# Scrawl-canvas v8 - Filters test 004

## Parameters for: threshold filter

### To change image, drag-and-drop an image file over the canvas

Low color
High color
Use mixed channel
Level
Red level
Green level
Blue level
Alpha level
Include red
Include green
Include blue
Include alpha
Opacity

#### Test purpose

- Create a test Picture entity
- Create a threshold filter and apply it to the test entity
- Update filter attributes and observe the effect they have on the entity

Touch test: not required

Annotated code