TPDFlibOCRProviderEvent
Data types, OCR, events
Description
Receives a rendered page and returns provider-neutral OCR JSON
Syntax
type
TPDFlibOCRProviderEvent = Procedure(Sender: TObject; Page: Integer;
DPI: Double; Const Language: WideString; Const ImageData: AnsiString;
Var ResultJSON: WideString; Var Cancel: Boolean) Of Object;Parameters
| Sender | The TPDFlib instance running the operation |
|---|---|
| Page | The one-based page number |
| DPI | The rendered image resolution |
| Language | The language hint supplied to OCRPage or OCRDocument |
| ImageData | The complete PNG page bytes |
| ResultJSON | The versioned OCR result returned by the provider |
| Cancel | Set to true to stop without applying the current result |