SpokenToPageChar - PDFiumPas

Unit: PDFium

Translates a character offset in spoken text back to a source page and FTextPage character index

Syntax

function SpokenToPageChar(const Spoken: TPdfSpokenText; SpokenOffset: Integer; out Page, CharIndex: Integer): Boolean;

Parameters

Spoken	`TPdfSpokenText` - Spoken text and span mapping
SpokenOffset	`Integer` - Zero-based character offset in Spoken.Text
Page	`Integer` - Receives the one-based source page number
CharIndex	`Integer` - Receives the zero-based FTextPage character index

Return Value

True when the offset maps to a source range, otherwise False

Description

The function scans the span table and returns the page and source character index owned by the first span that covers the spoken offset

Offsets that land on an unmapped separator before a mapped run clamp to that run's first source character; spoken runs longer than the source range clamp to the last source character

Remarks

Nazivi API-ja, nazivi tipova, nazivi datoteka i PDF pojmovi zadržavaju svoj izvorni pravopis kako bi pretraživanje koda ostalo pouzdano
Use this with speech engines that report a word or input position in the text passed to them

Example

if SpokenToPageChar(Spoken, SpokenOffset, PageNumber, CharIndex) then
PdfView1.TrackReadingWordAt(PageNumber, CharIndex);

SpokenToPageChar function