Failed to execute 'getImageData' on 'CanvasRenderingContext2D'

[Kamez]

Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data.

[AllenZho]

same here!

[readyyyk]

Solved it with the next steps:

1. Copy code from https://cdnjs.cloudflare.com/ajax/libs/qartjs/1.0.2/qart.js to local file
2. Goto line 109 var coverImage = new Image();
3. Insert the following line: coverImage.crossOrigin = "anonymous";