PDFium Component Docs

Metoda SetReadingHighlight

Component: TPdfView  ·  Unit: PDFium
Upravlja slojem isticanja čitanja u TPdfView koji se koristi za sinkroniziranu reprodukciju pretvaranja teksta u govor

Syntax

procedure SetReadingHighlight(const Rects: TPdfRectangles; PageNumber: Integer);

Parameters

RectsTPdfRectangles. Page-coordinate rectangles to paint
PageNumberInteger. One-based page that owns the rectangles

Return Value

Reading highlight rectangles are supplied in page coordinates and painted over the requested page. This is intended for the current paragraph, heading, table cell, or line being spoken

Clear the highlight when playback stops or when the application moves to another fragment. ReadingHighlightColor controls the overlay colour

Description

Remarks

if Length(Content.Fragments) > 0 then
  PdfView1.SetReadingHighlight(Content.Fragments[0].LineRects, Content.Page);

Example

SetReadingHighlight, ClearReadingHighlight, ReadingHighlightColor, ReadableContent