filling gradient colour in a cluster for needle movement

[Ronak5]

Hi guys,

I want to fill the gradient color along a car digital speedometer as the needle moves with speed. Something like the 'red' part in image . Could anyone please give some pointers on this design in qt? Thanks!

[Diracsbracket]

@Ronak5
You are overwhelming us with information...

[Ronak5]

@Diracsbracket
Oh, great isn't it?! well I would be glad if with the "overwhelming" info you read there could be a hint. Nevertheless. Thanks.

[Diracsbracket]

@Ronak5
You're very welcome, mate! I'm glad you got my point.

[Ronak5]

@Diracsbracket hahhhahah..nice