> For the complete documentation index, see [llms.txt](https://dazhizhong.gitbook.io/pixray-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dazhizhong.gitbook.io/pixray-docs/future/make-image-filter-subclass-colormapper-as-subclass.md).

# make Image Filter subclass - colormapper as subclass