QML Image show bad quality gradient in N9

[Amine27]

Hi,

Trying to use a background image that have a gradient with QML Image element gives a bad quality in the phone, as in the screenshots bellow:

Original: http://db.tt/FGWEzXhn
In the phone: http://db.tt/3SDeDjT3

With both N9 and N950, the code used (with different options and test) :

@Image {
fillMode: Image.PreserveAspectCrop
source: "images/bg.png"
smooth: true
}@

Can anybody help me with this ?