ImageGear for .NET
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ImageGear for .NET User Guide > ImageGear Imaging Formats Reference > ImageGear Supported File Formats Reference > BTR

Glossary Item Box

Full Name Brooktrout
Format ID ImGearFormats.BRK
File Extension(s) *.brk, *.301,
Data Type Raster image
Data Encoding Binary
IG Multipage Support No
IG Alpha Channel Support No
IG Metadata Update Support No
IG Platforms Support WIN32, WIN64, Unix, Unix64, MAC, .NET, .NET64, Silverlight

ImageGear Supported Versions

Version 1

ImageGear Supported Features

ImageGear Read Support

ImageGear Write Support

When saving an image, the image must have horizontal resolution of 200 DPI and vertical resolution of 100 or 200 DPI.

ImageGear Filter Control Parameters

None

Comments

A Brooktrout file consists of a CCITT Group 3 (G3) compressed file with a 128-byte header designed by Brooktrout Technology. The header fields include a constant that identifies the file as Brooktrout, a version number, the horizontal and vertical resolutions of the image in dots/mm, the number of bits per pixel, and the number of pixels per line.

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