Imposes a poster effect on an image by quantizing the image's colors to a specified number of color levels per plane. For example, two levels mean two of red, two of green, and two of blue.

Produce the image colors to look like posters.
| Framework | Member |
|---|---|
| .NET | PosterizeCommand |
| .NET 6+ | PosterizeCommand |
| iOS / OS X | LTPosterizeCommand |
| Java | PosterizeCommand |
| C DLL | L_PosterizeBitmap |
| C++ Class Library | LBitmap::Posterize |
Imaging Pro, Document, & Medical