# Scrawl-canvas v8 - Filters test 103

## A gallery of compound filter effects

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

Effect: blotchy newsprint with color

Effect: jagged transluscent blocks

Effect: brass rubbing

Effect: blueprint

Effect: comic

Effect: square quilt

Effect: raised tiles

Effect: blotchy color

Effect: watermarks

Effect: animated rainbow rays

Effect: grayscale CRT monitor

Effect: color CRT monitor

#### Test purpose

- Create a suite of canvases, each to hold a different filter effect
- Check that each filter applies to the image, as expected
- Check that dragging an image file over any canvas leads to that image loading in all canvases, and that the filters apply to the new image

Known issue - runs very slowly in Webkit browsers

Touch test: not required

Annotated code