# FlattenerGrayCompression Enum

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

- Product: Adobe PDF Library 21
- Language: Java
- Version: APDFL21.0.0PlusP1f
- HTML page: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1f/enum/FlattenerGrayCompression
- Version index: https://docs.datalogics.com/apdfl21/Java/APDFL21.0.0PlusP1f/llms.txt

**Namespace:** `com::datalogics::PDFL`

## Description

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

## Values

- `GRAY_JPEG_2000_COMPRESSION`: Use JPEG2000 compression for flattened grayscale images.
- `GRAY_JPEGCOMPRESSION`: Use JPEG compression for flattened grayscale images.
- `GRAY_ZIPCOMPRESSION`: Use ZIP (Flate/Deflate) compression for flattened grayscale images.