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Create
Destroy
BeginDoc
EndDoc
AddImage
AddPage
EnablePubKeyEncryption
AddPubKeyRecipient AddPubKeyRecipientCertificate / AddPubKeyAgreementRecipient InsertSignatureHexAt / RenewPAdESLTATimestamp 实用方法 字体回退与字形诊断 SetFontFallbackChain / ResolveFontForCodePoint / AnalyzeUnresolvedGlyphs GetVerticalGlyphMetrics / SetVerticalDefaultMetrics
高级工作流辅助函数与运行时标志
高级工作流方法 PDF MAC：AddStandalonePDFMAC 添加独立认证码，SignPDFWithPFXAndAttachedPDFMAC 创建签名附加的认证修订，ValidatePDFMAC 验证当前修订，ValidatePDFMACChain 验证每个增量修订并报告具体失败 RSA-PSS 签名 / PDF Portfolio 集合 / 阅读顺序诊断 SetPageLabel SetDecimalPageLabel SetUpperRomanPageLabel SetLowerRomanPageLabel SetUpperLettersPageLabel SetLowerLettersPageLabel ClearPageLabels SetDocumentCloseAction ClearDocumentCloseAction SetDocumentWillSaveAction ClearDocumentWillSaveAction SetDocumentDidSaveAction ClearDocumentDidSaveAction SetDocumentWillPrintAction ClearDocumentWillPrintAction SetDocumentDidPrintAction ClearDocumentDidPrintAction SetPageAdditionalAction SetPageOpenAction SetPageCloseAction ClearPageAdditionalAction ClearPageOpenAction ClearPageCloseAction RegisterArticleThread
文本塑形与字体输出 API: ShapingFeatures, SimpleLatinFonts, GSUB script/language, GSUB lookup, GPOS, Indic shaping, Tibetan/Mongolian/Syriac shaping, script shaping preprocess, subset and ToUnicode mapping
BeginIncrementalUpdate
MarkDirty
AddLoadedSignedSignatureField
SaveIncrementalUpdate
SaveIncrementalUpdateAuthenticated GetIncrementalUpdateSourceInfo GetLastIncrementalXRefRebuildInfo DecryptLoadedDocument
SanitiseLoadedDocument ApplyLoadedRedactions FlattenLoadedPageTransparency FlattenLoadedPageComplexGraphics ScrubLoadedRedactionRemnants AddEDIFACTSupplementaryFile GetLoadedFacturXAttachments GetLoadedInvoiceSummary GetLoadedPDFAIssues ValidateVisualXmlConsistency AddUBLSupplementaryFile ExtractLoadedPageGlyphs ExtractLoadedPageCharacters AnalyzeLoadedPageSemanticText ExtractLoadedPageSemanticText ExportLoadedPagesStructured ExtractLoadedTypedTables ExportLoadedTypedTables GetImportedResourceDedupStatistics and ClearImportedResourceDedupCache ExtractLoadedPageText GetLoadedFontDecoder GetLoadedFontDecoderCacheInfo ResetLoadedFontDecoderCacheStatistics GetLastJPEGReducedDecodeInfo GetImageDecodeConcurrencyInfo AcquireLoadedImageStream AcquireLoadedImageRegionAtResolution DecodeLoadedImageStreamCached DecodeLoadedImageRegionAtResolutionCached GetLoadedPageContentBytes OpenLoadedPageContentStream GetLastPageContentSequenceInfo RenderLoadedPageToBitmap ReplaceLoadedDocumentText ReplaceLoadedPageText SearchLoadedDocumentText SearchLoadedPageText WriteRebuiltStream ExportLoadedFormToXFDF ImportLoadedFormFromXFDF ExportLoadedAnnotationsToXFDF ImportLoadedAnnotationsFromXFDF Direct File API：DAOpenFileReadOnly、DACloseFile、DACopyFile、DASaveAsFile、DAGetPageCount、DAGetObjectCount、DAGetObjectSource、DAReplaceObjectSource、DAAppendObjectSource、DASetDocumentInfo、DATryBuildTraditionalFileState、DAParseXRefStreamSection、DAReadCompressedObjectBody 需要 file-backed 打开、页数加原始副本工作流、对象源检查或替换、文档信息更新，以及不把每个流载入常规对象图就完整重写输出的大型现有 PDF，请使用 Direct File API
低层 Direct File 辅助函数 DATryBuildTraditionalFileState、DAParseXRefStreamSection 和 DAReadCompressedObjectBody 面向流式工作流：需要构建 THPDFDirectFileState、解析 xref stream section，或在调用更高层 DA* 动作前从对象流读取对象体时使用
ApplyStrictParserBudgetPolicy ResetParserBudgetPolicy GetLastParserBudgetStatistics
Preflight 报告方法
ExtractLoadedPageTextLayout
FindLoadedOutlineByTitle
FindLoadedSignatureFieldDict
GetLoadedOutlineTitlesDeep
GetLoadedSignatureFieldName
GetLoadedSignatureInfo
InvalidateRenderedPageCache
ReadLoadedSignatureDict
RenderLoadedPageToBitmapCached GetLastOperationTelemetry GetLastRenderFallbackDiagnostics ClearLastRenderFallbackDiagnostics RenderColourIntent RenderFallbackPolicy RenderFallbackDiagnosticLimit LastRenderFallbackDroppedCount
ResolveLoadedOutlineDestPage
SaveAllLoadedEmbeddedFiles
SaveLoadedPageToPng SaveLoadedPageToPngStream SaveLoadedPagesToTiff
SaveLoadedPagesToTiffBanded SaveLoadedPagesToTiffStream SaveLoadedPagesToTiffStreamBanded
VerifyAllLoadedSignatures
VerifyLoadedSignature
VerifyLoadedSignatureEx
VerifyLoadedSignatureWithTrust
GetLoadedSignaturePermissions
AnalyzeLoadedSignatureRevisions
Page operation methods
FindLoadedBookmarkPageIndex
GetLoadedPageBox
Loaded form field methods
SetFormFieldTooltip
SetFormFieldAdditionalAction ClearFormFieldAdditionalAction SetFormFieldKeyStrokeAction ClearFormFieldKeyStrokeAction SetFormFieldFormatAction ClearFormFieldFormatAction SetFormFieldValidateAction ClearFormFieldValidateAction SetFormFieldCalculateAction ClearFormFieldCalculateAction SetFormFieldAnnotationAction ClearFormFieldAnnotationAction SetFormFieldMouseEnterAction ClearFormFieldMouseEnterAction SetFormFieldMouseExitAction ClearFormFieldMouseExitAction SetFormFieldMouseDownAction ClearFormFieldMouseDownAction SetFormFieldMouseUpAction ClearFormFieldMouseUpAction SetFormFieldSetFocusAction ClearFormFieldSetFocusAction SetFormFieldLostFocusAction ClearFormFieldLostFocusAction
RegisterFormXObject
RegisterLineGraphicsState
RegisterOptionalContentRadioGroup
BeginOptionalContentOrderGroup
EndOptionalContentOrderGroup
AddLayerToOptionalContentOrder
SetOptionalContentGroupUsage
HPDFEscapeLoadedText
MakeLoadedContentsArray
EnsureUncompressedLoadedStream
HPDFEllipseToOps
ExtractLoadedPageTextColumns
SearchLoadedPageTextWholeWord
GetLoadedSearchHitRect
EnumLoadedPageElements
SearchAndRedactReplaceLoaded
GetLoadedPageTextInRegion
SearchLoadedFirst
SaveLoadedPagesAsImages
GetLoadedPageMetafile
RenderLoadedPageToDC
RenderLoadedPageToClipboard
PrintLoadedDocument
EnumerateSystemCertificates
GetLoadedTrapped
GetLoadedDocumentMetadataXML
GetLoadedCollectionInfo
GetLoadedCollectionSchemaFieldCount GetLoadedCollectionSchemaFieldInfo GetLoadedCollectionItemMetadata GetLoadedOutlineChild
RotateLoadedPages
SetLoadedPageBoxForRange
TwipsToPoints
PointsToTwips
PixelsToPoints
PointsToPixels
ToPDFUnit
FromPDFUnit
AddLoadedOutline
SetLoadedOutlineDestination
SetLoadedOutlineURI
ResolveLoadedNamedDestination
AddLoadedNamedDestination
GetLoadedBookmarkPageIndex
GetLoadedPageCount
DuplicateLoadedPage
AddLoadedBlankPage
SetLoadedPageRotationValue
GetLoadedPageBoxRect
GetLoadedPageVisibleBox
GetLoadedEncryptionMethod
GetLoadedFileStructureInfo GetLoadedXRefRecoveryInfo
SetLoadedPDFVersion
GetLoadedPageLabel
EnsureLoadedFieldAppearanceStream RecalculateLoadedFormFields EvaluateLoadedFieldJavaScript FlattenLoadedFormFields GetLoadedAnnotationAppearanceStream Loaded RichMedia asset methods GetLoadedRichMediaAssetCount GetLoadedRichMediaAssetInfo ExtractLoadedRichMediaAsset SanitiseLoadedRichMediaAnnotations
ApplyLoadedFieldValidation
ApplyLoadedFieldCalculation
AddLoadedRubberStampAnnotation
SetLoadedAnnotationCloudyBorder
SetLoadedLineAnnotationCaps
AttachLoadedAnnotationMeasure
StitchLoadedPageSideBySideEx
StampLoadedPageText
StampLoadedPageShape
StampLoadedPagesText
StampLoadedPagesComposite
StampLoadedPageImage
InsertLoadedText
GetLoadedPageContentLength
StampLoadedPageImageFromFile
GetLoadedPageRotationValue
CompressLoadedDocument
ExtractLoadedImageToStream OpenLoadedStreamSourceSlice GetLoadedStreamFilterStatistics OptimizeLoadedStreams CompressFlateHighRatio Advanced text, document layout, streaming, pagination diagnostics, paragraph direction, and PDF/UA helpers ConfigureParagraphPagination ConfigureParagraphDirection ConfigureParagraphTextLayout DetectParagraphDirection GetLayoutDiagnostics BeginTaggedParagraph BeginPaginationArtifact GrowXRefIfNeeded
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