THotPDF Advanced Published Properties

Esta página reúne propriedades publicadas mais recentes ou específicas de fluxos de trabalho de THotPDF que não têm uma página de tópico separada. Fazem parte da superfície do componente e podem ser atribuídas a partir de Delphi, C++Builder ou do Object Inspector quando aplicável

Encryption and Version Control

Property	Type	Default	Descrição
`UseAES256R6`	`Boolean`	`false`	Selects the PDF 2.0 R=6 AES-256 security-handler algorithm when CryptKeyLength is `aes256`. Leave it off for the broader Acrobat 9+ R=5 compatibility path; turn it on for workflows that require the R=6 algorithm
`StrictVersionLock`	`Boolean`	`false`	Controls feature version gating. With the default value, HotPDF can raise Version automatically when a feature needs a newer PDF version. When set to `true`, feature methods that would require a newer PDF version refuse to emit instead of promoting the file

Metadata, Tagged PDF, and Standards

Property	Type	Default	Descrição
`EnableXMPMetadata`	`Boolean`	`false`	Writes a PDF 1.4+ XMP `/Metadata` stream during EndDoc. The generated packet is built from the document information fields unless `CustomXMP` supplies a caller-authored packet
`CustomXMP`	`AnsiString`	empty	Provides a verbatim XMP packet for the Catalog metadata stream. Use it only when `EnableXMPMetadata` is enabled or when a conformance property enables XMP output automatically
`Lang`	`AnsiString`	empty	Sets the Catalog `/Lang` natural-language tag, such as `en-US`, `de`, or `zh-CN`. It is also used by PDF/UA and tagged-PDF workflows
`EnableTaggedPDF`	`Boolean`	`false`	Enables the tagged-PDF wrapper entries, including `/MarkInfo` and `/StructTreeRoot`. Actual semantic content still comes from structure-element and marked-content calls such as AddStructureElement and page marked-content helpers
`PDFUACompliance`	`Boolean`	`false`	Turns on HotPDF's high-level PDF/UA-1 producer-side defaults, including tagged PDF, XMP metadata, a document language default, and display-title viewer preference handling
`PDFACompliance`	`AnsiString`	empty	Selects PDF/A conformance handling. Supported values include `A`, `B`, `2A`, `2B`, `2U`, `3A`, `3B`, and `3U`. Empty disables PDF/A enforcement
`PDFXCompliance`	`AnsiString`	empty	Selects PDF/X prepress handling. Supported values are `X-1a`, `X-3`, and `X-4`. The property enables matching metadata, version requirements, encryption restrictions, and `Trapped` validation
`Trapped`	`AnsiString`	empty	Writes the PDF/X DocInfo trapped state. Use `True`, `False`, or `Unknown` when `PDFXCompliance` is enabled

Compression and Copy Handling

Property	Type	Default	Descrição
`CompressionLevel`	`TPDFCompressionLevel`	`clDefault`	Selects the zlib-backed Flate compression level used by enhanced compression paths. Valid values are `clNone`, `clFastest`, `clDefault`, and `clMaximum`
`EnableStructuredContent`	`Boolean`	`true`	Controls whether the version-manager enhanced mode keeps structured-content support enabled for the current PDF version. Older document modes can turn it off automatically
`EnableTransparency`	`Boolean`	`true`	Controls whether transparency-capable output paths stay enabled for the current document mode and PDF version
`EnableOptionalContent`	`Boolean`	`false`	Controls optional-content support for PDF 1.5+ workflows. Version switching can update it through the document feature manager
`DecompressForCopy`	`Boolean`	`true`	When copying from loaded documents, allows HotPDF to decompress source object streams as needed so page-copy and extraction operations can materialize reusable objects
`OriginallyCompressed`	`Boolean`	`false`	Read-only flag set by the loader when source content was originally compressed and had to be decompressed for copy or analysis

Document Information

Property	Type	Default	Descrição
`Information`	`Boolean`	`true`	Controls whether HotPDF writes the document information dictionary during save. Page extraction and split workflows turn it off on generated output documents when they need a content-only copy

PDF/A Default Color Spaces

RegisterDefaultColorSpace - Maps DefaultGray, DefaultRGB, or DefaultCMYK to an ICCBased color space registered by RegisterICCProfile, so Device color use can be made explicit before PDF/A color checks

UsedDeviceGray, UsedDeviceRGB, UsedDeviceCMYK - flags só de leitura que indicam se foi usado conteúdo DeviceGray, DeviceRGB ou DeviceCMYK durante a construção do documento

Text shaping and compact font output

ShapingFeatures documenta os flags de shaping GSUB/GPOS atuais, incluindo flags de funcionalidades tipográficas, flags de estilo de algarismos, flags de preprocessamento de scripts complexos, sfKerning, sfMarkPositioning, sfTibetanShaping, sfMongolianShaping e sfIndicGSUB

SimpleLatinFonts documents the compact Base14 / WinAnsi path for printable ASCII text

script shaping preprocess methods cobre AutoShapeNko, AutoShapeAdlam, AutoShapeHanifiRohingya e os flags de preprocessamento Thai/Lao, Hebrew, Javanese, Tai Viet, Meetei Mayek, Khmer e Myanmar; a página GPOS cobre agora kerning contextual e vertical, além de colocação mark-to-ligature

Runtime State

AutoShapeArabic ativa o shaping árabe do lado do produtor antes da saída de texto. IsHaveSimpleText e IsEncrypted expõem o estado de texto simples e de encriptação do documento atual ou carregado

Prepress and Graphics-State Helpers

RegisterSoftMaskState, RegisterTransferFunctionState, RegisterHalftoneType1, RegisterHalftoneState, and RegisterPrintControlState register specialised ExtGState or halftone resources for transparency, transfer-function, screening, overprint, stroke-adjustment, rendering-intent, and flatness workflows

OutputIntent Helpers

AddPDFAOutputIntent e AddPDFXOutputIntent encapsulam o registo de perfis ICC mais a criação de Catalog /OutputIntents para produção PDF/A e PDF/X. Use-os antes de EndDoc sempre que a propriedade de conformidade correspondente estiver ativa

Type 3 Font Glyphs

RegisterType3Font cria um recurso de fonte Type 3 definido pelo chamador e AddType3Glyph adiciona os fluxos de conteúdo de glifos individuais. Selecione o recurso numa página com THPDFPage.SetType3Font antes de escrever texto

PDF/A Convenience and Associated Files

PDFAConformanceLevel, IsPDFA1Strict e IsPDFA2OrLater expõem a parte PDF/A ativa e o ramo de conformidade para a lógica do chamador. EnsurePDFAImplementationLimits verifica os limites de implementação PDF/A-2 e PDF/A-3 para strings de metadados, /Lang e page boxes antes de EndDoc. AddPDFA3AssociatedFile anexa ficheiros associados PDF/A-3 Annex E com /AFRelationship, enquanto AddXAdESAssociatedFile incorpora XML XAdES gerado pelo chamador como ficheiro associado para fluxos de trabalho XAdES-in-PDF