PictureEffects Xojo Plugin |

# ImageComparer.Mask Property

Sets mask for the operation.

Mask as Picture {Read and Write}

#### Remarks

If mask is set then only pixels within the mask are compared.
The mask picture must be a 32 bit picture and must be same size as the src picture. If the mask picture is not 32 bits and same size as the src picture then the function will fail and leave the result picture unchanged.

#### See Also

ImageComparer Class