OS/2 bitmap family
From Just Solve the File Format Problem
IBM OS/2 BMP (also known as Presentation Manager Bitmap or PM Bitmap) is a family of image formats that is closely related to the Windows BMP formats.
Contents |
Versions
OS/2 BMP 1.0
- PRONOM: fmt/115
Version 1.0 is identical to Windows BMP v2.
OS/2 BMP 2.0
- PRONOM: fmt/x-270
The first two bytes of the file are a signature indicating the file's image type.
| Signature | Image type | Notes |
|---|---|---|
| "BA" | Bitmap Array | May use .bga filename extension. |
| "BM" | Bitmap | See BMP for more about this type. |
| "CI" | Color Icon | |
| "CP" | Color Pointer | |
| "IC" | Icon | |
| "PT" | Pointer |
Sample files
- money-2-(os2).bmp, money-16-(os2).bmp, money-256-(os2).bmp, money-24bit-os2.bmp (OS/2 BMP 1.0)
- test4os2v2.bmp (OS/2 BMP 2.0 "BM")
- Mjfolder.bmp (OS/2 BMP 2.0 "BA")
Resources
- OS/2 Presentation Manager Programming Reference Guide, Vol III
- OS/2 Bitmap File Format Summary, from the Encyclopedia of Graphics File Formats
- Wikipedia page on the BMP file format has some info related to OS/2
