# ImageAttributes user defined functions Reference

Below is a complete list of the user defined functions available in AutoIt. Click on a user defined function name for a detailed description.

When using them you need to add a #include <GDIPlus.au3>.

User Defined Function | Description
--- | ---
_GDIPlus_ImageAttributesCreate | Creates an ImageAttributes object
_GDIPlus_ImageAttributesDispose | Releases an ImageAttributes object
_GDIPlus_ImageAttributesSetColorKeys | Sets or clears the color key (transparency range) for a specified category
_GDIPlus_ImageAttributesSetColorMatrix | Sets or clears the color- and grayscale-adjustment matrices for a specified category
_GDIPlus_ImageAttributesSetRemapTable | Sets or clears the color-remap table for a specified category
_GDIPlus_ImageAttributesSetThreshold | Sets the threshold (transparency range) for a specified category