GEM VDI Metafile
From Just Solve the File Format Problem
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== Identification == | == Identification == | ||
− | Files begin with bytes | + | Files begin with bytes {{magic|0xFF 0xFF}}. |
Following that is a two-byte integer reflecting the header size. It may use either big-endian or little-endian byte order. Likely values are <code>0x0018</code>, <code>0x000E</code>, and maybe <code>0x000F</code>. | Following that is a two-byte integer reflecting the header size. It may use either big-endian or little-endian byte order. Likely values are <code>0x0018</code>, <code>0x000E</code>, and maybe <code>0x000F</code>. | ||
Line 15: | Line 15: | ||
== Specifications == | == Specifications == | ||
* http://www.fileformat.info/format/gemvector/spec/index.htm | * http://www.fileformat.info/format/gemvector/spec/index.htm | ||
− | * [ | + | * [https://archive.org/details/bitsavers_digitalResToolkit50472023101GEMProgrammersGuideVol_6900688 GEM Programmer's Guide Vol. 1], Appendix C |
* [http://bitsavers.informatik.uni-stuttgart.de/pdf/digitalResearch/gem/Programmers_Toolkit/5074-2023_GEM_Virtual_Device_Interface_Reference_Guide_2.0_Jun86.pdf GEM VDI Reference Guide (v2.0)], Appendix B | * [http://bitsavers.informatik.uni-stuttgart.de/pdf/digitalResearch/gem/Programmers_Toolkit/5074-2023_GEM_Virtual_Device_Interface_Reference_Guide_2.0_Jun86.pdf GEM VDI Reference Guide (v2.0)], Appendix B | ||
== Sample files == | == Sample files == | ||
− | * | + | * {{CdTextfilesURL|bthevhell/300/234/}} |
* http://www.page6.org/st_lib/standard/st0393.php | * http://www.page6.org/st_lib/standard/st0393.php | ||
− | * | + | * {{CdTextfilesURL|somuch/smsharew/CLIPART/GEMART2.ZIP}} |
+ | * {{DexvertSamples|image/gemMetafile}} | ||
== See also == | == See also == | ||
* [[GEM Raster]] | * [[GEM Raster]] | ||
+ | * [[Ventura Publisher]] | ||
== Links == | == Links == | ||
* {{EGFF|gemvector|GEM VDI File Format Summary}}, from the [[Encyclopedia of Graphics File Formats]] | * {{EGFF|gemvector|GEM VDI File Format Summary}}, from the [[Encyclopedia of Graphics File Formats]] | ||
* [[Wikipedia:Graphical Environment Manager|Wikipedia: GEM]] | * [[Wikipedia:Graphical Environment Manager|Wikipedia: GEM]] | ||
+ | |||
+ | [[Category:Atari graphics formats]] |
Latest revision as of 02:57, 28 December 2023
GEM VDI Metafile (also called GEM Metafile, GEM Vector, or GEM VDI) is a vector graphics metafile format associated with the GEM operating environment by Digital Research.
Contents |
[edit] Identification
Files begin with bytes 0xFF 0xFF
.
Following that is a two-byte integer reflecting the header size. It may use either big-endian or little-endian byte order. Likely values are 0x0018
, 0x000E
, and maybe 0x000F
.
[edit] Specifications
- http://www.fileformat.info/format/gemvector/spec/index.htm
- GEM Programmer's Guide Vol. 1, Appendix C
- GEM VDI Reference Guide (v2.0), Appendix B
[edit] Sample files
- http://cd.textfiles.com/bthevhell/300/234/
- http://www.page6.org/st_lib/standard/st0393.php
- http://cd.textfiles.com/somuch/smsharew/CLIPART/GEMART2.ZIP
- dexvert samples — image/gemMetafile