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page_needs_ocr

pdf_engine::ocr_need

Function page_needs_ocr 

Source 
pub fn page_needs_ocr(doc: &PdfDocument, page: usize) -> OcrNeed
Expand description

How much OCR page page (0-based) of doc needs.

A page index that does not exist, a page with no area, and a page the interpreter cannot walk all report OcrNeed::None: there is nothing here OCR could read, or nothing this survey could see.