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Format

Progressive Graphics File

Summary

Name
Progressive Graphics File
Identifiers
PUID: fmt/1128
Format type
Image (Raster)
Description
Progressive Graphics File (PGF) is a raster image format developed by Christoph Stamm. Please contact the PRONOM team if you are able to provide a more detailed description.
File extensions
pgf
Submitted by
Digital Preservation Department / The National Archives

Internal signatures

Progressive Graphics File

Description
BOF: "PGF", Version = The source code suggests possible versions 2, 5, 6, 7, however samples available from the libpgf SourceForge project site are all version 6. http://libpgf.org/fileadmin/MEDIA/PGF_Details.pdf
Provenance
See also http://www.libpgf.org/libPGF/doc/html_7.15.32/PGFtypes_8h_source.html

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
0
Byte Sequence
504746(02|05|06|07)
Endianness
None

Changelog

  • V93

    Release date
    30 November 2017
    • Added format

      Progressive Graphics File: Full entry added.

    • Added signature

      Progressive Graphics File: Signature developed through PRONOM Research.