# FlattenerMonoCompression Enum

> Enumeration for setting the compression scheme for the Flattened Monochrome images.

- Product: Adobe PDF Library 21
- Language: Modern C++
- Version: 21.4.0
- HTML page: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/enum/FlattenerMonoCompression
- Version index: https://docs.datalogics.com/apdfl21/ModernCPP/21.4.0/llms.txt

**Namespace:** `datalogics_interface`

## Description

Enumeration for setting the compression scheme for the Flattened Monochrome images.

## Values

- `CCITTGroup3 = 0`: CCITT Group 3 compression for flattened monochrome images.
- `CCITTGroup4 = 1`: CCITT Group 4 compression for flattened monochrome images.
- `ZIP = 2`: ZIP (Flate/Deflate) compression for flattened monochrome images.
- `RunLength = 3`: Run-length encoding compression for flattened monochrome images.