Format
X-Windows Screen Dump File
Summary
- Name
- X-Windows Screen Dump File
- Version
- X10
- Identifiers
-
- MIME: image/x-xwindowdump
- PUID: x-fmt/300
- Format type
- Image (Raster)
- Description
- This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.
- Format encoding
- Text
- File extensions
-
xdm,xwd - Submitted by
- Digital Preservation Department / The National Archives
Internal signatures
X-Windows Screen Dump X10
- Description
- Header starts with 4-byte integers: Size (40), Version (6), Type, Planes (typically 1 or 3), Format (0 - single-plane XYFormat, 1 - multi-plane Zformat)
- Provenance
- XWD File Format Summary. Encyclopedia of Graphics File Formats. O’Reilly. www.fileformat.info/format/xwd/egff.htm
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
0000002800000006{4}000000??000000(00|01)- Endianness
- Big-endian
Changelog
-
V58
- Release date
- 21 March 2012
-
Added signature
X-Windows Screen Dump X10: Signature submitted by Georgia Tech Research Institute, USA.
-
Updated
X-Windows Screen Dump File X10: Format name changed for greater accuracy and consistency.