript, addJavaScript, addJavaScript, addLocalDestinations, addNamedDestination, addNamedDestinations, addOCGRadioGroup, addSharedObjectsToBody, addSimple, addSimple, addSimpleExtGState, addSimplePattern, addSimplePatternColorspace, addSimpleProperty, addSimpleShading, addSimpleShadingPattern, addToBody, addToBody, addToBody, addToBody, addToBody, addToBody, addViewerPreference, clearTextWrap, createXmpMetadata, eliminateFontSubset, fillOCProperties, fitsPage, fitsPage, getAcroForm, getBoxSize, getColorspaceName, getCompressionLevel, getCurrentDocumentSize, getCurrentPage, getCurrentPageNumber, getDefaultColorspace, getDirectContent, getDirectContentUnder, getEncryption, getExtraCatalog, getGroup, getImageReference, getIndirectReferenceNumber, getInfo, getInstance, getInstance, getNewObjectNumber, getOCProperties, getOs, getPageEvent, getPageNumber, getPageReference, getPageSize, getPdfDocument, getPdfIndirectReference, getPdfVersion, getPDFXConformance, getReaderFile, getReferenceJBIG2Globals, getRootOutline, getRunDirection, getSpaceCharRatio, getStructureTreeRoot, getTabs, getUserunit, getVerticalPosition, isFullCompression, isPageEmpty, isPdfA1, isPdfX, isRgbTransparencyBlending, isStrictImageSequence, isTagged, isUserProperties, lockLayer, open, propertyExists, registerLayer, releaseTemplate, reorderPages, resetContent, setAdditionalAction, setAtLeastPdfVersion, setBoxSize, setCollection, setCompressionLevel, setCropBoxSize, setDefaultColorspace, setDuration, 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
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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
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Field Detail
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streamMap
private java.util.Map<PdfSmartCopy.ByteStore,PdfIndirectReference> streamMap
the cache with the streams and references.
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Constructor Detail
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PdfSmartCopy
public PdfSmartCopy(Document document, java.io.OutputStream os) throws DocumentException
Creates a PdfSmartCopy instance.- Parameters:
os
- the OutputStreamdocument
- the document- Throws:
DocumentException
- on error
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Method Detail
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copyIndirect
protected PdfIndirectReference copyIndirect(PRIndirectReference in) throws java.io.IOException, BadPdfFormatException
Translate a PRIndirectReference to a PdfIndirectReference In addition, translates the object numbers, and copies the referenced object to the output file if it wasn't available in the cache yet. If it's in the cache, the reference to the already used stream is returned.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.
- Overrides:
copyIndirect
in classPdfCopy
- Parameters:
in
- the PRIndirectReference to translate- Returns:
- the translated PRIndirectReference
- Throws:
java.io.IOException
- on errorBadPdfFormatException
- on error with the Pdf format
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