HSI Raw

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File Format
Name HSI Raw
Ontology
Extension(s) .raw, .hst
Released ≤1991

HSI Raw is a simple raster image format associated with the Image Alchemy software from Handmade Software. Images are usually uncompressed, and either 8-bit palette color, or 24-bit truecolor. Other image types, and PackBits compression, are possible, but are not documented.

The Image Alchemy documentation states that "HSI Raw format was originally intended as an internal format to Image Alchemy."

HSI presumably stands for "Handmade Software Inc."

Contents

Notes

HSI Raw is a full-fledged image format, not a raw bitmap format. Note that Image Alchemy also supports raw bitmap formats (which might also use the .raw file extension), in conjunction with its BIF description format.

The .hst file extension is used by Image Alchemy when it generates a (picture of a) histogram of another image.

MPlayer bitmap font format uses an extension of HSI Raw, to support images wider than 65535 pixels. The origin of this extension is unknown.

Identification

Files begin with ASCII "mhwanh".

Related formats

Specifications

Refer to the Image Alchemy documentation, Appendix F.

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