ImageGear .NET v25.2 - Updated
DCX
Developer Guide > File Formats and Compressions > File Formats > File Formats Reference > DCX
Full Name Paintbrush (Intel multi-page FAX format)
Format ID ImGearFormats.DCX
File Extension(s) *.dcx
Data Type Raster image
Data Encoding Binary
Multi-Page Support Yes
Alpha Channel Support No
Metadata Update Support No
ImageGear Platforms Support WIN32, WIN64, Unix, Unix64, .NET, .NET64, MAC

ImageGear Supported Versions

N/A

ImageGear Supported Features

ImageGear Read Support

ImageGear Write Support

ImageGear Filter Control Parameters

None

Comments

This file format was designed to allow multiple PCX files to be stored in one file. This is especially desirable for multi-page faxes (for which the PCX format is often used). Up to 1024 PCX images can be stored in one DCX file.

The DCX construct begins with a simple header, then the PCX files are simply stored end-to-end, complete with their individual headers and palettes. An array in the header called "Pagetable" contains offsets to each PCX. The one piece of vital information not stored with the PCX files under a DCX is their original filenames. See the PCX section of this manual for more about PCX files.

References Used

Murray, James D. and William vanRyper. Encyclopedia of Graphics File Formats. Sebastopol, CA: O'Reilly & Associates, Inc., 1994.

 

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