This means that the only way only way to identify the characters would be to OCR the document. However we sometimes see documents from which this entry has been removed. The fonts include a ToUnicode map to allow the glyph IDs to be converted to characters. Identity encoded fonts are referenced by glyph rather than by character code. The most common cause of text extraction problems are corrupt Identity encoded fonts.
ADOBE DISTILLER 11 PDF
However all this assumes that the PDF is valid - that it conforms to the PDF spec - that it is not corrupt. It infers spaces, de-hyphenates, clips to an area of interest and many other things that are required to ensure that the text you get is the same as the text you see. To be said that I can open such pdf files using my browser easily like other pdfs.ĪBCpdf can extract text from all PDFs that contain valid text.
ADOBE DISTILLER 11 CODE
I'm currently using ABCPdf tool and I have a code sample to read pdf contents but it can only read the texts from pdfs which have been created by Adobe PDF Library: public string ExtractTextsFromAllPages(string pdfFileName)įor (var currentPageNumber = 1 currentPageNumber <= doc.PageCount currentPageNumber++) How to read the texts from a pdf file created by Adobe Distiller tool?
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