When I scale an image (by modifying the matrix in the parent scene(normal Item)), I only get an image with moiré

[0ices]

original image↑

what I get in qml

what I want to get

I have tried layout's smooth and mipmap but can not achieve the effect, and the difference between nearest and linear does not help at all.

[Drooke]

@0ices try using sourceSize.width and sourceSize.height for this image. It will render the image at the correct size rather than guess what each pixel should show.