Difference between revisions of "Xpdf"
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Revision as of 17:42, 12 November 2013
Description
Xpdf is an open source PDF viewer that includes command-line information extractor and font analyzer utilities. The following utilities are particularly relevant to digital preservation:
- pdfinfo: prints the contents of the ‘Info’ dictionary (plus some other useful information) from a Portable Document Format (PDF) file. In addition, the following information is printed:
tagged (yes/no) ===
form (AcroForm / XFA / none) ===
page count ===
encrypted flag (yes/no) ===
print and copy permissions (if encrypted) ===
page size ===
file size ===
linearized (yes/no) ===
PDF version ===
metadata (only if requested)
- pdffonts: lists the fonts used in a Portable Document Format (PDF) file along with various information for each font
The following information is listed for each font:
name the font name, exactly as given in the PDF file (potentially ===
including a subset prefix)
type the font type
emb “yes†if the font is embedded in the PDF file
sub “yes†if the font is a subset
uni “yes†if there is an explicit “ToUnicode†map in the PDF file ===
(the absence of a ToUnicode map doesn’t necessarily mean that ===
the text can’t be converted to Unicode)
User Experiences
Development Activity