TIFF CCITT and Other FAX Formats

LEADTOOLS supports reading and writing of the following 1-bit formats that are commonly used in FAX transmissions:

TIFF

For more information refer to Tagged Image File Format (TIFF / BigTIFF).

CALS

CALS Raster (Type 1, 2, 3, and 4). These are CCITT Group 4 CALS raster files. CALS is a United States government standard. CALS3 are multipage files.

The file constants associated with this file format are:

Constant Read Support Write Support Description
FILE_CALS 1 BPP 1 BPP [50] CALS Raster file.
FILE_CALS2 1 BPP 1 BPP [130] CALS CCITT G4 compressed.
FILE_CALS3 1 BPP 1 BPP [131] CALS Fax Group 4 compressed.
FILE_CALS4 1 BPP 1 BPP [129] CALS CCITT G4 Tiled.

IOCA

IOCA (ICA). This is the Image Object Content Architecture developed by IBM. LEADTOOLS supports these files in a MO:DCA wrapper with embedded 1-bit CCITT Group 3 or Group 4 images. LEADTOOLS also supports IOCA files without a MO:DCA wrapper.

For more information refer to Image Object Content Architecture Format (IOCA/MODCA).

WinFax

The file constants associated with this file format are:

Constant Read Support Write Support Description
FILE_WFX_G3_1D 1 BPP 1 BPP [69] Winfax, compressed using CCITT group 3, 1 dimension
FILE_WFX_G4 1 BPP 1 BPP [70] Winfax, compressed using CCITT group 4.

Raw FAX

The file constants associated with this file format are:

Constant Read Support Write Support Description
FILE_FAX_G3_1D 1 BPP 1 BPP [66] Raw FAX, compressed using CCITT group 3, 1 dimension.
FILE_FAX_G3_1D_NOEOL 1 BPP 1 BPP [162] Raw FAX, compressed using CCITT group 3, 1 dimension.with no EOL.
FILE_FAX_G3_2D 1 BPP 1 BPP [67] Raw FAX, compressed using CCITT group 3, 2 dimensions.
FILE_FAX_G4 1 BPP 1 BPP [68] Raw FAX, compressed using CCITT group 4.

TIFF-FX

The default extensions used by this format is: TIFX, TIFF.

This file format does support multipage files.

The file constants associated with this file format are:

Constant Read Support Write Support Description
FILE_TIFX_JBIG 1 BPP 1 BPP [269] TIFF-FX format. JBIG compressed. Supported in Document and Medical Imaging toolkits.
FILE_TIFX_JBIG_T43 3 BPP 3 BPP [270] TIFF-FX format. JBIG compressed. Supported in Document and Medical Imaging toolkits.
FILE_TIFX_JBIG_T43_ITULAB 8 BPP 8 BPP [271] TIFF-FX format. JBIG compressed. Supported in Document and Medical Imaging toolkits.
FILE_TIFX_FAX_G4 1 BPP 1 BPP [273] TIFF-FX format, compressed using CCITT group 4.
FILE_TIFX_FAX_G3_1D 1 BPP 1 BPP [274] TIFF-FX format, compressed using CCITT group 3, 1 dimension.
FILE_TIFX_FAX_G3_2D 1 BPP 1 BPP [275] TIFF-FX format, compressed using CCITT group 3, 2 dimensions.
FILE_TIFX_JPEG 8 BPP (Grayscale), 24 BPP 8 BPP (Grayscale), 24 BPP [276] TIFF-FX format. JPEG compressed.

LaserView LaserData

LaserView LaserData. The LaserData file format is a legacy Group 4 compressed FAX format.

The file constants associated with this file format are:

Constant Read Support Write Support Description
FILE_LASERDATA 1 BPP None [121] LaserData CCITT G4

Required DLLs and Libraries

Related Formats

Platforms

Win32, x64.

NOTES:

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