PdfDocumentParser class

Parser concreto para leitura de PDF existente.

Foco: robustez com PDFs do mundo real, incluindo arquivos com problemas estruturais comuns (ex.: saídas antigas do iText).

Inheritance

Constructors

PdfDocumentParser(Uint8List bytes, {bool enableCache = true, int cacheBlockSize = 256 * 1024, int cacheMaxBlocks = 32, bool allowRepair = false})
PdfDocumentParser.fromReader(PdfRandomAccessReader reader, {bool enableCache = true, int cacheBlockSize = 256 * 1024, int cacheMaxBlocks = 32, bool allowRepair = false})

Properties

bytes → Uint8List
The existing PDF document content.
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
reader → PdfRandomAccessReader
Random access reader.
finalinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
size → int
The objects size of the existing PDF document.
no setteroverride
version → PdfVersion
The PDF version of the parsed document.
no setteroverride
xrefOffset → int
The offset of the previous cross reference table.
no setteroverride

Methods

asIntArray(dynamic value) → List<int>?
extractImages({int? fromPage, int? toPage, bool includeUnusedXObjects = false}) → List<PdfImageInfo>
Extrai imagens do PDF com suporte a faixa de páginas.
extractInfo({int? maxPages}) → PdfDocumentInfo
extractSignatureFieldEditContext() → PdfSignatureFieldEditContext
Extrai informações completas para edição de campos de assinatura.
override
extractSignatureFields() → List<PdfSignatureFieldInfo>
Extrai informações de campos de assinatura (/FT /Sig).
mergeDocument(PdfDocument pdfDocument) → void
Imports the existing objects into the new PDF document.
override
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
readStreamData(PdfIndirectRef ref) → Uint8List?
Lê os bytes brutos do stream de um objeto indireto. Útil para extração de imagens (retorna o stream sem decodificar filtros).
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited