BuildReadingUnits - PDFiumPas

单元: PDFium

把 TPdfContentFragments 转换为句子级 TPdfReadingUnit 记录，不需要加载 pdfium.dll

Syntax

function BuildReadingUnits(const Fragments: TPdfContentFragments): TPdfReadingUnits;

Parameters

Fragments TPdfContentFragments

Return Value

TPdfReadingUnits

Description

Reading units keep headings and figure alternate text whole, split paragraph text at sentence boundaries, preserve decimal points, and leave the reading cursor as a caller-owned array index

Use Rects with TPdfView.SetReadingHighlight and Language to coordinate visual highlighting with a TTS voice

Remarks

This is a pure helper and does not require an active component instance
API names, type names, and PDF terms keep their original spelling so code search remains reliable

Example

Units := BuildReadingUnits(Pdf1.DocumentReadableContent);

BuildReadingUnits 函数