Dr. Halo CUT
Dr. Halo was a line of raster image editing software for MS-DOS. It has a well-known device-independent .CUT image format, which uses RLE compression (in a way which is similar to, but not the same as, PackBits). CUT files are sometimes accompanied by .PAL palette files.
There is also a device-dependent .PIC image format. We have not located any details about PIC format.
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Format details
All CUT images have exactly 8 bits per pixel, but all 8 bits might not be used. It is common for the only color codes used by an image to be 0 and 1.
It is not clear what to do if no palette file is present. Interpreting the image as grayscale, with black=0, seems to be standard practice. But different viewers use different logic for guessing the code that should be interpreted as white.
Software
- ImageMagick (format named "CUT"; read only)
- Konvertor (read only)
- XnView (read only)
- Farbfeld Utilities (read/write)
- Tom's Editor
- Tom's Viewer
- Dr. Halo (read/write)
- Dr. Halo III - Floppy disk images from archive.org
- Dr. Halo Plus 3.00 (German) - Floppy disk images from archive.org
- Possibly relevant: drhalo.unp
Sample files
- http://cd.textfiles.com/fantaziasampler/CLIPART/CUT/
- http://cd.textfiles.com/gameempire/SOFT/NEW/PRO7/
- http://cd.textfiles.com/librisbritannia/GRAPHICS/CLIPDRHA/ ...
- 1169.ZIP - PIC format
- https://telparia.com/fileFormatSamples/image/drHalo/
