File Format | |
---|---|
Name | Windows DDB |
Ontology |
|
Extension(s) | .ddb , .bmp |
PRONOM | fmt/114 |
Released | 1985 |
About DD Files. Koea charger 60w compatible for mac. Our goal is to help you understand what a file with a.dd suffix is and how to open it. The DiskDoubler Archive file type, file format description, and Mac and Windows programs listed on this page have been individually researched and verified by the FileInfo team.
Windows DDB (Device-Dependent Bitmap), or Windows BMP v1, is a graphics format associated with Microsoft Windows 1.0. It has only a little in common with the BMP formats that succeeded it.
- What is a DDB file? The file extension indicates to your device which program can open the file. However, often different programs will use the same file extension for different types of data. For DDB files, we are aware of 2 uses, which you can read more about below.
- DDB uses ACT! Sales Data File by default, but it is also compatible with DProfiler Cost Database, and ProWORX Nxt Descriptor Data. If you have ACT! Sales Data File, DProfiler Cost Database, or ProWORX Nxt Descriptor Data installed, try make make one of these software packages your default file association for the DDB file type extension.
This article covers both a particular file format, and the BITMAP structure on which it is based (which may be embedded in other formats).
BITMAP structure
Originally named BITMAP, the structure is often called BITMAP16, to distinguish it from the versions of BITMAP associated with later operating systems.
The structure is 14 bytes in size, with the last 4 bytes ('bmBits') being a memory pointer to the bitmap pixels.
![Ddb Ddb](https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Dangerous_Drugs_Board_%28DDB%29.svg/1034px-Dangerous_Drugs_Board_%28DDB%29.svg.png)
In a file on disk, the bmBits field is usually not used (it's not clear whether some formats omit it entirely). The pixel data usually immediately follows.
BITMAP16:
Offset | Type | Meaning |
---|---|---|
0x0000 | WORD | bmType |
0x0002 | WORD | bmWidth: Width in pixels |
0x0004 | WORD | bmHeight: Height in pixels |
0x0006 | WORD | bmWidthBytes: Width of a line in bytes |
0x0008 | BYTE | bmPlanes: Number of planes in bitmap |
0x0009 | BYTE | bmBitsPixel: Number of bits per pixel |
0x00A0 | DWORD | bmBits: Pointer to pixels |
Other formats that can contain this structure include HLP (via SHG), WRI, WMF, and resources in EXE/NE files of that era.
DDB file format
Bitmap files in this format can be found in the Windows 2 DDK.
Odb File Type
This format is not the format saved by Windows 1.0 Paint. It is generated by ICONEDIT, the Windows 1.x icon / cursor / bitmap editor.
Files begin with a 16-byte header, the last 14 bytes of which correspond to the BITMAP structure: Beyond compare 4 license key.
Offset | Type | Meaning |
---|---|---|
0x0000 | WORD | File type: 0x0002, RT_BITMAP. Top bit set if discardable. |
0x0002 | BITMAP16 | Refer to BITMAP16, above. bmType: Always 0x0000 for main memory bitmap bmBits: Always zero in disk file |
Brice taylor starshine pdf. This is followed by the bitmap, in top-to-bottom order, with bmWidthBytes bytes per line.
Specifications
Odb File Abaqus
- BITMAP16:
- Refer to the WMF specification, 'Bitmap16' structure
Odb Files Altium
Software
- The MSWrite decoder from libwps appears to have source code for reading embedded DDB objects.
Links
- Microsoft Windows Bitmap File Format Summary, from the Encyclopedia of Graphics File Formats
Ddb File Extension
Retrieved from 'http://fileformats.archiveteam.org/index.php?title=Windows_DDB&oldid=32138'