# Scrawl-canvas v8 - Filters test 011

## Parameters for: chromakey filter

### Where red represents the background color -
only shows through where pixels have been removed by the filter

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

Transparent at
Opaque at
Reference color
Opacity

#### Test purpose

- Create a test Picture entity
- Create a chromakey 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