LEADTOOLS Mixed Raster Content (MRC)

The Mixed Raster Content format was defined for use of color and grayscale fax. LEADTOOLS offers the LEADTOOLS MRC (Mixed Raster Content) format. The LEADTOOLS Mixed Raster Content enables most different coding methods and a lot of resolutions (such as one bit, two bit, grayscale, and pictures) to be used within a single page by defining a 3-layer image model for structuring and combining the scanned image data.

The image is segmented and each segment assigned a type based on the number of colors used in that segment. Segments can be combined and compressed using different compression schemes to create a file that balances quality with compression.

The default extension used by this format is: MRC. 

LEADTOOLS supports Load and save for this format. 

Keys that must be unlocked to enable this format support:


Multi-page is supported through TIFF format. 

File constants associated with this file format are:


Read Support

Write Support



24 BPP

N/A (see note below)

[314] LEAD Mixed Raster Content.

NOTE: MRC is made up of different segments, which can be of various BitsPerPixel.  When you request file information on an MRC file, it will be reported as 24-bit.  When you save MRC files, various segments will be saved with different BitsPerPixel, based on the content.

Required DLL: LTSGM. For a listing of the exact DLLs needed, based on the toolkit version, refer to Files To Be Included With Your Application.

Related Formats: MRC Format, TIFF / BigTIFF - Tagged Image File Format, LEAD PDF MRC format

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