| 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
- IGFilterFormatFlags.DETECTSUPPORT - autodetect
- IGFilterFormatFlags.PAGEREADSUPPORT - single page file reading
- IGFilterFormatFlags.PAGEINSERTSUPPORT - single-page file writing
ImageGear Read Support
- ImGearCompressions.CCITT_G3 - Indexed RGB: 1 bpp
- ImGearCompressions.CCITT_G32D - Indexed RGB: 1 bpp
ImageGear Write Support
- ImGearCompressions.CCITT_G3 - Indexed RGB: 1 bpp
- ImGearCompressions.CCITT_G32D - Indexed RGB: 1 bpp
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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.
