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Overview ​

ComPDF Conversion SDK supports converting PDF documents to OFD documents. Similar to Searchable PDF, OFD conversion also supports OCR, page background preservation, and transparent text layers.

Notice ​

  • If you need to generate searchable OFD output, enable transparent_text.
  • When enable_ocr is enabled, specify the OCR language through languages.

Sample ​

c
CPDF_SetDocumentAIModel(CPDF_TEXT("path/documentai.model"), -1);

COCRLanguage languages[] = {e_CENGLISH};

CConvertOption option = CPDF_DefaultConvertOption();
option.enable_ocr = true;
option.languages = languages;
option.language_count = 1;
option.contain_page_background_image = true;
option.transparent_text = true;

CPDF_StartPDFToOfd(CPDF_TEXT("scan.pdf"), CPDF_TEXT("password"), CPDF_TEXT("path/output.ofd"), option, NULL);