Segmented Hypergraphics

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* Some examples found on the web: [http://www.ticalc.org/archives/files/fileinfo/137/13715.html], [http://www.lugaru.com/ftp/misc/manrtf9.zip], [http://axp1.nbpfaus.net/freeware/4/wxwindows/utils/tex2rtf/docs/], [http://web.mit.edu/Ghudson/dev/99/third/openafs/src/WINNT/win9xpanel/Help/]
 
* Some examples found on the web: [http://www.ticalc.org/archives/files/fileinfo/137/13715.html], [http://www.lugaru.com/ftp/misc/manrtf9.zip], [http://axp1.nbpfaus.net/freeware/4/wxwindows/utils/tex2rtf/docs/], [http://web.mit.edu/Ghudson/dev/99/third/openafs/src/WINNT/win9xpanel/Help/]
 
* SHG/MRB files are embedded in countless [[HLP (WinHelp)#Sample files|HLP]] files.
 
* SHG/MRB files are embedded in countless [[HLP (WinHelp)#Sample files|HLP]] files.
* https://telparia.com/fileFormatSamples/image/shg/
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* {{DexvertSamples|image/shg}}
* https://telparia.com/fileFormatSamples/image/multipleResolutionBitmap/
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* {{DexvertSamples|image/multipleResolutionBitmap}}
  
 
== Links ==
 
== Links ==

Latest revision as of 04:43, 28 December 2023

File Format
Name Segmented Hypergraphics
Ontology
Extension(s) .shg, .mrb

Segmented Hypergraphics (SHG), and its alter-ego Multiple Resolution Bitmap (MRB), are graphics formats used almost exclusively in the development of HLP (WinHelp) files. An SHG/MRB file contains one or more images in a BMP-like format, or WMF format. It also contains information about regions of the images that should be treated as hyperlinks.

Loosely speaking, SHG files are supposed to contain a single image, while MRB files contain more than one image. In practice, neither the file extension nor the file signature can be relied upon to be consistent with the image count, so the definition of SHG vs. MRB may be a matter of opinion.

Contents

[edit] Identification

SHG/MRB files begin with 6c 50 or 6c 70.

[edit] Specifications

[edit] Software

  • helpdeco → splitmrb [Ed. note: The splitmrb (v1.5) utility is in disrepair, and is unlikely to work correctly if built with a modern compiler.]
  • Deark
  • Konvertor

See also HLP (WinHelp)#Software. (Open source WinHelp software can presumably decode SHG/MRB in some way, though it may not expose that functionality to the user.)

[edit] Sample files

[edit] Links

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